Merge remote-tracking branch 'regmap/topic/debugfs' into regmap-next
authorMark Brown <broonie@opensource.wolfsonmicro.com>
Thu, 14 Feb 2013 17:11:06 +0000 (17:11 +0000)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Thu, 14 Feb 2013 17:11:06 +0000 (17:11 +0000)
430 files changed:
Documentation/device-mapper/dm-raid.txt
Documentation/hid/hid-sensor.txt [changed mode: 0755->0644]
Documentation/kernel-parameters.txt
Documentation/x86/boot.txt
Documentation/x86/zero-page.txt
MAINTAINERS
Makefile
arch/arm/common/gic.c
arch/arm/include/asm/memory.h
arch/arm/mach-exynos/Kconfig
arch/arm/mach-realview/include/mach/irqs-eb.h
arch/arm/mm/dma-mapping.c
arch/avr32/include/asm/dma-mapping.h
arch/blackfin/include/asm/dma-mapping.h
arch/c6x/include/asm/dma-mapping.h
arch/cris/include/asm/dma-mapping.h
arch/frv/include/asm/dma-mapping.h
arch/m68k/include/asm/dma-mapping.h
arch/mips/bcm47xx/Kconfig
arch/mips/cavium-octeon/executive/cvmx-l2c.c
arch/mips/include/asm/break.h [deleted file]
arch/mips/include/asm/dsp.h
arch/mips/include/asm/inst.h
arch/mips/include/asm/mach-pnx833x/war.h
arch/mips/include/asm/pgtable-64.h
arch/mips/include/uapi/asm/Kbuild
arch/mips/include/uapi/asm/break.h [new file with mode: 0644]
arch/mips/kernel/ftrace.c
arch/mips/kernel/mcount.S
arch/mips/kernel/vpe.c
arch/mips/lantiq/irq.c
arch/mips/lib/delay.c
arch/mips/mm/ioremap.c
arch/mips/mm/mmap.c
arch/mips/netlogic/xlr/setup.c
arch/mips/pci/pci-ar71xx.c
arch/mips/pci/pci-ar724x.c
arch/mn10300/include/asm/dma-mapping.h
arch/parisc/include/asm/dma-mapping.h
arch/powerpc/kernel/entry_32.S
arch/powerpc/kernel/entry_64.S
arch/powerpc/kernel/kgdb.c
arch/powerpc/kernel/time.c
arch/powerpc/mm/hash_low_64.S
arch/powerpc/oprofile/op_model_power4.c
arch/powerpc/platforms/pasemi/cpufreq.c
arch/s390/include/asm/pgtable.h
arch/x86/Kconfig
arch/x86/boot/Makefile
arch/x86/boot/compressed/eboot.c
arch/x86/boot/compressed/head_32.S
arch/x86/boot/compressed/head_64.S
arch/x86/boot/header.S
arch/x86/boot/setup.ld
arch/x86/boot/tools/build.c
arch/x86/ia32/ia32entry.S
arch/x86/include/asm/efi.h
arch/x86/include/asm/uv/uv.h
arch/x86/include/uapi/asm/bootparam.h
arch/x86/kernel/cpu/intel_cacheinfo.c
arch/x86/kernel/cpu/perf_event_intel.c
arch/x86/kernel/cpu/perf_event_p6.c
arch/x86/kernel/entry_64.S
arch/x86/kernel/head_32.S
arch/x86/kernel/msr.c
arch/x86/kernel/pci-dma.c
arch/x86/kernel/reboot.c
arch/x86/kernel/setup.c
arch/x86/platform/efi/efi.c
arch/x86/platform/efi/efi_64.c
arch/x86/platform/uv/tlb_uv.c
arch/x86/tools/insn_sanity.c
arch/x86/tools/relocs.c
arch/xtensa/include/asm/dma-mapping.h
block/genhd.c
drivers/acpi/osl.c
drivers/atm/iphase.h
drivers/base/regmap/internal.h
drivers/base/regmap/regmap-spi.c
drivers/base/regmap/regmap.c
drivers/bcma/bcma_private.h
drivers/bcma/driver_chipcommon_nflash.c
drivers/bcma/driver_gpio.c
drivers/bcma/main.c
drivers/block/drbd/drbd_req.c
drivers/block/drbd/drbd_req.h
drivers/block/drbd/drbd_state.c
drivers/block/mtip32xx/mtip32xx.c
drivers/block/xen-blkback/blkback.c
drivers/block/xen-blkfront.c
drivers/bluetooth/ath3k.c
drivers/bluetooth/btusb.c
drivers/char/virtio_console.c
drivers/edac/edac_mc.c
drivers/edac/edac_pci_sysfs.c
drivers/firmware/dmi_scan.c
drivers/firmware/efivars.c
drivers/firmware/iscsi_ibft_find.c
drivers/gpu/drm/exynos/Kconfig
drivers/gpu/drm/exynos/exynos_drm_connector.c
drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
drivers/gpu/drm/exynos/exynos_drm_drv.h
drivers/gpu/drm/exynos/exynos_drm_g2d.c
drivers/gpu/drm/exynos/exynos_drm_hdmi.c
drivers/gpu/drm/exynos/exynos_drm_hdmi.h
drivers/gpu/drm/exynos/exynos_drm_ipp.c
drivers/gpu/drm/exynos/exynos_drm_rotator.c
drivers/gpu/drm/exynos/exynos_drm_vidi.c
drivers/gpu/drm/exynos/exynos_hdmi.c
drivers/gpu/drm/exynos/exynos_mixer.c
drivers/gpu/drm/i915/i915_debugfs.c
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/intel_ringbuffer.c
drivers/gpu/drm/radeon/evergreen.c
drivers/gpu/drm/radeon/ni.c
drivers/gpu/drm/radeon/r600.c
drivers/gpu/drm/radeon/radeon_asic.c
drivers/gpu/drm/radeon/radeon_combios.c
drivers/gpu/drm/radeon/radeon_cs.c
drivers/gpu/drm/radeon/radeon_cursor.c
drivers/gpu/drm/radeon/radeon_device.c
drivers/gpu/drm/radeon/radeon_display.c
drivers/gpu/drm/radeon/radeon_ring.c
drivers/gpu/drm/radeon/reg_srcs/cayman
drivers/gpu/drm/radeon/rv515.c
drivers/gpu/drm/ttm/ttm_bo_util.c
drivers/hid/hid-ids.h
drivers/hid/i2c-hid/i2c-hid.c
drivers/hid/usbhid/hid-quirks.c
drivers/infiniband/hw/qib/qib_qp.c
drivers/infiniband/ulp/ipoib/ipoib_cm.c
drivers/infiniband/ulp/ipoib/ipoib_ib.c
drivers/iommu/amd_iommu_init.c
drivers/iommu/intel-iommu.c
drivers/isdn/gigaset/capi.c
drivers/md/dm-raid.c
drivers/md/dm-thin.c
drivers/md/dm.c
drivers/media/radio/radio-keene.c
drivers/media/radio/radio-si4713.c
drivers/media/radio/radio-wl1273.c
drivers/media/radio/wl128x/fmdrv_v4l2.c
drivers/mfd/Kconfig
drivers/mfd/ab8500-core.c
drivers/mfd/arizona-core.c
drivers/mfd/arizona-irq.c
drivers/mfd/da9052-i2c.c
drivers/mfd/db8500-prcmu.c
drivers/mfd/max77686.c
drivers/mfd/max77693.c
drivers/mfd/pcf50633-core.c
drivers/mfd/rtl8411.c
drivers/mfd/rts5209.c
drivers/mfd/rts5229.c
drivers/mfd/rtsx_pcr.c
drivers/mfd/tc3589x.c
drivers/mfd/twl4030-power.c
drivers/mfd/vexpress-config.c
drivers/mfd/wm5102-tables.c
drivers/mmc/host/rtsx_pci_sdmmc.c
drivers/mtd/devices/Kconfig
drivers/mtd/maps/physmap_of.c
drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c
drivers/mtd/nand/davinci_nand.c
drivers/mtd/nand/nand_base.c
drivers/net/bonding/bond_sysfs.c
drivers/net/can/c_can/c_can.c
drivers/net/can/pch_can.c
drivers/net/can/ti_hecc.c
drivers/net/ethernet/3com/3c574_cs.c
drivers/net/ethernet/broadcom/tg3.c
drivers/net/ethernet/calxeda/xgmac.c
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
drivers/net/ethernet/emulex/benet/be.h
drivers/net/ethernet/emulex/benet/be_main.c
drivers/net/ethernet/intel/e1000e/defines.h
drivers/net/ethernet/intel/e1000e/e1000.h
drivers/net/ethernet/intel/e1000e/ethtool.c
drivers/net/ethernet/intel/e1000e/hw.h
drivers/net/ethernet/intel/e1000e/ich8lan.c
drivers/net/ethernet/intel/e1000e/netdev.c
drivers/net/ethernet/intel/ixgbe/Makefile
drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c
drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
drivers/net/ethernet/mellanox/mlx4/en_tx.c
drivers/net/ethernet/mellanox/mlx4/main.c
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
drivers/net/ethernet/realtek/r8169.c
drivers/net/ethernet/via/via-rhine.c
drivers/net/hyperv/hyperv_net.h
drivers/net/hyperv/netvsc_drv.c
drivers/net/loopback.c
drivers/net/macvlan.c
drivers/net/phy/icplus.c
drivers/net/phy/marvell.c
drivers/net/tun.c
drivers/net/usb/cdc_mbim.c
drivers/net/usb/cdc_ncm.c
drivers/net/usb/dm9601.c
drivers/net/usb/qmi_wwan.c
drivers/net/usb/usbnet.c
drivers/net/virtio_net.c
drivers/net/vmxnet3/vmxnet3_drv.c
drivers/net/wireless/ath/ath9k/ar9003_calib.c
drivers/net/wireless/ath/ath9k/ar9003_phy.c
drivers/net/wireless/ath/ath9k/ath9k.h
drivers/net/wireless/ath/ath9k/beacon.c
drivers/net/wireless/ath/ath9k/debug.c
drivers/net/wireless/ath/ath9k/debug.h
drivers/net/wireless/ath/ath9k/htc_hst.c
drivers/net/wireless/ath/ath9k/hw.h
drivers/net/wireless/ath/ath9k/main.c
drivers/net/wireless/ath/ath9k/recv.c
drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h
drivers/net/wireless/brcm80211/brcmsmac/main.c
drivers/net/wireless/brcm80211/brcmsmac/pub.h
drivers/net/wireless/iwlegacy/common.c
drivers/net/wireless/iwlwifi/dvm/tx.c
drivers/net/wireless/mwifiex/cfg80211.c
drivers/net/wireless/mwifiex/pcie.c
drivers/net/wireless/mwifiex/scan.c
drivers/net/wireless/mwifiex/sta_ioctl.c
drivers/net/wireless/rtlwifi/Kconfig
drivers/net/wireless/rtlwifi/base.c
drivers/net/wireless/rtlwifi/usb.c
drivers/net/xen-netback/common.h
drivers/net/xen-netback/interface.c
drivers/net/xen-netback/netback.c
drivers/pinctrl/Kconfig
drivers/pinctrl/Makefile
drivers/pinctrl/mvebu/pinctrl-dove.c
drivers/pinctrl/mvebu/pinctrl-kirkwood.c
drivers/pinctrl/pinctrl-exynos5440.c
drivers/pinctrl/pinctrl-mxs.c
drivers/pinctrl/pinctrl-nomadik.c
drivers/pinctrl/pinctrl-single.c
drivers/pinctrl/pinctrl-sirf.c
drivers/platform/x86/ibm_rtl.c
drivers/platform/x86/samsung-laptop.c
drivers/regulator/dbx500-prcmu.c
drivers/regulator/max77686.c
drivers/regulator/max8907-regulator.c
drivers/regulator/max8997.c
drivers/regulator/max8998.c
drivers/regulator/of_regulator.c
drivers/regulator/s2mps11.c
drivers/regulator/tps65217-regulator.c
drivers/regulator/tps65910-regulator.c
drivers/regulator/tps80031-regulator.c
drivers/rtc/rtc-isl1208.c
drivers/rtc/rtc-pl031.c
drivers/rtc/rtc-vt8500.c
drivers/scsi/isci/init.c
drivers/ssb/driver_gpio.c
drivers/ssb/main.c
drivers/ssb/ssb_private.h
drivers/target/target_core_device.c
drivers/target/target_core_fabric_configfs.c
drivers/target/target_core_sbc.c
drivers/target/target_core_spc.c
drivers/usb/core/hcd.c
drivers/usb/core/hub.c
drivers/usb/host/ehci-hcd.c
drivers/usb/host/ehci-hub.c
drivers/usb/host/ehci-q.c
drivers/usb/host/ehci-sched.c
drivers/usb/host/ehci-timer.c
drivers/usb/host/pci-quirks.c
drivers/usb/host/uhci-hub.c
drivers/usb/host/xhci-ring.c
drivers/usb/serial/cp210x.c
drivers/usb/serial/ftdi_sio.c
drivers/usb/serial/ftdi_sio_ids.h
drivers/usb/serial/option.c
drivers/usb/serial/qcserial.c
drivers/usb/storage/initializers.c
drivers/usb/storage/initializers.h
drivers/usb/storage/unusual_devs.h
drivers/usb/storage/usb.c
drivers/usb/storage/usual-tables.c
drivers/vhost/net.c
drivers/vhost/tcm_vhost.c
drivers/vhost/vhost.c
drivers/vhost/vhost.h
drivers/xen/events.c
drivers/xen/xen-pciback/pciback_ops.c
fs/btrfs/extent-tree.c
fs/btrfs/extent_map.c
fs/btrfs/file.c
fs/btrfs/ioctl.c
fs/btrfs/ordered-data.c
fs/btrfs/scrub.c
fs/btrfs/transaction.c
fs/btrfs/volumes.c
fs/dlm/user.c
fs/gfs2/lock_dlm.c
fs/nfs/namespace.c
fs/nfs/nfs4client.c
fs/nfs/nfs4state.c
fs/nfs/super.c
fs/nilfs2/ioctl.c
fs/xfs/xfs_aops.c
fs/xfs/xfs_bmap.c
fs/xfs/xfs_buf.c
fs/xfs/xfs_buf_item.c
fs/xfs/xfs_dfrag.c
fs/xfs/xfs_iomap.c
fs/xfs/xfs_mount.c
fs/xfs/xfs_trace.h
include/linux/efi.h
include/linux/llist.h
include/linux/memcontrol.h
include/linux/mfd/abx500.h
include/linux/mfd/abx500/ab8500-bm.h
include/linux/mfd/da9052/da9052.h
include/linux/mfd/da9052/reg.h
include/linux/mfd/rtsx_common.h
include/linux/mfd/rtsx_pci.h
include/linux/mmu_notifier.h
include/linux/regmap.h
include/linux/security.h
include/linux/usb.h
include/linux/usb/hcd.h
include/linux/usb/usbnet.h
include/net/ip.h
include/net/netfilter/nf_conntrack_core.h
include/net/transp_v6.h
include/uapi/linux/usb/ch9.h
init/main.c
kernel/events/core.c
kernel/printk.c
kernel/rcutree_plugin.h
kernel/sched/debug.c
kernel/sched/fair.c
kernel/sched/rt.c
kernel/smp.c
lib/digsig.c
mm/huge_memory.c
mm/hugetlb.c
mm/migrate.c
mm/mmap.c
net/batman-adv/distributed-arp-table.c
net/bluetooth/hci_conn.c
net/bluetooth/hci_core.c
net/bluetooth/hci_event.c
net/bluetooth/hidp/core.c
net/bluetooth/l2cap_core.c
net/bluetooth/sco.c
net/bluetooth/smp.c
net/core/pktgen.c
net/core/request_sock.c
net/core/scm.c
net/core/skbuff.c
net/ipv4/ah4.c
net/ipv4/datagram.c
net/ipv4/esp4.c
net/ipv4/ip_gre.c
net/ipv4/ipcomp.c
net/ipv4/ping.c
net/ipv4/raw.c
net/ipv4/route.c
net/ipv4/tcp_cong.c
net/ipv4/tcp_input.c
net/ipv4/tcp_ipv4.c
net/ipv4/udp.c
net/ipv6/addrconf.c
net/ipv6/ah6.c
net/ipv6/datagram.c
net/ipv6/esp6.c
net/ipv6/icmp.c
net/ipv6/ip6_flowlabel.c
net/ipv6/ip6_gre.c
net/ipv6/ip6_output.c
net/ipv6/ip6mr.c
net/ipv6/ipv6_sockglue.c
net/ipv6/raw.c
net/ipv6/route.c
net/ipv6/tcp_ipv6.c
net/ipv6/udp.c
net/l2tp/l2tp_core.c
net/l2tp/l2tp_core.h
net/l2tp/l2tp_ip6.c
net/l2tp/l2tp_ppp.c
net/mac80211/cfg.c
net/mac80211/ieee80211_i.h
net/mac80211/mesh_hwmp.c
net/mac80211/offchannel.c
net/mac80211/scan.c
net/mac80211/tx.c
net/netfilter/nf_conntrack_core.c
net/netfilter/nf_conntrack_standalone.c
net/netfilter/x_tables.c
net/netfilter/xt_CT.c
net/openvswitch/vport-netdev.c
net/packet/af_packet.c
net/sched/sch_netem.c
net/sctp/auth.c
net/sctp/endpointola.c
net/sctp/outqueue.c
net/sctp/sm_statefuns.c
net/sctp/socket.c
net/sctp/sysctl.c
net/sunrpc/sched.c
net/sunrpc/svcsock.c
net/wireless/scan.c
net/xfrm/xfrm_policy.c
net/xfrm/xfrm_replay.c
samples/seccomp/Makefile
scripts/checkpatch.pl
security/capability.c
security/security.c
security/selinux/hooks.c
security/selinux/include/classmap.h
security/selinux/include/objsec.h
sound/pci/hda/hda_intel.c
sound/pci/hda/patch_realtek.c
sound/soc/codecs/arizona.c
sound/soc/codecs/wm2200.c
sound/soc/codecs/wm5102.c
sound/soc/codecs/wm5110.c
sound/soc/codecs/wm_adsp.c
sound/soc/fsl/imx-pcm-dma.c
sound/soc/fsl/imx-pcm-fiq.c
sound/soc/fsl/imx-pcm.c
sound/soc/fsl/imx-pcm.h
sound/soc/soc-dapm.c
sound/usb/mixer.c
tools/vm/.gitignore [new file with mode: 0644]

index 728c38c242d631b88117958360c6f8441a72be4b..56fb62b09fc59ad757fc81de6ad6e478b3b0184b 100644 (file)
@@ -141,3 +141,4 @@ Version History
 1.2.0  Handle creation of arrays that contain failed devices.
 1.3.0  Added support for RAID 10
 1.3.1  Allow device replacement/rebuild for RAID 10
+1.3.2   Fix/improve redundancy checking for RAID10
old mode 100755 (executable)
new mode 100644 (file)
index 363e348bff9b93598587710de952a22c89f12bbe..6c723811c0a09f3ad5b2b18fa32ef12aa55cd82a 100644 (file)
@@ -2438,7 +2438,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        real-time workloads.  It can also improve energy
                        efficiency for asymmetric multiprocessors.
 
