]> git.openfabrics.org - ~shefty/rdma-dev.git/commitdiff
Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty...
authorLinus Torvalds <torvalds@linux-foundation.org>
Fri, 9 Nov 2012 05:47:55 +0000 (06:47 +0100)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 9 Nov 2012 05:47:55 +0000 (06:47 +0100)
Pull virtio and module fixes from Rusty Russell:
 "YA module signing build tweak, and two cc'd to stable."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  virtio: Don't access index after unregister.
  modules: don't break modules_install on external modules with no key.
  module: fix out-by-one error in kallsyms

206 files changed:
Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt [new file with mode: 0644]
Documentation/hwmon/fam15h_power
MAINTAINERS
Makefile
arch/arm/include/asm/io.h
arch/arm/include/asm/sched_clock.h
arch/arm/include/asm/vfpmacros.h
arch/arm/include/uapi/asm/hwcap.h
arch/arm/kernel/sched_clock.c
arch/arm/mm/alignment.c
arch/arm/vfp/vfpmodule.c
arch/arm/xen/hypercall.S
arch/frv/Kconfig
arch/frv/boot/Makefile
arch/frv/include/asm/unistd.h
arch/frv/kernel/entry.S
arch/frv/kernel/process.c
arch/frv/mb93090-mb00/pci-dma-nommu.c
arch/x86/include/asm/xen/hypervisor.h
arch/x86/kvm/x86.c
arch/x86/xen/mmu.c
arch/xtensa/Kconfig
arch/xtensa/include/asm/io.h
arch/xtensa/include/asm/processor.h
arch/xtensa/include/asm/syscall.h
arch/xtensa/include/asm/unistd.h
arch/xtensa/include/uapi/asm/unistd.h
arch/xtensa/kernel/entry.S
arch/xtensa/kernel/process.c
arch/xtensa/kernel/syscall.c
arch/xtensa/kernel/xtensa_ksyms.c
drivers/acpi/video.c
drivers/cpufreq/powernow-k8.c
drivers/gpu/drm/drm_fops.c
drivers/gpu/drm/exynos/Kconfig
drivers/gpu/drm/exynos/exynos_drm_connector.c
drivers/gpu/drm/exynos/exynos_drm_encoder.c
drivers/gpu/drm/exynos/exynos_mixer.c
drivers/gpu/drm/i915/i915_dma.c
drivers/gpu/drm/i915/intel_crt.c
drivers/gpu/drm/i915/intel_overlay.c
drivers/gpu/drm/i915/intel_panel.c
drivers/gpu/drm/i915/intel_sdvo.c
drivers/gpu/drm/i915/intel_sdvo_regs.h
drivers/gpu/drm/nouveau/core/core/mm.c
drivers/gpu/drm/nouveau/core/include/core/mm.h
drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c
drivers/gpu/drm/nouveau/core/subdev/i2c/base.c
drivers/gpu/drm/nouveau/nouveau_display.c
drivers/gpu/drm/nouveau/nouveau_drm.c
drivers/gpu/drm/nouveau/nouveau_drm.h
drivers/gpu/drm/nouveau/nouveau_irq.c
drivers/gpu/drm/nouveau/nv04_dac.c
drivers/gpu/drm/nouveau/nv04_dfp.c
drivers/gpu/drm/nouveau/nv04_tv.c
drivers/gpu/drm/radeon/evergreen.c
drivers/gpu/drm/radeon/evergreen_cs.c
drivers/gpu/drm/radeon/radeon_atpx_handler.c
drivers/gpu/drm/radeon/radeon_connectors.c
drivers/gpu/drm/radeon/radeon_legacy_crtc.c
drivers/gpu/drm/radeon/radeon_legacy_encoders.c
drivers/gpu/drm/udl/udl_drv.h
drivers/gpu/drm/udl/udl_fb.c
drivers/gpu/drm/udl/udl_transfer.c
drivers/hid/hid-apple.c
drivers/hid/hid-core.c
drivers/hid/hid-ids.h
drivers/hid/hid-microsoft.c
drivers/hid/hid-multitouch.c
drivers/hwmon/asb100.c
drivers/hwmon/fam15h_power.c
drivers/hwmon/gpio-fan.c
drivers/hwmon/w83627ehf.c
drivers/hwmon/w83627hf.c
drivers/hwmon/w83781d.c
drivers/hwmon/w83791d.c
drivers/hwmon/w83792d.c
drivers/hwmon/w83l786ng.c
drivers/i2c/busses/i2c-mxs.c
drivers/i2c/busses/i2c-nomadik.c
drivers/i2c/busses/i2c-tegra.c
drivers/input/keyboard/Kconfig
drivers/input/keyboard/pxa27x_keypad.c
drivers/input/misc/xen-kbdfront.c
drivers/input/mouse/bcm5974.c
drivers/input/tablet/wacom_sys.c
drivers/input/tablet/wacom_wac.c
drivers/input/touchscreen/Kconfig
drivers/input/touchscreen/egalax_ts.c
drivers/input/touchscreen/tsc40.c
drivers/md/faulty.c
drivers/md/raid1.c
drivers/md/raid10.c
drivers/net/bonding/bond_sysfs.c
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
drivers/net/ethernet/nxp/lpc_eth.c
drivers/net/phy/mdio-bitbang.c
drivers/net/vmxnet3/vmxnet3_drv.c
drivers/net/vxlan.c
drivers/net/wireless/ath/ath9k/xmit.c
drivers/net/wireless/rt2x00/rt2800lib.c
drivers/scsi/qla2xxx/qla_mid.c
drivers/scsi/qla2xxx/qla_target.c
drivers/scsi/qla2xxx/qla_target.h
drivers/scsi/qla2xxx/tcm_qla2xxx.c
drivers/scsi/qla2xxx/tcm_qla2xxx.h
drivers/target/iscsi/iscsi_target.c
drivers/target/iscsi/iscsi_target_core.h
drivers/target/iscsi/iscsi_target_login.c
drivers/target/iscsi/iscsi_target_util.c
drivers/target/iscsi/iscsi_target_util.h
drivers/target/target_core_configfs.c
drivers/target/target_core_device.c
drivers/target/target_core_sbc.c
drivers/target/target_core_spc.c
drivers/target/target_core_tmr.c
drivers/target/target_core_transport.c
drivers/thermal/exynos_thermal.c
drivers/thermal/rcar_thermal.c
drivers/video/xen-fbfront.c
drivers/xen/gntdev.c
drivers/xen/xenbus/xenbus_dev_frontend.c
fs/file.c
fs/gfs2/file.c
fs/gfs2/lops.c
fs/gfs2/quota.c
fs/gfs2/rgrp.c
fs/gfs2/super.c
fs/gfs2/trans.c
fs/nfs/dns_resolve.c
fs/nfs/inode.c
fs/nfs/internal.h
fs/nfs/mount_clnt.c
fs/nfs/namespace.c
fs/nfs/nfs4namespace.c
fs/nfs/nfs4proc.c
fs/nfs/pnfs.c
fs/nfs/super.c
fs/nfs/unlink.c
fs/xfs/xfs_alloc.c
fs/xfs/xfs_alloc.h
fs/xfs/xfs_alloc_btree.c
fs/xfs/xfs_bmap.c
fs/xfs/xfs_bmap.h
fs/xfs/xfs_buf_item.c
fs/xfs/xfs_fsops.c
fs/xfs/xfs_ialloc.c
fs/xfs/xfs_inode.c
fs/xfs/xfs_ioctl.c
fs/xfs/xfs_iomap.c
fs/xfs/xfs_log.c
fs/xfs/xfs_log_recover.c
include/linux/hashtable.h [new file with mode: 0644]
include/linux/kvm_host.h
include/linux/raid/Kbuild
include/linux/raid/md_p.h [deleted file]
include/linux/raid/md_u.h
include/net/cfg80211.h
include/sound/core.h
include/trace/events/xen.h
include/uapi/linux/raid/Kbuild
include/uapi/linux/raid/md_p.h [new file with mode: 0644]
include/uapi/linux/raid/md_u.h [new file with mode: 0644]
init/main.c
net/ipv4/netfilter/iptable_nat.c
net/ipv4/tcp_illinois.c
net/ipv4/tcp_input.c
net/ipv4/tcp_metrics.c
net/ipv6/netfilter/ip6table_nat.c
net/ipv6/netfilter/nf_conntrack_reasm.c
net/l2tp/l2tp_eth.c
net/mac80211/ibss.c
net/mac80211/rx.c
net/mac80211/util.c
net/netfilter/nf_conntrack_h323_main.c
net/sctp/socket.c
net/sunrpc/backchannel_rqst.c
net/wireless/core.c
net/wireless/reg.c
net/wireless/util.c
sound/core/compress_offload.c
sound/core/control.c
sound/core/hwdep.c
sound/core/init.c
sound/core/oss/mixer_oss.c
sound/core/oss/pcm_oss.c
sound/core/pcm.c
sound/core/pcm_native.c
sound/core/rawmidi.c
sound/core/sound.c
sound/core/sound_oss.c
sound/pci/hda/patch_sigmatel.c
sound/pci/ice1712/ice1724.c
sound/soc/omap/omap-dmic.c
sound/soc/omap/zoom2.c
sound/usb/card.c
sound/usb/card.h
sound/usb/mixer.c
sound/usb/mixer_quirks.c
sound/usb/pcm.c
sound/usb/proc.c
sound/usb/stream.c
sound/usb/usbaudio.h

diff --git a/Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt b/Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt
new file mode 100644 (file)
index 0000000..df70318
--- /dev/null
@@ -0,0 +1,19 @@
+* EETI eGalax Multiple Touch Controller
+
+Required properties:
+- compatible: must be "eeti,egalax_ts"
+- reg: i2c slave address
+- interrupt-parent: the phandle for the interrupt controller
+- interrupts: touch controller interrupt
+- wakeup-gpios: the gpio pin to be used for waking up the controller
+  as well as uased as irq pin
+
+Example:
+
+       egalax_ts@04 {
+               compatible = "eeti,egalax_ts";
+               reg = <0x04>;
+               interrupt-parent = <&gpio1>;
+               interrupts = <9 2>;
+               wakeup-gpios = <&gpio1 9 0>;
+       };
index a92918e0bd6946f760af42cd984a28ee0e2db642..80654813d04afdf1e76d8388c8c51a1fb31ae825 100644 (file)
@@ -10,7 +10,7 @@ Supported chips:
   BIOS and Kernel Developer's Guide (BKDG) For AMD Family 15h Processors
     (not yet published)
 
-Author: Andreas Herrmann <andreas.herrmann3@amd.com>
+Author: Andreas Herrmann <herrmann.der.user@googlemail.com>
 
 Description
 -----------
index cb7d1a42f2cd817bba6f4ee4a407859754bbc999..59203e77ce9ef8f1a5639e2cad19a006b4e59696 100644 (file)
@@ -503,7 +503,7 @@ F:  include/linux/altera_uart.h
 F:     include/linux/altera_jtaguart.h
 
 AMD FAM15H PROCESSOR POWER MONITORING DRIVER
-M:     Andreas Herrmann <andreas.herrmann3@amd.com>
+M:     Andreas Herrmann <herrmann.der.user@googlemail.com>
 L:     lm-sensors@lm-sensors.org
 S:     Maintained
 F:     Documentation/hwmon/fam15h_power
@@ -2507,6 +2507,7 @@ M:        Joonyoung Shim <jy0922.shim@samsung.com>
 M:     Seung-Woo Kim <sw0312.kim@samsung.com>
 M:     Kyungmin Park <kyungmin.park@samsung.com>
 L:     dri-devel@lists.freedesktop.org
+T:     git git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git
 S:     Supported
 F:     drivers/gpu/drm/exynos
 F:     include/drm/exynos*
index 42d0e56818ea8d5f9f7b713ca6b1ba7436dbf8b4..a1ccf225c4e95be738bdd6e2b39b01563502b82e 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 7
 SUBLEVEL = 0
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc4
 NAME = Terrified Chipmunk
 
 # *DOCUMENTATION*
index 35c1ed89b93652688dc99ede919b55b0d5051b1d..42f042ee4ada2563aac52e7449c062011042839c 100644 (file)
@@ -64,7 +64,7 @@ extern void __raw_readsl(const void __iomem *addr, void *data, int longlen);
 static inline void __raw_writew(u16 val, volatile void __iomem *addr)
 {
        asm volatile("strh %1, %0"
-                    : "+Qo" (*(volatile u16 __force *)addr)
+                    : "+Q" (*(volatile u16 __force *)addr)
                     : "r" (val));
 }
 
@@ -72,7 +72,7 @@ static inline u16 __raw_readw(const volatile void __iomem *addr)
 {
        u16 val;
        asm volatile("ldrh %1, %0"
-                    : "+Qo" (*(volatile u16 __force *)addr),
+                    : "+Q" (*(volatile u16 __force *)addr),
                       "=r" (val));
        return val;
 }
index 05b8e82ec9f5b66744305de1094df1115fc92798..e3f7572634381bd28fbf3225eb375788431ee3fc 100644 (file)
@@ -10,7 +10,5 @@
 
 extern void sched_clock_postinit(void);
 extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate);
-extern void setup_sched_clock_needs_suspend(u32 (*read)(void), int bits,
-               unsigned long rate);
 
 #endif
index 6a6f1e485f41a2b9402534c435b79c183cb5cdb2..301c1db3e99b13e95a6e8882013e7c518b6011c7 100644 (file)
@@ -27,9 +27,9 @@
 #if __LINUX_ARM_ARCH__ <= 6
        ldr     \tmp, =elf_hwcap                    @ may not have MVFR regs
        ldr     \tmp, [\tmp, #0]
-       tst     \tmp, #HWCAP_VFPv3D16
-       ldceql  p11, cr0, [\base],#32*4             @ FLDMIAD \base!, {d16-d31}
-       addne   \base, \base, #32*4                 @ step over unused register space
+       tst     \tmp, #HWCAP_VFPD32
+       ldcnel  p11, cr0, [\base],#32*4             @ FLDMIAD \base!, {d16-d31}
+       addeq   \base, \base, #32*4                 @ step over unused register space
 #else
        VFPFMRX \tmp, MVFR0                         @ Media and VFP Feature Register 0
        and     \tmp, \tmp, #MVFR0_A_SIMD_MASK      @ A_SIMD field
@@ -51,9 +51,9 @@
 #if __LINUX_ARM_ARCH__ <= 6
        ldr     \tmp, =elf_hwcap                    @ may not have MVFR regs
        ldr     \tmp, [\tmp, #0]
-       tst     \tmp, #HWCAP_VFPv3D16
-       stceql  p11, cr0, [\base],#32*4             @ FSTMIAD \base!, {d16-d31}
-       addne   \base, \base, #32*4                 @ step over unused register space
+       tst     \tmp, #HWCAP_VFPD32
+       stcnel  p11, cr0, [\base],#32*4             @ FSTMIAD \base!, {d16-d31}
+       addeq   \base, \base, #32*4                 @ step over unused register space
 #else
        VFPFMRX \tmp, MVFR0                         @ Media and VFP Feature Register 0
        and     \tmp, \tmp, #MVFR0_A_SIMD_MASK      @ A_SIMD field
index f254f6503cce7df8aedc3104db344417913d44c1..3688fd15a32dd5a5e5f81aef148cf397022fc2d7 100644 (file)
 #define HWCAP_THUMBEE  (1 << 11)
 #define HWCAP_NEON     (1 << 12)
 #define HWCAP_VFPv3    (1 << 13)
-#define HWCAP_VFPv3D16 (1 << 14)
+#define HWCAP_VFPv3D16 (1 << 14)       /* also set for VFPv4-D16 */
 #define HWCAP_TLS      (1 << 15)
 #define HWCAP_VFPv4    (1 << 16)
 #define HWCAP_IDIVA    (1 << 17)
 #define HWCAP_IDIVT    (1 << 18)
+#define HWCAP_VFPD32   (1 << 19)       /* set if VFP has 32 regs (not 16) */
 #define HWCAP_IDIV     (HWCAP_IDIVA | HWCAP_IDIVT)
 
 
index e21bac20d90da1558000125586623bdb9cbe328c..fc6692e2b603b747553835f04a85bf3b1f9c5f3b 100644 (file)
@@ -107,13 +107,6 @@ static void sched_clock_poll(unsigned long wrap_ticks)
        update_sched_clock();
 }
 
-void __init setup_sched_clock_needs_suspend(u32 (*read)(void), int bits,
-               unsigned long rate)
-{
-       setup_sched_clock(read, bits, rate);
-       cd.needs_suspend = true;
-}
-
 void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate)
 {
        unsigned long r, w;
@@ -189,18 +182,15 @@ void __init sched_clock_postinit(void)
 static int sched_clock_suspend(void)
 {
        sched_clock_poll(sched_clock_timer.data);
-       if (cd.needs_suspend)
-               cd.suspended = true;
+       cd.suspended = true;
        return 0;
 }
 
 static void sched_clock_resume(void)
 {
-       if (cd.needs_suspend) {
-               cd.epoch_cyc = read_sched_clock();
-               cd.epoch_cyc_copy = cd.epoch_cyc;
-               cd.suspended = false;
-       }
+       cd.epoch_cyc = read_sched_clock();
+       cd.epoch_cyc_copy = cd.epoch_cyc;
+       cd.suspended = false;
 }
 
 static struct syscore_ops sched_clock_ops = {
index 023f443784ec0b1fd438e7a9637702ef1e58fbaf..b820edaf31843fb309fc29f882ce9d4e80c04c62 100644 (file)
@@ -745,7 +745,7 @@ do_alignment_t32_to_handler(unsigned long *pinstr, struct pt_regs *regs,
 static int
 do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 {
-       union offset_union offset;
+       union offset_union uninitialized_var(offset);
        unsigned long instr = 0, instrptr;
        int (*handler)(unsigned long addr, unsigned long instr, struct pt_regs *regs);
        unsigned int type;
index c834b32af275d73d4cd760efeb4a365e940f1df7..3b44e0dd0a9327f8d75fc72c7bc8838a913f8571 100644 (file)
@@ -701,11 +701,14 @@ static int __init vfp_init(void)
                        elf_hwcap |= HWCAP_VFPv3;
 
                        /*
-                        * Check for VFPv3 D16. CPUs in this configuration
-                        * only have 16 x 64bit registers.
+                        * Check for VFPv3 D16 and VFPv4 D16.  CPUs in
+                        * this configuration only have 16 x 64bit
+                        * registers.
                         */
                        if (((fmrx(MVFR0) & MVFR0_A_SIMD_MASK)) == 1)
-                               elf_hwcap |= HWCAP_VFPv3D16;
+                               elf_hwcap |= HWCAP_VFPv3D16; /* also v4-D16 */
+                       else
+                               elf_hwcap |= HWCAP_VFPD32;
                }
 #endif
                /*
index 074f5ed101b9d17bf49c2a0cd13b078408fcb64c..71f723984cbd94eced133e49bc7fd0db8dbdf92b 100644 (file)
 
 #include <linux/linkage.h>
 #include <asm/assembler.h>
+#include <asm/opcodes-virt.h>
 #include <xen/interface/xen.h>
 
 
-/* HVC 0xEA1 */
-#ifdef CONFIG_THUMB2_KERNEL
-#define xen_hvc .word 0xf7e08ea1
-#else
-#define xen_hvc .word 0xe140ea71
-#endif
+#define XEN_IMM 0xEA1
 
 #define HYPERCALL_SIMPLE(hypercall)            \
 ENTRY(HYPERVISOR_##hypercall)                  \
        mov r12, #__HYPERVISOR_##hypercall;     \
-       xen_hvc;                                                        \
+       __HVC(XEN_IMM);                                         \
        mov pc, lr;                                                     \
 ENDPROC(HYPERVISOR_##hypercall)
 
@@ -76,7 +72,7 @@ ENTRY(HYPERVISOR_##hypercall)                 \
        stmdb sp!, {r4}                                         \
        ldr r4, [sp, #4]                                        \
        mov r12, #__HYPERVISOR_##hypercall;     \
-       xen_hvc                                                         \
+       __HVC(XEN_IMM);                                         \
        ldm sp!, {r4}                                           \
        mov pc, lr                                                      \
 ENDPROC(HYPERVISOR_##hypercall)
@@ -100,7 +96,7 @@ ENTRY(privcmd_call)
        mov r2, r3
        ldr r3, [sp, #8]
        ldr r4, [sp, #4]
-       xen_hvc
+       __HVC(XEN_IMM)
        ldm sp!, {r4}
        mov pc, lr
 ENDPROC(privcmd_call);
index b7412504f08a2c91635c6f75da624a59b6a6a953..df2eb4bd9fa2abbaa06c6978537fcabc88c22cf7 100644 (file)
@@ -13,6 +13,7 @@ config FRV
        select GENERIC_CPU_DEVICES
        select ARCH_WANT_IPC_PARSE_VERSION
        select GENERIC_KERNEL_THREAD
+       select GENERIC_KERNEL_EXECVE
 
 config ZONE_DMA
        bool
index 6ae3254da01976b6fdaa374f588c3c58a081058c..636d5bbcd53f31ca5cbbb96ca9f3e29f501fdfff 100644 (file)
@@ -17,6 +17,8 @@ PARAMS_PHYS    = 0x0207c000
 INITRD_PHYS     = 0x02180000
 INITRD_VIRT     = 0x02180000
 
+OBJCOPYFLAGS   :=-O binary -R .note -R .note.gnu.build-id -R .comment
+
 #
 # If you don't define ZRELADDR above,
 # then it defaults to ZTEXTADDR
@@ -32,18 +34,18 @@ Image: $(obj)/Image
 targets: $(obj)/Image
 
 $(obj)/Image: vmlinux FORCE
-       $(OBJCOPY) -O binary -R .note -R .comment -S vmlinux $@
+       $(OBJCOPY) $(OBJCOPYFLAGS) -S vmlinux $@
 
 #$(obj)/Image: $(CONFIGURE) $(SYSTEM)
-#      $(OBJCOPY) -O binary -R .note -R .comment -g -S $(SYSTEM) $@
+#      $(OBJCOPY) $(OBJCOPYFLAGS) -g -S $(SYSTEM) $@
 
 bzImage: zImage
 
 zImage:        $(CONFIGURE) compressed/$(LINUX)
-       $(OBJCOPY) -O binary -R .note -R .comment -S compressed/$(LINUX) $@
+       $(OBJCOPY) $(OBJCOPYFLAGS) -S compressed/$(LINUX) $@
 
 bootpImage: bootp/bootp
-       $(OBJCOPY) -O binary -R .note -R .comment -S bootp/bootp $@
+       $(OBJCOPY) $(OBJCOPYFLAGS) -S bootp/bootp $@
 
 compressed/$(LINUX): $(LINUX) dep
        @$(MAKE) -C compressed $(LINUX)
index 266a5b25a0c1698347715c91fd45b7e95b8eb864..2358634caccaa6b50a8cad83fb0601e1350e71d0 100644 (file)
@@ -30,7 +30,6 @@
 #define __ARCH_WANT_SYS_RT_SIGACTION
 #define __ARCH_WANT_SYS_RT_SIGSUSPEND
 #define __ARCH_WANT_SYS_EXECVE
-#define __ARCH_WANT_KERNEL_EXECVE
 
 /*
  * "Conditional" syscalls
index ee0beb354e4df38e0c067410e8f9643deec2856f..dfcd263c05176ea6cdbf3c169070a93fe79b8f5b 100644 (file)
@@ -869,11 +869,6 @@ ret_from_kernel_thread:
        call            schedule_tail
        calll.p         @(gr21,gr0)
        or              gr20,gr20,gr8
-       bra             sys_exit
-
-       .globl          ret_from_kernel_execve
-ret_from_kernel_execve:
-       ori             gr28,0,sp
        bra             __syscall_exit
 
 ###################################################################################################
@@ -1080,27 +1075,10 @@ __entry_return_from_kernel_interrupt:
        subicc          gr5,#0,gr0,icc0
        beq             icc0,#0,__entry_return_direct
 
-__entry_preempt_need_resched:
-       ldi             @(gr15,#TI_FLAGS),gr4
-       andicc          gr4,#_TIF_NEED_RESCHED,gr0,icc0
-       beq             icc0,#1,__entry_return_direct
-
-       setlos          #PREEMPT_ACTIVE,gr5
-       sti             gr5,@(gr15,#TI_FLAGS)
-
-       andi            gr23,#~PSR_PIL,gr23
-       movgs           gr23,psr
-
-       call            schedule
-       sti             gr0,@(gr15,#TI_PRE_COUNT)
-
-       movsg           psr,gr23
-       ori             gr23,#PSR_PIL_14,gr23
-       movgs           gr23,psr
-       bra             __entry_preempt_need_resched
-#else
-       bra             __entry_return_direct
+       subcc           gr0,gr0,gr0,icc2                /* set Z and clear C */
+       call            preempt_schedule_irq
 #endif
+       bra             __entry_return_direct
 
 
 ###############################################################################
index e1e3aa196aa4c25adcb33ed09fe1296b4be8e69d..7e33215f1d8fabfd28a1aa5c5144a8e73f621a90 100644 (file)
@@ -181,6 +181,9 @@ int copy_thread(unsigned long clone_flags,
        childregs = (struct pt_regs *)
                (task_stack_page(p) + THREAD_SIZE - FRV_FRAME0_SIZE);
 