-       rcu_nocbs_poll  [KNL,BOOT]
+       rcu_nocb_poll   [KNL,BOOT]
                        Rather than requiring that offloaded CPUs
                        (specified by rcu_nocbs= above) explicitly
                        awaken the corresponding "rcuoN" kthreads,
index 406d82d5d2bb1e08a8cb9e4c548ce937f448b376..e540fd67f767efdc855e3b2d01c8f8af1a14ef4d 100644 (file)
@@ -57,6 +57,10 @@ Protocol 2.10:       (Kernel 2.6.31) Added a protocol for relaxed alignment
 Protocol 2.11: (Kernel 3.6) Added a field for offset of EFI handover
                protocol entry point.
 
+Protocol 2.12: (Kernel 3.8) Added the xloadflags field and extension fields
+               to struct boot_params for for loading bzImage and ramdisk
+               above 4G in 64bit.
+
 **** MEMORY LAYOUT
 
 The traditional memory map for the kernel loader, used for Image or
@@ -182,7 +186,7 @@ Offset      Proto   Name            Meaning
 0230/4 2.05+   kernel_alignment Physical addr alignment required for kernel
 0234/1 2.05+   relocatable_kernel Whether kernel is relocatable or not
 0235/1 2.10+   min_alignment   Minimum alignment, as a power of two
-0236/2 N/A     pad3            Unused
+0236/2 2.12+   xloadflags      Boot protocol option flags
 0238/4 2.06+   cmdline_size    Maximum size of the kernel command line
 023C/4 2.07+   hardware_subarch Hardware subarchitecture
 0240/8 2.07+   hardware_subarch_data Subarchitecture-specific data
@@ -582,6 +586,27 @@ Protocol:  2.10+
   misaligned kernel.  Therefore, a loader should typically try each
   power-of-two alignment from kernel_alignment down to this alignment.
 
+Field name:     xloadflags
+Type:           read
+Offset/size:    0x236/2
+Protocol:       2.12+
+
+  This field is a bitmask.
+
+  Bit 0 (read):        XLF_KERNEL_64
+       - If 1, this kernel has the legacy 64-bit entry point at 0x200.
+
+  Bit 1 (read): XLF_CAN_BE_LOADED_ABOVE_4G
+        - If 1, kernel/boot_params/cmdline/ramdisk can be above 4G.
+
+  Bit 2 (read):        XLF_EFI_HANDOVER_32
+       - If 1, the kernel supports the 32-bit EFI handoff entry point
+          given at handover_offset.
+
+  Bit 3 (read): XLF_EFI_HANDOVER_64
+       - If 1, the kernel supports the 64-bit EFI handoff entry point
+          given at handover_offset + 0x200.
+
 Field name:    cmdline_size
 Type:          read
 Offset/size:   0x238/4
index cf5437deda81a003864f9e8a5f4e533d276a189d..199f453cb4de10016030c2dd230fb9a3a3125cee 100644 (file)
@@ -19,6 +19,9 @@ Offset        Proto   Name            Meaning
 090/010        ALL     hd1_info        hd1 disk parameter, OBSOLETE!!
 0A0/010        ALL     sys_desc_table  System description table (struct sys_desc_table)
 0B0/010        ALL     olpc_ofw_header OLPC's OpenFirmware CIF and friends
+0C0/004        ALL     ext_ramdisk_image ramdisk_image high 32bits
+0C4/004        ALL     ext_ramdisk_size  ramdisk_size high 32bits
+0C8/004        ALL     ext_cmd_line_ptr  cmd_line_ptr high 32bits
 140/080        ALL     edid_info       Video mode setup (struct edid_info)
 1C0/020        ALL     efi_info        EFI 32 information (struct efi_info)
 1E0/004        ALL     alk_mem_k       Alternative mem check, in KB
@@ -27,6 +30,7 @@ Offset        Proto   Name            Meaning
 1E9/001        ALL     eddbuf_entries  Number of entries in eddbuf (below)
 1EA/001        ALL     edd_mbr_sig_buf_entries Number of entries in edd_mbr_sig_buffer
                                (below)
+1EF/001        ALL     sentinel        Used to detect broken bootloaders
 290/040        ALL     edd_mbr_sig_buffer EDD MBR signatures
 2D0/A00        ALL     e820_map        E820 memory map table
                                (array of struct e820entry)
index 8ae709e34523c4eb25c7cde1e4e4a9afb7e9704d..35a56bcd5e75c0502d01eb2c2e863b044088a972 100644 (file)
@@ -1489,7 +1489,7 @@ AVR32 ARCHITECTURE
 M:     Haavard Skinnemoen <hskinnemoen@gmail.com>
 M:     Hans-Christian Egtvedt <egtvedt@samfundet.no>
 W:     http://www.atmel.com/products/AVR32/
-W:     http://avr32linux.org/
+W:     http://mirror.egtvedt.no/avr32linux.org/
 W:     http://avrfreaks.net/
 S:     Maintained
 F:     arch/avr32/
@@ -2966,7 +2966,7 @@ S:        Maintained
 F:     drivers/net/ethernet/i825xx/eexpress.*
 
 ETHERNET BRIDGE
-M:     Stephen Hemminger <shemminger@vyatta.com>
+M:     Stephen Hemminger <stephen@networkplumber.org>
 L:     bridge@lists.linux-foundation.org
 L:     netdev@vger.kernel.org
 W:     http://www.linuxfoundation.org/en/Net:Bridge
@@ -4905,7 +4905,7 @@ S:        Maintained
 
 MARVELL GIGABIT ETHERNET DRIVERS (skge/sky2)
 M:     Mirko Lindner <mlindner@marvell.com>
-M:     Stephen Hemminger <shemminger@vyatta.com>
+M:     Stephen Hemminger <stephen@networkplumber.org>
 L:     netdev@vger.kernel.org
 S:     Maintained
 F:     drivers/net/ethernet/marvell/sk*
@@ -5180,7 +5180,7 @@ S:        Supported
 F:     drivers/infiniband/hw/nes/
 
 NETEM NETWORK EMULATOR
-M:     Stephen Hemminger <shemminger@vyatta.com>
+M:     Stephen Hemminger <stephen@networkplumber.org>
 L:     netem@lists.linux-foundation.org
 S:     Maintained
 F:     net/sched/sch_netem.c
@@ -7088,7 +7088,7 @@ F:        include/uapi/sound/
 F:     sound/
 
 SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC)
-M:     Liam Girdwood <lrg@ti.com>
+M:     Liam Girdwood <lgirdwood@gmail.com>
 M:     Mark Brown <broonie@opensource.wolfsonmicro.com>
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
 L:     alsa-devel@alsa-project.org (moderated for non-subscribers)
index 2d3c92c774fba36bfb7af7ff2fe8b3b9f6000654..08ef9bdb80c701c63234156affc2f152f0575b78 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 VERSION = 3
 PATCHLEVEL = 8
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
-NAME = Terrified Chipmunk
+EXTRAVERSION = -rc7
+NAME = Unicycling Gorilla
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
index 36ae03a3f5d1a07527145ff545ded90888ba0a7b..87dfa9026c5bdcb1ba9d57d718d00da671c8fe21 100644 (file)
@@ -351,6 +351,25 @@ void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq)
        irq_set_chained_handler(irq, gic_handle_cascade_irq);
 }
 
+static u8 gic_get_cpumask(struct gic_chip_data *gic)
+{
+       void __iomem *base = gic_data_dist_base(gic);
+       u32 mask, i;
+
+       for (i = mask = 0; i < 32; i += 4) {
+               mask = readl_relaxed(base + GIC_DIST_TARGET + i);
+               mask |= mask >> 16;
+               mask |= mask >> 8;
+               if (mask)
+                       break;
+       }
+
+       if (!mask)
+               pr_crit("GIC CPU mask not found - kernel will fail to boot.\n");
+
+       return mask;
+}
+
 static void __init gic_dist_init(struct gic_chip_data *gic)
 {
        unsigned int i;
@@ -369,7 +388,9 @@ static void __init gic_dist_init(struct gic_chip_data *gic)
        /*
         * Set all global interrupts to this CPU only.
         */
-       cpumask = readl_relaxed(base + GIC_DIST_TARGET + 0);
+       cpumask = gic_get_cpumask(gic);
+       cpumask |= cpumask << 8;
+       cpumask |= cpumask << 16;
        for (i = 32; i < gic_irqs; i += 4)
                writel_relaxed(cpumask, base + GIC_DIST_TARGET + i * 4 / 4);
 
@@ -400,7 +421,7 @@ static void __cpuinit gic_cpu_init(struct gic_chip_data *gic)
         * Get what the GIC says our CPU mask is.
         */
        BUG_ON(cpu >= NR_GIC_CPU_IF);
-       cpu_mask = readl_relaxed(dist_base + GIC_DIST_TARGET + 0);
+       cpu_mask = gic_get_cpumask(gic);
        gic_cpu_map[cpu] = cpu_mask;
 
        /*
index 73cf03aa981e1b665d9a40f4f80847335ca49441..1c4df27f93322604398d70f9c585332e97374b10 100644 (file)
@@ -37,7 +37,7 @@
  */
 #define PAGE_OFFSET            UL(CONFIG_PAGE_OFFSET)
 #define TASK_SIZE              (UL(CONFIG_PAGE_OFFSET) - UL(0x01000000))
-#define TASK_UNMAPPED_BASE     (UL(CONFIG_PAGE_OFFSET) / 3)
+#define TASK_UNMAPPED_BASE     ALIGN(TASK_SIZE / 3, SZ_16M)
 
 /*
  * The maximum size of a 26-bit user space task.
index e103c290bc9e37ca5871d8e8182493e9fa0447c5..85afb031b6766909354b88502c379598f2b1d37a 100644 (file)
@@ -414,7 +414,7 @@ config MACH_EXYNOS4_DT
        select CPU_EXYNOS4210
        select HAVE_SAMSUNG_KEYPAD if INPUT_KEYBOARD
        select PINCTRL
-       select PINCTRL_EXYNOS4
+       select PINCTRL_EXYNOS
        select USE_OF
        help
          Machine support for Samsung Exynos4 machine with device tree enabled.
index d6b5073692d2fdda8db2656a032f374894e57463..44754230fdcc3e23098f1cfcacee1530af508da4 100644 (file)
 /*
  * Only define NR_IRQS if less than NR_IRQS_EB
  */
-#define NR_IRQS_EB             (IRQ_EB_GIC_START + 96)
+#define NR_IRQS_EB             (IRQ_EB_GIC_START + 128)
 
 #if defined(CONFIG_MACH_REALVIEW_EB) \
        && (!defined(NR_IRQS) || (NR_IRQS < NR_IRQS_EB))
index 076c26d43864f8a5b3da49ac7231a62e8edde0c2..dda3904dc64c1cb3f7681cf20998397c1e103f76 100644 (file)
@@ -640,7 +640,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
 
        if (is_coherent || nommu())
                addr = __alloc_simple_buffer(dev, size, gfp, &page);
-       else if (gfp & GFP_ATOMIC)
+       else if (!(gfp & __GFP_WAIT))
                addr = __alloc_from_pool(size, &page);
        else if (!IS_ENABLED(CONFIG_CMA))
                addr = __alloc_remap_buffer(dev, size, gfp, prot, &page, caller);
index aaf5199d8fcbfb69ddca12e7d48fd816f791e341..b3d18f9f3e8d466a66c44fc665e2d04f58492d4a 100644 (file)
@@ -336,4 +336,14 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 
+/* drivers/base/dma-mapping.c */
+extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
+                          void *cpu_addr, dma_addr_t dma_addr, size_t size);
+extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
+                                 void *cpu_addr, dma_addr_t dma_addr,
+                                 size_t size);
+
+#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s)
+#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s)
+
 #endif /* __ASM_AVR32_DMA_MAPPING_H */
index bbf461076a0a2107ddc6ea932bc615fe74fdc7a1..054d9ec57d9dc1cea3eba24655a8e24349c06cef 100644 (file)
@@ -154,4 +154,14 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size,
        _dma_sync((dma_addr_t)vaddr, size, dir);
 }
 
+/* drivers/base/dma-mapping.c */
+extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
+                          void *cpu_addr, dma_addr_t dma_addr, size_t size);
+extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
+                                 void *cpu_addr, dma_addr_t dma_addr,
+                                 size_t size);
+
+#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s)
+#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s)
+
 #endif                         /* _BLACKFIN_DMA_MAPPING_H */
index 3c694065030f506708a9717ef7bbb5faf94f6bc1..88bd0d899bdbedfac95bfc99450f9f6fbcc00ca0 100644 (file)
@@ -89,4 +89,19 @@ extern void dma_free_coherent(struct device *, size_t, void *, dma_addr_t);
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent((d), (s), (h), (f))
 #define dma_free_noncoherent(d, s, v, h)  dma_free_coherent((d), (s), (v), (h))
 
+/* Not supported for now */
+static inline int dma_mmap_coherent(struct device *dev,
+                                   struct vm_area_struct *vma, void *cpu_addr,
+                                   dma_addr_t dma_addr, size_t size)
+{
+       return -EINVAL;
+}
+
+static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt,
+                                 void *cpu_addr, dma_addr_t dma_addr,
+                                 size_t size)
+{
+       return -EINVAL;
+}
+
 #endif /* _ASM_C6X_DMA_MAPPING_H */
index 8588b2ccf85444206480895bb067cd8c7366a558..2f0f654f1b4407484c0a22d1b418a44e5388f04f 100644 (file)
@@ -158,5 +158,15 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 {
 }
 
+/* drivers/base/dma-mapping.c */
+extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
+                          void *cpu_addr, dma_addr_t dma_addr, size_t size);
+extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
+                                 void *cpu_addr, dma_addr_t dma_addr,
+                                 size_t size);
+
+#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s)
+#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s)
+
 
 #endif
index dfb811002c640fcc790aaecf47727a1c5f83c5fa..1746a2b8e6e7287cd9ad612caa00af6bd9cd8a28 100644 (file)
@@ -132,4 +132,19 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
        flush_write_buffers();
 }
 
+/* Not supported for now */
+static inline int dma_mmap_coherent(struct device *dev,
+                                   struct vm_area_struct *vma, void *cpu_addr,
+                                   dma_addr_t dma_addr, size_t size)
+{
+       return -EINVAL;
+}
+
+static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt,
+                                 void *cpu_addr, dma_addr_t dma_addr,
+                                 size_t size)
+{
+       return -EINVAL;
+}
+
 #endif  /* _ASM_DMA_MAPPING_H */
index 3e6b8445af6a07285255fc5ce0fa80ab10003d8b..292805f0762ebd100351944c0d5abe9713b07cf2 100644 (file)
@@ -115,4 +115,14 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t handle)
 #include <asm-generic/dma-mapping-broken.h>
 #endif
 
+/* drivers/base/dma-mapping.c */
+extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
+                          void *cpu_addr, dma_addr_t dma_addr, size_t size);
+extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
+                                 void *cpu_addr, dma_addr_t dma_addr,
+                                 size_t size);
+
+#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s)
+#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s)
+
 #endif  /* _M68K_DMA_MAPPING_H */
index d7af29f1fcf0079c7ccdcae5af9f0add4c8c2c80..ba611927749b9f81def164126a2b2b1d00bf42c5 100644 (file)
@@ -8,8 +8,10 @@ config BCM47XX_SSB
        select SSB_DRIVER_EXTIF
        select SSB_EMBEDDED
        select SSB_B43_PCI_BRIDGE if PCI
+       select SSB_DRIVER_PCICORE if PCI
        select SSB_PCICORE_HOSTMODE if PCI
        select SSB_DRIVER_GPIO
+       select GPIOLIB
        default y
        help
         Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support.
@@ -25,6 +27,7 @@ config BCM47XX_BCMA
        select BCMA_HOST_PCI if PCI
        select BCMA_DRIVER_PCI_HOSTMODE if PCI
        select BCMA_DRIVER_GPIO
+       select GPIOLIB
        default y
        help
         Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.
index 9f883bf769530d18c880416850060cd738bb0fa8..33b72144db3100625bd17991c1651ddd803ddf2b 100644 (file)
@@ -30,6 +30,7 @@
  * measurement, and debugging facilities.
  */
 
+#include <linux/compiler.h>
 #include <linux/irqflags.h>
 #include <asm/octeon/cvmx.h>
 #include <asm/octeon/cvmx-l2c.h>
@@ -285,22 +286,22 @@ uint64_t cvmx_l2c_read_perf(uint32_t counter)
  */
 static void fault_in(uint64_t addr, int len)
 {
-       volatile char *ptr;
-       volatile char dummy;
+       char *ptr;
+
        /*
         * Adjust addr and length so we get all cache lines even for
         * small ranges spanning two cache lines.
         */
        len += addr & CVMX_CACHE_LINE_MASK;
        addr &= ~CVMX_CACHE_LINE_MASK;
-       ptr = (volatile char *)cvmx_phys_to_ptr(addr);
+       ptr = cvmx_phys_to_ptr(addr);
        /*
         * Invalidate L1 cache to make sure all loads result in data
         * being in L2.
         */
        CVMX_DCACHE_INVALIDATE;
        while (len > 0) {
-               dummy += *ptr;
+               ACCESS_ONCE(*ptr);
                len -= CVMX_CACHE_LINE_SIZE;
                ptr += CVMX_CACHE_LINE_SIZE;
        }
diff --git a/arch/mips/include/asm/break.h b/arch/mips/include/asm/break.h
deleted file mode 100644 (file)
index 9161e68..0000000
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * 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) 1995, 2003 by Ralf Baechle
- * Copyright (C) 1999 Silicon Graphics, Inc.
- */
-#ifndef __ASM_BREAK_H
-#define __ASM_BREAK_H
-
-/*
- * The following break codes are or were in use for specific purposes in
- * other MIPS operating systems.  Linux/MIPS doesn't use all of them.  The
- * unused ones are here as placeholders; we might encounter them in
- * non-Linux/MIPS object files or make use of them in the future.
- */
-#define BRK_USERBP     0       /* User bp (used by debuggers) */
-#define BRK_KERNELBP   1       /* Break in the kernel */
-#define BRK_ABORT      2       /* Sometimes used by abort(3) to SIGIOT */
-#define BRK_BD_TAKEN   3       /* For bd slot emulation - not implemented */
-#define BRK_BD_NOTTAKEN        4       /* For bd slot emulation - not implemented */
-#define BRK_SSTEPBP    5       /* User bp (used by debuggers) */
-#define BRK_OVERFLOW   6       /* Overflow check */
-#define BRK_DIVZERO    7       /* Divide by zero check */
-#define BRK_RANGE      8       /* Range error check */
-#define BRK_STACKOVERFLOW 9    /* For Ada stackchecking */
-#define BRK_NORLD      10      /* No rld found - not used by Linux/MIPS */
-#define _BRK_THREADBP  11      /* For threads, user bp (used by debuggers) */
-#define BRK_BUG                512     /* Used by BUG() */
-#define BRK_KDB                513     /* Used in KDB_ENTER() */
-#define BRK_MEMU       514     /* Used by FPU emulator */
-#define BRK_KPROBE_BP  515     /* Kprobe break */
-#define BRK_KPROBE_SSTEPBP 516 /* Kprobe single step software implementation */
-#define BRK_MULOVF     1023    /* Multiply overflow */
-
-#endif /* __ASM_BREAK_H */
index e9bfc0813c72e99a46b29dadb1c3556843fc31a1..7bfad0520e25731c548c949ccecc045e91bba002 100644 (file)
@@ -16,7 +16,7 @@
 #include <asm/mipsregs.h>
 
 #define DSP_DEFAULT    0x00000000
-#define DSP_MASK       0x3ff
+#define DSP_MASK       0x3f
 
 #define __enable_dsp_hazard()                                          \
 do {                                                                   \
index ab84064283db2c50d847d888b32e42a4d316dd7d..33c34adbecfa19ae457699d449d8242ed5a0f43c 100644 (file)
@@ -353,6 +353,7 @@ union mips_instruction {
        struct u_format u_format;
        struct c_format c_format;
        struct r_format r_format;
+       struct p_format p_format;
        struct f_format f_format;
        struct ma_format ma_format;
        struct b_format b_format;
index edaa06d9d492171090e10ee08ad370fae79bebe9..e410df4e1b3a650d99d8981c7b63c04d4218daf4 100644 (file)
@@ -21,4 +21,4 @@
 #define R10000_LLSC_WAR                        0
 #define MIPS34K_MISSED_ITLB_WAR                0
 
-#endif /* __ASM_MIPS_MACH_PNX8550_WAR_H */
+#endif /* __ASM_MIPS_MACH_PNX833X_WAR_H */
index c63191055e695c5a49812f3f32ed0c913d941a0a..013d5f781263e20cf3d9e93cf14b6552c4386cc8 100644 (file)
@@ -230,6 +230,7 @@ static inline void pud_clear(pud_t *pudp)
 #else
 #define pte_pfn(x)             ((unsigned long)((x).pte >> _PFN_SHIFT))
 #define pfn_pte(pfn, prot)     __pte(((pfn) << _PFN_SHIFT) | pgprot_val(prot))
+#define pfn_pmd(pfn, prot)     __pmd(((pfn) << _PFN_SHIFT) | pgprot_val(prot))
 #endif
 
 #define __pgd_offset(address)  pgd_index(address)
index a1a0452ac1853333b07dac4dc7495c9bdd2514a5..77d4fb33f75ad1dd765ba69f697ed771312b3e9a 100644 (file)
@@ -3,6 +3,7 @@ include include/uapi/asm-generic/Kbuild.asm
 
 header-y += auxvec.h
 header-y += bitsperlong.h
+header-y += break.h
 header-y += byteorder.h
 header-y += cachectl.h
 header-y += errno.h
diff --git a/arch/mips/include/uapi/asm/break.h b/arch/mips/include/uapi/asm/break.h
new file mode 100644 (file)
index 0000000..9161e68
--- /dev/null
@@ -0,0 +1,37 @@
+/*
+ * 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) 1995, 2003 by Ralf Baechle
+ * Copyright (C) 1999 Silicon Graphics, Inc.
+ */
+#ifndef __ASM_BREAK_H
+#define __ASM_BREAK_H
+
+/*
+ * The following break codes are or were in use for specific purposes in
+ * other MIPS operating systems.  Linux/MIPS doesn't use all of them.  The
+ * unused ones are here as placeholders; we might encounter them in
+ * non-Linux/MIPS object files or make use of them in the future.
+ */
+#define BRK_USERBP     0       /* User bp (used by debuggers) */
+#define BRK_KERNELBP   1       /* Break in the kernel */
+#define BRK_ABORT      2       /* Sometimes used by abort(3) to SIGIOT */
+#define BRK_BD_TAKEN   3       /* For bd slot emulation - not implemented */
+#define BRK_BD_NOTTAKEN        4       /* For bd slot emulation - not implemented */
+#define BRK_SSTEPBP    5       /* User bp (used by debuggers) */
+#define BRK_OVERFLOW   6       /* Overflow check */
+#define BRK_DIVZERO    7       /* Divide by zero check */
+#define BRK_RANGE      8       /* Range error check */
+#define BRK_STACKOVERFLOW 9    /* For Ada stackchecking */
+#define BRK_NORLD      10      /* No rld found - not used by Linux/MIPS */
+#define _BRK_THREADBP  11      /* For threads, user bp (used by debuggers) */
+#define BRK_BUG                512     /* Used by BUG() */
+#define BRK_KDB                513     /* Used in KDB_ENTER() */
+#define BRK_MEMU       514     /* Used by FPU emulator */
+#define BRK_KPROBE_BP  515     /* Kprobe break */
+#define BRK_KPROBE_SSTEPBP 516 /* Kprobe single step software implementation */
+#define BRK_MULOVF     1023    /* Multiply overflow */
+
+#endif /* __ASM_BREAK_H */
index 6a2d758dd8e9ed0b4a0afb043d2972869620834c..83fa1460e294e02cf602cd5d611af6d02abbba39 100644 (file)
 #define MCOUNT_OFFSET_INSNS 4
 #endif
 
+/* Arch override because MIPS doesn't need to run this from stop_machine() */
+void arch_ftrace_update_code(int command)
+{
+       ftrace_modify_all_code(command);
+}
+
 /*
  * Check if the address is in kernel space
  *
@@ -89,6 +95,24 @@ static int ftrace_modify_code(unsigned long ip, unsigned int new_code)
        return 0;
 }
 
+#ifndef CONFIG_64BIT
+static int ftrace_modify_code_2(unsigned long ip, unsigned int new_code1,
+                               unsigned int new_code2)
+{
+       int faulted;
+
+       safe_store_code(new_code1, ip, faulted);
+       if (unlikely(faulted))
+               return -EFAULT;
+       ip += 4;
+       safe_store_code(new_code2, ip, faulted);
+       if (unlikely(faulted))
+               return -EFAULT;
+       flush_icache_range(ip, ip + 8); /* original ip + 12 */
+       return 0;
+}
+#endif
+
 /*
  * The details about the calling site of mcount on MIPS
  *
@@ -131,8 +155,18 @@ int ftrace_make_nop(struct module *mod,
         * needed.
         */
        new = in_kernel_space(ip) ? INSN_NOP : INSN_B_1F;
-
+#ifdef CONFIG_64BIT
        return ftrace_modify_code(ip, new);
+#else
+       /*
+        * On 32 bit MIPS platforms, gcc adds a stack adjust
+        * instruction in the delay slot after the branch to
+        * mcount and expects mcount to restore the sp on return.
+        * This is based on a legacy API and does nothing but
+        * waste instructions so it's being removed at runtime.
+        */
+       return ftrace_modify_code_2(ip, new, INSN_NOP);
+#endif
 }
 
 int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
index 4c968e7efb747d997ec20ba8ceeb500f4c12807d..1658676733576e74867347f0f7d122df0c5a023e 100644 (file)
@@ -46,9 +46,8 @@
        PTR_L   a5, PT_R9(sp)
        PTR_L   a6, PT_R10(sp)
        PTR_L   a7, PT_R11(sp)
-       PTR_ADDIU       sp, PT_SIZE
 #else
-       PTR_ADDIU       sp, (PT_SIZE + 8)
+       PTR_ADDIU       sp, PT_SIZE
 #endif
 .endm
 
@@ -69,7 +68,9 @@ NESTED(ftrace_caller, PT_SIZE, ra)
        .globl _mcount
 _mcount:
        b       ftrace_stub
-        nop
+       addiu sp,sp,8
+
+       /* When tracing is activated, it calls ftrace_caller+8 (aka here) */
        lw      t1, function_trace_stop
        bnez    t1, ftrace_stub
         nop
index eec690af6581616957089993e2decfd91f13b4fd..147cec19621d7a433429e66433fdd993c2abd62e 100644 (file)
@@ -705,7 +705,7 @@ static int vpe_run(struct vpe * v)
 
                        printk(KERN_WARNING
                               "VPE loader: TC %d is already in use.\n",
-                               t->index);
+                              v->tc->index);
                        return -ENOEXEC;
                }
        } else {
index f36acd1b38086d341458d927c4c4db99d3a40e0f..a7935bf0fecbf789299a2547abb7b0b2e8677e2b 100644 (file)
@@ -408,7 +408,7 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent)
 #endif
 
        /* tell oprofile which irq to use */
-       cp0_perfcount_irq = LTQ_PERF_IRQ;
+       cp0_perfcount_irq = irq_create_mapping(ltq_domain, LTQ_PERF_IRQ);
 
        /*
         * if the timer irq is not one of the mips irqs we need to
index dc81ca8dc0dd4b0ccd81ae2edc78b059aa8fd016..288f7954988d06ef61cc94bbf29dfeab322796b8 100644 (file)
@@ -21,7 +21,7 @@ void __delay(unsigned long loops)
        "       .set    noreorder                               \n"
        "       .align  3                                       \n"
        "1:     bnez    %0, 1b                                  \n"
-#if __SIZEOF_LONG__ == 4
+#if BITS_PER_LONG == 32
        "       subu    %0, 1                                   \n"
 #else
        "       dsubu   %0, 1                                   \n"
index 7657fd21cd3fb35779ad6a37ff65c73547cedc88..cacfd31e8ec9d1121c86e81feb35fac4344a9a3b 100644 (file)
@@ -190,9 +190,3 @@ void __iounmap(const volatile void __iomem *addr)
 
 EXPORT_SYMBOL(__ioremap);
 EXPORT_SYMBOL(__iounmap);
-
-int __virt_addr_valid(const volatile void *kaddr)
-{
-       return pfn_valid(PFN_DOWN(virt_to_phys(kaddr)));
-}
-EXPORT_SYMBOL_GPL(__virt_addr_valid);
index d9be7540a6be7979a265a3ce32acbbe241b2b91c..7e5fe2790d8a212a8d0163989280918d26a46a3c 100644 (file)
@@ -192,3 +192,9 @@ unsigned long arch_randomize_brk(struct mm_struct *mm)
 
        return ret;
 }
+
+int __virt_addr_valid(const volatile void *kaddr)
+{
+       return pfn_valid(PFN_DOWN(virt_to_phys(kaddr)));
+}
+EXPORT_SYMBOL_GPL(__virt_addr_valid);
index 4e7f49d3d5a8105c45dd09a6b86999ed0506a7d7..c5ce6992ac4c7086aea4167a7460723a5d0cb7be 100644 (file)
@@ -193,8 +193,11 @@ static void nlm_init_node(void)
 
 void __init prom_init(void)
 {
-       int i, *argv, *envp;            /* passed as 32 bit ptrs */
+       int *argv, *envp;               /* passed as 32 bit ptrs */
        struct psb_info *prom_infop;
+#ifdef CONFIG_SMP
+       int i;
+#endif
 
        /* truncate to 32 bit and sign extend all args */
        argv = (int *)(long)(int)fw_arg1;
index 1552522b8718bffb86762229ef5279b93094df16..6eaa4f2d0e38cb8c85e31734c7e090ec9a491cb3 100644 (file)
@@ -24,7 +24,7 @@
 #include <asm/mach-ath79/pci.h>
 
 #define AR71XX_PCI_MEM_BASE    0x10000000
-#define AR71XX_PCI_MEM_SIZE    0x08000000
+#define AR71XX_PCI_MEM_SIZE    0x07000000
 
 #define AR71XX_PCI_WIN0_OFFS           0x10000000
 #define AR71XX_PCI_WIN1_OFFS           0x11000000
index 86d77a666458bae80c60f94c9fc405dca5f8459c..c11c75be2d7e06ab0b1232c35926a8ec3c5ba574 100644 (file)
@@ -21,7 +21,7 @@
 #define AR724X_PCI_CTRL_SIZE   0x100
 
 #define AR724X_PCI_MEM_BASE    0x10000000
-#define AR724X_PCI_MEM_SIZE    0x08000000
+#define AR724X_PCI_MEM_SIZE    0x04000000
 
 #define AR724X_PCI_REG_RESET           0x18
 #define AR724X_PCI_REG_INT_STATUS      0x4c
index c1be4397b1edb4b059e917331c5ef8173bcf1096..a18abfc558eb1d41b99cd22798976f517196b7bd 100644 (file)
@@ -168,4 +168,19 @@ void dma_cache_sync(void *vaddr, size_t size,
        mn10300_dcache_flush_inv();
 }
 
+/* Not supported for now */
+static inline int dma_mmap_coherent(struct device *dev,
+                                   struct vm_area_struct *vma, void *cpu_addr,
+                                   dma_addr_t dma_addr, size_t size)
+{
+       return -EINVAL;
+}
+
+static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt,
+                                 void *cpu_addr, dma_addr_t dma_addr,
+                                 size_t size)
+{
+       return -EINVAL;
+}
+
 #endif
index 467bbd510eac04a5bc86a3f97f70332cf636ec19..106b395688e1d167bf764a76de70d5d58e4109d7 100644 (file)
@@ -238,4 +238,19 @@ void * sba_get_iommu(struct parisc_device *dev);
 /* At the moment, we panic on error for IOMMU resource exaustion */
 #define dma_mapping_error(dev, x)      0
 
+/* This API cannot be supported on PA-RISC */
+static inline int dma_mmap_coherent(struct device *dev,
+                                   struct vm_area_struct *vma, void *cpu_addr,
+                                   dma_addr_t dma_addr, size_t size)
+{
+       return -EINVAL;
+}
+
+static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt,
+                                 void *cpu_addr, dma_addr_t dma_addr,
+                                 size_t size)
+{
+       return -EINVAL;
+}
+
 #endif
index d22e73e4618b7924879517f1f59cb99dcd63b43e..e514de57a125333a4ce174cb399070b6cc62e3b4 100644 (file)
@@ -439,6 +439,8 @@ ret_from_fork:
 ret_from_kernel_thread:
        REST_NVGPRS(r1)
        bl      schedule_tail
+       li      r3,0
+       stw     r3,0(r1)
        mtlr    r14
        mr      r3,r15
        PPC440EP_ERR42
index b310a0573625dec8a672c267ab6158f8e90b37a6..3d990d3bd8baf5923d019208f7782d42e7f8a458 100644 (file)
@@ -664,6 +664,19 @@ resume_kernel:
        ld      r4,TI_FLAGS(r9)
        andi.   r0,r4,_TIF_NEED_RESCHED
        bne     1b
+
+       /*
+        * arch_local_irq_restore() from preempt_schedule_irq above may
+        * enable hard interrupt but we really should disable interrupts
+        * when we return from the interrupt, and so that we don't get
+        * interrupted after loading SRR0/1.
+        */
+#ifdef CONFIG_PPC_BOOK3E
+       wrteei  0
+#else
+       ld      r10,PACAKMSR(r13) /* Get kernel MSR without EE */
+       mtmsrd  r10,1             /* Update machine state */
+#endif /* CONFIG_PPC_BOOK3E */
 #endif /* CONFIG_PREEMPT */
 
        .globl  fast_exc_return_irq
index c470a40b29f5d4937883cfcd8a40dd1c6bbdcfd1..a7bc7521c0645c6eb697308f039fb74eaad6b4af 100644 (file)
@@ -154,12 +154,12 @@ static int kgdb_handle_breakpoint(struct pt_regs *regs)
 static int kgdb_singlestep(struct pt_regs *regs)
 {
        struct thread_info *thread_info, *exception_thread_info;
-       struct thread_info *backup_current_thread_info = \
-               (struct thread_info *)kmalloc(sizeof(struct thread_info), GFP_KERNEL);
+       struct thread_info *backup_current_thread_info;
 
        if (user_mode(regs))
                return 0;
 