+       /* set up the userspace frame (the only place that the USP is stored) */
+       *childregs = *__kernel_frame0_ptr;
+
        p->set_child_tid = p->clear_child_tid = NULL;
 
        p->thread.frame  = childregs;
@@ -191,10 +194,8 @@ int copy_thread(unsigned long clone_flags,
        p->thread.frame0 = childregs;
 
        if (unlikely(!regs)) {
-               memset(childregs, 0, sizeof(struct pt_regs));
                childregs->gr9 = usp; /* function */
                childregs->gr8 = arg;
-               childregs->psr = PSR_S;
                p->thread.pc = (unsigned long) ret_from_kernel_thread;
                save_user_regs(p->thread.user);
                return 0;
index e47857f889b6d2a18dcf839249bae5f7af66f334..b99c2a7cc7a41f6a0398c4a34715749d2a935afc 100644 (file)
@@ -11,6 +11,7 @@
 
 #include <linux/types.h>
 #include <linux/slab.h>
+#include <linux/export.h>
 #include <linux/dma-mapping.h>
 #include <linux/list.h>
 #include <linux/pci.h>
index 66d0fff1ee8481ce0669cd5b0a137dde5d7dff8d..125f344f06a90e4d09dc4feab417042be9910e2a 100644 (file)
@@ -33,7 +33,6 @@
 #ifndef _ASM_X86_XEN_HYPERVISOR_H
 #define _ASM_X86_XEN_HYPERVISOR_H
 
-/* arch/i386/kernel/setup.c */
 extern struct shared_info *HYPERVISOR_shared_info;
 extern struct start_info *xen_start_info;
 
index 1eefebe5d72758873df0d13e4ae8c686a7d016ee..224a7e78cb6c40330dfebc943e315c0a7231efa1 100644 (file)
@@ -3779,7 +3779,7 @@ static int write_exit_mmio(struct kvm_vcpu *vcpu, gpa_t gpa,
 {
        struct kvm_mmio_fragment *frag = &vcpu->mmio_fragments[0];
 
-       memcpy(vcpu->run->mmio.data, frag->data, frag->len);
+       memcpy(vcpu->run->mmio.data, frag->data, min(8u, frag->len));
        return X86EMUL_CONTINUE;
 }
 
@@ -3832,18 +3832,11 @@ mmio:
        bytes -= handled;
        val += handled;
 
-       while (bytes) {
-               unsigned now = min(bytes, 8U);
-
-               frag = &vcpu->mmio_fragments[vcpu->mmio_nr_fragments++];
-               frag->gpa = gpa;
-               frag->data = val;
-               frag->len = now;
-
-               gpa += now;
-               val += now;
-               bytes -= now;
-       }
+       WARN_ON(vcpu->mmio_nr_fragments >= KVM_MAX_MMIO_FRAGMENTS);
+       frag = &vcpu->mmio_fragments[vcpu->mmio_nr_fragments++];
+       frag->gpa = gpa;
+       frag->data = val;
+       frag->len = bytes;
        return X86EMUL_CONTINUE;
 }
 
@@ -3890,7 +3883,7 @@ int emulator_read_write(struct x86_emulate_ctxt *ctxt, unsigned long addr,
        vcpu->mmio_needed = 1;
        vcpu->mmio_cur_fragment = 0;
 
-       vcpu->run->mmio.len = vcpu->mmio_fragments[0].len;
+       vcpu->run->mmio.len = min(8u, vcpu->mmio_fragments[0].len);
        vcpu->run->mmio.is_write = vcpu->mmio_is_write = ops->write;
        vcpu->run->exit_reason = KVM_EXIT_MMIO;
        vcpu->run->mmio.phys_addr = gpa;
@@ -5522,28 +5515,44 @@ static int complete_emulated_pio(struct kvm_vcpu *vcpu)
  *
  * read:
  *   for each fragment
- *     write gpa, len
- *     exit
- *     copy data
+ *     for each mmio piece in the fragment
+ *       write gpa, len
+ *       exit
+ *       copy data
  *   execute insn
  *
  * write:
  *   for each fragment
- *      write gpa, len
- *      copy data
- *      exit
+ *     for each mmio piece in the fragment
+ *       write gpa, len
+ *       copy data
+ *       exit
  */
 static int complete_emulated_mmio(struct kvm_vcpu *vcpu)
 {
        struct kvm_run *run = vcpu->run;
        struct kvm_mmio_fragment *frag;
+       unsigned len;
 
        BUG_ON(!vcpu->mmio_needed);
 
        /* Complete previous fragment */
-       frag = &vcpu->mmio_fragments[vcpu->mmio_cur_fragment++];
+       frag = &vcpu->mmio_fragments[vcpu->mmio_cur_fragment];
+       len = min(8u, frag->len);
        if (!vcpu->mmio_is_write)
-               memcpy(frag->data, run->mmio.data, frag->len);
+               memcpy(frag->data, run->mmio.data, len);
+
+       if (frag->len <= 8) {
+               /* Switch to the next fragment. */
+               frag++;
+               vcpu->mmio_cur_fragment++;
+       } else {
+               /* Go forward to the next mmio piece. */
+               frag->data += len;
+               frag->gpa += len;
+               frag->len -= len;
+       }
+
        if (vcpu->mmio_cur_fragment == vcpu->mmio_nr_fragments) {
                vcpu->mmio_needed = 0;
                if (vcpu->mmio_is_write)
@@ -5551,13 +5560,12 @@ static int complete_emulated_mmio(struct kvm_vcpu *vcpu)
                vcpu->mmio_read_completed = 1;
                return complete_emulated_io(vcpu);
        }
-       /* Initiate next fragment */
-       ++frag;
+
        run->exit_reason = KVM_EXIT_MMIO;
        run->mmio.phys_addr = frag->gpa;
        if (vcpu->mmio_is_write)
-               memcpy(run->mmio.data, frag->data, frag->len);
-       run->mmio.len = frag->len;
+               memcpy(run->mmio.data, frag->data, min(8u, frag->len));
+       run->mmio.len = min(8u, frag->len);
        run->mmio.is_write = vcpu->mmio_is_write;
        vcpu->arch.complete_userspace_io = complete_emulated_mmio;
        return 0;
index 6226c99729b963594a2e133290cbf8f3c6e681b8..dcf5f2dd91ec4fd91d814d46c7d6dbd6c5312a61 100644 (file)
@@ -1288,6 +1288,25 @@ unsigned long xen_read_cr2_direct(void)
        return this_cpu_read(xen_vcpu_info.arch.cr2);
 }
 
+void xen_flush_tlb_all(void)
+{
+       struct mmuext_op *op;
+       struct multicall_space mcs;
+
+       trace_xen_mmu_flush_tlb_all(0);
+
+       preempt_disable();
+
+       mcs = xen_mc_entry(sizeof(*op));
+
+       op = mcs.args;
+       op->cmd = MMUEXT_TLB_FLUSH_ALL;
+       MULTI_mmuext_op(mcs.mc, op, 1, NULL, DOMID_SELF);
+
+       xen_mc_issue(PARAVIRT_LAZY_MMU);
+
+       preempt_enable();
+}
 static void xen_flush_tlb(void)
 {
        struct mmuext_op *op;
@@ -2518,7 +2537,7 @@ int xen_remap_domain_mfn_range(struct vm_area_struct *vma,
        err = 0;
 out:
 
-       flush_tlb_all();
+       xen_flush_tlb_all();
 
        return err;
 }
index cdcb48adee4c6d05f65f34fb9893a55afdb4c5f1..0d1f36a22c98827ba204af46859b349ac3da91ae 100644 (file)
@@ -13,6 +13,8 @@ config XTENSA
        select GENERIC_CPU_DEVICES
        select MODULES_USE_ELF_RELA
        select GENERIC_PCI_IOMAP
+       select GENERIC_KERNEL_THREAD
+       select GENERIC_KERNEL_EXECVE
        select ARCH_WANT_OPTIONAL_GPIOLIB
        help
          Xtensa processors are 32-bit RISC machines designed by Tensilica
index e6be5b9091c2a65509f721ed3e5f92bc7c6783bc..700c2e6f2d259d454f5f8f310b431d6b20ecbc1f 100644 (file)
@@ -62,6 +62,10 @@ static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
 static inline void iounmap(volatile void __iomem *addr)
 {
 }
+
+#define virt_to_bus     virt_to_phys
+#define bus_to_virt     phys_to_virt
+
 #endif /* CONFIG_MMU */
 
 /*
index 5c371d8d45284a1c35808d2b9e4928db03cc7652..2d630e7399ca4f94584a77cdf2a150d6c9ff7319 100644 (file)
@@ -152,6 +152,7 @@ struct thread_struct {
 
 /* Clearing a0 terminates the backtrace. */
 #define start_thread(regs, new_pc, new_sp) \
+       memset(regs, 0, sizeof(*regs)); \
        regs->pc = new_pc; \
        regs->ps = USER_PS_VALUE; \
        regs->areg[1] = new_sp; \
@@ -168,9 +169,6 @@ struct mm_struct;
 /* Free all resources held by a thread. */
 #define release_thread(thread) do { } while(0)
 
-/* Create a kernel thread without removing it from tasklists */
-extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
-
 /* Copy and release all segment info associated with a VM */
 #define copy_segments(p, mm)   do { } while(0)
 #define release_segments(mm)   do { } while(0)
index c1dacca312f3906374614ae4eb0a486ab8070e8a..124aeee0d3816cadf7abe7317d168b5f3b326891 100644 (file)
@@ -10,7 +10,7 @@
 
 struct pt_regs;
 struct sigaction;
-asmlinkage long xtensa_execve(char*, char**, char**, struct pt_regs*);
+asmlinkage long sys_execve(char*, char**, char**, struct pt_regs*);
 asmlinkage long xtensa_clone(unsigned long, unsigned long, struct pt_regs*);
 asmlinkage long xtensa_ptrace(long, long, long, long);
 asmlinkage long xtensa_sigreturn(struct pt_regs*);
index 9ef1c31d2c8363fdae934f157abce35d1ef21e89..f4e6eaa40d1ca86946799a1f7eab6d7047a69dd5 100644 (file)
@@ -1,16 +1,9 @@
-/*
- * include/asm-xtensa/unistd.h
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2001 - 2005 Tensilica Inc.
- */
+#ifndef _XTENSA_UNISTD_H
+#define _XTENSA_UNISTD_H
 
+#define __ARCH_WANT_SYS_EXECVE
 #include <uapi/asm/unistd.h>
 
-
 /*
  * "Conditional" syscalls
  *
@@ -37,3 +30,5 @@
 #define __IGNORE_mmap                          /* use mmap2 */
 #define __IGNORE_vfork                         /* use clone */
 #define __IGNORE_fadvise64                     /* use fadvise64_64 */
+
+#endif /* _XTENSA_UNISTD_H */
index 479abaea5aae761a41b60ef5e1861bba3aa2e605..9f36d0e3e0aca7d8fc87257be6d48cbdea16f810 100644 (file)
@@ -1,14 +1,4 @@
-/*
- * include/asm-xtensa/unistd.h
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2001 - 2012 Tensilica Inc.
- */
-
-#ifndef _UAPI_XTENSA_UNISTD_H
+#if !defined(_UAPI_XTENSA_UNISTD_H) || defined(__SYSCALL)
 #define _UAPI_XTENSA_UNISTD_H
 
 #ifndef __SYSCALL
@@ -272,7 +262,7 @@ __SYSCALL(115, sys_sendmmsg, 4)
 #define __NR_clone                             116
 __SYSCALL(116, xtensa_clone, 5)
 #define __NR_execve                            117
-__SYSCALL(117, xtensa_execve, 3)
+__SYSCALL(117, sys_execve, 3)
 #define __NR_exit                              118
 __SYSCALL(118, sys_exit, 1)
 #define __NR_exit_group                        119
@@ -759,4 +749,6 @@ __SYSCALL(331, sys_kcmp, 5)
 
 #define SYS_XTENSA_COUNT                  5     /* count */
 
+#undef __SYSCALL
+
 #endif /* _UAPI_XTENSA_UNISTD_H */
index 18453067c2582034e896adee07c0d474912a98d2..90bfc1dbc13dcf46992e4fb09bb7eab3cfe1bea3 100644 (file)
@@ -1832,50 +1832,6 @@ ENTRY(system_call)
        retw
 
 
-/*
- * Create a kernel thread
- *
- * int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
- * a2                    a2                 a3             a4
- */
-
-ENTRY(kernel_thread)
-       entry   a1, 16
-
-       mov     a5, a2                  # preserve fn over syscall
-       mov     a7, a3                  # preserve args over syscall
-
-       movi    a3, _CLONE_VM | _CLONE_UNTRACED
-       movi    a2, __NR_clone
-       or      a6, a4, a3              # arg0: flags
-       mov     a3, a1                  # arg1: sp
-       syscall
-
-       beq     a3, a1, 1f              # branch if parent
-       mov     a6, a7                  # args
-       callx4  a5                      # fn(args)
-
-       movi    a2, __NR_exit
-       syscall                         # return value of fn(args) still in a6
-
-1:     retw
-
-/*
- * Do a system call from kernel instead of calling sys_execve, so we end up
- * with proper pt_regs.
- *
- * int kernel_execve(const char *fname, char *const argv[], charg *const envp[])
- * a2                        a2               a3                  a4
- */
-
-ENTRY(kernel_execve)
-       entry   a1, 16
-       mov     a6, a2                  # arg0 is in a6
-       movi    a2, __NR_execve
-       syscall
-
-       retw
-
 /*
  * Task switch.
  *
@@ -1958,3 +1914,16 @@ ENTRY(ret_from_fork)
 
        j       common_exception_return
 
+/*
+ * Kernel thread creation helper
+ * On entry, set up by copy_thread: a2 = thread_fn, a3 = thread_fn arg
+ *           left from _switch_to: a6 = prev
+ */
+ENTRY(ret_from_kernel_thread)
+
+       call4   schedule_tail
+       mov     a6, a3
+       callx4  a2
+       j       common_exception_return
+
+ENDPROC(ret_from_kernel_thread)
index 1908f6642d31e0073c5884b0f90445641452cb75..09ae7bfab9a7a4a8ff2a6e2c55aadf07dda48024 100644 (file)
@@ -45,6 +45,7 @@
 #include <asm/regs.h>
 
 extern void ret_from_fork(void);
+extern void ret_from_kernel_thread(void);
 
 struct task_struct *current_set[NR_CPUS] = {&init_task, };
 
@@ -158,18 +159,30 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
 /*
  * Copy thread.
  *
+ * There are two modes in which this function is called:
+ * 1) Userspace thread creation,
+ *    regs != NULL, usp_thread_fn is userspace stack pointer.
+ *    It is expected to copy parent regs (in case CLONE_VM is not set
+ *    in the clone_flags) and set up passed usp in the childregs.
+ * 2) Kernel thread creation,
+ *    regs == NULL, usp_thread_fn is the function to run in the new thread
+ *    and thread_fn_arg is its parameter.
+ *    childregs are not used for the kernel threads.
+ *
  * The stack layout for the new thread looks like this:
  *
- *     +------------------------+ <- sp in childregs (= tos)
+ *     +------------------------+
  *     |       childregs        |
  *     +------------------------+ <- thread.sp = sp in dummy-frame
  *     |      dummy-frame       |    (saved in dummy-frame spill-area)
  *     +------------------------+
  *
- * We create a dummy frame to return to ret_from_fork:
- *   a0 points to ret_from_fork (simulating a call4)
+ * We create a dummy frame to return to either ret_from_fork or
+ *   ret_from_kernel_thread:
+ *   a0 points to ret_from_fork/ret_from_kernel_thread (simulating a call4)
  *   sp points to itself (thread.sp)
- *   a2, a3 are unused.
+ *   a2, a3 are unused for userspace threads,
+ *   a2 points to thread_fn, a3 holds thread_fn arg for kernel threads.
  *
  * Note: This is a pristine frame, so we don't need any spill region on top of
  *       childregs.
@@ -185,43 +198,63 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
  * involved.  Much simpler to just not copy those live frames across.
  */
 
-int copy_thread(unsigned long clone_flags, unsigned long usp,
-               unsigned long unused,
-                struct task_struct * p, struct pt_regs * regs)
+int copy_thread(unsigned long clone_flags, unsigned long usp_thread_fn,
+               unsigned long thread_fn_arg,
+               struct task_struct *p, struct pt_regs *unused)
 {
-       struct pt_regs *childregs;
-       unsigned long tos;
-       int user_mode = user_mode(regs);
+       struct pt_regs *childregs = task_pt_regs(p);
 
 #if (XTENSA_HAVE_COPROCESSORS || XTENSA_HAVE_IO_PORTS)
        struct thread_info *ti;
 #endif
 
-       /* Set up new TSS. */
-       tos = (unsigned long)task_stack_page(p) + THREAD_SIZE;
-       if (user_mode)
-               childregs = (struct pt_regs*)(tos - PT_USER_SIZE);
-       else
-               childregs = (struct pt_regs*)tos - 1;
-
-       /* This does not copy all the regs.  In a bout of brilliance or madness,
-          ARs beyond a0-a15 exist past the end of the struct. */
-       *childregs = *regs;
-
        /* Create a call4 dummy-frame: a0 = 0, a1 = childregs. */
        *((int*)childregs - 3) = (unsigned long)childregs;
        *((int*)childregs - 4) = 0;
 
-       childregs->areg[2] = 0;
-       p->set_child_tid = p->clear_child_tid = NULL;
-       p->thread.ra = MAKE_RA_FOR_CALL((unsigned long)ret_from_fork, 0x1);
        p->thread.sp = (unsigned long)childregs;
 
-       if (user_mode(regs)) {
+       if (!(p->flags & PF_KTHREAD)) {
+               struct pt_regs *regs = current_pt_regs();
+               unsigned long usp = usp_thread_fn ?
+                       usp_thread_fn : regs->areg[1];
 
+               p->thread.ra = MAKE_RA_FOR_CALL(
+                               (unsigned long)ret_from_fork, 0x1);
+
+               /* This does not copy all the regs.
+                * In a bout of brilliance or madness,
+                * ARs beyond a0-a15 exist past the end of the struct.
+                */
+               *childregs = *regs;
                childregs->areg[1] = usp;
+               childregs->areg[2] = 0;
+
+               /* When sharing memory with the parent thread, the child
+                  usually starts on a pristine stack, so we have to reset
+                  windowbase, windowstart and wmask.
+                  (Note that such a new thread is required to always create
+                  an initial call4 frame)
+                  The exception is vfork, where the new thread continues to
+                  run on the parent's stack until it calls execve. This could
+                  be a call8 or call12, which requires a legal stack frame
+                  of the previous caller for the overflow handlers to work.
+                  (Note that it's always legal to overflow live registers).
+                  In this case, ensure to spill at least the stack pointer
+                  of that frame. */
+
                if (clone_flags & CLONE_VM) {
-                       childregs->wmask = 1;   /* can't share live windows */
+                       /* check that caller window is live and same stack */
+                       int len = childregs->wmask & ~0xf;
+                       if (regs->areg[1] == usp && len != 0) {
+                               int callinc = (regs->areg[0] >> 30) & 3;
+                               int caller_ars = XCHAL_NUM_AREGS - callinc * 4;
+                               put_user(regs->areg[caller_ars+1],
+                                        (unsigned __user*)(usp - 12));
+                       }
+                       childregs->wmask = 1;
+                       childregs->windowstart = 1;
+                       childregs->windowbase = 0;
                } else {
                        int len = childregs->wmask & ~0xf;
                        memcpy(&childregs->areg[XCHAL_NUM_AREGS - len/4],
@@ -230,11 +263,19 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
 // FIXME: we need to set THREADPTR in thread_info...
                if (clone_flags & CLONE_SETTLS)
                        childregs->areg[2] = childregs->areg[6];
-
        } else {
-               /* In kernel space, we start a new thread with a new stack. */
-               childregs->wmask = 1;
-               childregs->areg[1] = tos;
+               p->thread.ra = MAKE_RA_FOR_CALL(
+                               (unsigned long)ret_from_kernel_thread, 1);
+
+               /* pass parameters to ret_from_kernel_thread:
+                * a2 = thread_fn, a3 = thread_fn arg
+                */
+               *((int *)childregs - 1) = thread_fn_arg;
+               *((int *)childregs - 2) = usp_thread_fn;
+
+               /* Childregs are only used when we're going to userspace
+                * in which case start_thread will set them up.
+                */
        }
 
 #if (XTENSA_HAVE_COPROCESSORS || XTENSA_HAVE_IO_PORTS)
@@ -330,32 +371,5 @@ long xtensa_clone(unsigned long clone_flags, unsigned long newsp,
                   void __user *child_tid, long a5,
                   struct pt_regs *regs)
 {
-        if (!newsp)
-                newsp = regs->areg[1];
         return do_fork(clone_flags, newsp, regs, 0, parent_tid, child_tid);
 }
-
-/*
- * xtensa_execve() executes a new program.
- */
-
-asmlinkage
-long xtensa_execve(const char __user *name,
-                  const char __user *const __user *argv,
-                   const char __user *const __user *envp,
-                   long a3, long a4, long a5,
-                   struct pt_regs *regs)
-{
-       long error;
-       struct filename *filename;
-
-       filename = getname(name);
-       error = PTR_ERR(filename);
-       if (IS_ERR(filename))
-               goto out;
-       error = do_execve(filename->name, argv, envp, regs);
-       putname(filename);
-out:
-       return error;
-}
-
index a5c01e74d5d5590f3c5287dace8f23c10c527cd9..5702065f472a88bebc4df721dec0629208957395 100644 (file)
@@ -32,10 +32,8 @@ typedef void (*syscall_t)(void);
 syscall_t sys_call_table[__NR_syscall_count] /* FIXME __cacheline_aligned */= {
        [0 ... __NR_syscall_count - 1] = (syscall_t)&sys_ni_syscall,
 
-#undef __SYSCALL
 #define __SYSCALL(nr,symbol,nargs) [ nr ] = (syscall_t)symbol,
-#undef  __KERNEL_SYSCALLS__
-#include <asm/unistd.h>
+#include <uapi/asm/unistd.h>
 };
 
 asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg)
@@ -49,7 +47,8 @@ asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg)
        return (long)ret;
 }
 
-asmlinkage long xtensa_fadvise64_64(int fd, int advice, unsigned long long offset, unsigned long long len)
+asmlinkage long xtensa_fadvise64_64(int fd, int advice,
+               unsigned long long offset, unsigned long long len)
 {
        return sys_fadvise64_64(fd, offset, len, advice);
 }
index a8b9f1fd1e17f63573c74bdf8c06616c1abd7481..afe058b24e6e07c83d61f1a524b30e03340d6369 100644 (file)
@@ -43,7 +43,6 @@ EXPORT_SYMBOL(__strncpy_user);
 EXPORT_SYMBOL(clear_page);
 EXPORT_SYMBOL(copy_page);
 
-EXPORT_SYMBOL(kernel_thread);
 EXPORT_SYMBOL(empty_zero_page);
 
 /*
index f94d4c818fc74dc9a076e8f67fe98d7bc6620a61..0230cb6cbb3a18eda2fd323763d6594205c0ed7f 100644 (file)
@@ -1345,12 +1345,15 @@ static int
 acpi_video_bus_get_devices(struct acpi_video_bus *video,
                           struct acpi_device *device)
 {
-       int status;
+       int status = 0;
        struct acpi_device *dev;
 
-       status = acpi_video_device_enumerate(video);
-       if (status)
-               return status;
+       /*
+        * There are systems where video module known to work fine regardless
+        * of broken _DOD and ignoring returned value here doesn't cause
+        * any issues later.
+        */
+       acpi_video_device_enumerate(video);
 
        list_for_each_entry(dev, &device->children, node) {
 
index c16a3a593ba48801e188aff6196e38cc02702621..e3ebb4fa2c3e5045c04f6b0b864a4499064fcbff 100644 (file)
@@ -5,7 +5,7 @@
  *  http://www.gnu.org/licenses/gpl.html
  *
  *  Maintainer:
- *  Andreas Herrmann <andreas.herrmann3@amd.com>
+ *  Andreas Herrmann <herrmann.der.user@googlemail.com>
  *
  *  Based on the powernow-k7.c module written by Dave Jones.
  *  (C) 2003 Dave Jones on behalf of SuSE Labs
index 7ef1b673e1be9ec2f82006ca3d8ea2519e13b231..133b4132983e35e366884301a443ff26f45a2a05 100644 (file)
@@ -121,6 +121,8 @@ int drm_open(struct inode *inode, struct file *filp)
        int minor_id = iminor(inode);
        struct drm_minor *minor;
        int retcode = 0;
+       int need_setup = 0;
+       struct address_space *old_mapping;
 
        minor = idr_find(&drm_minors_idr, minor_id);
        if (!minor)
@@ -132,23 +134,37 @@ int drm_open(struct inode *inode, struct file *filp)
        if (drm_device_is_unplugged(dev))
                return -ENODEV;
 
+       if (!dev->open_count++)
+               need_setup = 1;
+       mutex_lock(&dev->struct_mutex);
+       old_mapping = dev->dev_mapping;
+       if (old_mapping == NULL)
+               dev->dev_mapping = &inode->i_data;
+       /* ihold ensures nobody can remove inode with our i_data */
+       ihold(container_of(dev->dev_mapping, struct inode, i_data));
+       inode->i_mapping = dev->dev_mapping;
+       filp->f_mapping = dev->dev_mapping;
+       mutex_unlock(&dev->struct_mutex);
+
        retcode = drm_open_helper(inode, filp, dev);
-       if (!retcode) {
-               atomic_inc(&dev->counts[_DRM_STAT_OPENS]);
-               if (!dev->open_count++)
-                       retcode = drm_setup(dev);
-       }
-       if (!retcode) {
-               mutex_lock(&dev->struct_mutex);
-               if (dev->dev_mapping == NULL)
-                       dev->dev_mapping = &inode->i_data;
-               /* ihold ensures nobody can remove inode with our i_data */
-               ihold(container_of(dev->dev_mapping, struct inode, i_data));
-               inode->i_mapping = dev->dev_mapping;
-               filp->f_mapping = dev->dev_mapping;
-               mutex_unlock(&dev->struct_mutex);
+       if (retcode)
+               goto err_undo;
+       atomic_inc(&dev->counts[_DRM_STAT_OPENS]);
+       if (need_setup) {
+               retcode = drm_setup(dev);
+               if (retcode)
+                       goto err_undo;
        }
+       return 0;
 
+err_undo:
+       mutex_lock(&dev->struct_mutex);
+       filp->f_mapping = old_mapping;
+       inode->i_mapping = old_mapping;
+       iput(container_of(dev->dev_mapping, struct inode, i_data));
+       dev->dev_mapping = old_mapping;
+       mutex_unlock(&dev->struct_mutex);
+       dev->open_count--;
        return retcode;
 }
 EXPORT_SYMBOL(drm_open);
index 59a26e577b57f423077d5a2c86d75364f14b6838..fc345d4ebb03acea266bfb100b4661cebf970f69 100644 (file)
@@ -1,6 +1,6 @@
 config DRM_EXYNOS
        tristate "DRM Support for Samsung SoC EXYNOS Series"
-       depends on DRM && PLAT_SAMSUNG
+       depends on DRM && (PLAT_SAMSUNG || ARCH_MULTIPLATFORM)
        select DRM_KMS_HELPER
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
index 18c271862ca8468a8ce0d3d4b24d8a595d29ad44..0f68a28726739dd6b795ad066edb645799cfc6d2 100644 (file)
@@ -374,6 +374,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev,
        exynos_connector->encoder_id = encoder->base.id;
        exynos_connector->manager = manager;
        exynos_connector->dpms = DRM_MODE_DPMS_OFF;
+       connector->dpms = DRM_MODE_DPMS_OFF;
        connector->encoder = encoder;
 
        err = drm_mode_connector_attach_encoder(connector, encoder);
index e51503fbaf2bcbf19edbdf423638a725b5703a6e..241ad1eeec64d2097a4416bd76026723d384a215 100644 (file)
  * @manager: specific encoder has its own manager to control a hardware
  *     appropriately and we can access a hardware drawing on this manager.
  * @dpms: store the encoder dpms value.
+ * @updated: indicate whether overlay data updating is needed or not.
  */
 struct exynos_drm_encoder {
        struct drm_crtc                 *old_crtc;
        struct drm_encoder              drm_encoder;
        struct exynos_drm_manager       *manager;
-       int dpms;
+       int                             dpms;
+       bool                            updated;
 };
 
 static void exynos_drm_connector_power(struct drm_encoder *encoder, int mode)
@@ -85,7 +87,9 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
        switch (mode) {
        case DRM_MODE_DPMS_ON:
                if (manager_ops && manager_ops->apply)
-                       manager_ops->apply(manager->dev);
+                       if (!exynos_encoder->updated)
+                               manager_ops->apply(manager->dev);
+
                exynos_drm_connector_power(encoder, mode);
                exynos_encoder->dpms = mode;
                break;
@@ -94,6 +98,7 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
        case DRM_MODE_DPMS_OFF:
                exynos_drm_connector_power(encoder, mode);
                exynos_encoder->dpms = mode;
+               exynos_encoder->updated = false;
                break;
        default:
                DRM_ERROR("unspecified mode %d\n", mode);
@@ -205,13 +210,22 @@ static void exynos_drm_encoder_prepare(struct drm_encoder *encoder)
 
 static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
 {
-       struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
+       struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
+       struct exynos_drm_manager *manager = exynos_encoder->manager;
        struct exynos_drm_manager_ops *manager_ops = manager->ops;
 
        DRM_DEBUG_KMS("%s\n", __FILE__);
 
        if (manager_ops && manager_ops->commit)
                manager_ops->commit(manager->dev);
+
+       /*
+        * this will avoid one issue that overlay data is updated to
+        * real hardware two times.
+        * And this variable will be used to check if the data was
+        * already updated or not by exynos_drm_encoder_dpms function.
+        */
+       exynos_encoder->updated = true;
 }
 
 static void exynos_drm_encoder_disable(struct drm_encoder *encoder)
@@ -400,19 +414,6 @@ void exynos_drm_encoder_crtc_dpms(struct drm_encoder *encoder, void *data)
        if (manager_ops && manager_ops->dpms)
                manager_ops->dpms(manager->dev, mode);
 
-       /*
-        * set current mode to new one so that data aren't updated into
-        * registers by drm_helper_connector_dpms two times.
-        *
-        * in case that drm_crtc_helper_set_mode() is called,
-        * overlay_ops->commit() and manager_ops->commit() callbacks
-        * can be called two times, first at drm_crtc_helper_set_mode()
-        * and second at drm_helper_connector_dpms().
-        * so with this setting, when drm_helper_connector_dpms() is called
-        * encoder->funcs->dpms() will be ignored.
-        */
-       exynos_encoder->dpms = mode;
-
        /*
         * if this condition is ok then it means that the crtc is already
         * detached from encoder and last function for detaching is properly
index 614b2e9ac462c9c402226324d9b12d38b996af14..e7fbb823fd8e5fe2fe97845a1b42a3d84efd50be 100644 (file)
@@ -1142,7 +1142,7 @@ static int __devinit mixer_probe(struct platform_device *pdev)
                const struct of_device_id *match;
                match = of_match_node(of_match_ptr(mixer_match_types),
                                                          pdev->dev.of_node);
-               drv = match->data;
+               drv = (struct mixer_drv_data *)match->data;
        } else {
                drv = (struct mixer_drv_data *)
                        platform_get_device_id(pdev)->driver_data;
index c9bfd83dde64eb6d83cf181fb6c27b3cfcf0a038..61ae104dca8c0f5b9938f092b93f7eca70a06525 100644 (file)
@@ -1505,7 +1505,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
                goto put_gmch;
        }
 
-       i915_kick_out_firmware_fb(dev_priv);
+       if (drm_core_check_feature(dev, DRIVER_MODESET))
+               i915_kick_out_firmware_fb(dev_priv);
 
        pci_set_master(dev->pdev);
 
index f78061af70459d6f4e39c25e79d8ff722ccb7aa2..b726b478a4f5db604b6804ad679f7a887168705c 100644 (file)
@@ -729,7 +729,7 @@ void intel_crt_init(struct drm_device *dev)
 
        crt->base.type = INTEL_OUTPUT_ANALOG;
        crt->base.cloneable = true;
-       if (IS_HASWELL(dev))
+       if (IS_HASWELL(dev) || IS_I830(dev))
                crt->base.crtc_mask = (1 << 0);
        else
                crt->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
index 495625914e4a084f01f476d93524bed83db7ac42..d7bc817f51a024b803986e76fa492146632da66d 100644 (file)
@@ -341,9 +341,17 @@ static int intel_overlay_off(struct intel_overlay *overlay)
        intel_ring_emit(ring, flip_addr);
        intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
        /* turn overlay off */
-       intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
-       intel_ring_emit(ring, flip_addr);
-       intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+       if (IS_I830(dev)) {
+               /* Workaround: Don't disable the overlay fully, since otherwise
+                * it dies on the next OVERLAY_ON cmd. */
+               intel_ring_emit(ring, MI_NOOP);
+               intel_ring_emit(ring, MI_NOOP);
+               intel_ring_emit(ring, MI_NOOP);
+       } else {
+               intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
+               intel_ring_emit(ring, flip_addr);
+               intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+       }
        intel_ring_advance(ring);
 
        return intel_overlay_do_wait_request(overlay, intel_overlay_off_tail);
index e019b236986128bae46c61bf49180f7ec2502a0d..e2aacd329545a1ff05a68dd4218f571c5208a2aa 100644 (file)
@@ -435,7 +435,7 @@ int intel_panel_setup_backlight(struct drm_device *dev)
        props.type = BACKLIGHT_RAW;
        props.max_brightness = _intel_panel_get_max_backlight(dev);
        if (props.max_brightness == 0) {
-               DRM_ERROR("Failed to get maximum backlight value\n");
+               DRM_DEBUG_DRIVER("Failed to get maximum backlight value\n");
                return -ENODEV;
        }
        dev_priv->backlight =
index c01d97db0061d19be180f6dbcf9cecffd505aeb0..79d308da29ff8e67cc064b94a31500c0d614a0ad 100644 (file)
@@ -894,6 +894,45 @@ static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 }
 #endif
 
+static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
+                                      unsigned if_index, uint8_t tx_rate,
+                                      uint8_t *data, unsigned length)
+{
+       uint8_t set_buf_index[2] = { if_index, 0 };
+       uint8_t hbuf_size, tmp[8];
+       int i;
+
+       if (!intel_sdvo_set_value(intel_sdvo,
+                                 SDVO_CMD_SET_HBUF_INDEX,
+                                 set_buf_index, 2))
+               return false;
+
+       if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
+                                 &hbuf_size, 1))
+               return false;
+
+       /* Buffer size is 0 based, hooray! */
+       hbuf_size++;
+
+       DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
+                     if_index, length, hbuf_size);
+
+       for (i = 0; i < hbuf_size; i += 8) {
+               memset(tmp, 0, 8);
+               if (i < length)
+                       memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
+
+               if (!intel_sdvo_set_value(intel_sdvo,
+                                         SDVO_CMD_SET_HBUF_DATA,
+                                         tmp, 8))
+                       return false;
+       }
+
+       return intel_sdvo_set_value(intel_sdvo,
+                                   SDVO_CMD_SET_HBUF_TXRATE,
+                                   &tx_rate, 1);
+}
+
 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
 {
        struct dip_infoframe avi_if = {
@@ -901,11 +940,7 @@ static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
                .ver = DIP_VERSION_AVI,
                .len = DIP_LEN_AVI,
        };
-       uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
-       uint8_t set_buf_index[2] = { 1, 0 };
        uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
-       uint64_t *data = (uint64_t *)sdvo_data;
-       unsigned i;
 
        intel_dip_infoframe_csum(&avi_if);
 
@@ -915,22 +950,9 @@ static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
        sdvo_data[3] = avi_if.checksum;
        memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
 
-       if (!intel_sdvo_set_value(intel_sdvo,
-                                 SDVO_CMD_SET_HBUF_INDEX,
-                                 set_buf_index, 2))
-               return false;
-
-       for (i = 0; i < sizeof(sdvo_data); i += 8) {
-               if (!intel_sdvo_set_value(intel_sdvo,
-                                         SDVO_CMD_SET_HBUF_DATA,
-                                         data, 8))
-                       return false;
-               data++;
-       }
-
-       return intel_sdvo_set_value(intel_sdvo,
-                                   SDVO_CMD_SET_HBUF_TXRATE,
-                                   &tx_rate, 1);
+       return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
+                                         SDVO_HBUF_TX_VSYNC,
+                                         sdvo_data, sizeof(sdvo_data));
 }
 
 static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
index 9d030142ee43476c89cf2769f0d8c75cf1697daa..770bdd6ecd9fb96b46365bbadd97ba3011c0ef96 100644 (file)
@@ -708,6 +708,8 @@ struct intel_sdvo_enhancements_arg {
 #define SDVO_CMD_SET_AUDIO_STAT                0x91
 #define SDVO_CMD_GET_AUDIO_STAT                0x92
 #define SDVO_CMD_SET_HBUF_INDEX                0x93
+  #define SDVO_HBUF_INDEX_ELD          0
+  #define SDVO_HBUF_INDEX_AVI_IF       1
 #define SDVO_CMD_GET_HBUF_INDEX                0x94
 #define SDVO_CMD_GET_HBUF_INFO         0x95
 #define SDVO_CMD_SET_HBUF_AV_SPLIT     0x96
index 4d6206448670154deaeed940e0eb44993024fea9..a6d3cd6490f7fa97f171dff724f73430364af89f 100644 (file)
@@ -218,13 +218,16 @@ nouveau_mm_init(struct nouveau_mm *mm, u32 offset, u32 length, u32 block)
        node = kzalloc(sizeof(*node), GFP_KERNEL);
        if (!node)
                return -ENOMEM;
-       node->offset = roundup(offset, mm->block_size);
-       node->length = rounddown(offset + length, mm->block_size) - node->offset;
+
+       if (length) {
+               node->offset  = roundup(offset, mm->block_size);
+               node->length  = rounddown(offset + length, mm->block_size);
+               node->length -= node->offset;
+       }
 
        list_add_tail(&node->nl_entry, &mm->nodes);
        list_add_tail(&node->fl_entry, &mm->free);
        mm->heap_nodes++;
-       mm->heap_size += length;
        return 0;
 }
 
index 9ee9bf4028ca168800bc2c6fbcac96346aad9024..975137ba34a6faefb7d4121b8db2efd3464a28c6 100644 (file)
@@ -19,7 +19,6 @@ struct nouveau_mm {
 
        u32 block_size;
        int heap_nodes;
-       u32 heap_size;
 };
 
 int  nouveau_mm_init(struct nouveau_mm *, u32 offset, u32 length, u32 block);
index 27fb1af7a779b2a0add14ab0462cb060d6e4d8d7..5f570806143ad0fb35fcd67017acf07513b563e4 100644 (file)
@@ -219,13 +219,11 @@ nv50_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
                             ((priv->base.ram.size & 0x000000ff) << 32);
 
        tags = nv_rd32(priv, 0x100320);
-       if (tags) {
-               ret = nouveau_mm_init(&priv->base.tags, 0, tags, 1);
-               if (ret)
-                       return ret;
+       ret = nouveau_mm_init(&priv->base.tags, 0, tags, 1);
+       if (ret)
+               return ret;
 
-               nv_debug(priv, "%d compression tags\n", tags);
-       }
+       nv_debug(priv, "%d compression tags\n", tags);
 
        size = (priv->base.ram.size >> 12) - rsvd_head - rsvd_tail;
        switch (device->chipset) {
index 3d2c88310f982553380f19a7f89d5379a89a5d01..dbfc2abf0cfe1a98379a567fa8a7a90fcd409d5f 100644 (file)
@@ -292,7 +292,7 @@ nouveau_i2c_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
                case DCB_I2C_NVIO_BIT:
                        port->drive = info.drive & 0x0f;
                        if (device->card_type < NV_D0) {
-                               if (info.drive >= ARRAY_SIZE(nv50_i2c_port))
+                               if (port->drive >= ARRAY_SIZE(nv50_i2c_port))
                                        break;
                                port->drive = nv50_i2c_port[port->drive];
                                port->sense = port->drive;
index d2f8ffeed742c54ae5a3d85d2f806f41e66d3a9d..86124b131f4f31a2ca18e8c2416084ad6df1f585 100644 (file)
@@ -290,6 +290,7 @@ nouveau_display_create(struct drm_device *dev)
        struct nouveau_drm *drm = nouveau_drm(dev);
        struct nouveau_disp *pdisp = nouveau_disp(drm->device);
        struct nouveau_display *disp;
+       u32 pclass = dev->pdev->class >> 8;
        int ret, gen;
 
        disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
@@ -360,23 +361,27 @@ nouveau_display_create(struct drm_device *dev)
        drm_kms_helper_poll_init(dev);
        drm_kms_helper_poll_disable(dev);
 
-       if (nv_device(drm->device)->card_type < NV_50)
-               ret = nv04_display_create(dev);
-       else
-       if (nv_device(drm->device)->card_type < NV_D0)
-               ret = nv50_display_create(dev);
-       else
-               ret = nvd0_display_create(dev);
-       if (ret)
-               goto disp_create_err;
-
-       if (dev->mode_config.num_crtc) {
-               ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
+       if (nouveau_modeset == 1 ||
+           (nouveau_modeset < 0 && pclass == PCI_CLASS_DISPLAY_VGA)) {
+               if (nv_device(drm->device)->card_type < NV_50)
+                       ret = nv04_display_create(dev);
+               else
+               if (nv_device(drm->device)->card_type < NV_D0)
+                       ret = nv50_display_create(dev);
+               else
+                       ret = nvd0_display_create(dev);
                if (ret)
-                       goto vblank_err;
+                       goto disp_create_err;
+
+               if (dev->mode_config.num_crtc) {
+                       ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
+                       if (ret)
+                               goto vblank_err;
+               }
+
+               nouveau_backlight_init(dev);
        }
 
-       nouveau_backlight_init(dev);
        return 0;
 
 vblank_err:
@@ -395,7 +400,8 @@ nouveau_display_destroy(struct drm_device *dev)
        nouveau_backlight_exit(dev);
        drm_vblank_cleanup(dev);
 
-       disp->dtor(dev);
+       if (disp->dtor)
+               disp->dtor(dev);
 
        drm_kms_helper_poll_fini(dev);
        drm_mode_config_cleanup(dev);
index ccae8c26ae2b34ecc25e8312ee6d57c0d14f06e3..0910125cbbc3be3cfa757f0976f3afea8cac6a21 100644 (file)
@@ -63,8 +63,9 @@ MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
 static int nouveau_noaccel = 0;
 module_param_named(noaccel, nouveau_noaccel, int, 0400);
 
-MODULE_PARM_DESC(modeset, "enable driver");
-static int nouveau_modeset = -1;
+MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
+                         "0 = disabled, 1 = enabled, 2 = headless)");
+int nouveau_modeset = -1;
 module_param_named(modeset, nouveau_modeset, int, 0400);
 
 static struct drm_driver driver;
@@ -363,7 +364,8 @@ nouveau_drm_unload(struct drm_device *dev)
 
        nouveau_pm_fini(dev);
 
-       nouveau_display_fini(dev);
+       if (dev->mode_config.num_crtc)
+               nouveau_display_fini(dev);
        nouveau_display_destroy(dev);
 
        nouveau_irq_fini(dev);
@@ -403,13 +405,15 @@ nouveau_drm_suspend(struct pci_dev *pdev, pm_message_t pm_state)
            pm_state.event == PM_EVENT_PRETHAW)
                return 0;
 
-       NV_INFO(drm, "suspending fbcon...\n");
-       nouveau_fbcon_set_suspend(dev, 1);
+       if (dev->mode_config.num_crtc) {
+               NV_INFO(drm, "suspending fbcon...\n");
+               nouveau_fbcon_set_suspend(dev, 1);
 
-       NV_INFO(drm, "suspending display...\n");
-       ret = nouveau_display_suspend(dev);
-       if (ret)
-               return ret;
+               NV_INFO(drm, "suspending display...\n");
+               ret = nouveau_display_suspend(dev);
+               if (ret)
+                       return ret;
+       }
 
        NV_INFO(drm, "evicting buffers...\n");
        ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
@@ -445,8 +449,10 @@ fail_client:
                nouveau_client_init(&cli->base);
        }
 
-       NV_INFO(drm, "resuming display...\n");
-       nouveau_display_resume(dev);
+       if (dev->mode_config.num_crtc) {
+               NV_INFO(drm, "resuming display...\n");
+               nouveau_display_resume(dev);
+       }
        return ret;
 }
 
@@ -486,8 +492,10 @@ nouveau_drm_resume(struct pci_dev *pdev)
        nouveau_irq_postinstall(dev);
        nouveau_pm_resume(dev);
 
-       NV_INFO(drm, "resuming display...\n");
-       nouveau_display_resume(dev);
+       if (dev->mode_config.num_crtc) {
+               NV_INFO(drm, "resuming display...\n");
+               nouveau_display_resume(dev);
+       }
        return 0;
 }
 
@@ -662,9 +670,7 @@ nouveau_drm_init(void)
 #ifdef CONFIG_VGA_CONSOLE
                if (vgacon_text_force())
                        nouveau_modeset = 0;
-               else
 #endif
-                       nouveau_modeset = 1;
        }
 
        if (!nouveau_modeset)
index 819471217546b23cb867e3e583ed856d5d810ea2..a10169927086dfea6c826dac0378ae1d2c82ffb3 100644 (file)
@@ -141,4 +141,6 @@ int nouveau_drm_resume(struct pci_dev *);
                nv_info((cli), fmt, ##args);                                   \
 } while (0)
 
+extern int nouveau_modeset;
+
 #endif
index 9ca8afdb5549777c7a2b25e64de9b63f700260bc..1d8cb506a28ae5159ebe4c9df362f3f0d92d7758 100644 (file)
@@ -61,13 +61,15 @@ nouveau_irq_handler(DRM_IRQ_ARGS)
 
        nv_subdev(pmc)->intr(nv_subdev(pmc));
 
-       if (device->card_type >= NV_D0) {
-               if (nv_rd32(device, 0x000100) & 0x04000000)
-                       nvd0_display_intr(dev);
-       } else
-       if (device->card_type >= NV_50) {
-               if (nv_rd32(device, 0x000100) & 0x04000000)
-                       nv50_display_intr(dev);
+       if (dev->mode_config.num_crtc) {
+               if (device->card_type >= NV_D0) {
+                       if (nv_rd32(device, 0x000100) & 0x04000000)
+                               nvd0_display_intr(dev);
+               } else
+               if (device->card_type >= NV_50) {
+                       if (nv_rd32(device, 0x000100) & 0x04000000)
+                               nv50_display_intr(dev);
+               }
        }
 
        return IRQ_HANDLED;
index 347a3bd78d0486f1fed24f11d8183f9382d822dd..64f7020fb605dcaff92163aa161d174ad0d77a23 100644 (file)
@@ -220,7 +220,7 @@ out:
        NVWriteVgaCrtc(dev, 0, NV_CIO_CR_MODE_INDEX, saved_cr_mode);
 
        if (blue == 0x18) {
-               NV_INFO(drm, "Load detected on head A\n");
+               NV_DEBUG(drm, "Load detected on head A\n");
                return connector_status_connected;
        }
 
@@ -338,8 +338,8 @@ nv17_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector)
 
        if (nv17_dac_sample_load(encoder) &
            NV_PRAMDAC_TEST_CONTROL_SENSEB_ALLHI) {
-               NV_INFO(drm, "Load detected on output %c\n",
-                       '@' + ffs(dcb->or));
+               NV_DEBUG(drm, "Load detected on output %c\n",
+                        '@' + ffs(dcb->or));
                return connector_status_connected;
        } else {
                return connector_status_disconnected;
@@ -413,9 +413,9 @@ static void nv04_dac_commit(struct drm_encoder *encoder)
 
        helper->dpms(encoder, DRM_MODE_DPMS_ON);
 
-       NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n",
-               drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base),
-               nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
+       NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n",
+                drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base),
+                nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
 }
 
 void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable)
@@ -461,8 +461,8 @@ static void nv04_dac_dpms(struct drm_encoder *encoder, int mode)
                return;
        nv_encoder->last_dpms = mode;
 
-       NV_INFO(drm, "Setting dpms mode %d on vga encoder (output %d)\n",
-                    mode, nv_encoder->dcb->index);
+       NV_DEBUG(drm, "Setting dpms mode %d on vga encoder (output %d)\n",
+                mode, nv_encoder->dcb->index);
 
        nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON);
 }
index da55d7642c8cdd325ccca35bd8a1d1b1c1bda8f5..184cdf806761c0bc0cefb52af00a8799ae8e6393 100644 (file)
@@ -476,9 +476,9 @@ static void nv04_dfp_commit(struct drm_encoder *encoder)
 
        helper->dpms(encoder, DRM_MODE_DPMS_ON);
 
-       NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n",
-               drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base),
-               nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
+       NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n",
+                drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base),
+                nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
 }
 
 static void nv04_dfp_update_backlight(struct drm_encoder *encoder, int mode)
@@ -520,8 +520,8 @@ static void nv04_lvds_dpms(struct drm_encoder *encoder, int mode)
                return;
        nv_encoder->last_dpms = mode;
 
-       NV_INFO(drm, "Setting dpms mode %d on lvds encoder (output %d)\n",
-                    mode, nv_encoder->dcb->index);
+       NV_DEBUG(drm, "Setting dpms mode %d on lvds encoder (output %d)\n",
+                mode, nv_encoder->dcb->index);
 
        if (was_powersaving && is_powersaving_dpms(mode))
                return;
@@ -565,8 +565,8 @@ static void nv04_tmds_dpms(struct drm_encoder *encoder, int mode)
                return;
        nv_encoder->last_dpms = mode;
 
-       NV_INFO(drm, "Setting dpms mode %d on tmds encoder (output %d)\n",
-                    mode, nv_encoder->dcb->index);
+       NV_DEBUG(drm, "Setting dpms mode %d on tmds encoder (output %d)\n",
+                mode, nv_encoder->dcb->index);
 
        nv04_dfp_update_backlight(encoder, mode);
        nv04_dfp_update_fp_control(encoder, mode);
index 099fbeda6e2e18f85b7dedbc961582516729b50a..62e826a139b3bd4b08d00a0ca46e0efc59c62d63 100644 (file)
@@ -75,8 +75,8 @@ static void nv04_tv_dpms(struct drm_encoder *encoder, int mode)
        struct nv04_mode_state *state = &nv04_display(dev)->mode_reg;
        uint8_t crtc1A;
 
-       NV_INFO(drm, "Setting dpms mode %d on TV encoder (output %d)\n",
-               mode, nv_encoder->dcb->index);
+       NV_DEBUG(drm, "Setting dpms mode %d on TV encoder (output %d)\n",
+                mode, nv_encoder->dcb->index);
 
        state->pllsel &= ~(PLLSEL_TV_CRTC1_MASK | PLLSEL_TV_CRTC2_MASK);
 
@@ -167,9 +167,8 @@ static void nv04_tv_commit(struct drm_encoder *encoder)
 
        helper->dpms(encoder, DRM_MODE_DPMS_ON);
 