+       backup_current_thread_info = (struct thread_info *)kmalloc(sizeof(struct thread_info), GFP_KERNEL);
        /*
         * On Book E and perhaps other processors, singlestep is handled on
         * the critical exception stack.  This causes current_thread_info()
@@ -185,6 +185,7 @@ static int kgdb_singlestep(struct pt_regs *regs)
                /* Restore current_thread_info lastly. */
                memcpy(exception_thread_info, backup_current_thread_info, sizeof *thread_info);
 
+       kfree(backup_current_thread_info);
        return 1;
 }
 
index 6f6b1cccc91662037115e69dc072ac1f7a376be5..127361e093f49931a87f3fdbc8cad4c88eae5679 100644 (file)
@@ -494,10 +494,15 @@ void timer_interrupt(struct pt_regs * regs)
        set_dec(DECREMENTER_MAX);
 
        /* Some implementations of hotplug will get timer interrupts while
-        * offline, just ignore these
+        * offline, just ignore these and we also need to set
+        * decrementers_next_tb as MAX to make sure __check_irq_replay
+        * don't replay timer interrupt when return, otherwise we'll trap
+        * here infinitely :(
         */
-       if (!cpu_online(smp_processor_id()))
+       if (!cpu_online(smp_processor_id())) {
+               *next_tb = ~(u64)0;
                return;
+       }
 
        /* Conditionally hard-enable interrupts now that the DEC has been
         * bumped to its maximum value
index 56585086413a4f9876c70eb6b6ea9f3cf1c1ef69..7443481a315c4922063a5f8801c62ee9bfb7691f 100644 (file)
@@ -115,11 +115,13 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
        sldi    r29,r5,SID_SHIFT - VPN_SHIFT
        rldicl  r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT - VPN_SHIFT)
        or      r29,r28,r29
-
-       /* Calculate hash value for primary slot and store it in r28 */
-       rldicl  r5,r5,0,25              /* vsid & 0x0000007fffffffff */
-       rldicl  r0,r3,64-12,48          /* (ea >> 12) & 0xffff */
-       xor     r28,r5,r0
+       /*
+        * Calculate hash value for primary slot and store it in r28
+        * r3 = va, r5 = vsid
+        * r0 = (va >> 12) & ((1ul << (28 - 12)) -1)
+        */
+       rldicl  r0,r3,64-12,48
+       xor     r28,r5,r0               /* hash */
        b       4f
 
 3:     /* Calc vpn and put it in r29 */
@@ -130,11 +132,12 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
        /*
         * calculate hash value for primary slot and
         * store it in r28 for 1T segment
+        * r3 = va, r5 = vsid
         */
-       rldic   r28,r5,25,25            /* (vsid << 25) & 0x7fffffffff */
-       clrldi  r5,r5,40                /* vsid & 0xffffff */
-       rldicl  r0,r3,64-12,36          /* (ea >> 12) & 0xfffffff */
-       xor     r28,r28,r5
+       sldi    r28,r5,25               /* vsid << 25 */
+       /* r0 =  (va >> 12) & ((1ul << (40 - 12)) -1) */
+       rldicl  r0,r3,64-12,36
+       xor     r28,r28,r5              /* vsid ^ ( vsid << 25) */
        xor     r28,r28,r0              /* hash */
 
        /* Convert linux PTE bits into HW equivalents */
@@ -407,11 +410,13 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
         */
        rldicl  r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT - VPN_SHIFT)
        or      r29,r28,r29
-
-       /* Calculate hash value for primary slot and store it in r28 */
-       rldicl  r5,r5,0,25              /* vsid & 0x0000007fffffffff */
-       rldicl  r0,r3,64-12,48          /* (ea >> 12) & 0xffff */
-       xor     r28,r5,r0
+       /*
+        * Calculate hash value for primary slot and store it in r28
+        * r3 = va, r5 = vsid
+        * r0 = (va >> 12) & ((1ul << (28 - 12)) -1)
+        */
+       rldicl  r0,r3,64-12,48
+       xor     r28,r5,r0               /* hash */
        b       4f
 
 3:     /* Calc vpn and put it in r29 */
@@ -426,11 +431,12 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
        /*
         * Calculate hash value for primary slot and
         * store it in r28  for 1T segment
+        * r3 = va, r5 = vsid
         */
-       rldic   r28,r5,25,25            /* (vsid << 25) & 0x7fffffffff */
-       clrldi  r5,r5,40                /* vsid & 0xffffff */
-       rldicl  r0,r3,64-12,36          /* (ea >> 12) & 0xfffffff */
-       xor     r28,r28,r5
+       sldi    r28,r5,25               /* vsid << 25 */
+       /* r0 = (va >> 12) & ((1ul << (40 - 12)) -1) */
+       rldicl  r0,r3,64-12,36
+       xor     r28,r28,r5              /* vsid ^ ( vsid << 25) */
        xor     r28,r28,r0              /* hash */
 
        /* Convert linux PTE bits into HW equivalents */
@@ -752,25 +758,27 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
        rldicl  r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT - VPN_SHIFT)
        or      r29,r28,r29
 
-       /* Calculate hash value for primary slot and store it in r28 */
-       rldicl  r5,r5,0,25              /* vsid & 0x0000007fffffffff */
-       rldicl  r0,r3,64-16,52          /* (ea >> 16) & 0xfff */
-       xor     r28,r5,r0
+       /* Calculate hash value for primary slot and store it in r28
+        * r3 = va, r5 = vsid
+        * r0 = (va >> 16) & ((1ul << (28 - 16)) -1)
+        */
+       rldicl  r0,r3,64-16,52
+       xor     r28,r5,r0               /* hash */
        b       4f
 
 3:     /* Calc vpn and put it in r29 */
        sldi    r29,r5,SID_SHIFT_1T - VPN_SHIFT
        rldicl  r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT_1T - VPN_SHIFT)
        or      r29,r28,r29
-
        /*
         * calculate hash value for primary slot and
         * store it in r28 for 1T segment
+        * r3 = va, r5 = vsid
         */
-       rldic   r28,r5,25,25            /* (vsid << 25) & 0x7fffffffff */
-       clrldi  r5,r5,40                /* vsid & 0xffffff */
-       rldicl  r0,r3,64-16,40          /* (ea >> 16) & 0xffffff */
-       xor     r28,r28,r5
+       sldi    r28,r5,25               /* vsid << 25 */
+       /* r0 = (va >> 16) & ((1ul << (40 - 16)) -1) */
+       rldicl  r0,r3,64-16,40
+       xor     r28,r28,r5              /* vsid ^ ( vsid << 25) */
        xor     r28,r28,r0              /* hash */
 
        /* Convert linux PTE bits into HW equivalents */
index 315f9495e9b2b5aa42a6c9aaba5a6307ac03ddde..f444b94935f560f6a7abf1a1de46d88cd32e71d5 100644 (file)
@@ -52,7 +52,7 @@ static int power7_marked_instr_event(u64 mmcr1)
        for (pmc = 0; pmc < 4; pmc++) {
                psel = mmcr1 & (OPROFILE_PM_PMCSEL_MSK
                                << (OPROFILE_MAX_PMC_NUM - pmc)
-                               * OPROFILE_MAX_PMC_NUM);
+                               * OPROFILE_PMSEL_FIELD_WIDTH);
                psel = (psel >> ((OPROFILE_MAX_PMC_NUM - pmc)
                                 * OPROFILE_PMSEL_FIELD_WIDTH)) & ~1ULL;
                unit = mmcr1 & (OPROFILE_PM_UNIT_MSK
index 95d00173029f52c498902a586a24917f09e99d4b..890f30e70f98fc52a39f063172cfbadc5e8713b4 100644 (file)
@@ -236,6 +236,13 @@ out:
 
 static int pas_cpufreq_cpu_exit(struct cpufreq_policy *policy)
 {
+       /*
+        * We don't support CPU hotplug. Don't unmap after the system
+        * has already made it to a running state.
+        */
+       if (system_state != SYSTEM_BOOTING)
+               return 0;
+
        if (sdcasr_mapbase)
                iounmap(sdcasr_mapbase);
        if (sdcpwr_mapbase)
index c1d7930a82f4527657fa6eda9501dae446c164a9..098adbb62660be234d4d2ed5171d5c0615027f31 100644 (file)
@@ -1365,6 +1365,18 @@ static inline void pmdp_invalidate(struct vm_area_struct *vma,
        __pmd_idte(address, pmdp);
 }
 
+#define __HAVE_ARCH_PMDP_SET_WRPROTECT
+static inline void pmdp_set_wrprotect(struct mm_struct *mm,
+                                     unsigned long address, pmd_t *pmdp)
+{
+       pmd_t pmd = *pmdp;
+
+       if (pmd_write(pmd)) {
+               __pmd_idte(address, pmdp);
+               set_pmd_at(mm, address, pmdp, pmd_wrprotect(pmd));
+       }
+}
+
 static inline pmd_t mk_pmd_phys(unsigned long physpage, pgprot_t pgprot)
 {
        pmd_t __pmd;
index 79795af598105e9998f0de234b279fb6c61ca42f..225543bf45a5ca551f9609b18cf8711f729f71e7 100644 (file)
@@ -2138,6 +2138,7 @@ config OLPC_XO1_RTC
 config OLPC_XO1_SCI
        bool "OLPC XO-1 SCI extras"
        depends on OLPC && OLPC_XO1_PM
+       depends on INPUT=y
        select POWER_SUPPLY
        select GPIO_CS5535
        select MFD_CORE
index ccce0ed67dde703a80c78309252abbef17828291..379814bc41e3a956dc037a5f1d4ca23709854fbc 100644 (file)
@@ -71,7 +71,7 @@ GCOV_PROFILE := n
 $(obj)/bzImage: asflags-y  := $(SVGA_MODE)
 
 quiet_cmd_image = BUILD   $@
-cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin > $@
+cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/zoffset.h > $@
 
 $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
        $(call if_changed,image)
@@ -92,7 +92,7 @@ targets += voffset.h
 $(obj)/voffset.h: vmlinux FORCE
        $(call if_changed,voffset)
 
-sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p'
+sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|startup_64\|efi_pe_entry\|efi_stub_entry\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p'
 
 quiet_cmd_zoffset = ZOFFSET $@
       cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@
index 18e329ca108e5f720adf1974fa1e90c8b2626991..f8fa41190c3526f61ec7bb6e1dc5b0ebf08b3c4d 100644 (file)
@@ -256,10 +256,10 @@ static efi_status_t setup_efi_pci(struct boot_params *params)
        int i;
        struct setup_data *data;
 
-       data = (struct setup_data *)params->hdr.setup_data;
+       data = (struct setup_data *)(unsigned long)params->hdr.setup_data;
 
        while (data && data->next)
-               data = (struct setup_data *)data->next;
+               data = (struct setup_data *)(unsigned long)data->next;
 
        status = efi_call_phys5(sys_table->boottime->locate_handle,
                                EFI_LOCATE_BY_PROTOCOL, &pci_proto,
@@ -295,16 +295,18 @@ static efi_status_t setup_efi_pci(struct boot_params *params)
                if (!pci)
                        continue;
 
+#ifdef CONFIG_X86_64
                status = efi_call_phys4(pci->attributes, pci,
                                        EfiPciIoAttributeOperationGet, 0,
                                        &attributes);
-
+#else
+               status = efi_call_phys5(pci->attributes, pci,
+                                       EfiPciIoAttributeOperationGet, 0, 0,
+                                       &attributes);
+#endif
                if (status != EFI_SUCCESS)
                        continue;
 
-               if (!(attributes & EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM))
-                       continue;
-
                if (!pci->romimage || !pci->romsize)
                        continue;
 
@@ -345,9 +347,9 @@ static efi_status_t setup_efi_pci(struct boot_params *params)
                memcpy(rom->romdata, pci->romimage, pci->romsize);
 
                if (data)
-                       data->next = (uint64_t)rom;
+                       data->next = (unsigned long)rom;
                else
-                       params->hdr.setup_data = (uint64_t)rom;
+                       params->hdr.setup_data = (unsigned long)rom;
 
                data = (struct setup_data *)rom;
 
@@ -432,10 +434,9 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
                         * Once we've found a GOP supporting ConOut,
                         * don't bother looking any further.
                         */
+                       first_gop = gop;
                        if (conout_found)
                                break;
-
-                       first_gop = gop;
                }
        }
 
index aa4aaf1b23803e8ef0e180e3cbeedc7a4db6c556..1e3184f6072f913250b3b18371978a4fd1b3f63d 100644 (file)
@@ -35,11 +35,11 @@ ENTRY(startup_32)
 #ifdef CONFIG_EFI_STUB
        jmp     preferred_addr
 
-       .balign 0x10
        /*
         * We don't need the return address, so set up the stack so
-        * efi_main() can find its arugments.
+        * efi_main() can find its arguments.
         */
+ENTRY(efi_pe_entry)
        add     $0x4, %esp
 
        call    make_boot_params
@@ -50,8 +50,10 @@ ENTRY(startup_32)
        pushl   %eax
        pushl   %esi
        pushl   %ecx
+       sub     $0x4, %esp
 
-       .org 0x30,0x90
+ENTRY(efi_stub_entry)
+       add     $0x4, %esp
        call    efi_main
        cmpl    $0, %eax
        movl    %eax, %esi
index 2c4b171eec337619e8f2dab2b3c3b2048e622e51..f5d1aaa0dec87ce844317f2a343a90739408ac22 100644 (file)
@@ -201,12 +201,12 @@ ENTRY(startup_64)
         */
 #ifdef CONFIG_EFI_STUB
        /*
-        * The entry point for the PE/COFF executable is 0x210, so only
-        * legacy boot loaders will execute this jmp.
+        * The entry point for the PE/COFF executable is efi_pe_entry, so
+        * only legacy boot loaders will execute this jmp.
         */
        jmp     preferred_addr
 
-       .org 0x210
+ENTRY(efi_pe_entry)
        mov     %rcx, %rdi
        mov     %rdx, %rsi
        pushq   %rdi
@@ -218,7 +218,7 @@ ENTRY(startup_64)
        popq    %rsi
        popq    %rdi
 
-       .org 0x230,0x90
+ENTRY(efi_stub_entry)
        call    efi_main
        movq    %rax,%rsi
        cmpq    $0,%rax
index 8c132a625b94991c179def21973bb8ad3c3a56d5..944ce595f767621f07a47d6c89cdea9415627663 100644 (file)
@@ -21,6 +21,7 @@
 #include <asm/e820.h>
 #include <asm/page_types.h>
 #include <asm/setup.h>
+#include <asm/bootparam.h>
 #include "boot.h"
 #include "voffset.h"
 #include "zoffset.h"
@@ -255,6 +256,9 @@ section_table:
        # header, from the old boot sector.
 
        .section ".header", "a"
+       .globl  sentinel
+sentinel:      .byte 0xff, 0xff        /* Used to detect broken loaders */
+
        .globl  hdr
 hdr:
 setup_sects:   .byte 0                 /* Filled in by build.c */
@@ -279,7 +283,7 @@ _start:
        # Part 2 of the header, from the old setup.S
 
                .ascii  "HdrS"          # header signature
-               .word   0x020b          # header version number (>= 0x0105)
+               .word   0x020c          # header version number (>= 0x0105)
                                        # or else old loadlin-1.5 will fail)
                .globl realmode_swtch
 realmode_swtch:        .word   0, 0            # default_switch, SETUPSEG
@@ -297,13 +301,7 @@ type_of_loader:    .byte   0               # 0 means ancient bootloader, newer
 
 # flags, unused bits must be zero (RFU) bit within loadflags
 loadflags:
-LOADED_HIGH    = 1                     # If set, the kernel is loaded high
-CAN_USE_HEAP   = 0x80                  # If set, the loader also has set
-                                       # heap_end_ptr to tell how much
-                                       # space behind setup.S can be used for
-                                       # heap purposes.
-                                       # Only the loader knows what is free
-               .byte   LOADED_HIGH
+               .byte   LOADED_HIGH     # The kernel is to be loaded high
 
 setup_move_size: .word  0x8000         # size to move, when setup is not
                                        # loaded at 0x90000. We will move setup
@@ -369,7 +367,23 @@ relocatable_kernel:    .byte 1
 relocatable_kernel:    .byte 0
 #endif
 min_alignment:         .byte MIN_KERNEL_ALIGN_LG2      # minimum alignment
-pad3:                  .word 0
+
+xloadflags:
+#ifdef CONFIG_X86_64
+# define XLF0 XLF_KERNEL_64                    /* 64-bit kernel */
+#else
+# define XLF0 0
+#endif
+#ifdef CONFIG_EFI_STUB
+# ifdef CONFIG_X86_64
+#  define XLF23 XLF_EFI_HANDOVER_64            /* 64-bit EFI handover ok */
+# else
+#  define XLF23 XLF_EFI_HANDOVER_32            /* 32-bit EFI handover ok */
+# endif
+#else
+# define XLF23 0
+#endif
+                       .word XLF0 | XLF23
 
 cmdline_size:   .long   COMMAND_LINE_SIZE-1     #length of the command line,
                                                 #added with boot protocol
@@ -397,8 +411,13 @@ pref_address:              .quad LOAD_PHYSICAL_ADDR        # preferred load addr
 #define INIT_SIZE VO_INIT_SIZE
 #endif
 init_size:             .long INIT_SIZE         # kernel initialization size
-handover_offset:       .long 0x30              # offset to the handover
+handover_offset:
+#ifdef CONFIG_EFI_STUB
+                       .long 0x30              # offset to the handover
                                                # protocol entry point
+#else
+                       .long 0
+#endif
 
 # End of setup header #####################################################
 
index 03c0683636b6fbf859a8795262f249631e6157f9..96a6c7563538364d2dee7e307846815156c11c33 100644 (file)
@@ -13,7 +13,7 @@ SECTIONS
        .bstext         : { *(.bstext) }
        .bsdata         : { *(.bsdata) }
 
-       . = 497;
+       . = 495;
        .header         : { *(.header) }
        .entrytext      : { *(.entrytext) }
        .inittext       : { *(.inittext) }
index 4b8e165ee5723643dcd89619a341c7559eafe2bd..94c54465002003e34af8f6fb3d14a1be839fdeba 100644 (file)
@@ -52,6 +52,10 @@ int is_big_kernel;
 
 #define PECOFF_RELOC_RESERVE 0x20
 
+unsigned long efi_stub_entry;
+unsigned long efi_pe_entry;
+unsigned long startup_64;
+
 /*----------------------------------------------------------------------*/
 
 static const u32 crctab32[] = {
@@ -132,7 +136,7 @@ static void die(const char * str, ...)
 
 static void usage(void)
 {
-       die("Usage: build setup system [> image]");
+       die("Usage: build setup system [zoffset.h] [> image]");
 }
 
 #ifdef CONFIG_EFI_STUB
@@ -206,30 +210,54 @@ static void update_pecoff_text(unsigned int text_start, unsigned int file_sz)
         */
        put_unaligned_le32(file_sz - 512, &buf[pe_header + 0x1c]);
 
-#ifdef CONFIG_X86_32
        /*
-        * Address of entry point.
-        *
-        * The EFI stub entry point is +16 bytes from the start of
-        * the .text section.
+        * Address of entry point for PE/COFF executable
         */
-       put_unaligned_le32(text_start + 16, &buf[pe_header + 0x28]);
-#else
-       /*
-        * Address of entry point. startup_32 is at the beginning and
-        * the 64-bit entry point (startup_64) is always 512 bytes
-        * after. The EFI stub entry point is 16 bytes after that, as
-        * the first instruction allows legacy loaders to jump over
-        * the EFI stub initialisation
-        */
-       put_unaligned_le32(text_start + 528, &buf[pe_header + 0x28]);
-#endif /* CONFIG_X86_32 */
+       put_unaligned_le32(text_start + efi_pe_entry, &buf[pe_header + 0x28]);
 
        update_pecoff_section_header(".text", text_start, text_sz);
 }
 
 #endif /* CONFIG_EFI_STUB */
 
+
+/*
+ * Parse zoffset.h and find the entry points. We could just #include zoffset.h
+ * but that would mean tools/build would have to be rebuilt every time. It's
+ * not as if parsing it is hard...
+ */
+#define PARSE_ZOFS(p, sym) do { \
+       if (!strncmp(p, "#define ZO_" #sym " ", 11+sizeof(#sym)))       \
+               sym = strtoul(p + 11 + sizeof(#sym), NULL, 16);         \
+} while (0)
+
+static void parse_zoffset(char *fname)
+{
+       FILE *file;
+       char *p;
+       int c;
+
+       file = fopen(fname, "r");
+       if (!file)
+               die("Unable to open `%s': %m", fname);
+       c = fread(buf, 1, sizeof(buf) - 1, file);
+       if (ferror(file))
+               die("read-error on `zoffset.h'");
+       buf[c] = 0;
+
+       p = (char *)buf;
+
+       while (p && *p) {
+               PARSE_ZOFS(p, efi_stub_entry);
+               PARSE_ZOFS(p, efi_pe_entry);
+               PARSE_ZOFS(p, startup_64);
+
+               p = strchr(p, '\n');
+               while (p && (*p == '\r' || *p == '\n'))
+                       p++;
+       }
+}
+
 int main(int argc, char ** argv)
 {
        unsigned int i, sz, setup_sectors;
@@ -241,7 +269,19 @@ int main(int argc, char ** argv)
        void *kernel;
        u32 crc = 0xffffffffUL;
 
-       if (argc != 3)
+       /* Defaults for old kernel */
+#ifdef CONFIG_X86_32
+       efi_pe_entry = 0x10;
+       efi_stub_entry = 0x30;
+#else
+       efi_pe_entry = 0x210;
+       efi_stub_entry = 0x230;
+       startup_64 = 0x200;
+#endif
+
+       if (argc == 4)
+               parse_zoffset(argv[3]);
+       else if (argc != 3)
                usage();
 
        /* Copy the setup code */
@@ -299,6 +339,11 @@ int main(int argc, char ** argv)
 
 #ifdef CONFIG_EFI_STUB
        update_pecoff_text(setup_sectors * 512, sz + i + ((sys_size * 16) - sz));
+
+#ifdef CONFIG_X86_64 /* Yes, this is really how we defined it :( */
+       efi_stub_entry -= 0x200;
+#endif
+       put_unaligned_le32(efi_stub_entry, &buf[0x264]);
 #endif
 
        crc = partial_crc32(buf, i, crc);
index 102ff7cb3e4146ef1e158d718c49c1c0a6773f7b..142c4ceff1122cadb5dd92ddb0fab05c64f0c48e 100644 (file)
@@ -207,7 +207,7 @@ sysexit_from_sys_call:
        testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
        jnz ia32_ret_from_sys_call
        TRACE_IRQS_ON
-       sti
+       ENABLE_INTERRUPTS(CLBR_NONE)
        movl %eax,%esi          /* second arg, syscall return value */
        cmpl $-MAX_ERRNO,%eax   /* is it an error ? */
        jbe 1f
@@ -217,7 +217,7 @@ sysexit_from_sys_call:
        call __audit_syscall_exit
        movq RAX-ARGOFFSET(%rsp),%rax   /* reload syscall return value */
        movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi
-       cli
+       DISABLE_INTERRUPTS(CLBR_NONE)
        TRACE_IRQS_OFF
        testl %edi,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
        jz \exit
index 6e8fdf5ad1135c0100c8b7a5220bb79db2359ddb..28677c55113f8cea59e59c67e7cd53cfcd615b6d 100644 (file)
@@ -94,6 +94,7 @@ extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
 #endif /* CONFIG_X86_32 */
 
 extern int add_efi_memmap;
+extern unsigned long x86_efi_facility;
 extern void efi_set_executable(efi_memory_desc_t *md, bool executable);
 extern int efi_memblock_x86_reserve_range(void);
 extern void efi_call_phys_prelog(void);
index b47c2a82ff1546a7efcd77a820a990d1e08bef00..062921ef34e9136100d3b4820826642dd45f223b 100644 (file)
@@ -16,7 +16,7 @@ extern void uv_system_init(void);
 extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
                                                 struct mm_struct *mm,
                                                 unsigned long start,
-                                                unsigned end,
+                                                unsigned long end,
                                                 unsigned int cpu);
 
 #else  /* X86_UV */
index 92862cd902012b9fb174d03e6e2cd687787136cf..c15ddaf907107134d6cd2f8d86f554e510a6f848 100644 (file)
@@ -1,6 +1,31 @@
 #ifndef _ASM_X86_BOOTPARAM_H
 #define _ASM_X86_BOOTPARAM_H
 
+/* setup_data types */
+#define SETUP_NONE                     0
+#define SETUP_E820_EXT                 1
+#define SETUP_DTB                      2
+#define SETUP_PCI                      3
+
+/* ram_size flags */
+#define RAMDISK_IMAGE_START_MASK       0x07FF
+#define RAMDISK_PROMPT_FLAG            0x8000
+#define RAMDISK_LOAD_FLAG              0x4000
+
+/* loadflags */
+#define LOADED_HIGH    (1<<0)
+#define QUIET_FLAG     (1<<5)
+#define KEEP_SEGMENTS  (1<<6)
+#define CAN_USE_HEAP   (1<<7)
+
+/* xloadflags */
+#define XLF_KERNEL_64                  (1<<0)
+#define XLF_CAN_BE_LOADED_ABOVE_4G     (1<<1)
+#define XLF_EFI_HANDOVER_32            (1<<2)
+#define XLF_EFI_HANDOVER_64            (1<<3)
+
+#ifndef __ASSEMBLY__
+
 #include <linux/types.h>
 #include <linux/screen_info.h>
 #include <linux/apm_bios.h>
@@ -9,12 +34,6 @@
 #include <asm/ist.h>
 #include <video/edid.h>
 
-/* setup data types */
-#define SETUP_NONE                     0
-#define SETUP_E820_EXT                 1
-#define SETUP_DTB                      2
-#define SETUP_PCI                      3
-
 /* extensible setup data list node */
 struct setup_data {
        __u64 next;
@@ -28,9 +47,6 @@ struct setup_header {
        __u16   root_flags;
        __u32   syssize;
        __u16   ram_size;
-#define RAMDISK_IMAGE_START_MASK       0x07FF
-#define RAMDISK_PROMPT_FLAG            0x8000
-#define RAMDISK_LOAD_FLAG              0x4000
        __u16   vid_mode;
        __u16   root_dev;
        __u16   boot_flag;
@@ -42,10 +58,6 @@ struct setup_header {
        __u16   kernel_version;
        __u8    type_of_loader;
        __u8    loadflags;
-#define LOADED_HIGH    (1<<0)
-#define QUIET_FLAG     (1<<5)
-#define KEEP_SEGMENTS  (1<<6)
-#define CAN_USE_HEAP   (1<<7)
        __u16   setup_move_size;
        __u32   code32_start;
        __u32   ramdisk_image;
@@ -58,7 +70,8 @@ struct setup_header {
        __u32   initrd_addr_max;
        __u32   kernel_alignment;
        __u8    relocatable_kernel;
-       __u8    _pad2[3];
+       __u8    min_alignment;
+       __u16   xloadflags;
        __u32   cmdline_size;
        __u32   hardware_subarch;
        __u64   hardware_subarch_data;
@@ -106,7 +119,10 @@ struct boot_params {
        __u8  hd1_info[16];     /* obsolete! */         /* 0x090 */
        struct sys_desc_table sys_desc_table;           /* 0x0a0 */
        struct olpc_ofw_header olpc_ofw_header;         /* 0x0b0 */
-       __u8  _pad4[128];                               /* 0x0c0 */
+       __u32 ext_ramdisk_image;                        /* 0x0c0 */
+       __u32 ext_ramdisk_size;                         /* 0x0c4 */
+       __u32 ext_cmd_line_ptr;                         /* 0x0c8 */
+       __u8  _pad4[116];                               /* 0x0cc */
        struct edid_info edid_info;                     /* 0x140 */
        struct efi_info efi_info;                       /* 0x1c0 */
        __u32 alt_mem_k;                                /* 0x1e0 */
@@ -115,7 +131,20 @@ struct boot_params {
        __u8  eddbuf_entries;                           /* 0x1e9 */
        __u8  edd_mbr_sig_buf_entries;                  /* 0x1ea */
        __u8  kbd_status;                               /* 0x1eb */
-       __u8  _pad6[5];                                 /* 0x1ec */
+       __u8  _pad5[3];                                 /* 0x1ec */
+       /*
+        * The sentinel is set to a nonzero value (0xff) in header.S.
+        *
+        * A bootloader is supposed to only take setup_header and put
+        * it into a clean boot_params buffer. If it turns out that
+        * it is clumsy or too generous with the buffer, it most
+        * probably will pick up the sentinel variable too. The fact
+        * that this variable then is still 0xff will let kernel
+        * know that some variables in boot_params are invalid and
+        * kernel should zero out certain portions of boot_params.
+        */
+       __u8  sentinel;                                 /* 0x1ef */
+       __u8  _pad6[1];                                 /* 0x1f0 */
        struct setup_header hdr;    /* setup header */  /* 0x1f1 */
        __u8  _pad7[0x290-0x1f1-sizeof(struct setup_header)];
        __u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX];      /* 0x290 */
@@ -134,6 +163,6 @@ enum {
        X86_NR_SUBARCHS,
 };
 
-
+#endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_X86_BOOTPARAM_H */
index fe9edec6698a3c0c15846c0e56c1a502cea05c08..84c1309c4c0c8932b90e25bf84f7f031c3ffa5a5 100644 (file)
@@ -298,8 +298,7 @@ struct _cache_attr {
                         unsigned int);
 };
 
-#ifdef CONFIG_AMD_NB
-
+#if defined(CONFIG_AMD_NB) && defined(CONFIG_SYSFS)
 /*
  * L3 cache descriptors
  */
@@ -524,9 +523,9 @@ store_subcaches(struct _cpuid4_info *this_leaf, const char *buf, size_t count,
 static struct _cache_attr subcaches =
        __ATTR(subcaches, 0644, show_subcaches, store_subcaches);
 
-#else  /* CONFIG_AMD_NB */
+#else
 #define amd_init_l3_cache(x, y)
-#endif /* CONFIG_AMD_NB */
+#endif  /* CONFIG_AMD_NB && CONFIG_SYSFS */
 
 static int
 __cpuinit cpuid4_cache_lookup_regs(int index,
index 93b9e1181f830ff91b9ad432e0d148a38b0e93c3..4914e94ad6e86a9565420dcac8d014ff679ab6fa 100644 (file)
@@ -2019,7 +2019,10 @@ __init int intel_pmu_init(void)
                break;
 
        case 28: /* Atom */
-       case 54: /* Cedariew */
+       case 38: /* Lincroft */
+       case 39: /* Penwell */
+       case 53: /* Cloverview */
+       case 54: /* Cedarview */
                memcpy(hw_cache_event_ids, atom_hw_cache_event_ids,
                       sizeof(hw_cache_event_ids));
 
@@ -2084,6 +2087,7 @@ __init int intel_pmu_init(void)
                pr_cont("SandyBridge events, ");
                break;
        case 58: /* IvyBridge */
+       case 62: /* IvyBridge EP */
                memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
                       sizeof(hw_cache_event_ids));
                memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs,
index f2af39f5dc3d96916f8665350445a3e8155f290b..4820c232a0b91421d1ee77b194a8881a13143753 100644 (file)
@@ -19,7 +19,7 @@ static const u64 p6_perfmon_event_map[] =
 
 };
 
-static __initconst u64 p6_hw_cache_event_ids
+static u64 p6_hw_cache_event_ids
                                [PERF_COUNT_HW_CACHE_MAX]
                                [PERF_COUNT_HW_CACHE_OP_MAX]
                                [PERF_COUNT_HW_CACHE_RESULT_MAX] =
index 07a7a04529bc5d7849ffc21b79819edd7b23ffd9..cb3c591339aa3d4242e420d181b83f3a62ced2c3 100644 (file)
@@ -1781,6 +1781,7 @@ first_nmi:
         * Leave room for the "copied" frame
         */
        subq $(5*8), %rsp
+       CFI_ADJUST_CFA_OFFSET 5*8
 
        /* Copy the stack frame to the Saved frame */
        .rept 5
@@ -1863,10 +1864,8 @@ end_repeat_nmi:
 nmi_swapgs:
        SWAPGS_UNSAFE_STACK
 nmi_restore:
-       RESTORE_ALL 8
-
-       /* Pop the extra iret frame */
-       addq $(5*8), %rsp
+       /* Pop the extra iret frame at once */
+       RESTORE_ALL 6*8
 
        /* Clear the NMI executing stack variable */
        movq $0, 5*8(%rsp)
index 8e7f6556028f7ff50d90c73eac405d3cdcb7b881..c8932c79e78bbaad99c4969a1ea1a0ff2f7f1802 100644 (file)
@@ -300,6 +300,12 @@ ENTRY(startup_32_smp)
        leal -__PAGE_OFFSET(%ecx),%esp
 
 default_entry:
+#define CR0_STATE      (X86_CR0_PE | X86_CR0_MP | X86_CR0_ET | \
+                        X86_CR0_NE | X86_CR0_WP | X86_CR0_AM | \
+                        X86_CR0_PG)
+       movl $(CR0_STATE & ~X86_CR0_PG),%eax
+       movl %eax,%cr0
+
 /*
  *     New page tables may be in 4Mbyte page mode and may
  *     be using the global pages. 
@@ -364,8 +370,7 @@ default_entry:
  */
        movl $pa(initial_page_table), %eax
        movl %eax,%cr3          /* set the page table pointer.. */
-       movl %cr0,%eax
-       orl  $X86_CR0_PG,%eax
+       movl $CR0_STATE,%eax
        movl %eax,%cr0          /* ..and set paging (PG) bit */
        ljmp $__BOOT_CS,$1f     /* Clear prefetch and normalize %eip */
 1:
index a7c5661f84962a2f6eb80509c1791392352a6fc8..4929502c1372db979d7e1b176b22a9981e8ec96e 100644 (file)
@@ -174,6 +174,9 @@ static int msr_open(struct inode *inode, struct file *file)
        unsigned int cpu;
        struct cpuinfo_x86 *c;
 
+       if (!capable(CAP_SYS_RAWIO))
+               return -EPERM;
+
        cpu = iminor(file->f_path.dentry->d_inode);
        if (cpu >= nr_cpu_ids || !cpu_online(cpu))
                return -ENXIO;  /* No such CPU */
index 0f5dec5c80e0fccbba37474463e724970503faf2..872079a67e4d262151dfdbe74f537033be5ebcc0 100644 (file)
@@ -56,7 +56,7 @@ struct device x86_dma_fallback_dev = {
 EXPORT_SYMBOL(x86_dma_fallback_dev);
 
 /* Number of entries preallocated for DMA-API debugging */
-#define PREALLOC_DMA_DEBUG_ENTRIES       32768
+#define PREALLOC_DMA_DEBUG_ENTRIES       65536
 
 int dma_set_mask(struct device *dev, u64 mask)
 {
index 4e8ba39eaf0fd93cbca557eaecf3efcd954ee05b..76fa1e9a2b39399b1944e4a13c68a054c9a5c386 100644 (file)
@@ -584,7 +584,7 @@ static void native_machine_emergency_restart(void)
                        break;
 
                case BOOT_EFI:
-                       if (efi_enabled)
+                       if (efi_enabled(EFI_RUNTIME_SERVICES))
                                efi.reset_system(reboot_mode ?
                                                 EFI_RESET_WARM :
                                                 EFI_RESET_COLD,
index 00f6c1472b850472e5f9759dd5ad9613f6c026be..8b24289cc10c0f2239623918e587810b81c43c9b 100644 (file)
@@ -807,15 +807,15 @@ void __init setup_arch(char **cmdline_p)
 #ifdef CONFIG_EFI
        if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
                     "EL32", 4)) {
-               efi_enabled = 1;
-               efi_64bit = false;
+               set_bit(EFI_BOOT, &x86_efi_facility);
        } else if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
                     "EL64", 4)) {
-               efi_enabled = 1;
-               efi_64bit = true;
+               set_bit(EFI_BOOT, &x86_efi_facility);
+               set_bit(EFI_64BIT, &x86_efi_facility);
        }
-       if (efi_enabled && efi_memblock_x86_reserve_range())
-               efi_enabled = 0;
+
+       if (efi_enabled(EFI_BOOT))
+               efi_memblock_x86_reserve_range();
 #endif
 
        x86_init.oem.arch_setup();
@@ -888,7 +888,7 @@ void __init setup_arch(char **cmdline_p)
 
        finish_e820_parsing();
 