-       NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n",
-                     drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), nv_crtc->index,
-                     '@' + ffs(nv_encoder->dcb->or));
+       NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n",
+                drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
 }
 
 static void nv04_tv_destroy(struct drm_encoder *encoder)
index 14313ad43b7680f28b322b913997cf653242bb07..af31f829f4a8bd6910b8e19ec5bff001b660d3e6 100644 (file)
@@ -1372,7 +1372,7 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s
        WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
 
        for (i = 0; i < rdev->num_crtc; i++) {
-               if (save->crtc_enabled) {
+               if (save->crtc_enabled[i]) {
                        if (ASIC_IS_DCE6(rdev)) {
                                tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
                                tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
index 30271b641913f3eeee72dcdc7db7146217c86109..95e6318b62680652a2b600982dda4d7a39368292 100644 (file)
@@ -264,7 +264,7 @@ static int evergreen_surface_check_2d(struct radeon_cs_parser *p,
        /* macro tile width & height */
        palign = (8 * surf->bankw * track->npipes) * surf->mtilea;
        halign = (8 * surf->bankh * surf->nbanks) / surf->mtilea;
-       mtileb = (palign / 8) * (halign / 8) * tileb;;
+       mtileb = (palign / 8) * (halign / 8) * tileb;
        mtile_pr = surf->nbx / palign;
        mtile_ps = (mtile_pr * surf->nby) / halign;
        surf->layer_size = mtile_ps * mtileb * slice_pt;
index 37f6a907aea49c7b1ff3c57628cb281d737d2e69..15f5ded65e0c290e431a73d4d2c950c9fd9d2687 100644 (file)
@@ -352,9 +352,9 @@ static int radeon_atpx_switchto(enum vga_switcheroo_client_id id)
 }
 
 /**
- * radeon_atpx_switchto - switch to the requested GPU
+ * radeon_atpx_power_state - power down/up the requested GPU
  *
- * @id: GPU to switch to
+ * @id: GPU to power down/up
  * @state: requested power state (0 = off, 1 = on)
  *
  * Execute the necessary ATPX function to power down/up the discrete GPU
index 67cfc1795ecdd4560ac720cc85b0e5a17335a507..b884c362a8c2c0770c02ecb09100d1f9440b55ab 100644 (file)
@@ -941,7 +941,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
        struct drm_mode_object *obj;
        int i;
        enum drm_connector_status ret = connector_status_disconnected;
-       bool dret = false;
+       bool dret = false, broken_edid = false;
 
        if (!force && radeon_check_hpd_status_unchanged(connector))
                return connector->status;
@@ -965,6 +965,9 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
                                ret = connector_status_disconnected;
                                DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
                                radeon_connector->ddc_bus = NULL;
+                       } else {
+                               ret = connector_status_connected;
+                               broken_edid = true; /* defer use_digital to later */
                        }
                } else {
                        radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
@@ -1047,13 +1050,24 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
 
                        encoder_funcs = encoder->helper_private;
                        if (encoder_funcs->detect) {
-                               if (ret != connector_status_connected) {
-                                       ret = encoder_funcs->detect(encoder, connector);
-                                       if (ret == connector_status_connected) {
-                                               radeon_connector->use_digital = false;
+                               if (!broken_edid) {
+                                       if (ret != connector_status_connected) {
+                                               /* deal with analog monitors without DDC */
+                                               ret = encoder_funcs->detect(encoder, connector);
+                                               if (ret == connector_status_connected) {
+                                                       radeon_connector->use_digital = false;
+                                               }
+                                               if (ret != connector_status_disconnected)
+                                                       radeon_connector->detected_by_load = true;
                                        }
-                                       if (ret != connector_status_disconnected)
-                                               radeon_connector->detected_by_load = true;
+                               } else {
+                                       enum drm_connector_status lret;
+                                       /* assume digital unless load detected otherwise */
+                                       radeon_connector->use_digital = true;
+                                       lret = encoder_funcs->detect(encoder, connector);
+                                       DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
+                                       if (lret == connector_status_connected)
+                                               radeon_connector->use_digital = false;
                                }
                                break;
                        }
index 5677a424b58535e2bffb0422856e9385182b649c..6857cb4efb768c932f23d4645c3969fd9c792f18 100644 (file)
@@ -295,6 +295,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
        struct drm_device *dev = crtc->dev;
        struct radeon_device *rdev = dev->dev_private;
+       uint32_t crtc_ext_cntl = 0;
        uint32_t mask;
 
        if (radeon_crtc->crtc_id)
@@ -307,6 +308,16 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
                        RADEON_CRTC_VSYNC_DIS |
                        RADEON_CRTC_HSYNC_DIS);
 
+       /*
+        * On all dual CRTC GPUs this bit controls the CRTC of the primary DAC.
+        * Therefore it is set in the DAC DMPS function.
+        * This is different for GPU's with a single CRTC but a primary and a
+        * TV DAC: here it controls the single CRTC no matter where it is
+        * routed. Therefore we set it here.
+        */
+       if (rdev->flags & RADEON_SINGLE_CRTC)
+               crtc_ext_cntl = RADEON_CRTC_CRT_ON;
+       
        switch (mode) {
        case DRM_MODE_DPMS_ON:
                radeon_crtc->enabled = true;
@@ -317,7 +328,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
                else {
                        WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_EN, ~(RADEON_CRTC_EN |
                                                                         RADEON_CRTC_DISP_REQ_EN_B));
-                       WREG32_P(RADEON_CRTC_EXT_CNTL, 0, ~mask);
+                       WREG32_P(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl, ~(mask | crtc_ext_cntl));
                }
                drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
                radeon_crtc_load_lut(crtc);
@@ -331,7 +342,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
                else {
                        WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B, ~(RADEON_CRTC_EN |
                                                                                    RADEON_CRTC_DISP_REQ_EN_B));
-                       WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~mask);
+                       WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~(mask | crtc_ext_cntl));
                }
                radeon_crtc->enabled = false;
                /* adjust pm to dpms changes AFTER disabling crtcs */
index 0063df9d166d70f5267003d24bc078093f2fdf9a..f5ba2241dacc6cfd2bb6b55fead51a7ae2c395e8 100644 (file)
@@ -537,7 +537,9 @@ static void radeon_legacy_primary_dac_dpms(struct drm_encoder *encoder, int mode
                break;
        }
 
-       WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
+       /* handled in radeon_crtc_dpms() */
+       if (!(rdev->flags & RADEON_SINGLE_CRTC))
+               WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
        WREG32(RADEON_DAC_CNTL, dac_cntl);
        WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
 
@@ -662,6 +664,8 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc
 
        if (ASIC_IS_R300(rdev))
                tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT);
+       else if (ASIC_IS_RV100(rdev))
+               tmp |= (0x1ac << RADEON_DAC_FORCE_DATA_SHIFT);
        else
                tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT);
 
@@ -671,6 +675,7 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc
        tmp |= RADEON_DAC_RANGE_CNTL_PS2 | RADEON_DAC_CMP_EN;
        WREG32(RADEON_DAC_CNTL, tmp);
 
+       tmp = dac_macro_cntl;
        tmp &= ~(RADEON_DAC_PDWN_R |
                 RADEON_DAC_PDWN_G |
                 RADEON_DAC_PDWN_B);
@@ -1092,7 +1097,8 @@ static void radeon_legacy_tv_dac_dpms(struct drm_encoder *encoder, int mode)
        } else {
                if (is_tv)
                        WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl);
-               else
+               /* handled in radeon_crtc_dpms() */
+               else if (!(rdev->flags & RADEON_SINGLE_CRTC))
                        WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
                WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
        }
@@ -1416,13 +1422,104 @@ static bool radeon_legacy_tv_detect(struct drm_encoder *encoder,
        return found;
 }
 
+static bool radeon_legacy_ext_dac_detect(struct drm_encoder *encoder,
+                                        struct drm_connector *connector)
+{
+       struct drm_device *dev = encoder->dev;
+       struct radeon_device *rdev = dev->dev_private;
+       uint32_t gpio_monid, fp2_gen_cntl, disp_output_cntl, crtc2_gen_cntl;
+       uint32_t disp_lin_trans_grph_a, disp_lin_trans_grph_b, disp_lin_trans_grph_c;
+       uint32_t disp_lin_trans_grph_d, disp_lin_trans_grph_e, disp_lin_trans_grph_f;
+       uint32_t tmp, crtc2_h_total_disp, crtc2_v_total_disp;
+       uint32_t crtc2_h_sync_strt_wid, crtc2_v_sync_strt_wid;
+       bool found = false;
+       int i;
+
+       /* save the regs we need */
+       gpio_monid = RREG32(RADEON_GPIO_MONID);
+       fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
+       disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
+       crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
+       disp_lin_trans_grph_a = RREG32(RADEON_DISP_LIN_TRANS_GRPH_A);
+       disp_lin_trans_grph_b = RREG32(RADEON_DISP_LIN_TRANS_GRPH_B);
+       disp_lin_trans_grph_c = RREG32(RADEON_DISP_LIN_TRANS_GRPH_C);
+       disp_lin_trans_grph_d = RREG32(RADEON_DISP_LIN_TRANS_GRPH_D);
+       disp_lin_trans_grph_e = RREG32(RADEON_DISP_LIN_TRANS_GRPH_E);
+       disp_lin_trans_grph_f = RREG32(RADEON_DISP_LIN_TRANS_GRPH_F);
+       crtc2_h_total_disp = RREG32(RADEON_CRTC2_H_TOTAL_DISP);
+       crtc2_v_total_disp = RREG32(RADEON_CRTC2_V_TOTAL_DISP);
+       crtc2_h_sync_strt_wid = RREG32(RADEON_CRTC2_H_SYNC_STRT_WID);
+       crtc2_v_sync_strt_wid = RREG32(RADEON_CRTC2_V_SYNC_STRT_WID);
+
+       tmp = RREG32(RADEON_GPIO_MONID);
+       tmp &= ~RADEON_GPIO_A_0;
+       WREG32(RADEON_GPIO_MONID, tmp);
+
+       WREG32(RADEON_FP2_GEN_CNTL, (RADEON_FP2_ON |
+                                    RADEON_FP2_PANEL_FORMAT |
+                                    R200_FP2_SOURCE_SEL_TRANS_UNIT |
+                                    RADEON_FP2_DVO_EN |
+                                    R200_FP2_DVO_RATE_SEL_SDR));
+
+       WREG32(RADEON_DISP_OUTPUT_CNTL, (RADEON_DISP_DAC_SOURCE_RMX |
+                                        RADEON_DISP_TRANS_MATRIX_GRAPHICS));
+
+       WREG32(RADEON_CRTC2_GEN_CNTL, (RADEON_CRTC2_EN |
+                                      RADEON_CRTC2_DISP_REQ_EN_B));
+
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, 0x00000000);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, 0x000003f0);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, 0x00000000);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, 0x000003f0);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, 0x00000000);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, 0x000003f0);
+
+       WREG32(RADEON_CRTC2_H_TOTAL_DISP, 0x01000008);
+       WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, 0x00000800);
+       WREG32(RADEON_CRTC2_V_TOTAL_DISP, 0x00080001);
+       WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, 0x00000080);
+
+       for (i = 0; i < 200; i++) {
+               tmp = RREG32(RADEON_GPIO_MONID);
+               if (tmp & RADEON_GPIO_Y_0)
+                       found = true;
+
+               if (found)
+                       break;
+
+               if (!drm_can_sleep())
+                       mdelay(1);
+               else
+                       msleep(1);
+       }
+
+       /* restore the regs we used */
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, disp_lin_trans_grph_a);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, disp_lin_trans_grph_b);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, disp_lin_trans_grph_c);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, disp_lin_trans_grph_d);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, disp_lin_trans_grph_e);
+       WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, disp_lin_trans_grph_f);
+       WREG32(RADEON_CRTC2_H_TOTAL_DISP, crtc2_h_total_disp);
+       WREG32(RADEON_CRTC2_V_TOTAL_DISP, crtc2_v_total_disp);
+       WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, crtc2_h_sync_strt_wid);
+       WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, crtc2_v_sync_strt_wid);
+       WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
+       WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
+       WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
+       WREG32(RADEON_GPIO_MONID, gpio_monid);
+
+       return found;
+}
+
 static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder *encoder,
                                                             struct drm_connector *connector)
 {
        struct drm_device *dev = encoder->dev;
        struct radeon_device *rdev = dev->dev_private;
-       uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
-       uint32_t disp_hw_debug, disp_output_cntl, gpiopad_a, pixclks_cntl, tmp;
+       uint32_t crtc2_gen_cntl = 0, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
+       uint32_t gpiopad_a = 0, pixclks_cntl, tmp;
+       uint32_t disp_output_cntl = 0, disp_hw_debug = 0, crtc_ext_cntl = 0;
        enum drm_connector_status found = connector_status_disconnected;
        struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
        struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
@@ -1459,12 +1556,27 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder
                return connector_status_disconnected;
        }
 
+       /* R200 uses an external DAC for secondary DAC */
+       if (rdev->family == CHIP_R200) {
+               if (radeon_legacy_ext_dac_detect(encoder, connector))
+                       found = connector_status_connected;
+               return found;
+       }
+
        /* save the regs we need */
        pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
-       gpiopad_a = ASIC_IS_R300(rdev) ? RREG32(RADEON_GPIOPAD_A) : 0;
-       disp_output_cntl = ASIC_IS_R300(rdev) ? RREG32(RADEON_DISP_OUTPUT_CNTL) : 0;
-       disp_hw_debug = ASIC_IS_R300(rdev) ? 0 : RREG32(RADEON_DISP_HW_DEBUG);
-       crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
+
+       if (rdev->flags & RADEON_SINGLE_CRTC) {
+               crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
+       } else {
+               if (ASIC_IS_R300(rdev)) {
+                       gpiopad_a = RREG32(RADEON_GPIOPAD_A);
+                       disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
+               } else {
+                       disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
+               }
+               crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
+       }
        tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
        dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
        dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
@@ -1473,22 +1585,24 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder
                               | RADEON_PIX2CLK_DAC_ALWAYS_ONb);
        WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
 
-       if (ASIC_IS_R300(rdev))
-               WREG32_P(RADEON_GPIOPAD_A, 1, ~1);
-
-       tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK;
-       tmp |= RADEON_CRTC2_CRT2_ON |
-               (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT);
-
-       WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
-
-       if (ASIC_IS_R300(rdev)) {
-               tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
-               tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
-               WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
+       if (rdev->flags & RADEON_SINGLE_CRTC) {
+               tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON;
+               WREG32(RADEON_CRTC_EXT_CNTL, tmp);
        } else {
-               tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL;
-               WREG32(RADEON_DISP_HW_DEBUG, tmp);
+               tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK;
+               tmp |= RADEON_CRTC2_CRT2_ON |
+                       (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT);
+               WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
+
+               if (ASIC_IS_R300(rdev)) {
+                       WREG32_P(RADEON_GPIOPAD_A, 1, ~1);
+                       tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
+                       tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
+                       WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
+               } else {
+                       tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL;
+                       WREG32(RADEON_DISP_HW_DEBUG, tmp);
+               }
        }
 
        tmp = RADEON_TV_DAC_NBLANK |
@@ -1530,14 +1644,19 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder
        WREG32(RADEON_DAC_CNTL2, dac_cntl2);
        WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
        WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
-       WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
 
-       if (ASIC_IS_R300(rdev)) {
-               WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
-               WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
+       if (rdev->flags & RADEON_SINGLE_CRTC) {
+               WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
        } else {
-               WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
+               WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
+               if (ASIC_IS_R300(rdev)) {
+                       WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
+                       WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
+               } else {
+                       WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
+               }
        }
+
        WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
 
        return found;
index fccd361f7b50b4e4d4bd072afac3f32869da3da7..87aa5f5d3c88657b8c55055608a65baa271c4c94 100644 (file)
@@ -104,7 +104,7 @@ udl_fb_user_fb_create(struct drm_device *dev,
 
 int udl_render_hline(struct drm_device *dev, int bpp, struct urb **urb_ptr,
                     const char *front, char **urb_buf_ptr,
-                    u32 byte_offset, u32 byte_width,
+                    u32 byte_offset, u32 device_byte_offset, u32 byte_width,
                     int *ident_ptr, int *sent_ptr);
 
 int udl_dumb_create(struct drm_file *file_priv,
index 69a2b16f42a60284d2d8eecb8ae1fe01fe8e2ced..d4ab3beaada027825d6182a1330b79bd75d220d4 100644 (file)
@@ -114,9 +114,10 @@ static void udlfb_dpy_deferred_io(struct fb_info *info,
        list_for_each_entry(cur, &fbdefio->pagelist, lru) {
 
                if (udl_render_hline(dev, (ufbdev->ufb.base.bits_per_pixel / 8),
-                                 &urb, (char *) info->fix.smem_start,
-                                 &cmd, cur->index << PAGE_SHIFT,
-                                 PAGE_SIZE, &bytes_identical, &bytes_sent))
+                                    &urb, (char *) info->fix.smem_start,
+                                    &cmd, cur->index << PAGE_SHIFT,
+                                    cur->index << PAGE_SHIFT,
+                                    PAGE_SIZE, &bytes_identical, &bytes_sent))
                        goto error;
                bytes_rendered += PAGE_SIZE;
        }
@@ -187,10 +188,11 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
        for (i = y; i < y + height ; i++) {
                const int line_offset = fb->base.pitches[0] * i;
                const int byte_offset = line_offset + (x * bpp);
-
+               const int dev_byte_offset = (fb->base.width * bpp * i) + (x * bpp);
                if (udl_render_hline(dev, bpp, &urb,
                                     (char *) fb->obj->vmapping,
-                                    &cmd, byte_offset, width * bpp,
+                                    &cmd, byte_offset, dev_byte_offset,
+                                    width * bpp,
                                     &bytes_identical, &bytes_sent))
                        goto error;
        }
index dc095526ffb750124573b9c2a9e472a4bbe82101..142fee5f983f9aa36c8fff99b3ddaf4d4eba78cd 100644 (file)
@@ -213,11 +213,12 @@ static void udl_compress_hline16(
  */
 int udl_render_hline(struct drm_device *dev, int bpp, struct urb **urb_ptr,
                     const char *front, char **urb_buf_ptr,
-                    u32 byte_offset, u32 byte_width,
+                    u32 byte_offset, u32 device_byte_offset,
+                    u32 byte_width,
                     int *ident_ptr, int *sent_ptr)
 {
        const u8 *line_start, *line_end, *next_pixel;
-       u32 base16 = 0 + (byte_offset / bpp) * 2;
+       u32 base16 = 0 + (device_byte_offset / bpp) * 2;
        struct urb *urb = *urb_ptr;
        u8 *cmd = *urb_buf_ptr;
        u8 *cmd_end = (u8 *) urb->transfer_buffer + urb->transfer_buffer_length;
index 06ebdbb6ea0207f8d92d691d15c00434f4fab21a..fd7722aecf77929eea158263af6cc1b601287408 100644 (file)
@@ -522,6 +522,12 @@ static const struct hid_device_id apple_devices[] = {
                .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS),
                .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
+       { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI),
+               .driver_data = APPLE_HAS_FN },
+       { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO),
+               .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
+       { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS),
+               .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI),
                .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO),
index bd3971bf31bf7bc4369911a648b02c8729a3004d..f4109fd657ff7a337761f9029969dde8ee71e3cc 100644 (file)
@@ -1532,6 +1532,9 @@ static const struct hid_device_id hid_have_special_driver[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
@@ -2139,6 +2142,9 @@ static const struct hid_device_id hid_mouse_ignore_list[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
        { }
index 269b50912a4ae9207d1d04f2e014b3c950f20324..9d7a42857ea190a9b9fbc12582582b8ae97ebd2a 100644 (file)
 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI  0x0252
 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO   0x0253
 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS   0x0254
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI  0x0259
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO   0x025a
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS   0x025b
 #define USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI  0x0249
 #define USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO   0x024a
 #define USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS   0x024b
index 3acdcfcc17df24f696ed7b440f6a29540456e33e..f676c01bb4710e8b786d388fbd453f27d8220a68 100644 (file)
 #define MS_RDESC               0x08
 #define MS_NOGET               0x10
 #define MS_DUPLICATE_USAGES    0x20
+#define MS_RDESC_3K            0x40
 
-/*
- * Microsoft Wireless Desktop Receiver (Model 1028) has
- * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
- */
 static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc,
                unsigned int *rsize)
 {
        unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
 
+       /*
+        * Microsoft Wireless Desktop Receiver (Model 1028) has
+        * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
+        */
        if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 &&
                        rdesc[559] == 0x29) {
                hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n");
                rdesc[557] = 0x35;
                rdesc[559] = 0x45;
        }
+       /* the same as above (s/usage/physical/) */
+       if ((quirks & MS_RDESC_3K) && *rsize == 106 &&
+                       !memcmp((char []){ 0x19, 0x00, 0x29, 0xff },
+                               &rdesc[94], 4)) {
+               rdesc[94] = 0x35;
+               rdesc[96] = 0x45;
+       }
        return rdesc;
 }
 
@@ -192,7 +200,7 @@ static const struct hid_device_id ms_devices[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB),
                .driver_data = MS_PRESENTER },
        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K),
-               .driver_data = MS_ERGONOMY },
+               .driver_data = MS_ERGONOMY | MS_RDESC_3K },
        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0),
                .driver_data = MS_NOGET },
        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500),
index 3eb02b94fc87c8a3bc903474db7c3b55efd5ead5..7867d69f0efe1cd734c57e7e4627eb9aaf7a367e 100644 (file)
@@ -210,8 +210,7 @@ static struct mt_class mt_classes[] = {
        },
        { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
                .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
-                       MT_QUIRK_SLOT_IS_CONTACTNUMBER,
-               .maxcontacts = 10
+                       MT_QUIRK_SLOT_IS_CONTACTNUMBER
        },
 
        { .name = MT_CLS_FLATFROG,
@@ -421,11 +420,11 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
                         * contact max are global to the report */
                        td->last_field_index = field->index;
                        return -1;
-               }
                case HID_DG_TOUCH:
                        /* Legacy devices use TIPSWITCH and not TOUCH.
                         * Let's just ignore this field. */
                        return -1;
+               }
                /* let hid-input decide for the others */
                return 0;
 
index a227be47149f473bfd6fc2d41a8de99f842056fd..520e5bf4f76d9f8cd1b16edf5610554fde103181 100644 (file)
@@ -32,7 +32,7 @@
  * ASB100-A supports pwm1, while plain ASB100 does not.  There is no known
  * way for the driver to tell which one is there.
  *
- * Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+ * Chip                #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  * asb100      7       3       1       4       0x31    0x0694  yes     no
  */
 
index 68ad7d2555124a45f2d9008374d973d4b6de3b04..4f4110407387fce21c4e58cdc76dfec6093b6183 100644 (file)
@@ -2,7 +2,7 @@
  * fam15h_power.c - AMD Family 15h processor power monitoring
  *
  * Copyright (c) 2011 Advanced Micro Devices, Inc.
- * Author: Andreas Herrmann <andreas.herrmann3@amd.com>
+ * Author: Andreas Herrmann <herrmann.der.user@googlemail.com>
  *
  *
  * This driver is free software; you can redistribute it and/or
@@ -28,7 +28,7 @@
 #include <asm/processor.h>
 
 MODULE_DESCRIPTION("AMD Family 15h CPU processor power monitor");
-MODULE_AUTHOR("Andreas Herrmann <andreas.herrmann3@amd.com>");
+MODULE_AUTHOR("Andreas Herrmann <herrmann.der.user@googlemail.com>");
 MODULE_LICENSE("GPL");
 
 /* D18F3 */
index 36509ae32083d2b3e48ec894768c504e1179577c..1381a2e3bbd4dc09dca9e74c87dd4ad2ce5ebc50 100644 (file)
@@ -630,7 +630,9 @@ static struct platform_driver gpio_fan_driver = {
        .driver = {
                .name   = "gpio-fan",
                .pm     = GPIO_FAN_PM,
+#ifdef CONFIG_OF_GPIO
                .of_match_table = of_match_ptr(of_gpio_fan_match),
+#endif
        },
 };
 
index 1821b7423d5b77ae5a9e6cdd2794a7e1b9a2c173..de3c7e04c3b5b21ae095f6f91308d1fb97eb6e64 100644 (file)
@@ -2083,6 +2083,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
        mutex_init(&data->lock);
        mutex_init(&data->update_lock);
        data->name = w83627ehf_device_names[sio_data->kind];
+       data->bank = 0xff;              /* Force initial bank selection */
        platform_set_drvdata(pdev, data);
 
        /* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */
index 5b1a6a666441f242ac63f21d9b9359464ced3f97..af15899087095044c623b4ddf0aeadbb15ed8801 100644 (file)
@@ -25,7 +25,7 @@
 /*
  * Supports following chips:
  *
- * Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+ * Chip                #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  * w83627hf    9       3       2       3       0x20    0x5ca3  no      yes(LPC)
  * w83627thf   7       3       3       3       0x90    0x5ca3  no      yes(LPC)
  * w83637hf    7       3       3       3       0x80    0x5ca3  no      yes(LPC)
index 5a5046d94c3eee8288cf5871655fffa973d97977..20f11d31da407f5545af8b7082187c518721522a 100644 (file)
@@ -24,7 +24,7 @@
 /*
  * Supports following chips:
  *
- * Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+ * Chip                #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  * as99127f    7       3       0       3       0x31    0x12c3  yes     no
  * as99127f rev.2 (type_name = as99127f)       0x31    0x5ca3  yes     no
  * w83781d     7       3       0       3       0x10-1  0x5ca3  yes     yes
index 39ab7bcc616e7a9e8733ce9bbbcc7e3cf6b0b970..ed397c6451983473b9ca7d1dbac399194a746fb3 100644 (file)
@@ -22,7 +22,7 @@
 /*
  * Supports following chips:
  *
- * Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+ * Chip                #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  * w83791d     10      5       5       3       0x71    0x5ca3  yes     no
  *
  * The w83791d chip appears to be part way between the 83781d and the
index 053645279f381b453396053dfb71294346604717..301942d084534ef748f1917b1fa3dccde1b8beed 100644 (file)
@@ -31,7 +31,7 @@
 /*
  * Supports following chips:
  *
- * Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+ * Chip                #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  * w83792d     9       7       7       3       0x7a    0x5ca3  yes     no
  */
 
index f0e8286c3c70ed7c1c2a57a73b19cc06fec8a193..79710bcac2f724233746b9c416fd53384dd52e52 100644 (file)
@@ -20,7 +20,7 @@
 /*
  * Supports following chips:
  *
- * Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+ * Chip                #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
  * w83l786ng   3       2       2       2       0x7b    0x5ca3  yes     no
  */
 
index 1f58197062cfe120b8987236044afbeec5e397df..286ca191782098fe44f8a9c995b0015e2e3693ef 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * Freescale MXS I2C bus driver
  *
- * Copyright (C) 2011 Wolfram Sang, Pengutronix e.K.
+ * Copyright (C) 2011-2012 Wolfram Sang, Pengutronix e.K.
  *
  * based on a (non-working) driver which was:
  *
 
 #define DRIVER_NAME "mxs-i2c"
 
-static bool use_pioqueue;
-module_param(use_pioqueue, bool, 0);
-MODULE_PARM_DESC(use_pioqueue, "Use PIOQUEUE mode for transfer instead of DMA");
-
 #define MXS_I2C_CTRL0          (0x00)
 #define MXS_I2C_CTRL0_SET      (0x04)
 
@@ -75,23 +71,6 @@ MODULE_PARM_DESC(use_pioqueue, "Use PIOQUEUE mode for transfer instead of DMA");
                                 MXS_I2C_CTRL1_SLAVE_STOP_IRQ | \
                                 MXS_I2C_CTRL1_SLAVE_IRQ)
 
-#define MXS_I2C_QUEUECTRL      (0x60)
-#define MXS_I2C_QUEUECTRL_SET  (0x64)
-#define MXS_I2C_QUEUECTRL_CLR  (0x68)
-
-#define MXS_I2C_QUEUECTRL_QUEUE_RUN            0x20
-#define MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE       0x04
-
-#define MXS_I2C_QUEUESTAT      (0x70)
-#define MXS_I2C_QUEUESTAT_RD_QUEUE_EMPTY        0x00002000
-#define MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK 0x0000001F
-
-#define MXS_I2C_QUEUECMD       (0x80)
-
-#define MXS_I2C_QUEUEDATA      (0x90)
-
-#define MXS_I2C_DATA           (0xa0)
-
 
 #define MXS_CMD_I2C_SELECT     (MXS_I2C_CTRL0_RETAIN_CLOCK |   \
                                 MXS_I2C_CTRL0_PRE_SEND_START | \
@@ -153,7 +132,6 @@ struct mxs_i2c_dev {
        const struct mxs_i2c_speed_config *speed;
 
        /* DMA support components */
-       bool                            dma_mode;
        int                             dma_channel;
        struct dma_chan                 *dmach;
        struct mxs_dma_data             dma_data;
@@ -172,99 +150,6 @@ static void mxs_i2c_reset(struct mxs_i2c_dev *i2c)
        writel(i2c->speed->timing2, i2c->regs + MXS_I2C_TIMING2);
 
        writel(MXS_I2C_IRQ_MASK << 8, i2c->regs + MXS_I2C_CTRL1_SET);
-       if (i2c->dma_mode)
-               writel(MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE,
-                       i2c->regs + MXS_I2C_QUEUECTRL_CLR);
-       else
-               writel(MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE,
-                       i2c->regs + MXS_I2C_QUEUECTRL_SET);
-}
-
-static void mxs_i2c_pioq_setup_read(struct mxs_i2c_dev *i2c, u8 addr, int len,
-                                       int flags)
-{
-       u32 data;
-
-       writel(MXS_CMD_I2C_SELECT, i2c->regs + MXS_I2C_QUEUECMD);
-
-       data = (addr << 1) | I2C_SMBUS_READ;
-       writel(data, i2c->regs + MXS_I2C_DATA);
-
-       data = MXS_CMD_I2C_READ | MXS_I2C_CTRL0_XFER_COUNT(len) | flags;
-       writel(data, i2c->regs + MXS_I2C_QUEUECMD);
-}
-
-static void mxs_i2c_pioq_setup_write(struct mxs_i2c_dev *i2c,
-                                   u8 addr, u8 *buf, int len, int flags)
-{
-       u32 data;
-       int i, shifts_left;
-
-       data = MXS_CMD_I2C_WRITE | MXS_I2C_CTRL0_XFER_COUNT(len + 1) | flags;
-       writel(data, i2c->regs + MXS_I2C_QUEUECMD);
-
-       /*
-        * We have to copy the slave address (u8) and buffer (arbitrary number
-        * of u8) into the data register (u32). To achieve that, the u8 are put
-        * into the MSBs of 'data' which is then shifted for the next u8. When
-        * appropriate, 'data' is written to MXS_I2C_DATA. So, the first u32
-        * looks like this:
-        *
-        *  3          2          1          0
-        * 10987654|32109876|54321098|76543210
-        * --------+--------+--------+--------
-        * buffer+2|buffer+1|buffer+0|slave_addr
-        */
-
-       data = ((addr << 1) | I2C_SMBUS_WRITE) << 24;
-
-       for (i = 0; i < len; i++) {
-               data >>= 8;
-               data |= buf[i] << 24;
-               if ((i & 3) == 2)
-                       writel(data, i2c->regs + MXS_I2C_DATA);
-       }
-
-       /* Write out the remaining bytes if any */
-       shifts_left = 24 - (i & 3) * 8;
-       if (shifts_left)
-               writel(data >> shifts_left, i2c->regs + MXS_I2C_DATA);
-}
-
-/*
- * TODO: should be replaceable with a waitqueue and RD_QUEUE_IRQ (setting the
- * rd_threshold to 1). Couldn't get this to work, though.
- */
-static int mxs_i2c_wait_for_data(struct mxs_i2c_dev *i2c)
-{
-       unsigned long timeout = jiffies + msecs_to_jiffies(1000);
-
-       while (readl(i2c->regs + MXS_I2C_QUEUESTAT)
-                       & MXS_I2C_QUEUESTAT_RD_QUEUE_EMPTY) {
-                       if (time_after(jiffies, timeout))
-                               return -ETIMEDOUT;
-                       cond_resched();
-       }
-
-       return 0;
-}
-
-static int mxs_i2c_finish_read(struct mxs_i2c_dev *i2c, u8 *buf, int len)
-{
-       u32 uninitialized_var(data);
-       int i;
-
-       for (i = 0; i < len; i++) {
-               if ((i & 3) == 0) {
-                       if (mxs_i2c_wait_for_data(i2c))
-                               return -ETIMEDOUT;
-                       data = readl(i2c->regs + MXS_I2C_QUEUEDATA);
-               }
-               buf[i] = data & 0xff;
-               data >>= 8;
-       }
-
-       return 0;
 }
 
 static void mxs_i2c_dma_finish(struct mxs_i2c_dev *i2c)
@@ -432,39 +317,17 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg,
        init_completion(&i2c->cmd_complete);
        i2c->cmd_err = 0;
 
-       if (i2c->dma_mode) {
-               ret = mxs_i2c_dma_setup_xfer(adap, msg, flags);
-               if (ret)
-                       return ret;
-       } else {
-               if (msg->flags & I2C_M_RD) {
-                       mxs_i2c_pioq_setup_read(i2c, msg->addr,
-                                               msg->len, flags);
-               } else {
-                       mxs_i2c_pioq_setup_write(i2c, msg->addr, msg->buf,
-                                               msg->len, flags);
-               }
-
-               writel(MXS_I2C_QUEUECTRL_QUEUE_RUN,
-                       i2c->regs + MXS_I2C_QUEUECTRL_SET);
-       }
+       ret = mxs_i2c_dma_setup_xfer(adap, msg, flags);
+       if (ret)
+               return ret;
 
        ret = wait_for_completion_timeout(&i2c->cmd_complete,
                                                msecs_to_jiffies(1000));
        if (ret == 0)
                goto timeout;
 
-       if (!i2c->dma_mode && !i2c->cmd_err && (msg->flags & I2C_M_RD)) {
-               ret = mxs_i2c_finish_read(i2c, msg->buf, msg->len);
-               if (ret)
-                       goto timeout;
-       }
-
        if (i2c->cmd_err == -ENXIO)
                mxs_i2c_reset(i2c);
-       else
-               writel(MXS_I2C_QUEUECTRL_QUEUE_RUN,
-                               i2c->regs + MXS_I2C_QUEUECTRL_CLR);
 
        dev_dbg(i2c->dev, "Done with err=%d\n", i2c->cmd_err);
 
@@ -472,8 +335,7 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg,
 
 timeout:
        dev_dbg(i2c->dev, "Timeout!\n");
-       if (i2c->dma_mode)
-               mxs_i2c_dma_finish(i2c);
+       mxs_i2c_dma_finish(i2c);
        mxs_i2c_reset(i2c);
        return -ETIMEDOUT;
 }
@@ -502,7 +364,6 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id)
 {
        struct mxs_i2c_dev *i2c = dev_id;
        u32 stat = readl(i2c->regs + MXS_I2C_CTRL1) & MXS_I2C_IRQ_MASK;
-       bool is_last_cmd;
 
        if (!stat)
                return IRQ_NONE;
@@ -515,14 +376,6 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id)
                /* MXS_I2C_CTRL1_OVERSIZE_XFER_TERM_IRQ is only for slaves */
                i2c->cmd_err = -EIO;
 
-       if (!i2c->dma_mode) {
-               is_last_cmd = (readl(i2c->regs + MXS_I2C_QUEUESTAT) &
-                       MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK) == 0;
-
-               if (is_last_cmd || i2c->cmd_err)
-                       complete(&i2c->cmd_complete);
-       }
-
        writel(stat, i2c->regs + MXS_I2C_CTRL1_CLR);
 
        return IRQ_HANDLED;
@@ -555,15 +408,6 @@ static int mxs_i2c_get_ofdata(struct mxs_i2c_dev *i2c)
        struct device_node *node = dev->of_node;
        int ret;
 
-       /*
-        * The MXS I2C DMA mode is prefered and enabled by default.
-        * The PIO mode is still supported, but should be used only
-        * for debuging purposes etc.
-        */
-       i2c->dma_mode = !use_pioqueue;
-       if (!i2c->dma_mode)
-               dev_info(dev, "Using PIOQUEUE mode for I2C transfers!\n");
-
        /*
         * TODO: This is a temporary solution and should be changed
         * to use generic DMA binding later when the helpers get in.
@@ -571,8 +415,8 @@ static int mxs_i2c_get_ofdata(struct mxs_i2c_dev *i2c)
        ret = of_property_read_u32(node, "fsl,i2c-dma-channel",
                                   &i2c->dma_channel);
        if (ret) {
-               dev_warn(dev, "Failed to get DMA channel, using PIOQUEUE!\n");
-               i2c->dma_mode = 0;
+               dev_err(dev, "Failed to get DMA channel!\n");
+               return -ENODEV;
        }
 
        ret = of_property_read_u32(node, "clock-frequency", &speed);
@@ -634,15 +478,13 @@ static int __devinit mxs_i2c_probe(struct platform_device *pdev)
        }
 
        /* Setup the DMA */
-       if (i2c->dma_mode) {
-               dma_cap_zero(mask);
-               dma_cap_set(DMA_SLAVE, mask);
-               i2c->dma_data.chan_irq = dmairq;
-               i2c->dmach = dma_request_channel(mask, mxs_i2c_dma_filter, i2c);
-               if (!i2c->dmach) {
-                       dev_err(dev, "Failed to request dma\n");
-                       return -ENODEV;
-               }
+       dma_cap_zero(mask);
+       dma_cap_set(DMA_SLAVE, mask);
+       i2c->dma_data.chan_irq = dmairq;
+       i2c->dmach = dma_request_channel(mask, mxs_i2c_dma_filter, i2c);
+       if (!i2c->dmach) {
+               dev_err(dev, "Failed to request dma\n");
+               return -ENODEV;
        }
 
        platform_set_drvdata(pdev, i2c);
index 698d7acb0f083c10ea2028ad895e58043105f44e..02c3115a2dfa11c0aecf5a5c7e6bc24566539c8b 100644 (file)
@@ -644,7 +644,11 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
 
        pm_runtime_get_sync(&dev->adev->dev);
 
-       clk_enable(dev->clk);
+       status = clk_prepare_enable(dev->clk);
+       if (status) {
+               dev_err(&dev->adev->dev, "can't prepare_enable clock\n");
+               goto out_clk;
+       }
 
        status = init_hw(dev);
        if (status)
@@ -671,7 +675,8 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
        }
 
 out:
-       clk_disable(dev->clk);
+       clk_disable_unprepare(dev->clk);
+out_clk:
        pm_runtime_put_sync(&dev->adev->dev);
 
        dev->busy = false;
index f981ac4e6783104ee8586e2631fc58f788d49be6..dcea77bf6f50ff2cc1c198e7850bbbe138128238 100644 (file)
@@ -742,7 +742,7 @@ static int __devinit tegra_i2c_probe(struct platform_device *pdev)
        }
 
        ret = devm_request_irq(&pdev->dev, i2c_dev->irq,
-                       tegra_i2c_isr, 0, pdev->name, i2c_dev);
+                       tegra_i2c_isr, 0, dev_name(&pdev->dev), i2c_dev);
        if (ret) {
                dev_err(&pdev->dev, "Failed to request irq %i\n", i2c_dev->irq);
                return ret;
index b4b65af8612a3f03a79ea19422873cd777f39b76..de0874054e9faebde97690fdb23986d268cbf95d 100644 (file)
@@ -335,6 +335,7 @@ config KEYBOARD_LOCOMO
 config KEYBOARD_LPC32XX
        tristate "LPC32XX matrix key scanner support"
        depends on ARCH_LPC32XX && OF
+       select INPUT_MATRIXKMAP
        help
          Say Y here if you want to use NXP LPC32XX SoC key scanner interface,
          connected to a key matrix.
index 803ff6fe021ec001393a5a9844dd825cbcb6235d..cad9d5dd597330b2eaa523b046f33edddb3641bb 100644 (file)
@@ -368,6 +368,9 @@ static void pxa27x_keypad_config(struct pxa27x_keypad *keypad)
        unsigned int mask = 0, direct_key_num = 0;
        unsigned long kpc = 0;
 
+       /* clear pending interrupt bit */
+       keypad_readl(KPC);
+
        /* enable matrix keys with automatic scan */
        if (pdata->matrix_key_rows && pdata->matrix_key_cols) {
                kpc |= KPC_ASACT | KPC_MIE | KPC_ME | KPC_MS_ALL;
index 02ca8680ea5b8f68393cecc3925792fc74236614..6f7d99013031b66f16d2c4e25f06dd3c352a622c 100644 (file)
@@ -311,7 +311,6 @@ static void xenkbd_backend_changed(struct xenbus_device *dev,
        case XenbusStateReconfiguring:
        case XenbusStateReconfigured:
        case XenbusStateUnknown:
-       case XenbusStateClosed:
                break;
 
        case XenbusStateInitWait:
@@ -350,6 +349,10 @@ InitWait:
 
                break;
 
+       case XenbusStateClosed:
+               if (dev->state == XenbusStateClosed)
+                       break;
+               /* Missed the backend's CLOSING state -- fallthrough */
        case XenbusStateClosing:
                xenbus_frontend_closed(dev);
                break;
index 3a78f235fa3e70b8057b929a2c4e2e763141cd9f..2baff1b79a5596eb33eaaaa31577c193d80f099e 100644 (file)
 #define USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI   0x0262
 #define USB_DEVICE_ID_APPLE_WELLSPRING7_ISO    0x0263
 #define USB_DEVICE_ID_APPLE_WELLSPRING7_JIS    0x0264
+/* MacbookPro10,2 (unibody, October 2012) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI  0x0259
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO   0x025a
+#define USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS   0x025b
 
 #define BCM5974_DEVICE(prod) {                                 \
        .match_flags = (USB_DEVICE_ID_MATCH_DEVICE |            \
@@ -137,6 +141,10 @@ static const struct usb_device_id bcm5974_table[] = {
        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI),
        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ISO),
        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_JIS),
+       /* MacbookPro10,2 */
+       BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI),
+       BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO),
+       BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS),
        /* Terminating entry */
        {}
 };
@@ -379,6 +387,19 @@ static const struct bcm5974_config bcm5974_config_table[] = {
                { SN_COORD, -150, 6730 },
                { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
        },
+       {
+               USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI,
+               USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO,
+               USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS,
+               HAS_INTEGRATED_BUTTON,
+               0x84, sizeof(struct bt_data),
+               0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+               { SN_PRESSURE, 0, 300 },
+               { SN_WIDTH, 0, 2048 },
+               { SN_COORD, -4750, 5280 },
+               { SN_COORD, -150, 6730 },
+               { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION }
+       },
        {}
 };
 
index 2c1e12bf2ab424e87f49ed14e57e9b9125aa9831..858ad446de91b338553d6577bb6d1ac886c1fbb5 100644 (file)
@@ -391,7 +391,7 @@ static int wacom_parse_hid(struct usb_interface *intf,
                                                        features->pktlen = WACOM_PKGLEN_TPC2FG;
                                                }
 
-                                               if (features->type == MTSCREEN || WACOM_24HDT)
+                                               if (features->type == MTSCREEN || features->type == WACOM_24HDT)
                                                        features->pktlen = WACOM_PKGLEN_MTOUCH;
 
                                                if (features->type == BAMBOO_PT) {
index aa6010131179588bb75ea3326843df499db7aaf1..0a67031ffc131a2559d6573d5c3cf65173edd9c6 100644 (file)
@@ -1518,6 +1518,9 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
 
                input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
                input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
+
+               __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
+
                wacom_setup_cintiq(wacom_wac);
                break;
 
index 1ba232cbc09d4e8744e1a827c3939ad7292e85a6..f7668b24c378aeed3b4ca4fc1c09d025255eccc1 100644 (file)
@@ -239,7 +239,7 @@ config TOUCHSCREEN_EETI
 
 config TOUCHSCREEN_EGALAX
        tristate "EETI eGalax multi-touch panel support"
-       depends on I2C
+       depends on I2C && OF
        help
          Say Y here to enable support for I2C connected EETI
          eGalax multi-touch panels.
index c1e3460f1195aed3953c0e09542c9718d8664421..13fa62fdfb0b4160f76484bd2aadc92151597ab8 100644 (file)
@@ -28,6 +28,7 @@
 #include <linux/slab.h>
 #include <linux/bitops.h>
 #include <linux/input/mt.h>
+#include <linux/of_gpio.h>
 
 /*
  * Mouse Mode: some panel may configure the controller to mouse mode,
@@ -122,9 +123,17 @@ static irqreturn_t egalax_ts_interrupt(int irq, void *dev_id)
 /* wake up controller by an falling edge of interrupt gpio.  */
 static int egalax_wake_up_device(struct i2c_client *client)
 {
-       int gpio = irq_to_gpio(client->irq);
+       struct device_node *np = client->dev.of_node;
+       int gpio;
        int ret;
 
+       if (!np)
+               return -ENODEV;
+
+       gpio = of_get_named_gpio(np, "wakeup-gpios", 0);
+       if (!gpio_is_valid(gpio))
+               return -ENODEV;
+
        ret = gpio_request(gpio, "egalax_irq");
        if (ret < 0) {
                dev_err(&client->dev,
@@ -181,7 +190,11 @@ static int __devinit egalax_ts_probe(struct i2c_client *client,
        ts->input_dev = input_dev;
 
        /* controller may be in sleep, wake it up. */
-       egalax_wake_up_device(client);
+       error = egalax_wake_up_device(client);
+       if (error) {
+               dev_err(&client->dev, "Failed to wake up the controller\n");
+               goto err_free_dev;
+       }
 
        ret = egalax_firmware_version(client);
        if (ret < 0) {
@@ -274,11 +287,17 @@ static int egalax_ts_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(egalax_ts_pm_ops, egalax_ts_suspend, egalax_ts_resume);
 
+static struct of_device_id egalax_ts_dt_ids[] = {
+       { .compatible = "eeti,egalax_ts" },
+       { /* sentinel */ }
+};
+
 static struct i2c_driver egalax_ts_driver = {
        .driver = {
                .name   = "egalax_ts",
                .owner  = THIS_MODULE,
                .pm     = &egalax_ts_pm_ops,
+               .of_match_table = of_match_ptr(egalax_ts_dt_ids),
        },
        .id_table       = egalax_ts_id,
        .probe          = egalax_ts_probe,
index 63209aaa55f01f1baf65a8a1632c8c2ce4056870..eb96f168fb9d53c68032c172faec9d2652dcfa70 100644 (file)
@@ -107,7 +107,6 @@ static int tsc_connect(struct serio *serio, struct serio_driver *drv)
        __set_bit(BTN_TOUCH, input_dev->keybit);
        input_set_abs_params(ptsc->dev, ABS_X, 0, 0x3ff, 0, 0);
        input_set_abs_params(ptsc->dev, ABS_Y, 0, 0x3ff, 0, 0);
-       input_set_abs_params(ptsc->dev, ABS_PRESSURE, 0, 0, 0, 0);
 
        serio_set_drvdata(serio, ptsc);
 
index 45135f69509c89e83b6cc7190f1f25972ae28076..5e7dc772f5deca223ea9142d073cc66785f54b27 100644 (file)
@@ -315,8 +315,11 @@ static int run(struct mddev *mddev)
        }
        conf->nfaults = 0;
 
-       rdev_for_each(rdev, mddev)
+       rdev_for_each(rdev, mddev) {
                conf->rdev = rdev;
+               disk_stack_limits(mddev->gendisk, rdev->bdev,
+                                 rdev->data_offset << 9);
+       }
 
        md_set_array_sectors(mddev, faulty_size(mddev, 0, 0));
        mddev->private = conf;
index 8034fbd6190ce647ec2feb6a281e4bb32b406f8e..636bae0405e8167edcec328e5759b3f949dd0876 100644 (file)
@@ -2710,7 +2710,7 @@ static struct r1conf *setup_conf(struct mddev *mddev)
                    || disk_idx < 0)
                        continue;
                if (test_bit(Replacement, &rdev->flags))
-                       disk = conf->mirrors + conf->raid_disks + disk_idx;
+                       disk = conf->mirrors + mddev->raid_disks + disk_idx;
                else
                        disk = conf->mirrors + disk_idx;
 
index 906ccbd0f7dcdc6710869c5b990f9375d020d370..d1295aff41739eea048f0e43513dfba6ade4c8f1 100644 (file)
@@ -1783,7 +1783,7 @@ static int raid10_add_disk(struct mddev *mddev, struct md_rdev *rdev)
                clear_bit(Unmerged, &rdev->flags);
        }
        md_integrity_add_rdev(rdev, mddev);
-       if (blk_queue_discard(bdev_get_queue(rdev->bdev)))
+       if (mddev->queue && blk_queue_discard(bdev_get_queue(rdev->bdev)))
                queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue);
 
        print_conf(conf);
@@ -3613,11 +3613,14 @@ static int run(struct mddev *mddev)
                        discard_supported = true;
        }
 
-       if (discard_supported)
-               queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue);
-       else
-               queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, mddev->queue);
-
+       if (mddev->queue) {
+               if (discard_supported)
+                       queue_flag_set_unlocked(QUEUE_FLAG_DISCARD,
+                                               mddev->queue);
+               else
+                       queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD,
+                                                 mddev->queue);
+       }
        /* need to check that every block has at least one working mirror */
        if (!enough(conf, -1)) {
                printk(KERN_ERR "md/raid10:%s: not enough operational mirrors.\n",
index dc15d248443fd833ae17199a41f28ab6712b5d5c..ef8d2a080d17f4c61b8f28aa7e07bc54ed5c0abc 100644 (file)
@@ -1060,7 +1060,7 @@ static ssize_t bonding_store_primary(struct device *d,
                goto out;
        }
 
-       sscanf(buf, "%16s", ifname); /* IFNAMSIZ */
+       sscanf(buf, "%15s", ifname); /* IFNAMSIZ */
 
        /* check to see if we are clearing primary */
        if (!strlen(ifname) || buf[0] == '\n') {
@@ -1237,7 +1237,7 @@ static ssize_t bonding_store_active_slave(struct device *d,
                goto out;
        }
 
-       sscanf(buf, "%16s", ifname); /* IFNAMSIZ */
+       sscanf(buf, "%15s", ifname); /* IFNAMSIZ */
 
        /* check to see if we are clearing active */
        if (!strlen(ifname) || buf[0] == '\n') {
index e2e45ee5df33fcc75c491c78643dfe406297aabb..6dd0dd076cc527434e64569d64c8cd37d48a33df 100644 (file)
 #define LINK_20GTFD            LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
 #define LINK_20GXFD            LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
 
-
+#define LINK_UPDATE_MASK \
+                       (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
+                        LINK_STATUS_LINK_UP | \
+                        LINK_STATUS_PHYSICAL_LINK_FLAG | \
+                        LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
+                        LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
+                        LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
+                        LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
+                        LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
+                        LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
 