-       if (efi_enabled)
+       if (efi_enabled(EFI_BOOT))
                efi_init();
 
        dmi_scan_machine();
@@ -971,7 +971,7 @@ void __init setup_arch(char **cmdline_p)
         * The EFI specification says that boot service code won't be called
         * after ExitBootServices(). This is, in fact, a lie.
         */
-       if (efi_enabled)
+       if (efi_enabled(EFI_MEMMAP))
                efi_reserve_boot_services();
 
        /* preallocate 4k for mptable mpc */
@@ -1114,7 +1114,7 @@ void __init setup_arch(char **cmdline_p)
 
 #ifdef CONFIG_VT
 #if defined(CONFIG_VGA_CONSOLE)
-       if (!efi_enabled || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
+       if (!efi_enabled(EFI_BOOT) || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
                conswitchp = &vga_con;
 #elif defined(CONFIG_DUMMY_CONSOLE)
        conswitchp = &dummy_con;
@@ -1131,14 +1131,14 @@ void __init setup_arch(char **cmdline_p)
        register_refined_jiffies(CLOCK_TICK_RATE);
 
 #ifdef CONFIG_EFI
-       /* Once setup is done above, disable efi_enabled on mismatched
-        * firmware/kernel archtectures since there is no support for
-        * runtime services.
+       /* Once setup is done above, unmap the EFI memory map on
+        * mismatched firmware/kernel archtectures since there is no
+        * support for runtime services.
         */
-       if (efi_enabled && IS_ENABLED(CONFIG_X86_64) != efi_64bit) {
+       if (efi_enabled(EFI_BOOT) &&
+           IS_ENABLED(CONFIG_X86_64) != efi_enabled(EFI_64BIT)) {
                pr_info("efi: Setup done, disabling due to 32/64-bit mismatch\n");
                efi_unmap_memmap();
-               efi_enabled = 0;
        }
 #endif
 }
index ad4439145f858314dfe518cf7cd9336c5fe9c96d..77cf0090c0a3ef7890ea24d4e5e47d1d68e0b024 100644 (file)
@@ -51,9 +51,6 @@
 
 #define EFI_DEBUG      1
 
-int efi_enabled;
-EXPORT_SYMBOL(efi_enabled);
-
 struct efi __read_mostly efi = {
        .mps        = EFI_INVALID_TABLE_ADDR,
        .acpi       = EFI_INVALID_TABLE_ADDR,
@@ -69,19 +66,28 @@ EXPORT_SYMBOL(efi);
 
 struct efi_memory_map memmap;
 
-bool efi_64bit;
-
 static struct efi efi_phys __initdata;
 static efi_system_table_t efi_systab __initdata;
 
 static inline bool efi_is_native(void)
 {
-       return IS_ENABLED(CONFIG_X86_64) == efi_64bit;
+       return IS_ENABLED(CONFIG_X86_64) == efi_enabled(EFI_64BIT);
+}
+
+unsigned long x86_efi_facility;
+
+/*
+ * Returns 1 if 'facility' is enabled, 0 otherwise.
+ */
+int efi_enabled(int facility)
+{
+       return test_bit(facility, &x86_efi_facility) != 0;
 }
+EXPORT_SYMBOL(efi_enabled);
 
 static int __init setup_noefi(char *arg)
 {
-       efi_enabled = 0;
+       clear_bit(EFI_BOOT, &x86_efi_facility);
        return 0;
 }
 early_param("noefi", setup_noefi);
@@ -426,6 +432,7 @@ void __init efi_reserve_boot_services(void)
 
 void __init efi_unmap_memmap(void)
 {
+       clear_bit(EFI_MEMMAP, &x86_efi_facility);
        if (memmap.map) {
                early_iounmap(memmap.map, memmap.nr_map * memmap.desc_size);
                memmap.map = NULL;
@@ -460,7 +467,7 @@ void __init efi_free_boot_services(void)
 
 static int __init efi_systab_init(void *phys)
 {
-       if (efi_64bit) {
+       if (efi_enabled(EFI_64BIT)) {
                efi_system_table_64_t *systab64;
                u64 tmp = 0;
 
@@ -552,7 +559,7 @@ static int __init efi_config_init(u64 tables, int nr_tables)
        void *config_tables, *tablep;
        int i, sz;
 
-       if (efi_64bit)
+       if (efi_enabled(EFI_64BIT))
                sz = sizeof(efi_config_table_64_t);
        else
                sz = sizeof(efi_config_table_32_t);
@@ -572,7 +579,7 @@ static int __init efi_config_init(u64 tables, int nr_tables)
                efi_guid_t guid;
                unsigned long table;
 
-               if (efi_64bit) {
+               if (efi_enabled(EFI_64BIT)) {
                        u64 table64;
                        guid = ((efi_config_table_64_t *)tablep)->guid;
                        table64 = ((efi_config_table_64_t *)tablep)->table;
@@ -684,7 +691,6 @@ void __init efi_init(void)
        if (boot_params.efi_info.efi_systab_hi ||
            boot_params.efi_info.efi_memmap_hi) {
                pr_info("Table located above 4GB, disabling EFI.\n");
-               efi_enabled = 0;
                return;
        }
        efi_phys.systab = (efi_system_table_t *)boot_params.efi_info.efi_systab;
@@ -694,10 +700,10 @@ void __init efi_init(void)
                          ((__u64)boot_params.efi_info.efi_systab_hi<<32));
 #endif
 
-       if (efi_systab_init(efi_phys.systab)) {
-               efi_enabled = 0;
+       if (efi_systab_init(efi_phys.systab))
                return;
-       }
+
+       set_bit(EFI_SYSTEM_TABLES, &x86_efi_facility);
 
        /*
         * Show what we know for posterity
@@ -715,10 +721,10 @@ void __init efi_init(void)
                efi.systab->hdr.revision >> 16,
                efi.systab->hdr.revision & 0xffff, vendor);
 
-       if (efi_config_init(efi.systab->tables, efi.systab->nr_tables)) {
-               efi_enabled = 0;
+       if (efi_config_init(efi.systab->tables, efi.systab->nr_tables))
                return;
-       }
+
+       set_bit(EFI_CONFIG_TABLES, &x86_efi_facility);
 
        /*
         * Note: We currently don't support runtime services on an EFI
@@ -727,15 +733,17 @@ void __init efi_init(void)
 
        if (!efi_is_native())
                pr_info("No EFI runtime due to 32/64-bit mismatch with kernel\n");
-       else if (efi_runtime_init()) {
-               efi_enabled = 0;
-               return;
+       else {
+               if (efi_runtime_init())
+                       return;
+               set_bit(EFI_RUNTIME_SERVICES, &x86_efi_facility);
        }
 
-       if (efi_memmap_init()) {
-               efi_enabled = 0;
+       if (efi_memmap_init())
                return;
-       }
+
+       set_bit(EFI_MEMMAP, &x86_efi_facility);
+
 #ifdef CONFIG_X86_32
        if (efi_is_native()) {
                x86_platform.get_wallclock = efi_get_time;
@@ -941,7 +949,7 @@ void __init efi_enter_virtual_mode(void)
         *
         * Call EFI services through wrapper functions.
         */
-       efi.runtime_version = efi_systab.fw_revision;
+       efi.runtime_version = efi_systab.hdr.revision;
        efi.get_time = virt_efi_get_time;
        efi.set_time = virt_efi_set_time;
        efi.get_wakeup_time = virt_efi_get_wakeup_time;
@@ -969,6 +977,9 @@ u32 efi_mem_type(unsigned long phys_addr)
        efi_memory_desc_t *md;
        void *p;
 
+       if (!efi_enabled(EFI_MEMMAP))
+               return 0;
+
        for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
                md = p;
                if ((md->phys_addr <= phys_addr) &&
index 95fd505dfeb6e43dd37b0c41954f0b0db6535d1c..2b2003860615fbc5e24ef12e1c1fa3d855a1f09d 100644 (file)
@@ -38,7 +38,7 @@
 #include <asm/cacheflush.h>
 #include <asm/fixmap.h>
 
-static pgd_t save_pgd __initdata;
+static pgd_t *save_pgd __initdata;
 static unsigned long efi_flags __initdata;
 
 static void __init early_code_mapping_set_exec(int executable)
@@ -61,12 +61,20 @@ static void __init early_code_mapping_set_exec(int executable)
 void __init efi_call_phys_prelog(void)
 {
        unsigned long vaddress;
+       int pgd;
+       int n_pgds;
 
        early_code_mapping_set_exec(1);
        local_irq_save(efi_flags);
-       vaddress = (unsigned long)__va(0x0UL);
-       save_pgd = *pgd_offset_k(0x0UL);
-       set_pgd(pgd_offset_k(0x0UL), *pgd_offset_k(vaddress));
+
+       n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT), PGDIR_SIZE);
+       save_pgd = kmalloc(n_pgds * sizeof(pgd_t), GFP_KERNEL);
+
+       for (pgd = 0; pgd < n_pgds; pgd++) {
+               save_pgd[pgd] = *pgd_offset_k(pgd * PGDIR_SIZE);
+               vaddress = (unsigned long)__va(pgd * PGDIR_SIZE);
+               set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress));
+       }
        __flush_tlb_all();
 }
 
@@ -75,7 +83,11 @@ void __init efi_call_phys_epilog(void)
        /*
         * After the lock is released, the original page table is restored.
         */
-       set_pgd(pgd_offset_k(0x0UL), save_pgd);
+       int pgd;
+       int n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT) , PGDIR_SIZE);
+       for (pgd = 0; pgd < n_pgds; pgd++)
+               set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), save_pgd[pgd]);
+       kfree(save_pgd);
        __flush_tlb_all();
        local_irq_restore(efi_flags);
        early_code_mapping_set_exec(0);
index b8b3a37c80cd75e96559e67876206ad603b53741..dbbdca5f508c45bdfb34395aeeb42e500e9f1f1f 100644 (file)
@@ -1034,7 +1034,8 @@ static int set_distrib_bits(struct cpumask *flush_mask, struct bau_control *bcp,
  * globally purge translation cache of a virtual address or all TLB's
  * @cpumask: mask of all cpu's in which the address is to be removed
  * @mm: mm_struct containing virtual address range
- * @va: virtual address to be removed (or TLB_FLUSH_ALL for all TLB's on cpu)
+ * @start: start virtual address to be removed from TLB
+ * @end: end virtual address to be remove from TLB
  * @cpu: the current cpu
  *
  * This is the entry point for initiating any UV global TLB shootdown.
@@ -1056,7 +1057,7 @@ static int set_distrib_bits(struct cpumask *flush_mask, struct bau_control *bcp,
  */
 const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
                                struct mm_struct *mm, unsigned long start,
-                               unsigned end, unsigned int cpu)
+                               unsigned long end, unsigned int cpu)
 {
        int locals = 0;
        int remotes = 0;
@@ -1113,7 +1114,10 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
 
        record_send_statistics(stat, locals, hubs, remotes, bau_desc);
 
-       bau_desc->payload.address = start;
+       if (!end || (end - start) <= PAGE_SIZE)
+               bau_desc->payload.address = start;
+       else
+               bau_desc->payload.address = TLB_FLUSH_ALL;
        bau_desc->payload.sending_cpu = cpu;
        /*
         * uv_flush_send_and_wait returns 0 if all cpu's were messaged,
index cc2f8c1312862e96006a546ae355292391039958..872eb60e78064a90900e9133a29728a6c3774cee 100644 (file)
@@ -55,7 +55,7 @@ static FILE           *input_file;    /* Input file name */
 static void usage(const char *err)
 {
        if (err)
-               fprintf(stderr, "Error: %s\n\n", err);
+               fprintf(stderr, "%s: Error: %s\n\n", prog, err);
        fprintf(stderr, "Usage: %s [-y|-n|-v] [-s seed[,no]] [-m max] [-i input]\n", prog);
        fprintf(stderr, "\t-y   64bit mode\n");
        fprintf(stderr, "\t-n   32bit mode\n");
@@ -269,7 +269,13 @@ int main(int argc, char **argv)
                insns++;
        }
 
-       fprintf(stdout, "%s: decoded and checked %d %s instructions with %d errors (seed:0x%x)\n", (errors) ? "Failure" : "Success", insns, (input_file) ? "given" : "random", errors, seed);
+       fprintf(stdout, "%s: %s: decoded and checked %d %s instructions with %d errors (seed:0x%x)\n",
+               prog,
+               (errors) ? "Failure" : "Success",
+               insns,
+               (input_file) ? "given" : "random",
+               errors,
+               seed);
 
        return errors ? 1 : 0;
 }
index 5a1847d619306e5f0ed5ed5570c53c69a8ce2315..79d67bd507fa6c5bd779defa312943b1d99a47f6 100644 (file)
@@ -814,12 +814,14 @@ int main(int argc, char **argv)
        read_relocs(fp);
        if (show_absolute_syms) {
                print_absolute_symbols();
-               return 0;
+               goto out;
        }
        if (show_absolute_relocs) {
                print_absolute_relocs();
-               return 0;
+               goto out;
        }
        emit_relocs(as_text, use_real_mode);
+out:
+       fclose(fp);
        return 0;
 }
index 4acb5feba1fb7ae0bb830fed17b0391ae7a8483a..172a02a6ad146fea24ab966cf46a3612434a03da 100644 (file)
@@ -170,4 +170,19 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size,
        consistent_sync(vaddr, size, direction);
 }
 
+/* Not supported for now */
+static inline int dma_mmap_coherent(struct device *dev,
+                                   struct vm_area_struct *vma, void *cpu_addr,
+                                   dma_addr_t dma_addr, size_t size)
+{
+       return -EINVAL;
+}
+
+static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt,
+                                 void *cpu_addr, dma_addr_t dma_addr,
+                                 size_t size)
+{
+       return -EINVAL;
+}
+
 #endif /* _XTENSA_DMA_MAPPING_H */
index 9a289d7c84bbedc6ca2e17cf74c201acc43fe7cd..3993ebf4135fb1adb8e25c9562dadd996d1c6be2 100644 (file)
@@ -35,6 +35,8 @@ static DEFINE_IDR(ext_devt_idr);
 
 static struct device_type disk_type;
 
+static void disk_check_events(struct disk_events *ev,
+                             unsigned int *clearing_ptr);
 static void disk_alloc_events(struct gendisk *disk);
 static void disk_add_events(struct gendisk *disk);
 static void disk_del_events(struct gendisk *disk);
@@ -1549,6 +1551,7 @@ unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask)
        const struct block_device_operations *bdops = disk->fops;
        struct disk_events *ev = disk->ev;
        unsigned int pending;
+       unsigned int clearing = mask;
 
        if (!ev) {
                /* for drivers still using the old ->media_changed method */
@@ -1558,34 +1561,53 @@ unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask)
                return 0;
        }
 
-       /* tell the workfn about the events being cleared */
+       disk_block_events(disk);
+
+       /*
+        * store the union of mask and ev->clearing on the stack so that the
+        * race with disk_flush_events does not cause ambiguity (ev->clearing
+        * can still be modified even if events are blocked).
+        */
        spin_lock_irq(&ev->lock);
-       ev->clearing |= mask;
+       clearing |= ev->clearing;
+       ev->clearing = 0;
        spin_unlock_irq(&ev->lock);
 
-       /* uncondtionally schedule event check and wait for it to finish */
-       disk_block_events(disk);
-       queue_delayed_work(system_freezable_wq, &ev->dwork, 0);
-       flush_delayed_work(&ev->dwork);
-       __disk_unblock_events(disk, false);
+       disk_check_events(ev, &clearing);
+       /*
+        * if ev->clearing is not 0, the disk_flush_events got called in the
+        * middle of this function, so we want to run the workfn without delay.
+        */
+       __disk_unblock_events(disk, ev->clearing ? true : false);
 
        /* then, fetch and clear pending events */
        spin_lock_irq(&ev->lock);
-       WARN_ON_ONCE(ev->clearing & mask);      /* cleared by workfn */
        pending = ev->pending & mask;
        ev->pending &= ~mask;
        spin_unlock_irq(&ev->lock);
+       WARN_ON_ONCE(clearing & mask);
 
        return pending;
 }
 
+/*
+ * Separate this part out so that a different pointer for clearing_ptr can be
+ * passed in for disk_clear_events.
+ */
 static void disk_events_workfn(struct work_struct *work)
 {
        struct delayed_work *dwork = to_delayed_work(work);
        struct disk_events *ev = container_of(dwork, struct disk_events, dwork);
+
+       disk_check_events(ev, &ev->clearing);
+}
+
+static void disk_check_events(struct disk_events *ev,
+                             unsigned int *clearing_ptr)
+{
        struct gendisk *disk = ev->disk;
        char *envp[ARRAY_SIZE(disk_uevents) + 1] = { };
-       unsigned int clearing = ev->clearing;
+       unsigned int clearing = *clearing_ptr;
        unsigned int events;
        unsigned long intv;
        int nr_events = 0, i;
@@ -1598,7 +1620,7 @@ static void disk_events_workfn(struct work_struct *work)
 
        events &= ~ev->pending;
        ev->pending |= events;
-       ev->clearing &= ~clearing;
+       *clearing_ptr &= ~clearing;
 
        intv = disk_events_poll_jiffies(disk);
        if (!ev->block && intv)
index 3ff267861541f7570a5b110b7893e0cb012f5917..bd22f8667eed65e3889e61dcc357d85f5f3d1239 100644 (file)
@@ -250,7 +250,7 @@ acpi_physical_address __init acpi_os_get_root_pointer(void)
                return acpi_rsdp;
 #endif
 
-       if (efi_enabled) {
+       if (efi_enabled(EFI_CONFIG_TABLES)) {
                if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
                        return efi.acpi20;
                else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
index 6a0955e6d4fc92231e59d36e0849dd46c9e0e60b..53ecac5a2161d729fc957b8b4379a526ca89e0d3 100644 (file)
@@ -636,82 +636,82 @@ struct rx_buf_desc {
 #define SEG_BASE IPHASE5575_FRAG_CONTROL_REG_BASE  
 #define REASS_BASE IPHASE5575_REASS_CONTROL_REG_BASE  
 
-typedef volatile u_int  freg_t;
+typedef volatile u_int ffreg_t;
 typedef u_int   rreg_t;
 
 typedef struct _ffredn_t {
-        freg_t  idlehead_high;  /* Idle cell header (high)              */
-        freg_t  idlehead_low;   /* Idle cell header (low)               */
-        freg_t  maxrate;        /* Maximum rate                         */
-        freg_t  stparms;        /* Traffic Management Parameters        */
-        freg_t  abrubr_abr;     /* ABRUBR Priority Byte 1, TCR Byte 0   */
-        freg_t  rm_type;        /*                                      */
-        u_int   filler5[0x17 - 0x06];
-        freg_t  cmd_reg;        /* Command register                     */
-        u_int   filler18[0x20 - 0x18];
-        freg_t  cbr_base;       /* CBR Pointer Base                     */
-        freg_t  vbr_base;       /* VBR Pointer Base                     */
-        freg_t  abr_base;       /* ABR Pointer Base                     */
-        freg_t  ubr_base;       /* UBR Pointer Base                     */
-        u_int   filler24;
-        freg_t  vbrwq_base;     /* VBR Wait Queue Base                  */
-        freg_t  abrwq_base;     /* ABR Wait Queue Base                  */
-        freg_t  ubrwq_base;     /* UBR Wait Queue Base                  */
-        freg_t  vct_base;       /* Main VC Table Base                   */
-        freg_t  vcte_base;      /* Extended Main VC Table Base          */
-        u_int   filler2a[0x2C - 0x2A];
-        freg_t  cbr_tab_beg;    /* CBR Table Begin                      */
-        freg_t  cbr_tab_end;    /* CBR Table End                        */
-        freg_t  cbr_pointer;    /* CBR Pointer                          */
-        u_int   filler2f[0x30 - 0x2F];
-        freg_t  prq_st_adr;     /* Packet Ready Queue Start Address     */
-        freg_t  prq_ed_adr;     /* Packet Ready Queue End Address       */
-        freg_t  prq_rd_ptr;     /* Packet Ready Queue read pointer      */
-        freg_t  prq_wr_ptr;     /* Packet Ready Queue write pointer     */
-        freg_t  tcq_st_adr;     /* Transmit Complete Queue Start Address*/
-        freg_t  tcq_ed_adr;     /* Transmit Complete Queue End Address  */
-        freg_t  tcq_rd_ptr;     /* Transmit Complete Queue read pointer */
-        freg_t  tcq_wr_ptr;     /* Transmit Complete Queue write pointer*/
-        u_int   filler38[0x40 - 0x38];
-        freg_t  queue_base;     /* Base address for PRQ and TCQ         */
-        freg_t  desc_base;      /* Base address of descriptor table     */
-        u_int   filler42[0x45 - 0x42];
-        freg_t  mode_reg_0;     /* Mode register 0                      */
-        freg_t  mode_reg_1;     /* Mode register 1                      */
-        freg_t  intr_status_reg;/* Interrupt Status register            */
-        freg_t  mask_reg;       /* Mask Register                        */
-        freg_t  cell_ctr_high1; /* Total cell transfer count (high)     */
-        freg_t  cell_ctr_lo1;   /* Total cell transfer count (low)      */
-        freg_t  state_reg;      /* Status register                      */
-        u_int   filler4c[0x58 - 0x4c];
-        freg_t  curr_desc_num;  /* Contains the current descriptor num  */
-        freg_t  next_desc;      /* Next descriptor                      */
-        freg_t  next_vc;        /* Next VC                              */
-        u_int   filler5b[0x5d - 0x5b];
-        freg_t  present_slot_cnt;/* Present slot count                  */
-        u_int   filler5e[0x6a - 0x5e];
-        freg_t  new_desc_num;   /* New descriptor number                */
-        freg_t  new_vc;         /* New VC                               */
-        freg_t  sched_tbl_ptr;  /* Schedule table pointer               */
-        freg_t  vbrwq_wptr;     /* VBR wait queue write pointer         */
-        freg_t  vbrwq_rptr;     /* VBR wait queue read pointer          */
-        freg_t  abrwq_wptr;     /* ABR wait queue write pointer         */
-        freg_t  abrwq_rptr;     /* ABR wait queue read pointer          */
-        freg_t  ubrwq_wptr;     /* UBR wait queue write pointer         */
-        freg_t  ubrwq_rptr;     /* UBR wait queue read pointer          */
-        freg_t  cbr_vc;         /* CBR VC                               */
-        freg_t  vbr_sb_vc;      /* VBR SB VC                            */
-        freg_t  abr_sb_vc;      /* ABR SB VC                            */
-        freg_t  ubr_sb_vc;      /* UBR SB VC                            */
-        freg_t  vbr_next_link;  /* VBR next link                        */
-        freg_t  abr_next_link;  /* ABR next link                        */
-        freg_t  ubr_next_link;  /* UBR next link                        */
-        u_int   filler7a[0x7c-0x7a];
-        freg_t  out_rate_head;  /* Out of rate head                     */
-        u_int   filler7d[0xca-0x7d]; /* pad out to full address space   */
-        freg_t  cell_ctr_high1_nc;/* Total cell transfer count (high)   */
-        freg_t  cell_ctr_lo1_nc;/* Total cell transfer count (low)      */
-        u_int   fillercc[0x100-0xcc]; /* pad out to full address space   */
+       ffreg_t idlehead_high;  /* Idle cell header (high)              */
+       ffreg_t idlehead_low;   /* Idle cell header (low)               */
+       ffreg_t maxrate;        /* Maximum rate                         */
+       ffreg_t stparms;        /* Traffic Management Parameters        */
+       ffreg_t abrubr_abr;     /* ABRUBR Priority Byte 1, TCR Byte 0   */
+       ffreg_t rm_type;        /*                                      */
+       u_int   filler5[0x17 - 0x06];
+       ffreg_t cmd_reg;        /* Command register                     */
+       u_int   filler18[0x20 - 0x18];
+       ffreg_t cbr_base;       /* CBR Pointer Base                     */
+       ffreg_t vbr_base;       /* VBR Pointer Base                     */
+       ffreg_t abr_base;       /* ABR Pointer Base                     */
+       ffreg_t ubr_base;       /* UBR Pointer Base                     */
+       u_int   filler24;
+       ffreg_t vbrwq_base;     /* VBR Wait Queue Base                  */
+       ffreg_t abrwq_base;     /* ABR Wait Queue Base                  */
+       ffreg_t ubrwq_base;     /* UBR Wait Queue Base                  */
+       ffreg_t vct_base;       /* Main VC Table Base                   */
+       ffreg_t vcte_base;      /* Extended Main VC Table Base          */
+       u_int   filler2a[0x2C - 0x2A];
+       ffreg_t cbr_tab_beg;    /* CBR Table Begin                      */
+       ffreg_t cbr_tab_end;    /* CBR Table End                        */
+       ffreg_t cbr_pointer;    /* CBR Pointer                          */
+       u_int   filler2f[0x30 - 0x2F];
+       ffreg_t prq_st_adr;     /* Packet Ready Queue Start Address     */
+       ffreg_t prq_ed_adr;     /* Packet Ready Queue End Address       */
+       ffreg_t prq_rd_ptr;     /* Packet Ready Queue read pointer      */
+       ffreg_t prq_wr_ptr;     /* Packet Ready Queue write pointer     */
+       ffreg_t tcq_st_adr;     /* Transmit Complete Queue Start Address*/
+       ffreg_t tcq_ed_adr;     /* Transmit Complete Queue End Address  */
+       ffreg_t tcq_rd_ptr;     /* Transmit Complete Queue read pointer */
+       ffreg_t tcq_wr_ptr;     /* Transmit Complete Queue write pointer*/
+       u_int   filler38[0x40 - 0x38];
+       ffreg_t queue_base;     /* Base address for PRQ and TCQ         */
+       ffreg_t desc_base;      /* Base address of descriptor table     */
+       u_int   filler42[0x45 - 0x42];
+       ffreg_t mode_reg_0;     /* Mode register 0                      */
+       ffreg_t mode_reg_1;     /* Mode register 1                      */
+       ffreg_t intr_status_reg;/* Interrupt Status register            */
+       ffreg_t mask_reg;       /* Mask Register                        */
+       ffreg_t cell_ctr_high1; /* Total cell transfer count (high)     */
+       ffreg_t cell_ctr_lo1;   /* Total cell transfer count (low)      */
+       ffreg_t state_reg;      /* Status register                      */
+       u_int   filler4c[0x58 - 0x4c];
+       ffreg_t curr_desc_num;  /* Contains the current descriptor num  */
+       ffreg_t next_desc;      /* Next descriptor                      */
+       ffreg_t next_vc;        /* Next VC                              */
+       u_int   filler5b[0x5d - 0x5b];
+       ffreg_t present_slot_cnt;/* Present slot count                  */
+       u_int   filler5e[0x6a - 0x5e];
+       ffreg_t new_desc_num;   /* New descriptor number                */
+       ffreg_t new_vc;         /* New VC                               */
+       ffreg_t sched_tbl_ptr;  /* Schedule table pointer               */
+       ffreg_t vbrwq_wptr;     /* VBR wait queue write pointer         */
+       ffreg_t vbrwq_rptr;     /* VBR wait queue read pointer          */
+       ffreg_t abrwq_wptr;     /* ABR wait queue write pointer         */
+       ffreg_t abrwq_rptr;     /* ABR wait queue read pointer          */
+       ffreg_t ubrwq_wptr;     /* UBR wait queue write pointer         */
+       ffreg_t ubrwq_rptr;     /* UBR wait queue read pointer          */
+       ffreg_t cbr_vc;         /* CBR VC                               */
+       ffreg_t vbr_sb_vc;      /* VBR SB VC                            */
+       ffreg_t abr_sb_vc;      /* ABR SB VC                            */
+       ffreg_t ubr_sb_vc;      /* UBR SB VC                            */
+       ffreg_t vbr_next_link;  /* VBR next link                        */
+       ffreg_t abr_next_link;  /* ABR next link                        */
+       ffreg_t ubr_next_link;  /* UBR next link                        */
+       u_int   filler7a[0x7c-0x7a];
+       ffreg_t out_rate_head;  /* Out of rate head                     */
+       u_int   filler7d[0xca-0x7d]; /* pad out to full address space   */
+       ffreg_t cell_ctr_high1_nc;/* Total cell transfer count (high)   */
+       ffreg_t cell_ctr_lo1_nc;/* Total cell transfer count (low)      */
+       u_int   fillercc[0x100-0xcc]; /* pad out to full address space   */
 } ffredn_t;
 
 typedef struct _rfredn_t {
index 26b8ffde14582d88a664005495d957e6f1516db0..2cad787fa548af5409b7e16bab9fd258062e7e5c 100644 (file)
@@ -16,6 +16,7 @@
 #include <linux/regmap.h>
 #include <linux/fs.h>
 #include <linux/list.h>
+#include <linux/wait.h>
 
 struct regmap;
 struct regcache_ops;
@@ -40,6 +41,13 @@ struct regmap_format {
        unsigned int (*parse_val)(void *buf);
 };
 
+struct regmap_async {
+       struct list_head list;
+       struct work_struct cleanup;
+       struct regmap *map;
+       void *work_buf;
+};
+
 struct regmap {
        struct mutex mutex;
        spinlock_t spinlock;
@@ -54,6 +62,11 @@ struct regmap {
        void *bus_context;
        const char *name;
 
+       spinlock_t async_lock;
+       wait_queue_head_t async_waitq;
+       struct list_head async_list;
+       int async_ret;
+
 #ifdef CONFIG_DEBUG_FS
        struct dentry *debugfs;
        const char *debugfs_name;
@@ -75,6 +88,9 @@ struct regmap {
        const struct regmap_access_table *volatile_table;
        const struct regmap_access_table *precious_table;
 
+       int (*reg_read)(void *context, unsigned int reg, unsigned int *val);
+       int (*reg_write)(void *context, unsigned int reg, unsigned int val);
+
        u8 read_flag_mask;
        u8 write_flag_mask;
 
@@ -176,6 +192,8 @@ bool regcache_set_val(void *base, unsigned int idx,
                      unsigned int val, unsigned int word_size);
 int regcache_lookup_reg(struct regmap *map, unsigned int reg);
 
+void regmap_async_complete_cb(struct regmap_async *async, int ret);
+
 extern struct regcache_ops regcache_rbtree_ops;
 extern struct regcache_ops regcache_lzo_ops;
 
index ffa46a92ad3383dcc8609cd891514f0b5c3af967..4c506bd940f372b8bbe3b630a9599ca52ea745bf 100644 (file)
 #include <linux/init.h>
 #include <linux/module.h>
 
+#include "internal.h"
+
+struct regmap_async_spi {
+       struct regmap_async core;
+       struct spi_message m;
+       struct spi_transfer t[2];
+};
+
+static void regmap_spi_complete(void *data)
+{
+       struct regmap_async_spi *async = data;
+
+       regmap_async_complete_cb(&async->core, async->m.status);
+}
+
 static int regmap_spi_write(void *context, const void *data, size_t count)
 {
        struct device *dev = context;
@@ -40,6 +55,43 @@ static int regmap_spi_gather_write(void *context,
        return spi_sync(spi, &m);
 }
 
+static int regmap_spi_async_write(void *context,
+                                 const void *reg, size_t reg_len,
+                                 const void *val, size_t val_len,
+                                 struct regmap_async *a)
+{
+       struct regmap_async_spi *async = container_of(a,
+                                                     struct regmap_async_spi,
+                                                     core);
+       struct device *dev = context;
+       struct spi_device *spi = to_spi_device(dev);
+
+       async->t[0].tx_buf = reg;
+       async->t[0].len = reg_len;
+       async->t[1].tx_buf = val;
+       async->t[1].len = val_len;
+
+       spi_message_init(&async->m);
+       spi_message_add_tail(&async->t[0], &async->m);
+       spi_message_add_tail(&async->t[1], &async->m);
+
+       async->m.complete = regmap_spi_complete;
+       async->m.context = async;
+
+       return spi_async(spi, &async->m);
+}
+
+static struct regmap_async *regmap_spi_async_alloc(void)
+{
+       struct regmap_async_spi *async_spi;
+
+       async_spi = kzalloc(sizeof(*async_spi), GFP_KERNEL);
+       if (!async_spi)
+               return NULL;
+
+       return &async_spi->core;
+}
+
 static int regmap_spi_read(void *context,
                           const void *reg, size_t reg_size,
                           void *val, size_t val_size)
@@ -53,6 +105,8 @@ static int regmap_spi_read(void *context,
 static struct regmap_bus regmap_spi = {
        .write = regmap_spi_write,
        .gather_write = regmap_spi_gather_write,
+       .async_write = regmap_spi_async_write,
+       .async_alloc = regmap_spi_async_alloc,
        .read = regmap_spi_read,
        .read_flag_mask = 0x80,
 };
index f00b059c057ad01e4c8b9f05e95676c3c53c0e79..b1d962434cb20780e2116fe376c5cb043fe74a89 100644 (file)
@@ -16,6 +16,7 @@
 #include <linux/mutex.h>
 #include <linux/err.h>
 #include <linux/rbtree.h>
+#include <linux/sched.h>
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/regmap.h>
@@ -34,6 +35,22 @@ static int _regmap_update_bits(struct regmap *map, unsigned int reg,
                               unsigned int mask, unsigned int val,
                               bool *change);
 
+static int _regmap_bus_read(void *context, unsigned int reg,
+                           unsigned int *val);
+static int _regmap_bus_formatted_write(void *context, unsigned int reg,
+                                      unsigned int val);
+static int _regmap_bus_raw_write(void *context, unsigned int reg,
+                                unsigned int val);
+
+static void async_cleanup(struct work_struct *work)
+{
+       struct regmap_async *async = container_of(work, struct regmap_async,
+                                                 cleanup);
+
+       kfree(async->work_buf);
+       kfree(async);
+}
+
 bool regmap_reg_in_ranges(unsigned int reg,
                          const struct regmap_range *ranges,
                          unsigned int nranges)
@@ -423,6 +440,10 @@ struct regmap *regmap_init(struct device *dev,
        map->cache_type = config->cache_type;
        map->name = config->name;
 
+       spin_lock_init(&map->async_lock);
+       INIT_LIST_HEAD(&map->async_list);
+       init_waitqueue_head(&map->async_waitq);
+
        if (config->read_flag_mask || config->write_flag_mask) {
                map->read_flag_mask = config->read_flag_mask;
                map->write_flag_mask = config->write_flag_mask;
@@ -430,6 +451,8 @@ struct regmap *regmap_init(struct device *dev,
                map->read_flag_mask = bus->read_flag_mask;
        }
 
+       map->reg_read = _regmap_bus_read;
+
        reg_endian = config->reg_format_endian;
        if (reg_endian == REGMAP_ENDIAN_DEFAULT)
                reg_endian = bus->reg_format_endian_default;
@@ -500,6 +523,12 @@ struct regmap *regmap_init(struct device *dev,
                }
                break;
 
+       case 24:
+               if (reg_endian != REGMAP_ENDIAN_BIG)
+                       goto err_map;
+               map->format.format_reg = regmap_format_24;
+               break;
+
        case 32:
                switch (reg_endian) {
                case REGMAP_ENDIAN_BIG:
@@ -575,6 +604,11 @@ struct regmap *regmap_init(struct device *dev,
                goto err_map;
        }
 