 #define SFP_EEPROM_CON_TYPE_ADDR               0x2
        #define SFP_EEPROM_CON_TYPE_VAL_LC      0x7
@@ -3295,6 +3304,21 @@ static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
               DEFAULT_PHY_DEV_ADDR);
 }
 
+static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
+                                    struct link_params *params,
+                                    u32 action)
+{
+       struct bnx2x *bp = params->bp;
+       switch (action) {
+       case PHY_INIT:
+               /* Set correct devad */
+               REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
+               REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
+                      phy->def_md_devad);
+               break;
+       }
+}
+
 static void bnx2x_xgxs_deassert(struct link_params *params)
 {
        struct bnx2x *bp = params->bp;
@@ -3309,10 +3333,8 @@ static void bnx2x_xgxs_deassert(struct link_params *params)
        REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
        udelay(500);
        REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
-
-       REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
-       REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
-              params->phy[INT_PHY].def_md_devad);
+       bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
+                                PHY_INIT);
 }
 
 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
@@ -3545,14 +3567,11 @@ static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
 static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
                                        struct link_params *params,
                                        struct link_vars *vars) {
-       u16 val16 = 0, lane, i;
+       u16 lane, i, cl72_ctrl, an_adv = 0;
+       u16 ucode_ver;
        struct bnx2x *bp = params->bp;
        static struct bnx2x_reg_set reg_set[] = {
                {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
-               {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
-               {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0},
-               {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff},
-               {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555},
                {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
                {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
                {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
@@ -3565,12 +3584,19 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
                bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
                                 reg_set[i].val);
 
+       bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+               MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
+       cl72_ctrl &= 0xf8ff;
+       cl72_ctrl |= 0x3800;
+       bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+               MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
+
        /* Check adding advertisement for 1G KX */
        if (((vars->line_speed == SPEED_AUTO_NEG) &&
             (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
            (vars->line_speed == SPEED_1000)) {
                u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
-               val16 |= (1<<5);
+               an_adv |= (1<<5);
 
                /* Enable CL37 1G Parallel Detect */
                bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
@@ -3580,11 +3606,14 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
             (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
            (vars->line_speed ==  SPEED_10000)) {
                /* Check adding advertisement for 10G KR */
-               val16 |= (1<<7);
+               an_adv |= (1<<7);
                /* Enable 10G Parallel Detect */
+               CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+                                 MDIO_AER_BLOCK_AER_REG, 0);
+
                bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
                                 MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
-
+               bnx2x_set_aer_mmd(params, phy);
                DP(NETIF_MSG_LINK, "Advertize 10G\n");
        }
 
@@ -3604,7 +3633,7 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
 
        /* Advertised speeds */
        bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
-                        MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
+                        MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
 
        /* Advertised and set FEC (Forward Error Correction) */
        bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
@@ -3628,9 +3657,10 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
        /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
         */
        bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
-                       MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
-       if (val16 < 0xd108) {
-               DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
+                       MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
+       if (ucode_ver < 0xd108) {
+               DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
+                              ucode_ver);
                vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
        }
        bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
@@ -3651,21 +3681,16 @@ static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
                                      struct link_vars *vars)
 {
        struct bnx2x *bp = params->bp;
-       u16 i;
+       u16 val16, i, lane;
        static struct bnx2x_reg_set reg_set[] = {
                /* Disable Autoneg */
                {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
-               {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
                {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
                        0x3f00},
                {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
                {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
                {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
                {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
-               /* Disable CL36 PCS Tx */
-               {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0},
-               /* Double Wide Single Data Rate @ pll rate */
-               {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF},
                /* Leave cl72 training enable, needed for KR */
                {MDIO_PMA_DEVAD,
                MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
@@ -3676,11 +3701,24 @@ static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
                bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
                                 reg_set[i].val);
 
-       /* Leave CL72 enabled */
-       bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
-                                MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
-                                0x3800);
+       lane = bnx2x_get_warpcore_lane(phy, params);
+       /* Global registers */
+       CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
+                         MDIO_AER_BLOCK_AER_REG, 0);
+       /* Disable CL36 PCS Tx */
+       bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+                       MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
+       val16 &= ~(0x0011 << lane);
+       bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+                        MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
 
+       bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+                       MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
+       val16 |= (0x0303 << (lane << 1));
+       bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+                        MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
+       /* Restore AER */
+       bnx2x_set_aer_mmd(params, phy);
        /* Set speed via PMA/PMD register */
        bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
                         MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
@@ -4303,7 +4341,7 @@ static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
                                      struct link_params *params)
 {
        struct bnx2x *bp = params->bp;
-       u16 val16;
+       u16 val16, lane;
        bnx2x_sfp_e3_set_transmitter(params, phy, 0);
        bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
        bnx2x_set_aer_mmd(params, phy);
@@ -4340,6 +4378,30 @@ static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
                         MDIO_WC_REG_XGXSBLK1_LANECTRL2,
                         val16 & 0xff00);
 
+       lane = bnx2x_get_warpcore_lane(phy, params);
+       /* Disable CL36 PCS Tx */
+       bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+                       MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
+       val16 |= (0x11 << lane);
+       if (phy->flags & FLAGS_WC_DUAL_MODE)
+               val16 |= (0x22 << lane);
+       bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+                        MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
+
+       bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
+                       MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
+       val16 &= ~(0x0303 << (lane << 1));
+       val16 |= (0x0101 << (lane << 1));
+       if (phy->flags & FLAGS_WC_DUAL_MODE) {
+               val16 &= ~(0x0c0c << (lane << 1));
+               val16 |= (0x0404 << (lane << 1));
+       }
+
+       bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+                        MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
+       /* Restore AER */
+       bnx2x_set_aer_mmd(params, phy);
+
 }
 
 static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
@@ -6296,15 +6358,7 @@ static int bnx2x_update_link_down(struct link_params *params,
        vars->mac_type = MAC_TYPE_NONE;
 
        /* Update shared memory */
-       vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
-                              LINK_STATUS_LINK_UP |
-                              LINK_STATUS_PHYSICAL_LINK_FLAG |
-                              LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
-                              LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
-                              LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
-                              LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
-                              LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
-                              LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
+       vars->link_status &= ~LINK_UPDATE_MASK;
        vars->line_speed = 0;
        bnx2x_update_mng(params, vars->link_status);
 
@@ -6452,6 +6506,7 @@ int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
        u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
        u8 active_external_phy = INT_PHY;
        vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
+       vars->link_status &= ~LINK_UPDATE_MASK;
        for (phy_index = INT_PHY; phy_index < params->num_phys;
              phy_index++) {
                phy_vars[phy_index].flow_ctrl = 0;
@@ -7579,7 +7634,7 @@ static void bnx2x_warpcore_power_module(struct link_params *params,
 static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
                                                 struct link_params *params,
                                                 u16 addr, u8 byte_cnt,
-                                                u8 *o_buf)
+                                                u8 *o_buf, u8 is_init)
 {
        int rc = 0;
        u8 i, j = 0, cnt = 0;
@@ -7596,10 +7651,10 @@ static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
        /* 4 byte aligned address */
        addr32 = addr & (~0x3);
        do {
-               if (cnt == I2C_WA_PWR_ITER) {
+               if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
                        bnx2x_warpcore_power_module(params, phy, 0);
                        /* Note that 100us are not enough here */
-                       usleep_range(1000,1000);
+                       usleep_range(1000, 2000);
                        bnx2x_warpcore_power_module(params, phy, 1);
                }
                rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
@@ -7719,7 +7774,7 @@ int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
        break;
        case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
                rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
-                                                          byte_cnt, o_buf);
+                                                          byte_cnt, o_buf, 0);
        break;
        }
        return rc;
@@ -7923,6 +7978,7 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
 
 {
        u8 val;
+       int rc;
        struct bnx2x *bp = params->bp;
        u16 timeout;
        /* Initialization time after hot-plug may take up to 300ms for
@@ -7930,8 +7986,14 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
         */
 
        for (timeout = 0; timeout < 60; timeout++) {
-               if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
-                   == 0) {
+               if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
+                       rc = bnx2x_warpcore_read_sfp_module_eeprom(phy,
+                                                                  params, 1,
+                                                                  1, &val, 1);
+               else
+                       rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1,
+                                                         &val);
+               if (rc == 0) {
                        DP(NETIF_MSG_LINK,
                           "SFP+ module initialization took %d ms\n",
                           timeout * 5);
@@ -7939,7 +8001,8 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
                }
                usleep_range(5000, 10000);
        }
-       return -EINVAL;
+       rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val);
+       return rc;
 }
 
 static void bnx2x_8727_power_module(struct bnx2x *bp,
@@ -10993,7 +11056,7 @@ static struct bnx2x_phy phy_xgxs = {
        .format_fw_ver  = (format_fw_ver_t)NULL,
        .hw_reset       = (hw_reset_t)NULL,
        .set_link_led   = (set_link_led_t)NULL,
-       .phy_specific_func = (phy_specific_func_t)NULL
+       .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
 };
 static struct bnx2x_phy phy_warpcore = {
        .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
@@ -11465,6 +11528,11 @@ static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
                        phy->media_type = ETH_PHY_BASE_T;
                        break;
                case PORT_HW_CFG_NET_SERDES_IF_XFI:
+                       phy->supported &= (SUPPORTED_1000baseT_Full |
+                                          SUPPORTED_10000baseT_Full |
+                                          SUPPORTED_FIBRE |
+                                          SUPPORTED_Pause |
+                                          SUPPORTED_Asym_Pause);
                        phy->media_type = ETH_PHY_XFP_FIBER;
                        break;
                case PORT_HW_CFG_NET_SERDES_IF_SFI:
index d5648fc666bdf6f663505bbb433abebac08dbd48..bd1fd3d87c24d3979f01a0e9864af9866c62b9aa 100644 (file)
@@ -6794,8 +6794,9 @@ static int bnx2x_init_hw_port(struct bnx2x *bp)
 
        bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
 
+       bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
+
        if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
-               bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
 
                if (IS_MF(bp))
                        low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
@@ -11902,7 +11903,15 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev,
        /* disable FCOE L2 queue for E1x */
        if (CHIP_IS_E1x(bp))
                bp->flags |= NO_FCOE_FLAG;
-
+       /* disable FCOE for 57840 device, until FW supports it */
+       switch (ent->driver_data) {
+       case BCM57840_O:
+       case BCM57840_4_10:
+       case BCM57840_2_20:
+       case BCM57840_MFO:
+       case BCM57840_MF:
+               bp->flags |= NO_FCOE_FLAG;
+       }
 #endif
 
 
index c1cde11b0c6d5114e62ba400caab0195905ada3d..0df1284df497d8247fbf602d6578381099619d06 100644 (file)
@@ -3415,16 +3415,6 @@ static int adap_init0_config(struct adapter *adapter, int reset)
                         "mismatch: [fini] csum=%#x, computed csum=%#x\n",
                         finicsum, cfcsum);
 
-       /*
-        * If we're a pure NIC driver then disable all offloading facilities.
-        * This will allow the firmware to optimize aspects of the hardware
-        * configuration which will result in improved performance.
-        */
-       caps_cmd.ofldcaps = 0;
-       caps_cmd.iscsicaps = 0;
-       caps_cmd.rdmacaps = 0;
-       caps_cmd.fcoecaps = 0;
-
        /*
         * And now tell the firmware to use the configuration we just loaded.
         */
index 56b20d17d0e4c5577828040fddf8bd294868c84d..116f0e901bee2305324c4fa9035d19e6c5676b37 100644 (file)
@@ -2673,6 +2673,9 @@ static int ixgbe_get_ts_info(struct net_device *dev,
        case ixgbe_mac_X540:
        case ixgbe_mac_82599EB:
                info->so_timestamping =
+                       SOF_TIMESTAMPING_TX_SOFTWARE |
+                       SOF_TIMESTAMPING_RX_SOFTWARE |
+                       SOF_TIMESTAMPING_SOFTWARE |
                        SOF_TIMESTAMPING_TX_HARDWARE |
                        SOF_TIMESTAMPING_RX_HARDWARE |
                        SOF_TIMESTAMPING_RAW_HARDWARE;
index 53743f7a2ca9604d6f264de3a2e3c727556a0619..af8b4142088c3d6a9114fd8c218336f54fcbcc19 100644 (file)
@@ -1524,6 +1524,7 @@ static int lpc_eth_drv_remove(struct platform_device *pdev)
                                  pldat->dma_buff_base_p);
        free_irq(ndev->irq, ndev);
        iounmap(pldat->net_base);
+       mdiobus_unregister(pldat->mii_bus);
        mdiobus_free(pldat->mii_bus);
        clk_disable(pldat->clk);
        clk_put(pldat->clk);
index daec9b05d168ca4f0f103f3638fcc3259e9ea304..6428fcbbdd4bf4f6967e7eb3fee32e97fceba566 100644 (file)
@@ -234,6 +234,7 @@ void free_mdio_bitbang(struct mii_bus *bus)
        struct mdiobb_ctrl *ctrl = bus->priv;
 
        module_put(ctrl->ops->owner);
+       mdiobus_unregister(bus);
        mdiobus_free(bus);
 }
 EXPORT_SYMBOL(free_mdio_bitbang);
index ce9d4f2c9776e08d1b543f18de8cb7100fe43a86..0ae1bcc6da730fecd4267f0076b3f3ef422ea7ce 100644 (file)
@@ -744,28 +744,43 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx,
 
        for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
                const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i];
+               u32 buf_size;
 
-               tbi = tq->buf_info + tq->tx_ring.next2fill;
-               tbi->map_type = VMXNET3_MAP_PAGE;
-               tbi->dma_addr = skb_frag_dma_map(&adapter->pdev->dev, frag,
-                                                0, skb_frag_size(frag),
-                                                DMA_TO_DEVICE);
+               buf_offset = 0;
+               len = skb_frag_size(frag);
+               while (len) {
+                       tbi = tq->buf_info + tq->tx_ring.next2fill;
+                       if (len < VMXNET3_MAX_TX_BUF_SIZE) {
+                               buf_size = len;
+                               dw2 |= len;
+                       } else {
+                               buf_size = VMXNET3_MAX_TX_BUF_SIZE;
+                               /* spec says that for TxDesc.len, 0 == 2^14 */
+                       }
+                       tbi->map_type = VMXNET3_MAP_PAGE;
+                       tbi->dma_addr = skb_frag_dma_map(&adapter->pdev->dev, frag,
+                                                        buf_offset, buf_size,
+                                                        DMA_TO_DEVICE);
 
-               tbi->len = skb_frag_size(frag);
+                       tbi->len = buf_size;
 
-               gdesc = tq->tx_ring.base + tq->tx_ring.next2fill;
-               BUG_ON(gdesc->txd.gen == tq->tx_ring.gen);
+                       gdesc = tq->tx_ring.base + tq->tx_ring.next2fill;
+                       BUG_ON(gdesc->txd.gen == tq->tx_ring.gen);
 
-               gdesc->txd.addr = cpu_to_le64(tbi->dma_addr);
-               gdesc->dword[2] = cpu_to_le32(dw2 | skb_frag_size(frag));
-               gdesc->dword[3] = 0;
+                       gdesc->txd.addr = cpu_to_le64(tbi->dma_addr);
+                       gdesc->dword[2] = cpu_to_le32(dw2);
+                       gdesc->dword[3] = 0;
 
-               dev_dbg(&adapter->netdev->dev,
-                       "txd[%u]: 0x%llu %u %u\n",
-                       tq->tx_ring.next2fill, le64_to_cpu(gdesc->txd.addr),
-                       le32_to_cpu(gdesc->dword[2]), gdesc->dword[3]);
-               vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring);
-               dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT;
+                       dev_dbg(&adapter->netdev->dev,
+                               "txd[%u]: 0x%llu %u %u\n",
+                               tq->tx_ring.next2fill, le64_to_cpu(gdesc->txd.addr),
+                               le32_to_cpu(gdesc->dword[2]), gdesc->dword[3]);
+                       vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring);
+                       dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT;
+
+                       len -= buf_size;
+                       buf_offset += buf_size;
+               }
        }
 
        ctx->eop_txd = gdesc;
@@ -886,6 +901,18 @@ vmxnet3_prepare_tso(struct sk_buff *skb,
        }
 }
 
+static int txd_estimate(const struct sk_buff *skb)
+{
+       int count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) + 1;
+       int i;
+
+       for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+               const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i];
+
+               count += VMXNET3_TXD_NEEDED(skb_frag_size(frag));
+       }
+       return count;
+}
 
 /*
  * Transmits a pkt thru a given tq
@@ -914,9 +941,7 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
        union Vmxnet3_GenericDesc tempTxDesc;
 #endif
 
-       /* conservatively estimate # of descriptors to use */
-       count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) +
-               skb_shinfo(skb)->nr_frags + 1;
+       count = txd_estimate(skb);
 
        ctx.ipv4 = (vlan_get_protocol(skb) == cpu_to_be16(ETH_P_IP));
 
index 607976c001626a75afbf590411bf6ec1bbff26c0..7b4adde93c016b7e020306220e372524da9f5deb 100644 (file)
@@ -816,7 +816,7 @@ static void vxlan_cleanup(unsigned long arg)
                                = container_of(p, struct vxlan_fdb, hlist);
                        unsigned long timeout;
 
-                       if (f->state == NUD_PERMANENT)
+                       if (f->state & NUD_PERMANENT)
                                continue;
 
                        timeout = f->used + vxlan->age_interval * HZ;
index 378bd70256b2c7b8ad6358b2488919198dc42950..741918a2027b56ebe0f561d5175e8a129b8a3059 100644 (file)
@@ -312,6 +312,7 @@ static struct ath_buf *ath_tx_get_buffer(struct ath_softc *sc)
        }
 
        bf = list_first_entry(&sc->tx.txbuf, struct ath_buf, list);
+       bf->bf_next = NULL;
        list_del(&bf->list);
 
        spin_unlock_bh(&sc->tx.txbuflock);
@@ -393,7 +394,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
        u16 seq_st = 0, acked_cnt = 0, txfail_cnt = 0, seq_first;
        u32 ba[WME_BA_BMP_SIZE >> 5];
        int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0;
-       bool rc_update = true;
+       bool rc_update = true, isba;
        struct ieee80211_tx_rate rates[4];
        struct ath_frame_info *fi;
        int nframes;
@@ -437,13 +438,17 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
        tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
        tid = ATH_AN_2_TID(an, tidno);
        seq_first = tid->seq_start;
+       isba = ts->ts_flags & ATH9K_TX_BA;
 
        /*
         * The hardware occasionally sends a tx status for the wrong TID.
         * In this case, the BA status cannot be considered valid and all
         * subframes need to be retransmitted
+        *
+        * Only BlockAcks have a TID and therefore normal Acks cannot be
+        * checked
         */
-       if (tidno != ts->tid)
+       if (isba && tidno != ts->tid)
                txok = false;
 
        isaggr = bf_isaggr(bf);
@@ -1774,6 +1779,7 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
        list_add_tail(&bf->list, &bf_head);
        bf->bf_state.bf_type = 0;
 
+       bf->bf_next = NULL;
        bf->bf_lastbf = bf;
        ath_tx_fill_desc(sc, bf, txq, fi->framelen);
        ath_tx_txqaddbuf(sc, txq, &bf_head, false);
index 01dc8891070c3729c37b08cce18506ab583c4761..59474ae0aec0d14e7dfc2639c19cf65b82b3b7ea 100644 (file)
@@ -2449,7 +2449,7 @@ static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
        /*
         * Check if temperature compensation is supported.
         */
-       if (tssi_bounds[4] == 0xff)
+       if (tssi_bounds[4] == 0xff || step == 0xff)
                return 0;
 
        /*
index bd4708a422cd78b09fd8594ded593af775343398..20fd974f903afd5d4ae15c95db2549d49db52849 100644 (file)
@@ -149,6 +149,7 @@ qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha)
 int
 qla24xx_disable_vp(scsi_qla_host_t *vha)
 {
+       unsigned long flags;
        int ret;
 
        ret = qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL);
@@ -156,7 +157,9 @@ qla24xx_disable_vp(scsi_qla_host_t *vha)
        atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 
        /* Remove port id from vp target map */
+       spin_lock_irqsave(&vha->hw->vport_slock, flags);
        qlt_update_vp_map(vha, RESET_AL_PA);
+       spin_unlock_irqrestore(&vha->hw->vport_slock, flags);
 
        qla2x00_mark_vp_devices_dead(vha);
        atomic_set(&vha->vp_state, VP_FAILED);
index 0e09d8f433d1683e61ba61074d7c67b71919d970..62aa5584f64478d286e373414dd8b119315a5204 100644 (file)
@@ -557,6 +557,7 @@ static bool qlt_check_fcport_exist(struct scsi_qla_host *vha,
        int pmap_len;
        fc_port_t *fcport;
        int global_resets;
+       unsigned long flags;
 
 retry:
        global_resets = atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count);
@@ -625,10 +626,10 @@ retry:
            sess->s_id.b.area, sess->loop_id, fcport->d_id.b.domain,
            fcport->d_id.b.al_pa, fcport->d_id.b.area, fcport->loop_id);
 
-       sess->s_id = fcport->d_id;
-       sess->loop_id = fcport->loop_id;
-       sess->conf_compl_supported = !!(fcport->flags &
-           FCF_CONF_COMP_SUPPORTED);
+       spin_lock_irqsave(&ha->hardware_lock, flags);
+       ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id,
+                               (fcport->flags & FCF_CONF_COMP_SUPPORTED));
+       spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
        res = true;
 
@@ -740,10 +741,9 @@ static struct qla_tgt_sess *qlt_create_sess(
                                qlt_undelete_sess(sess);
 
                        kref_get(&sess->se_sess->sess_kref);
-                       sess->s_id = fcport->d_id;
-                       sess->loop_id = fcport->loop_id;
-                       sess->conf_compl_supported = !!(fcport->flags &
-                           FCF_CONF_COMP_SUPPORTED);
+                       ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id,
+                                               (fcport->flags & FCF_CONF_COMP_SUPPORTED));
+
                        if (sess->local && !local)
                                sess->local = 0;
                        spin_unlock_irqrestore(&ha->hardware_lock, flags);
@@ -796,8 +796,7 @@ static struct qla_tgt_sess *qlt_create_sess(
         */
        kref_get(&sess->se_sess->sess_kref);
 
-       sess->conf_compl_supported = !!(fcport->flags &
-           FCF_CONF_COMP_SUPPORTED);
+       sess->conf_compl_supported = (fcport->flags & FCF_CONF_COMP_SUPPORTED);
        BUILD_BUG_ON(sizeof(sess->port_name) != sizeof(fcport->port_name));
        memcpy(sess->port_name, fcport->port_name, sizeof(sess->port_name));
 
@@ -869,10 +868,8 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
                        ql_dbg(ql_dbg_tgt_mgt, vha, 0xf007,
                            "Reappeared sess %p\n", sess);
                }
-               sess->s_id = fcport->d_id;
-               sess->loop_id = fcport->loop_id;
-               sess->conf_compl_supported = !!(fcport->flags &
-                   FCF_CONF_COMP_SUPPORTED);
+               ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id,
+                                       (fcport->flags & FCF_CONF_COMP_SUPPORTED));
        }
 
        if (sess && sess->local) {
index 170af1571214095fe82db73fa52f520c16a8197b..bad749561ec2ae4fe57e3ea28763ec627f0b18f1 100644 (file)
@@ -648,6 +648,7 @@ struct qla_tgt_func_tmpl {
 
        int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *,
                                        void *, uint8_t *, uint16_t);
+       void (*update_sess)(struct qla_tgt_sess *, port_id_t, uint16_t, bool);
        struct qla_tgt_sess *(*find_sess_by_loop_id)(struct scsi_qla_host *,
                                                const uint16_t);
        struct qla_tgt_sess *(*find_sess_by_s_id)(struct scsi_qla_host *,
index 2358c16c4c8ea8a0cdb85c33c2c97a5b4e65c400..3d74f2f39ae18954ac825f4599b689d770f494cf 100644 (file)
@@ -237,7 +237,7 @@ static char *tcm_qla2xxx_get_fabric_wwn(struct se_portal_group *se_tpg)
                                struct tcm_qla2xxx_tpg, se_tpg);
        struct tcm_qla2xxx_lport *lport = tpg->lport;
 
-       return &lport->lport_name[0];
+       return lport->lport_naa_name;
 }
 
 static char *tcm_qla2xxx_npiv_get_fabric_wwn(struct se_portal_group *se_tpg)
@@ -1457,6 +1457,78 @@ static int tcm_qla2xxx_check_initiator_node_acl(
        return 0;
 }
 
+static void tcm_qla2xxx_update_sess(struct qla_tgt_sess *sess, port_id_t s_id,
+                                   uint16_t loop_id, bool conf_compl_supported)
+{
+       struct qla_tgt *tgt = sess->tgt;
+       struct qla_hw_data *ha = tgt->ha;
+       struct tcm_qla2xxx_lport *lport = ha->tgt.target_lport_ptr;
+       struct se_node_acl *se_nacl = sess->se_sess->se_node_acl;
+       struct tcm_qla2xxx_nacl *nacl = container_of(se_nacl,
+                       struct tcm_qla2xxx_nacl, se_node_acl);
+       u32 key;
+
+
+       if (sess->loop_id != loop_id || sess->s_id.b24 != s_id.b24)
+               pr_info("Updating session %p from port %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x loop_id %d -> %d s_id %x:%x:%x -> %x:%x:%x\n",
+                       sess,
+                       sess->port_name[0], sess->port_name[1],
+                       sess->port_name[2], sess->port_name[3],
+                       sess->port_name[4], sess->port_name[5],
+                       sess->port_name[6], sess->port_name[7],
+                       sess->loop_id, loop_id,
+                       sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa,
+                       s_id.b.domain, s_id.b.area, s_id.b.al_pa);
+
+       if (sess->loop_id != loop_id) {
+               /*
+                * Because we can shuffle loop IDs around and we
+                * update different sessions non-atomically, we might
+                * have overwritten this session's old loop ID
+                * already, and we might end up overwriting some other
+                * session that will be updated later.  So we have to
+                * be extra careful and we can't warn about those things...
+                */
+               if (lport->lport_loopid_map[sess->loop_id].se_nacl == se_nacl)
+                       lport->lport_loopid_map[sess->loop_id].se_nacl = NULL;
+
+               lport->lport_loopid_map[loop_id].se_nacl = se_nacl;
+
+               sess->loop_id = loop_id;
+       }
+
+       if (sess->s_id.b24 != s_id.b24) {
+               key = (((u32) sess->s_id.b.domain << 16) |
+                      ((u32) sess->s_id.b.area   <<  8) |
+                      ((u32) sess->s_id.b.al_pa));
+
+               if (btree_lookup32(&lport->lport_fcport_map, key))
+                       WARN(btree_remove32(&lport->lport_fcport_map, key) != se_nacl,
+                            "Found wrong se_nacl when updating s_id %x:%x:%x\n",
+                            sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa);
+               else
+                       WARN(1, "No lport_fcport_map entry for s_id %x:%x:%x\n",
+                            sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa);
+
+               key = (((u32) s_id.b.domain << 16) |
+                      ((u32) s_id.b.area   <<  8) |
+                      ((u32) s_id.b.al_pa));
+
+               if (btree_lookup32(&lport->lport_fcport_map, key)) {
+                       WARN(1, "Already have lport_fcport_map entry for s_id %x:%x:%x\n",
+                            s_id.b.domain, s_id.b.area, s_id.b.al_pa);
+                       btree_update32(&lport->lport_fcport_map, key, se_nacl);
+               } else {
+                       btree_insert32(&lport->lport_fcport_map, key, se_nacl, GFP_ATOMIC);
+               }
+
+               sess->s_id = s_id;
+               nacl->nport_id = key;
+       }
+
+       sess->conf_compl_supported = conf_compl_supported;
+}
+
 /*
  * Calls into tcm_qla2xxx used by qla2xxx LLD I/O path.
  */
@@ -1467,6 +1539,7 @@ static struct qla_tgt_func_tmpl tcm_qla2xxx_template = {
        .free_cmd               = tcm_qla2xxx_free_cmd,
        .free_mcmd              = tcm_qla2xxx_free_mcmd,
        .free_session           = tcm_qla2xxx_free_session,
+       .update_sess            = tcm_qla2xxx_update_sess,
        .check_initiator_node_acl = tcm_qla2xxx_check_initiator_node_acl,
        .find_sess_by_s_id      = tcm_qla2xxx_find_sess_by_s_id,
        .find_sess_by_loop_id   = tcm_qla2xxx_find_sess_by_loop_id,
@@ -1534,6 +1607,7 @@ static struct se_wwn *tcm_qla2xxx_make_lport(
        lport->lport_wwpn = wwpn;
        tcm_qla2xxx_format_wwn(&lport->lport_name[0], TCM_QLA2XXX_NAMELEN,
                                wwpn);
+       sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) wwpn);
 
        ret = tcm_qla2xxx_init_lport(lport);
        if (ret != 0)
@@ -1601,6 +1675,7 @@ static struct se_wwn *tcm_qla2xxx_npiv_make_lport(
        lport->lport_npiv_wwnn = npiv_wwnn;
        tcm_qla2xxx_npiv_format_wwn(&lport->lport_npiv_name[0],
                        TCM_QLA2XXX_NAMELEN, npiv_wwpn, npiv_wwnn);
+       sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) npiv_wwpn);
 
 /* FIXME: tcm_qla2xxx_npiv_make_lport */
        ret = -ENOSYS;
index 8254981033524466bc372ac4bbd067aa5d19cc5b..9ba075fe9781f0148dca9aa73b6525e554a91154 100644 (file)
@@ -61,6 +61,8 @@ struct tcm_qla2xxx_lport {
        u64 lport_npiv_wwnn;
        /* ASCII formatted WWPN for FC Target Lport */
        char lport_name[TCM_QLA2XXX_NAMELEN];
+       /* ASCII formatted naa WWPN for VPD page 83 etc */
+       char lport_naa_name[TCM_QLA2XXX_NAMELEN];
        /* ASCII formatted WWPN+WWNN for NPIV FC Target Lport */
        char lport_npiv_name[TCM_QLA2XXX_NPIV_NAMELEN];
        /* map for fc_port pointers in 24-bit FC Port ID space */
index d6ce2182e67207d41932fec75914b9d2c7f44479..035c2c762537c63e9bf62210b5476f7aef5c687a 100644 (file)
@@ -3719,7 +3719,9 @@ restart:
                 */
                iscsit_thread_check_cpumask(conn, current, 1);
 
-               schedule_timeout_interruptible(MAX_SCHEDULE_TIMEOUT);
+               wait_event_interruptible(conn->queues_wq,
+                                        !iscsit_conn_all_queues_empty(conn) ||
+                                        ts->status == ISCSI_THREAD_SET_RESET);
 
                if ((ts->status == ISCSI_THREAD_SET_RESET) ||
                     signal_pending(current))
index 2ba9f9b9435c8684e59d0c65b6a18a6586ec5490..21048dbf7d13cc7ac116be38bb13a9ac6300c2a0 100644 (file)
@@ -486,6 +486,7 @@ struct iscsi_tmr_req {
 };
 
 struct iscsi_conn {
+       wait_queue_head_t       queues_wq;
        /* Authentication Successful for this connection */
        u8                      auth_complete;
        /* State connection is currently in */
index cdc8a10939c3d8d00912a6d9b5d735930d4e60ab..f8dbec05d5e56736fdc9238f997fcc8b18209021 100644 (file)
@@ -41,6 +41,7 @@
 
 static int iscsi_login_init_conn(struct iscsi_conn *conn)
 {
+       init_waitqueue_head(&conn->queues_wq);
        INIT_LIST_HEAD(&conn->conn_list);
        INIT_LIST_HEAD(&conn->conn_cmd_list);
        INIT_LIST_HEAD(&conn->immed_queue_list);
index afd98ccd40ae564f8013155bf6a4d99f857f339a..1a91195ab619a9ebbfa503cf7851c3cb8ca02b49 100644 (file)
@@ -488,7 +488,7 @@ void iscsit_add_cmd_to_immediate_queue(
        atomic_set(&conn->check_immediate_queue, 1);
        spin_unlock_bh(&conn->immed_queue_lock);
 
-       wake_up_process(conn->thread_set->tx_thread);
+       wake_up(&conn->queues_wq);
 }
 
 struct iscsi_queue_req *iscsit_get_cmd_from_immediate_queue(struct iscsi_conn *conn)
@@ -562,7 +562,7 @@ void iscsit_add_cmd_to_response_queue(
        atomic_inc(&cmd->response_queue_count);
        spin_unlock_bh(&conn->response_queue_lock);
 
-       wake_up_process(conn->thread_set->tx_thread);
+       wake_up(&conn->queues_wq);
 }
 
 struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *conn)
@@ -616,6 +616,24 @@ static void iscsit_remove_cmd_from_response_queue(
        }
 }
 
+bool iscsit_conn_all_queues_empty(struct iscsi_conn *conn)
+{
+       bool empty;
+
+       spin_lock_bh(&conn->immed_queue_lock);
+       empty = list_empty(&conn->immed_queue_list);
+       spin_unlock_bh(&conn->immed_queue_lock);
+
+       if (!empty)
+               return empty;
+
+       spin_lock_bh(&conn->response_queue_lock);
+       empty = list_empty(&conn->response_queue_list);
+       spin_unlock_bh(&conn->response_queue_lock);
+
+       return empty;
+}
+
 void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *conn)
 {
        struct iscsi_queue_req *qr, *qr_tmp;
index 44054bd35437af3b21fbdc5422171d7d8032f76c..894d0f8379246f63166666b36259fbe0315d8dd4 100644 (file)
@@ -25,6 +25,7 @@ extern struct iscsi_queue_req *iscsit_get_cmd_from_immediate_queue(struct iscsi_
 extern void iscsit_add_cmd_to_response_queue(struct iscsi_cmd *, struct iscsi_conn *, u8);
 extern struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *);
 extern void iscsit_remove_cmd_from_tx_queues(struct iscsi_cmd *, struct iscsi_conn *);
+extern bool iscsit_conn_all_queues_empty(struct iscsi_conn *);
 extern void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *);
 extern void iscsit_release_cmd(struct iscsi_cmd *);
 extern void iscsit_free_cmd(struct iscsi_cmd *);
index 015f5be27bf6f00dab299b20b295ef71df4af3e2..c123327499a3572f5e950f6483ea20d99096ebab 100644 (file)
@@ -3206,7 +3206,8 @@ static int __init target_core_init_configfs(void)
        if (ret < 0)
                goto out;
 
-       if (core_dev_setup_virtual_lun0() < 0)
+       ret = core_dev_setup_virtual_lun0();
+       if (ret < 0)
                goto out;
 
        return 0;
index 8d774da16320707cb81f525f511188ff202c57ae..9abef9f8eb760a88e7073802ceec77197421bf97 100644 (file)
@@ -850,20 +850,20 @@ int se_dev_check_shutdown(struct se_device *dev)
 
 static u32 se_dev_align_max_sectors(u32 max_sectors, u32 block_size)
 {
-       u32 tmp, aligned_max_sectors;
+       u32 aligned_max_sectors;
+       u32 alignment;
        /*
         * Limit max_sectors to a PAGE_SIZE aligned value for modern
         * transport_allocate_data_tasks() operation.
         */
-       tmp = rounddown((max_sectors * block_size), PAGE_SIZE);
-       aligned_max_sectors = (tmp / block_size);
-       if (max_sectors != aligned_max_sectors) {
-               printk(KERN_INFO "Rounding down aligned max_sectors from %u"
-                               " to %u\n", max_sectors, aligned_max_sectors);
-               return aligned_max_sectors;
-       }
+       alignment = max(1ul, PAGE_SIZE / block_size);
+       aligned_max_sectors = rounddown(max_sectors, alignment);
+
+       if (max_sectors != aligned_max_sectors)
+               pr_info("Rounding down aligned max_sectors from %u to %u\n",
+                       max_sectors, aligned_max_sectors);
 
-       return max_sectors;
+       return aligned_max_sectors;
 }
 
 void se_dev_set_default_attribs(
index 868f8aa04f13d318b1c752d08887703f7a72de21..a6e27d967c7b7b4abc53dd194927252ed2cde897 100644 (file)
@@ -135,6 +135,12 @@ static int sbc_emulate_verify(struct se_cmd *cmd)
        return 0;
 }
 
+static int sbc_emulate_noop(struct se_cmd *cmd)
+{
+       target_complete_cmd(cmd, GOOD);
+       return 0;
+}
+
 static inline u32 sbc_get_size(struct se_cmd *cmd, u32 sectors)
 {
        return cmd->se_dev->se_sub_dev->se_dev_attrib.block_size * sectors;
@@ -531,6 +537,18 @@ int sbc_parse_cdb(struct se_cmd *cmd, struct spc_ops *ops)
                size = 0;
                cmd->execute_cmd = sbc_emulate_verify;
                break;
+       case REZERO_UNIT:
+       case SEEK_6:
+       case SEEK_10:
+               /*
+                * There are still clients out there which use these old SCSI-2
+                * commands. This mainly happens when running VMs with legacy
+                * guest systems, connected via SCSI command pass-through to
+                * iSCSI targets. Make them happy and return status GOOD.
+                */
+               size = 0;
+               cmd->execute_cmd = sbc_emulate_noop;
+               break;
        default:
                ret = spc_parse_cdb(cmd, &size);
                if (ret)
index 9229bd9ad61b3db7cd4d182ab3d5315f24785a5f..6fd434d3d7e477ab7d49660d20e02b0d638b8e3a 100644 (file)
@@ -605,6 +605,8 @@ static int spc_emulate_inquiry(struct se_cmd *cmd)
        unsigned char buf[SE_INQUIRY_BUF];
        int p, ret;
 
+       memset(buf, 0, SE_INQUIRY_BUF);
+
        if (dev == tpg->tpg_virt_lun0.lun_se_dev)
                buf[0] = 0x3f; /* Not connected */
        else
index 1c59a3c23b2c1b37ee8a3c54d62b8c66ea6f9e87..be75c4331a9222a5ca4d0b015ebdbe5a983c20ae 100644 (file)
@@ -140,15 +140,15 @@ void core_tmr_abort_task(
                printk("ABORT_TASK: Found referenced %s task_tag: %u\n",
                        se_cmd->se_tfo->get_fabric_name(), ref_tag);
 
-               spin_lock_irq(&se_cmd->t_state_lock);
+               spin_lock(&se_cmd->t_state_lock);
                if (se_cmd->transport_state & CMD_T_COMPLETE) {
                        printk("ABORT_TASK: ref_tag: %u already complete, skipping\n", ref_tag);
-                       spin_unlock_irq(&se_cmd->t_state_lock);
+                       spin_unlock(&se_cmd->t_state_lock);
                        spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
                        goto out;
                }
                se_cmd->transport_state |= CMD_T_ABORTED;
-               spin_unlock_irq(&se_cmd->t_state_lock);
+               spin_unlock(&se_cmd->t_state_lock);
 
                list_del_init(&se_cmd->se_cmd_list);
                kref_get(&se_cmd->cmd_kref);
index c33baff86aa699deacd04bd873e3c31fa5569cf5..9097155e9ebe7100c0bc1a4ac13b7c508a84ac8a 100644 (file)
@@ -1616,7 +1616,6 @@ static void target_complete_tmr_failure(struct work_struct *work)
 
        se_cmd->se_tmr_req->response = TMR_LUN_DOES_NOT_EXIST;
        se_cmd->se_tfo->queue_tm_rsp(se_cmd);
-       transport_generic_free_cmd(se_cmd, 0);
 }
 
 /**
index fd03e8581afc2a8e86ed354c03c06e84a1b604cc..6dd29e4ce36b1cd4841b94b6f1c1bd6251040972 100644 (file)
@@ -815,7 +815,7 @@ static struct platform_device_id exynos_tmu_driver_ids[] = {
        },
        { },
 };
-MODULE_DEVICE_TABLE(platform, exynos4_tmu_driver_ids);
+MODULE_DEVICE_TABLE(platform, exynos_tmu_driver_ids);
 
 static inline struct  exynos_tmu_platform_data *exynos_get_driver_data(
                        struct platform_device *pdev)
index d4452716aaab1a7dbec7e3df53ec0abbed43aabd..f7a1b574a304e8808cb0cfda0d7e91ef6272bd50 100644 (file)
@@ -210,7 +210,7 @@ static int rcar_thermal_probe(struct platform_device *pdev)
                goto error_free_priv;
        }
 
-       zone = thermal_zone_device_register("rcar_thermal", 0, priv,
+       zone = thermal_zone_device_register("rcar_thermal", 0, 0, priv,
                                            &rcar_thermal_zone_ops, 0, 0);
        if (IS_ERR(zone)) {
                dev_err(&pdev->dev, "thermal zone device is NULL\n");
index b7f5173ff9e94214ed40c3c40f4444324e128888..917bb5681684d31490e1b228b60db57cc0d53a7b 100644 (file)
@@ -641,7 +641,6 @@ static void xenfb_backend_changed(struct xenbus_device *dev,
        case XenbusStateReconfiguring:
        case XenbusStateReconfigured:
        case XenbusStateUnknown:
-       case XenbusStateClosed:
                break;
 
        case XenbusStateInitWait:
@@ -670,6 +669,10 @@ InitWait:
                info->feature_resize = val;
                break;
 
+       case XenbusStateClosed:
+               if (dev->state == XenbusStateClosed)
+                       break;
+               /* Missed the backend's CLOSING state -- fallthrough */
        case XenbusStateClosing:
                xenbus_frontend_closed(dev);
                break;
index 610bfc6be17708594783d231d608c14651625376..2e22df2f7a3f8b57fe44ce8842b825602a012658 100644 (file)
@@ -105,6 +105,21 @@ static void gntdev_print_maps(struct gntdev_priv *priv,
 #endif
 }
 
+static void gntdev_free_map(struct grant_map *map)
+{
+       if (map == NULL)
+               return;
+
+       if (map->pages)
+               free_xenballooned_pages(map->count, map->pages);
+       kfree(map->pages);
+       kfree(map->grants);
+       kfree(map->map_ops);
+       kfree(map->unmap_ops);
+       kfree(map->kmap_ops);
+       kfree(map);
+}
+
 static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count)
 {
        struct grant_map *add;
@@ -142,12 +157,7 @@ static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count)
        return add;
 
 err:
-       kfree(add->pages);
-       kfree(add->grants);
-       kfree(add->map_ops);
-       kfree(add->unmap_ops);
-       kfree(add->kmap_ops);
-       kfree(add);
+       gntdev_free_map(add);
        return NULL;
 }
 
@@ -198,17 +208,9 @@ static void gntdev_put_map(struct grant_map *map)
                evtchn_put(map->notify.event);
        }
 
-       if (map->pages) {
-               if (!use_ptemod)
-                       unmap_grant_pages(map, 0, map->count);
-
-               free_xenballooned_pages(map->count, map->pages);
-       }
-       kfree(map->pages);
-       kfree(map->grants);
-       kfree(map->map_ops);
-       kfree(map->unmap_ops);
-       kfree(map);
+       if (map->pages && !use_ptemod)
+               unmap_grant_pages(map, 0, map->count);
+       gntdev_free_map(map);
 }
 
 /* ------------------------------------------------------------------ */
index 89f76252a16f20e2638ee578faf4e3cbb4a316c6..ac727028e658f75778fa916ca94e91c5d80e0737 100644 (file)
@@ -458,7 +458,7 @@ static ssize_t xenbus_file_write(struct file *filp,
                goto out;
 
        /* Can't write a xenbus message larger we can buffer */
-       if ((len + u->len) > sizeof(u->u.buffer)) {
+       if (len > sizeof(u->u.buffer) - u->len) {
                /* On error, dump existing buffer */
                u->len = 0;
                rc = -EINVAL;
index d3b5fa80b71b76a973919a6b9cfa2ebb34096adf..708d997a77485989d53583084a3e1b99354fb407 100644 (file)
--- a/fs/file.c
+++ b/fs/file.c
@@ -900,7 +900,7 @@ int replace_fd(unsigned fd, struct file *file, unsigned flags)
                return __close_fd(files, fd);
 
        if (fd >= rlimit(RLIMIT_NOFILE))
-               return -EMFILE;
+               return -EBADF;
 
        spin_lock(&files->file_lock);
        err = expand_files(files, fd);
@@ -926,7 +926,7 @@ SYSCALL_DEFINE3(dup3, unsigned int, oldfd, unsigned int, newfd, int, flags)
                return -EINVAL;
 
        if (newfd >= rlimit(RLIMIT_NOFILE))
-               return -EMFILE;
+               return -EBADF;
 
        spin_lock(&files->file_lock);
        err = expand_files(files, newfd);
index 0def0504afc1816ae40b55de02c07aa68cc3a003..e056b4ce487777bbe794d64a11e4cbe2756205d3 100644 (file)
@@ -516,15 +516,13 @@ static int gfs2_mmap(struct file *file, struct vm_area_struct *vma)
                struct gfs2_holder i_gh;
                int error;
 
-               gfs2_holder_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh);
-               error = gfs2_glock_nq(&i_gh);
-               if (error == 0) {
-                       file_accessed(file);
-                       gfs2_glock_dq(&i_gh);
-               }
-               gfs2_holder_uninit(&i_gh);
+               error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY,
+                                          &i_gh);
                if (error)
                        return error;
+               /* grab lock to update inode */
+               gfs2_glock_dq_uninit(&i_gh);
+               file_accessed(file);
        }
        vma->vm_ops = &gfs2_vm_ops;
 
@@ -677,10 +675,8 @@ static ssize_t gfs2_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
        size_t writesize = iov_length(iov, nr_segs);
        struct dentry *dentry = file->f_dentry;
        struct gfs2_inode *ip = GFS2_I(dentry->d_inode);
-       struct gfs2_sbd *sdp;
        int ret;
 
-       sdp = GFS2_SB(file->f_mapping->host);
        ret = gfs2_rs_alloc(ip);
        if (ret)
                return ret;
index 8ff95a2d54ee7dae3de7a9ad6945b5a6c0f17b13..9ceccb1595a3d6f454dd0818eaea92cc8593114f 100644 (file)
@@ -393,12 +393,10 @@ static void buf_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
        struct gfs2_meta_header *mh;
        struct gfs2_trans *tr;
 
-       lock_buffer(bd->bd_bh);
-       gfs2_log_lock(sdp);
        tr = current->journal_info;
        tr->tr_touched = 1;
        if (!list_empty(&bd->bd_list))
-               goto out;
+               return;
        set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags);
        set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags);
        mh = (struct gfs2_meta_header *)bd->bd_bh->b_data;
@@ -414,9 +412,6 @@ static void buf_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
        sdp->sd_log_num_buf++;
        list_add(&bd->bd_list, &sdp->sd_log_le_buf);
        tr->tr_num_buf_new++;
-out:
-       gfs2_log_unlock(sdp);
-       unlock_buffer(bd->bd_bh);
 }
 
 static void gfs2_check_magic(struct buffer_head *bh)
@@ -621,7 +616,6 @@ static void revoke_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
 
 static void revoke_lo_before_commit(struct gfs2_sbd *sdp)
 {
-       struct gfs2_log_descriptor *ld;
        struct gfs2_meta_header *mh;
        unsigned int offset;
        struct list_head *head = &sdp->sd_log_le_revoke;
@@ -634,7 +628,6 @@ static void revoke_lo_before_commit(struct gfs2_sbd *sdp)
 
        length = gfs2_struct2blk(sdp, sdp->sd_log_num_revoke, sizeof(u64));
        page = gfs2_get_log_desc(sdp, GFS2_LOG_DESC_REVOKE, length, sdp->sd_log_num_revoke);
-       ld = page_address(page);
        offset = sizeof(struct gfs2_log_descriptor);
 
        list_for_each_entry(bd, head, bd_list) {
@@ -777,12 +770,10 @@ static void databuf_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
        struct address_space *mapping = bd->bd_bh->b_page->mapping;
        struct gfs2_inode *ip = GFS2_I(mapping->host);
 
-       lock_buffer(bd->bd_bh);
-       gfs2_log_lock(sdp);
        if (tr)
                tr->tr_touched = 1;
        if (!list_empty(&bd->bd_list))
-               goto out;
+               return;
        set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags);
        set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags);
        if (gfs2_is_jdata(ip)) {
@@ -793,9 +784,6 @@ static void databuf_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
        } else {
                list_add_tail(&bd->bd_list, &sdp->sd_log_le_ordered);
        }
-out:
-       gfs2_log_unlock(sdp);
-       unlock_buffer(bd->bd_bh);
 }
 
 /**
index 40c4b0d42fa8fea10b73102b4fd7d155ebf8daa0..c5af8e18f27af8a3b0c899ce1fe5404fede93831 100644 (file)
@@ -497,8 +497,11 @@ int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid)
        struct gfs2_quota_data **qd;
        int error;
 
-       if (ip->i_res == NULL)
-               gfs2_rs_alloc(ip);
+       if (ip->i_res == NULL) {
+               error = gfs2_rs_alloc(ip);
+               if (error)
+                       return error;
+       }
 
        qd = ip->i_res->rs_qa_qd;
 
index 3cc402ce6fea6b3957e82646851e9646fa7cd26b..38fe18f2f055af2e5e842573a475e7b6836bb940 100644 (file)
@@ -553,7 +553,6 @@ void gfs2_free_clones(struct gfs2_rgrpd *rgd)
  */
 int gfs2_rs_alloc(struct gfs2_inode *ip)
 {
-       int error = 0;
        struct gfs2_blkreserv *res;
 
        if (ip->i_res)
@@ -561,7 +560,7 @@ int gfs2_rs_alloc(struct gfs2_inode *ip)
 
        res = kmem_cache_zalloc(gfs2_rsrv_cachep, GFP_NOFS);
        if (!res)
-               error = -ENOMEM;
+               return -ENOMEM;
 
        RB_CLEAR_NODE(&res->rs_node);
 
@@ -571,7 +570,7 @@ int gfs2_rs_alloc(struct gfs2_inode *ip)
        else
                ip->i_res = res;
        up_write(&ip->i_rw_mutex);
-       return error;
+       return 0;
 }
 
 static void dump_rs(struct seq_file *seq, const struct gfs2_blkreserv *rs)
@@ -1263,7 +1262,9 @@ int gfs2_fitrim(struct file *filp, void __user *argp)
        int ret = 0;
        u64 amt;
        u64 trimmed = 0;
+       u64 start, end, minlen;
        unsigned int x;
+       unsigned bs_shift = sdp->sd_sb.sb_bsize_shift;
 
        if (!capable(CAP_SYS_ADMIN))
                return -EPERM;
@@ -1271,19 +1272,25 @@ int gfs2_fitrim(struct file *filp, void __user *argp)
        if (!blk_queue_discard(q))
                return -EOPNOTSUPP;
 
-       if (argp == NULL) {
-               r.start = 0;
-               r.len = ULLONG_MAX;
-               r.minlen = 0;
-       } else if (copy_from_user(&r, argp, sizeof(r)))
+       if (copy_from_user(&r, argp, sizeof(r)))
                return -EFAULT;
 
        ret = gfs2_rindex_update(sdp);
        if (ret)
                return ret;
 
-       rgd = gfs2_blk2rgrpd(sdp, r.start, 0);
-       rgd_end = gfs2_blk2rgrpd(sdp, r.start + r.len, 0);
+       start = r.start >> bs_shift;
+       end = start + (r.len >> bs_shift);
+       minlen = max_t(u64, r.minlen,
+                      q->limits.discard_granularity) >> bs_shift;
+
+       rgd = gfs2_blk2rgrpd(sdp, start, 0);
+       rgd_end = gfs2_blk2rgrpd(sdp, end - 1, 0);
+
+       if (end <= start ||
+           minlen > sdp->sd_max_rg_data ||
+           start > rgd_end->rd_data0 + rgd_end->rd_data)
+               return -EINVAL;
 
        while (1) {
 
@@ -1295,7 +1302,9 @@ int gfs2_fitrim(struct file *filp, void __user *argp)
                        /* Trim each bitmap in the rgrp */
                        for (x = 0; x < rgd->rd_length; x++) {
                                struct gfs2_bitmap *bi = rgd->rd_bits + x;
-                               ret = gfs2_rgrp_send_discards(sdp, rgd->rd_data0, NULL, bi, r.minlen, &amt);
+                               ret = gfs2_rgrp_send_discards(sdp,
+                                               rgd->rd_data0, NULL, bi, minlen,
+                                               &amt);
                                if (ret) {
                                        gfs2_glock_dq_uninit(&gh);
                                        goto out;
@@ -1324,7 +1333,7 @@ int gfs2_fitrim(struct file *filp, void __user *argp)
 
 out:
        r.len = trimmed << 9;
-       if (argp && copy_to_user(argp, &r, sizeof(r)))
+       if (copy_to_user(argp, &r, sizeof(r)))
                return -EFAULT;
 
        return ret;
index bc737261f234872ad2df43411e6e74296b26b61c..d6488674d916273398b0bf8bd9cd3b2328c8a1fb 100644 (file)
@@ -810,7 +810,8 @@ static void gfs2_dirty_inode(struct inode *inode, int flags)
                        return;
                }
                need_unlock = 1;
-       }
+       } else if (WARN_ON_ONCE(ip->i_gl->gl_state != LM_ST_EXCLUSIVE))
+               return;
 
        if (current->journal_info == NULL) {
                ret = gfs2_trans_begin(sdp, RES_DINODE, 0);
index adbd27875ef957e5b54846d8494865d51ff156be..413627072f368168814f0df6ba340103c45f9e10 100644 (file)
@@ -155,14 +155,22 @@ void gfs2_trans_add_bh(struct gfs2_glock *gl, struct buffer_head *bh, int meta)
        struct gfs2_sbd *sdp = gl->gl_sbd;
        struct gfs2_bufdata *bd;
 
+       lock_buffer(bh);
+       gfs2_log_lock(sdp);
        bd = bh->b_private;
        if (bd)
                gfs2_assert(sdp, bd->bd_gl == gl);
        else {
+               gfs2_log_unlock(sdp);
+               unlock_buffer(bh);
                gfs2_attach_bufdata(gl, bh, meta);
                bd = bh->b_private;
+               lock_buffer(bh);
+               gfs2_log_lock(sdp);
        }
        lops_add(sdp, bd);
+       gfs2_log_unlock(sdp);
+       unlock_buffer(bh);
 }
 
 void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
index 31c26c4dcc238110de0fa7374f1a2ab51a1541cd..ca4b11ec87a292e92e5d9496f8ac194d97a5bf9f 100644 (file)
@@ -217,7 +217,7 @@ static int nfs_dns_parse(struct cache_detail *cd, char *buf, int buflen)
 {
        char buf1[NFS_DNS_HOSTNAME_MAXLEN+1];
        struct nfs_dns_ent key, *item;
-       unsigned long ttl;
+       unsigned int ttl;
        ssize_t len;
        int ret = -EINVAL;
 
@@ -240,7 +240,8 @@ static int nfs_dns_parse(struct cache_detail *cd, char *buf, int buflen)
        key.namelen = len;
        memset(&key.h, 0, sizeof(key.h));
 
-       ttl = get_expiry(&buf);
+       if (get_uint(&buf, &ttl) < 0)
+               goto out;
        if (ttl == 0)
                goto out;
        key.h.expiry_time = ttl + seconds_since_boot();
index 5c7325c5c5e66b23beacd6fb7485fda5a640dcd9..6fa01aea24889cae08385e5bfe0aab16c742adc8 100644 (file)
@@ -685,7 +685,10 @@ static void __put_nfs_open_context(struct nfs_open_context *ctx, int is_sync)
        if (ctx->cred != NULL)
                put_rpccred(ctx->cred);
        dput(ctx->dentry);
-       nfs_sb_deactive(sb);
+       if (is_sync)
+               nfs_sb_deactive(sb);
+       else
+               nfs_sb_deactive_async(sb);
        kfree(ctx->mdsthreshold);
        kfree(ctx);
 }
index 59b133c5d652df5d2397b1e24e22f390fed459fc..05521cadac2e9821292c8c4eeefa037f5ef0a726 100644 (file)
@@ -351,10 +351,12 @@ extern int __init register_nfs_fs(void);
 extern void __exit unregister_nfs_fs(void);
 extern void nfs_sb_active(struct super_block *sb);
 extern void nfs_sb_deactive(struct super_block *sb);
+extern void nfs_sb_deactive_async(struct super_block *sb);
 
 /* namespace.c */
+#define NFS_PATH_CANONICAL 1
 extern char *nfs_path(char **p, struct dentry *dentry,
-                     char *buffer, ssize_t buflen);
+                     char *buffer, ssize_t buflen, unsigned flags);
 extern struct vfsmount *nfs_d_automount(struct path *path);
 struct vfsmount *nfs_submount(struct nfs_server *, struct dentry *,
                              struct nfs_fh *, struct nfs_fattr *);
@@ -498,7 +500,7 @@ static inline char *nfs_devname(struct dentry *dentry,
                                char *buffer, ssize_t buflen)
 {
        char *dummy;
-       return nfs_path(&dummy, dentry, buffer, buflen);
+       return nfs_path(&dummy, dentry, buffer, buflen, NFS_PATH_CANONICAL);
 }
 
 /*
index 8e65c7f1f87c526707959c0e691e36532406d1fa..015f71f8f62c271ebcd6c6ec3949aeff446ce420 100644 (file)
@@ -181,7 +181,7 @@ int nfs_mount(struct nfs_mount_request *info)
        else
                msg.rpc_proc = &mnt_clnt->cl_procinfo[MOUNTPROC_MNT];
 
-       status = rpc_call_sync(mnt_clnt, &msg, 0);
+       status = rpc_call_sync(mnt_clnt, &msg, RPC_TASK_SOFT|RPC_TASK_TIMEOUT);
        rpc_shutdown_client(mnt_clnt);
 
        if (status < 0)
index 655925373b9161c6a6c64ad157002d10cf8064e2..dd057bc6b65b28d3822229e0c0d5d0777b7955b9 100644 (file)
@@ -33,6 +33,7 @@ int nfs_mountpoint_expiry_timeout = 500 * HZ;
  * @dentry - pointer to dentry
  * @buffer - result buffer
  * @buflen - length of buffer
+ * @flags - options (see below)
  *
  * Helper function for constructing the server pathname
  * by arbitrary hashed dentry.
@@ -40,8 +41,14 @@ int nfs_mountpoint_expiry_timeout = 500 * HZ;
  * This is mainly for use in figuring out the path on the
  * server side when automounting on top of an existing partition
  * and in generating /proc/mounts and friends.
+ *
+ * Supported flags:
+ * NFS_PATH_CANONICAL: ensure there is exactly one slash after
+ *                    the original device (export) name
+ *                    (if unset, the original name is returned verbatim)
  */
-char *nfs_path(char **p, struct dentry *dentry, char *buffer, ssize_t buflen)
+char *nfs_path(char **p, struct dentry *dentry, char *buffer, ssize_t buflen,
+              unsigned flags)
 {
        char *end;
        int namelen;
@@ -74,7 +81,7 @@ rename_retry:
                rcu_read_unlock();
                goto rename_retry;
        }
-       if (*end != '/') {
+       if ((flags & NFS_PATH_CANONICAL) && *end != '/') {
                if (--buflen < 0) {
                        spin_unlock(&dentry->d_lock);
                        rcu_read_unlock();
@@ -91,9 +98,11 @@ rename_retry:
                return end;
        }
        namelen = strlen(base);
-       /* Strip off excess slashes in base string */
-       while (namelen > 0 && base[namelen - 1] == '/')
-               namelen--;
+       if (flags & NFS_PATH_CANONICAL) {
+               /* Strip off excess slashes in base string */
+               while (namelen > 0 && base[namelen - 1] == '/')
+                       namelen--;
+       }
        buflen -= namelen;
        if (buflen < 0) {
                spin_unlock(&dentry->d_lock);
index 79fbb61ce202bcb90df2c8ad0f7f3ecf3bba7aac..1e09eb78543b2d50f9da025c733e52a99957ba64 100644 (file)
@@ -81,7 +81,8 @@ static char *nfs_path_component(const char *nfspath, const char *end)
 static char *nfs4_path(struct dentry *dentry, char *buffer, ssize_t buflen)
 {
        char *limit;
-       char *path = nfs_path(&limit, dentry, buffer, buflen);
+       char *path = nfs_path(&limit, dentry, buffer, buflen,
+                             NFS_PATH_CANONICAL);
        if (!IS_ERR(path)) {
                char *path_component = nfs_path_component(path, limit);
                if (path_component)
index 68b21d81b7acfa79bef010023195c1f45023c82b..5eec4429970c6e98af7a18732794c6fceaba4951 100644 (file)
@@ -339,8 +339,7 @@ static int nfs4_handle_exception(struct nfs_server *server, int errorcode, struc
                        dprintk("%s ERROR: %d Reset session\n", __func__,
                                errorcode);
                        nfs4_schedule_session_recovery(clp->cl_session, errorcode);
-                       exception->retry = 1;
-                       break;
+                       goto wait_on_recovery;
 #endif /* defined(CONFIG_NFS_V4_1) */
                case -NFS4ERR_FILE_OPEN:
                        if (exception->timeout > HZ) {
@@ -1572,9 +1571,11 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
        data->timestamp = jiffies;
        if (nfs4_setup_sequence(data->o_arg.server,
                                &data->o_arg.seq_args,
-                               &data->o_res.seq_res, task))
-               return;
-       rpc_call_start(task);
+                               &data->o_res.seq_res,
+                               task) != 0)
+               nfs_release_seqid(data->o_arg.seqid);
+       else
+               rpc_call_start(task);
        return;
 unlock_no_action:
        rcu_read_unlock();
@@ -1748,7 +1749,7 @@ static int nfs4_opendata_access(struct rpc_cred *cred,
 
        /* even though OPEN succeeded, access is denied. Close the file */
        nfs4_close_state(state, fmode);
-       return -NFS4ERR_ACCESS;
+       return -EACCES;
 }
 
 /*
@@ -2196,7 +2197,7 @@ static void nfs4_free_closedata(void *data)
        nfs4_put_open_state(calldata->state);
        nfs_free_seqid(calldata->arg.seqid);
        nfs4_put_state_owner(sp);
-       nfs_sb_deactive(sb);
+       nfs_sb_deactive_async(sb);
        kfree(calldata);
 }
 
@@ -2296,9 +2297,10 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data)
        if (nfs4_setup_sequence(NFS_SERVER(inode),
                                &calldata->arg.seq_args,
                                &calldata->res.seq_res,
-                               task))
-               goto out;
-       rpc_call_start(task);
+                               task) != 0)
+               nfs_release_seqid(calldata->arg.seqid);
+       else
+               rpc_call_start(task);
 out:
        dprintk("%s: done!\n", __func__);
 }
@@ -4529,6 +4531,7 @@ static void nfs4_locku_done(struct rpc_task *task, void *data)
                        if (nfs4_async_handle_error(task, calldata->server, NULL) == -EAGAIN)
                                rpc_restart_call_prepare(task);
        }
+       nfs_release_seqid(calldata->arg.seqid);
 }
 
 static void nfs4_locku_prepare(struct rpc_task *task, void *data)
@@ -4545,9 +4548,11 @@ static void nfs4_locku_prepare(struct rpc_task *task, void *data)
        calldata->timestamp = jiffies;
        if (nfs4_setup_sequence(calldata->server,
                                &calldata->arg.seq_args,
-                               &calldata->res.seq_res, task))
-               return;
-       rpc_call_start(task);
+                               &calldata->res.seq_res,
+                               task) != 0)
+               nfs_release_seqid(calldata->arg.seqid);
+       else
+               rpc_call_start(task);
 }
 
 static const struct rpc_call_ops nfs4_locku_ops = {
@@ -4692,7 +4697,7 @@ static void nfs4_lock_prepare(struct rpc_task *task, void *calldata)
        /* Do we need to do an open_to_lock_owner? */
        if (!(data->arg.lock_seqid->sequence->flags & NFS_SEQID_CONFIRMED)) {
                if (nfs_wait_on_sequence(data->arg.open_seqid, task) != 0)
-                       return;
+                       goto out_release_lock_seqid;
                data->arg.open_stateid = &state->stateid;
                data->arg.new_lock_owner = 1;
                data->res.open_seqid = data->arg.open_seqid;
@@ -4701,10 +4706,15 @@ static void nfs4_lock_prepare(struct rpc_task *task, void *calldata)
        data->timestamp = jiffies;
        if (nfs4_setup_sequence(data->server,
                                &data->arg.seq_args,
-                               &data->res.seq_res, task))
+                               &data->res.seq_res,
+                               task) == 0) {
+               rpc_call_start(task);
                return;
-       rpc_call_start(task);
-       dprintk("%s: done!, ret = %d\n", __func__, data->rpc_status);
+       }
+       nfs_release_seqid(data->arg.open_seqid);
+out_release_lock_seqid:
+       nfs_release_seqid(data->arg.lock_seqid);
+       dprintk("%s: done!, ret = %d\n", __func__, task->tk_status);
 }
 
 static void nfs4_recover_lock_prepare(struct rpc_task *task, void *calldata)
@@ -5667,7 +5677,7 @@ static void nfs4_add_and_init_slots(struct nfs4_slot_table *tbl,
                tbl->slots = new;
                tbl->max_slots = max_slots;
        }
-       tbl->highest_used_slotid = -1;  /* no slot is currently used */
+       tbl->highest_used_slotid = NFS4_NO_SLOT;
        for (i = 0; i < tbl->max_slots; i++)
                tbl->slots[i].seq_nr = ivalue;
        spin_unlock(&tbl->slot_tbl_lock);
index fe624c91bd006ef11f839f61cab54f833286edfa..2878f97bd78d5cf5343b88cfcac9b5a48a1abe60 100644 (file)
@@ -925,8 +925,8 @@ pnfs_find_alloc_layout(struct inode *ino,
        if (likely(nfsi->layout == NULL)) {     /* Won the race? */
                nfsi->layout = new;
                return new;
-       }
-       pnfs_free_layout_hdr(new);
+       } else if (new != NULL)
+               pnfs_free_layout_hdr(new);
 out_existing:
        pnfs_get_layout_hdr(nfsi->layout);
        return nfsi->layout;
index e831bce497663e809e48bb7cc278f5ad6a74ba7b..652d3f7176a98fcc4e70e6f5e3d812e4b3d90b83 100644 (file)
@@ -54,6 +54,7 @@
 #include <linux/parser.h>
 #include <linux/nsproxy.h>
 #include <linux/rcupdate.h>
+#include <linux/kthread.h>
 
 #include <asm/uaccess.h>
 
@@ -415,6 +416,54 @@ void nfs_sb_deactive(struct super_block *sb)
 }
 EXPORT_SYMBOL_GPL(nfs_sb_deactive);
 
+static int nfs_deactivate_super_async_work(void *ptr)
+{
+       struct super_block *sb = ptr;
+
+       deactivate_super(sb);
+       module_put_and_exit(0);
+       return 0;
+}
+
+/*
+ * same effect as deactivate_super, but will do final unmount in kthread
+ * context
+ */
+static void nfs_deactivate_super_async(struct super_block *sb)
+{
+       struct task_struct *task;
+       char buf[INET6_ADDRSTRLEN + 1];
+       struct nfs_server *server = NFS_SB(sb);
+       struct nfs_client *clp = server->nfs_client;
+
+       if (!atomic_add_unless(&sb->s_active, -1, 1)) {
+               rcu_read_lock();
+               snprintf(buf, sizeof(buf),
+                       rpc_peeraddr2str(clp->cl_rpcclient, RPC_DISPLAY_ADDR));
+               rcu_read_unlock();
+
+               __module_get(THIS_MODULE);
+               task = kthread_run(nfs_deactivate_super_async_work, sb,
+                               "%s-deactivate-super", buf);
+               if (IS_ERR(task)) {
+                       pr_err("%s: kthread_run: %ld\n",
+                               __func__, PTR_ERR(task));
+                       /* make synchronous call and hope for the best */
+                       deactivate_super(sb);
+                       module_put(THIS_MODULE);
+               }
+       }
+}
+
+void nfs_sb_deactive_async(struct super_block *sb)
+{
+       struct nfs_server *server = NFS_SB(sb);
+
+       if (atomic_dec_and_test(&server->active))
+               nfs_deactivate_super_async(sb);
+}
+EXPORT_SYMBOL_GPL(nfs_sb_deactive_async);
+
 /*
  * Deliver file system statistics to userspace
  */
@@ -771,7 +820,7 @@ int nfs_show_devname(struct seq_file *m, struct dentry *root)
        int err = 0;
        if (!page)
                return -ENOMEM;
-       devname = nfs_path(&dummy, root, page, PAGE_SIZE);
+       devname = nfs_path(&dummy, root, page, PAGE_SIZE, 0);
        if (IS_ERR(devname))
                err = PTR_ERR(devname);
        else
index 13cea637eff82288f2f5508023a592e60db3fa7a..3f79c77153b8fe827cd24310209301e0132b96ad 100644 (file)
@@ -95,7 +95,7 @@ static void nfs_async_unlink_release(void *calldata)
 
        nfs_dec_sillycount(data->dir);
        nfs_free_unlinkdata(data);
-       nfs_sb_deactive(sb);
+       nfs_sb_deactive_async(sb);
 }
 
 static void nfs_unlink_prepare(struct rpc_task *task, void *calldata)
index 4f33c32affe3d2eb4bec9c5ca8d71a33bbc5032a..335206a9c6985fde106d164543efee515bba1433 100644 (file)
@@ -1866,6 +1866,7 @@ xfs_alloc_fix_freelist(
        /*
         * Initialize the args structure.
         */
+       memset(&targs, 0, sizeof(targs));
        targs.tp = tp;
        targs.mp = mp;
        targs.agbp = agbp;
@@ -2207,7 +2208,7 @@ xfs_alloc_read_agf(
  * group or loop over the allocation groups to find the result.
  */
 int                            /* error */
-__xfs_alloc_vextent(
+xfs_alloc_vextent(
        xfs_alloc_arg_t *args)  /* allocation argument structure */
 {
        xfs_agblock_t   agsize; /* allocation group size */
@@ -2417,46 +2418,6 @@ error0:
        return error;
 }
 
-static void
-xfs_alloc_vextent_worker(
-       struct work_struct      *work)
-{
-       struct xfs_alloc_arg    *args = container_of(work,
-                                               struct xfs_alloc_arg, work);
-       unsigned long           pflags;
-
-       /* we are in a transaction context here */
-       current_set_flags_nested(&pflags, PF_FSTRANS);
-
-       args->result = __xfs_alloc_vextent(args);
-       complete(args->done);
-
-       current_restore_flags_nested(&pflags, PF_FSTRANS);
-}
-
-/*
- * Data allocation requests often come in with little stack to work on. Push
- * them off to a worker thread so there is lots of stack to use. Metadata
- * requests, OTOH, are generally from low stack usage paths, so avoid the
- * context switch overhead here.
- */
-int
-xfs_alloc_vextent(
-       struct xfs_alloc_arg    *args)
-{
-       DECLARE_COMPLETION_ONSTACK(done);
-
-       if (!args->userdata)
-               return __xfs_alloc_vextent(args);
-
-
-       args->done = &done;
-       INIT_WORK_ONSTACK(&args->work, xfs_alloc_vextent_worker);
-       queue_work(xfs_alloc_wq, &args->work);
-       wait_for_completion(&done);
-       return args->result;
-}
-
 /*
  * Free an extent.
  * Just break up the extent address and hand off to xfs_free_ag_extent
index 93be4a667ca1692648aec03195b5747bac4239f2..feacb061bab78bb3492ee0ff37eed5cc0fb95894 100644 (file)
@@ -120,9 +120,6 @@ typedef struct xfs_alloc_arg {
        char            isfl;           /* set if is freelist blocks - !acctg */
        char            userdata;       /* set if this is user data */
        xfs_fsblock_t   firstblock;     /* io first block allocated */
-       struct completion *done;
-       struct work_struct work;
-       int             result;
 } xfs_alloc_arg_t;
 
 /*
index f1647caace8fe66eeda2bd51cf5e679028d7b50e..f7876c6d616553d222295624a20f4c168c4c021d 100644 (file)
@@ -121,6 +121,8 @@ xfs_allocbt_free_block(
        xfs_extent_busy_insert(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1,
                              XFS_EXTENT_BUSY_SKIP_DISCARD);
        xfs_trans_agbtree_delta(cur->bc_tp, -1);
+
+       xfs_trans_binval(cur->bc_tp, bp);
        return 0;
 }
 
index 848ffa77707b98bf272f61fc162f6e361504926e..83d0cf3df930794c307c4adcb33dceb8a5415f7e 100644 (file)
@@ -2437,6 +2437,7 @@ xfs_bmap_btalloc(
         * Normal allocation, done through xfs_alloc_vextent.
         */
        tryagain = isaligned = 0;
+       memset(&args, 0, sizeof(args));
        args.tp = ap->tp;
        args.mp = mp;
        args.fsbno = ap->blkno;
@@ -3082,6 +3083,7 @@ xfs_bmap_extents_to_btree(
         * Convert to a btree with two levels, one record in root.
         */
        XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_BTREE);
+       memset(&args, 0, sizeof(args));
        args.tp = tp;
        args.mp = mp;
        args.firstblock = *firstblock;
@@ -3237,6 +3239,7 @@ xfs_bmap_local_to_extents(
                xfs_buf_t       *bp;    /* buffer for extent block */
                xfs_bmbt_rec_host_t *ep;/* extent record pointer */
 
+               memset(&args, 0, sizeof(args));
                args.tp = tp;
                args.mp = ip->i_mount;
                args.firstblock = *firstblock;
@@ -4616,12 +4619,11 @@ xfs_bmapi_delay(
 
 
 STATIC int
-xfs_bmapi_allocate(
-       struct xfs_bmalloca     *bma,
-       int                     flags)
+__xfs_bmapi_allocate(
+       struct xfs_bmalloca     *bma)
 {
        struct xfs_mount        *mp = bma->ip->i_mount;
-       int                     whichfork = (flags & XFS_BMAPI_ATTRFORK) ?
+       int                     whichfork = (bma->flags & XFS_BMAPI_ATTRFORK) ?
                                                XFS_ATTR_FORK : XFS_DATA_FORK;
        struct xfs_ifork        *ifp = XFS_IFORK_PTR(bma->ip, whichfork);
        int                     tmp_logflags = 0;
@@ -4654,24 +4656,27 @@ xfs_bmapi_allocate(
         * Indicate if this is the first user data in the file, or just any
         * user data.
         */
-       if (!(flags & XFS_BMAPI_METADATA)) {
+       if (!(bma->flags & XFS_BMAPI_METADATA)) {
                bma->userdata = (bma->offset == 0) ?
                        XFS_ALLOC_INITIAL_USER_DATA : XFS_ALLOC_USERDATA;
        }
 
-       bma->minlen = (flags & XFS_BMAPI_CONTIG) ? bma->length : 1;
+       bma->minlen = (bma->flags & XFS_BMAPI_CONTIG) ? bma->length : 1;
 
        /*
         * Only want to do the alignment at the eof if it is userdata and
         * allocation length is larger than a stripe unit.
         */
        if (mp->m_dalign && bma->length >= mp->m_dalign &&
-           !(flags & XFS_BMAPI_METADATA) && whichfork == XFS_DATA_FORK) {
+           !(bma->flags & XFS_BMAPI_METADATA) && whichfork == XFS_DATA_FORK) {
                error = xfs_bmap_isaeof(bma, whichfork);
                if (error)
                        return error;
        }
 
+       if (bma->flags & XFS_BMAPI_STACK_SWITCH)
+               bma->stack_switch = 1;
+
        error = xfs_bmap_alloc(bma);
        if (error)
                return error;
@@ -4706,7 +4711,7 @@ xfs_bmapi_allocate(
         * A wasdelay extent has been initialized, so shouldn't be flagged
         * as unwritten.
         */
-       if (!bma->wasdel && (flags & XFS_BMAPI_PREALLOC) &&
+       if (!bma->wasdel && (bma->flags & XFS_BMAPI_PREALLOC) &&
            xfs_sb_version_hasextflgbit(&mp->m_sb))
                bma->got.br_state = XFS_EXT_UNWRITTEN;