+       if (map->format.format_write)
+               map->reg_write = _regmap_bus_formatted_write;
+       else if (map->format.format_val)
+               map->reg_write = _regmap_bus_raw_write;
+
        map->range_tree = RB_ROOT;
        for (i = 0; i < config->num_ranges; i++) {
                const struct regmap_range_cfg *range_cfg = &config->ranges[i];
@@ -870,10 +904,13 @@ static int _regmap_select_page(struct regmap *map, unsigned int *reg,
 }
 
 static int _regmap_raw_write(struct regmap *map, unsigned int reg,
-                            const void *val, size_t val_len)
+                            const void *val, size_t val_len, bool async)
 {
        struct regmap_range_node *range;
+       unsigned long flags;
        u8 *u8 = map->work_buf;
+       void *work_val = map->work_buf + map->format.reg_bytes +
+               map->format.pad_bytes;
        void *buf;
        int ret = -ENOTSUPP;
        size_t len;
@@ -918,7 +955,7 @@ static int _regmap_raw_write(struct regmap *map, unsigned int reg,
                        dev_dbg(map->dev, "Writing window %d/%zu\n",
                                win_residue, val_len / map->format.val_bytes);
                        ret = _regmap_raw_write(map, reg, val, win_residue *
-                                               map->format.val_bytes);
+                                               map->format.val_bytes, async);
                        if (ret != 0)
                                return ret;
 
@@ -941,6 +978,50 @@ static int _regmap_raw_write(struct regmap *map, unsigned int reg,
 
        u8[0] |= map->write_flag_mask;
 
+       if (async && map->bus->async_write) {
+               struct regmap_async *async = map->bus->async_alloc();
+               if (!async)
+                       return -ENOMEM;
+
+               async->work_buf = kzalloc(map->format.buf_size,
+                                         GFP_KERNEL | GFP_DMA);
+               if (!async->work_buf) {
+                       kfree(async);
+                       return -ENOMEM;
+               }
+
+               INIT_WORK(&async->cleanup, async_cleanup);
+               async->map = map;
+
+               /* If the caller supplied the value we can use it safely. */
+               memcpy(async->work_buf, map->work_buf, map->format.pad_bytes +
+                      map->format.reg_bytes + map->format.val_bytes);
+               if (val == work_val)
+                       val = async->work_buf + map->format.pad_bytes +
+                               map->format.reg_bytes;
+
+               spin_lock_irqsave(&map->async_lock, flags);
+               list_add_tail(&async->list, &map->async_list);
+               spin_unlock_irqrestore(&map->async_lock, flags);
+
+               ret = map->bus->async_write(map->bus_context, async->work_buf,
+                                           map->format.reg_bytes +
+                                           map->format.pad_bytes,
+                                           val, val_len, async);
+
+               if (ret != 0) {
+                       dev_err(map->dev, "Failed to schedule write: %d\n",
+                               ret);
+
+                       spin_lock_irqsave(&map->async_lock, flags);
+                       list_del(&async->list);
+                       spin_unlock_irqrestore(&map->async_lock, flags);
+
+                       kfree(async->work_buf);
+                       kfree(async);
+               }
+       }
+
        trace_regmap_hw_write_start(map->dev, reg,
                                    val_len / map->format.val_bytes);
 
@@ -948,8 +1029,7 @@ static int _regmap_raw_write(struct regmap *map, unsigned int reg,
         * send the work_buf directly, otherwise try to do a gather
         * write.
         */
-       if (val == (map->work_buf + map->format.pad_bytes +
-                   map->format.reg_bytes))
+       if (val == work_val)
                ret = map->bus->write(map->bus_context, map->work_buf,
                                      map->format.reg_bytes +
                                      map->format.pad_bytes +
@@ -981,12 +1061,54 @@ static int _regmap_raw_write(struct regmap *map, unsigned int reg,
        return ret;
 }
 
+static int _regmap_bus_formatted_write(void *context, unsigned int reg,
+                                      unsigned int val)
+{
+       int ret;
+       struct regmap_range_node *range;
+       struct regmap *map = context;
+
+       BUG_ON(!map->format.format_write);
+
+       range = _regmap_range_lookup(map, reg);
+       if (range) {
+               ret = _regmap_select_page(map, &reg, range, 1);
+               if (ret != 0)
+                       return ret;
+       }
+
+       map->format.format_write(map, reg, val);
+
+       trace_regmap_hw_write_start(map->dev, reg, 1);
+
+       ret = map->bus->write(map->bus_context, map->work_buf,
+                             map->format.buf_size);
+
+       trace_regmap_hw_write_done(map->dev, reg, 1);
+
+       return ret;
+}
+
+static int _regmap_bus_raw_write(void *context, unsigned int reg,
+                                unsigned int val)
+{
+       struct regmap *map = context;
+
+       BUG_ON(!map->format.format_val);
+
+       map->format.format_val(map->work_buf + map->format.reg_bytes
+                              + map->format.pad_bytes, val, 0);
+       return _regmap_raw_write(map, reg,
+                                map->work_buf +
+                                map->format.reg_bytes +
+                                map->format.pad_bytes,
+                                map->format.val_bytes, false);
+}
+
 int _regmap_write(struct regmap *map, unsigned int reg,
                  unsigned int val)
 {
-       struct regmap_range_node *range;
        int ret;
-       BUG_ON(!map->format.format_write && !map->format.format_val);
 
        if (!map->cache_bypass && map->format.format_write) {
                ret = regcache_write(map, reg, val);
@@ -1005,33 +1127,7 @@ int _regmap_write(struct regmap *map, unsigned int reg,
 
        trace_regmap_reg_write(map->dev, reg, val);
 
-       if (map->format.format_write) {
-               range = _regmap_range_lookup(map, reg);
-               if (range) {
-                       ret = _regmap_select_page(map, &reg, range, 1);
-                       if (ret != 0)
-                               return ret;
-               }
-
-               map->format.format_write(map, reg, val);
-
-               trace_regmap_hw_write_start(map->dev, reg, 1);
-
-               ret = map->bus->write(map->bus_context, map->work_buf,
-                                     map->format.buf_size);
-
-               trace_regmap_hw_write_done(map->dev, reg, 1);
-
-               return ret;
-       } else {
-               map->format.format_val(map->work_buf + map->format.reg_bytes
-                                      + map->format.pad_bytes, val, 0);
-               return _regmap_raw_write(map, reg,
-                                        map->work_buf +
-                                        map->format.reg_bytes +
-                                        map->format.pad_bytes,
-                                        map->format.val_bytes);
-       }
+       return map->reg_write(map, reg, val);
 }
 
 /**
@@ -1089,7 +1185,7 @@ int regmap_raw_write(struct regmap *map, unsigned int reg,
 
        map->lock(map->lock_arg);
 
-       ret = _regmap_raw_write(map, reg, val, val_len);
+       ret = _regmap_raw_write(map, reg, val, val_len, false);
 
        map->unlock(map->lock_arg);
 
@@ -1145,14 +1241,15 @@ int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
        if (map->use_single_rw) {
                for (i = 0; i < val_count; i++) {
                        ret = regmap_raw_write(map,
-                                               reg + (i * map->reg_stride),
-                                               val + (i * val_bytes),
-                                               val_bytes);
+                                              reg + (i * map->reg_stride),
+                                              val + (i * val_bytes),
+                                              val_bytes);
                        if (ret != 0)
                                return ret;
                }
        } else {
-               ret = _regmap_raw_write(map, reg, wval, val_bytes * val_count);
+               ret = _regmap_raw_write(map, reg, wval, val_bytes * val_count,
+                                       false);
        }
 
        if (val_bytes != 1)
@@ -1164,6 +1261,48 @@ out:
 }
 EXPORT_SYMBOL_GPL(regmap_bulk_write);
 
+/**
+ * regmap_raw_write_async(): Write raw values to one or more registers
+ *                           asynchronously
+ *
+ * @map: Register map to write to
+ * @reg: Initial register to write to
+ * @val: Block of data to be written, laid out for direct transmission to the
+ *       device.  Must be valid until regmap_async_complete() is called.
+ * @val_len: Length of data pointed to by val.
+ *
+ * This function is intended to be used for things like firmware
+ * download where a large block of data needs to be transferred to the
+ * device.  No formatting will be done on the data provided.
+ *
+ * If supported by the underlying bus the write will be scheduled
+ * asynchronously, helping maximise I/O speed on higher speed buses
+ * like SPI.  regmap_async_complete() can be called to ensure that all
+ * asynchrnous writes have been completed.
+ *
+ * A value of zero will be returned on success, a negative errno will
+ * be returned in error cases.
+ */
+int regmap_raw_write_async(struct regmap *map, unsigned int reg,
+                          const void *val, size_t val_len)
+{
+       int ret;
+
+       if (val_len % map->format.val_bytes)
+               return -EINVAL;
+       if (reg % map->reg_stride)
+               return -EINVAL;
+
+       map->lock(map->lock_arg);
+
+       ret = _regmap_raw_write(map, reg, val, val_len, true);
+
+       map->unlock(map->lock_arg);
+
+       return ret;
+}
+EXPORT_SYMBOL_GPL(regmap_raw_write_async);
+
 static int _regmap_raw_read(struct regmap *map, unsigned int reg, void *val,
                            unsigned int val_len)
 {
@@ -1202,10 +1341,27 @@ static int _regmap_raw_read(struct regmap *map, unsigned int reg, void *val,
        return ret;
 }
 
+static int _regmap_bus_read(void *context, unsigned int reg,
+                           unsigned int *val)
+{
+       int ret;
+       struct regmap *map = context;
+
+       if (!map->format.parse_val)
+               return -EINVAL;
+
+       ret = _regmap_raw_read(map, reg, map->work_buf, map->format.val_bytes);
+       if (ret == 0)
+               *val = map->format.parse_val(map->work_buf);
+
+       return ret;
+}
+
 static int _regmap_read(struct regmap *map, unsigned int reg,
                        unsigned int *val)
 {
        int ret;
+       BUG_ON(!map->reg_read);
 
        if (!map->cache_bypass) {
                ret = regcache_read(map, reg, val);
@@ -1213,26 +1369,21 @@ static int _regmap_read(struct regmap *map, unsigned int reg,
                        return 0;
        }
 
-       if (!map->format.parse_val)
-               return -EINVAL;
-
        if (map->cache_only)
                return -EBUSY;
 
-       ret = _regmap_raw_read(map, reg, map->work_buf, map->format.val_bytes);
+       ret = map->reg_read(map, reg, val);
        if (ret == 0) {
-               *val = map->format.parse_val(map->work_buf);
-
 #ifdef LOG_DEVICE
                if (strcmp(dev_name(map->dev), LOG_DEVICE) == 0)
                        dev_info(map->dev, "%x => %x\n", reg, *val);
 #endif
 
                trace_regmap_reg_read(map->dev, reg, *val);
-       }
 
-       if (ret == 0 && !map->cache_bypass)
-               regcache_write(map, reg, *val);
+               if (!map->cache_bypass)
+                       regcache_write(map, reg, *val);
+       }
 
        return ret;
 }
@@ -1450,6 +1601,68 @@ int regmap_update_bits_check(struct regmap *map, unsigned int reg,
 }
 EXPORT_SYMBOL_GPL(regmap_update_bits_check);
 
+void regmap_async_complete_cb(struct regmap_async *async, int ret)
+{
+       struct regmap *map = async->map;
+       bool wake;
+
+       spin_lock(&map->async_lock);
+
+       list_del(&async->list);
+       wake = list_empty(&map->async_list);
+
+       if (ret != 0)
+               map->async_ret = ret;
+
+       spin_unlock(&map->async_lock);
+
+       schedule_work(&async->cleanup);
+
+       if (wake)
+               wake_up(&map->async_waitq);
+}
+EXPORT_SYMBOL_GPL(regmap_async_complete_cb);
+
+static int regmap_async_is_done(struct regmap *map)
+{
+       unsigned long flags;
+       int ret;
+
+       spin_lock_irqsave(&map->async_lock, flags);
+       ret = list_empty(&map->async_list);
+       spin_unlock_irqrestore(&map->async_lock, flags);
+
+       return ret;
+}
+
+/**
+ * regmap_async_complete: Ensure all asynchronous I/O has completed.
+ *
+ * @map: Map to operate on.
+ *
+ * Blocks until any pending asynchronous I/O has completed.  Returns
+ * an error code for any failed I/O operations.
+ */
+int regmap_async_complete(struct regmap *map)
+{
+       unsigned long flags;
+       int ret;
+
+       /* Nothing to do with no async support */
+       if (!map->bus->async_write)
+               return 0;
+
+       wait_event(map->async_waitq, regmap_async_is_done(map));
+
+       spin_lock_irqsave(&map->async_lock, flags);
+       ret = map->async_ret;
+       map->async_ret = 0;
+       spin_unlock_irqrestore(&map->async_lock, flags);
+
+       return ret;
+}
+EXPORT_SYMBOL_GPL(regmap_async_complete);
+
 /**
  * regmap_register_patch: Register and apply register updates to be applied
  *                        on device initialistion
index 19e3fbfd5757368790980dfec756135e981b0eaf..cb0c4548857282c3bc6b38cfa836ad9474370604 100644 (file)
@@ -94,11 +94,16 @@ void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc);
 #ifdef CONFIG_BCMA_DRIVER_GPIO
 /* driver_gpio.c */
 int bcma_gpio_init(struct bcma_drv_cc *cc);
+int bcma_gpio_unregister(struct bcma_drv_cc *cc);
 #else
 static inline int bcma_gpio_init(struct bcma_drv_cc *cc)
 {
        return -ENOTSUPP;
 }
+static inline int bcma_gpio_unregister(struct bcma_drv_cc *cc)
+{
+       return 0;
+}
 #endif /* CONFIG_BCMA_DRIVER_GPIO */
 
 #endif
index dbda91e4dff5189ccabbb710b7a2a11f0e099651..1f0b83e18f6827f5003669b4015c2a89b2d369c5 100644 (file)
@@ -21,7 +21,7 @@ int bcma_nflash_init(struct bcma_drv_cc *cc)
        struct bcma_bus *bus = cc->core->bus;
 
        if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4706 &&
-           cc->core->id.rev != 0x38) {
+           cc->core->id.rev != 38) {
                bcma_err(bus, "NAND flash on unsupported board!\n");
                return -ENOTSUPP;
        }
index 9a6f585da2d9f21d232ac4b58cc3a36b442d9b36..71f755c06fc6637497665f31d15f6432d49c3075 100644 (file)
@@ -96,3 +96,8 @@ int bcma_gpio_init(struct bcma_drv_cc *cc)
 
        return gpiochip_add(chip);
 }
+
+int bcma_gpio_unregister(struct bcma_drv_cc *cc)
+{
+       return gpiochip_remove(&cc->gpio);
+}
index 4a92f647b58bdef4fa28f28b772d960036469c78..324f9debda88007ac096320dae35340db99e3fe5 100644 (file)
@@ -268,6 +268,13 @@ int bcma_bus_register(struct bcma_bus *bus)
 void bcma_bus_unregister(struct bcma_bus *bus)
 {
        struct bcma_device *cores[3];
+       int err;
+
+       err = bcma_gpio_unregister(&bus->drv_cc);
+       if (err == -EBUSY)
+               bcma_err(bus, "Some GPIOs are still in use.\n");
+       else if (err)
+               bcma_err(bus, "Can not unregister GPIO driver: %i\n", err);
 
        cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
        cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE);
index f58a4a4b4dfb3d1042113bbcbf34ee7c8280b7e8..2b8303ad63c97966a3913854825cee60bec5320c 100644 (file)
@@ -168,7 +168,7 @@ static void wake_all_senders(struct drbd_tconn *tconn) {
 }
 
 /* must hold resource->req_lock */
-static void start_new_tl_epoch(struct drbd_tconn *tconn)
+void start_new_tl_epoch(struct drbd_tconn *tconn)
 {
        /* no point closing an epoch, if it is empty, anyways. */
        if (tconn->current_tle_writes == 0)
index 016de6b8bb57c2a646b348eb903fc870536a4512..c08d22964d06784024481cd0005784306341b891 100644 (file)
@@ -267,6 +267,7 @@ struct bio_and_error {
        int error;
 };
 
+extern void start_new_tl_epoch(struct drbd_tconn *tconn);
 extern void drbd_req_destroy(struct kref *kref);
 extern void _req_may_be_done(struct drbd_request *req,
                struct bio_and_error *m);
index 53bf6182bac4077afaa26bdeb94bb52e2414c76b..0fe220cfb9e9d31ce1dffac5e3365311076f66da 100644 (file)
@@ -931,6 +931,7 @@ __drbd_set_state(struct drbd_conf *mdev, union drbd_state ns,
        enum drbd_state_rv rv = SS_SUCCESS;
        enum sanitize_state_warnings ssw;
        struct after_state_chg_work *ascw;
+       bool did_remote, should_do_remote;
 
        os = drbd_read_state(mdev);
 
@@ -981,11 +982,17 @@ __drbd_set_state(struct drbd_conf *mdev, union drbd_state ns,
            (os.disk != D_DISKLESS && ns.disk == D_DISKLESS))
                atomic_inc(&mdev->local_cnt);
 
+       did_remote = drbd_should_do_remote(mdev->state);
        mdev->state.i = ns.i;
+       should_do_remote = drbd_should_do_remote(mdev->state);
        mdev->tconn->susp = ns.susp;
        mdev->tconn->susp_nod = ns.susp_nod;
        mdev->tconn->susp_fen = ns.susp_fen;
 
+       /* put replicated vs not-replicated requests in seperate epochs */
+       if (did_remote != should_do_remote)
+               start_new_tl_epoch(mdev->tconn);
+
        if (os.disk == D_ATTACHING && ns.disk >= D_NEGOTIATING)
                drbd_print_uuids(mdev, "attached to UUIDs");
 
index 9694dd99bbbc7253af1c3626823899f985b1afc2..3fd100990453b76f2297301e662e808819019ff2 100644 (file)
@@ -626,12 +626,13 @@ static void mtip_timeout_function(unsigned long int data)
                }
        }
 
-       if (cmdto_cnt && !test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) {
+       if (cmdto_cnt) {
                print_tags(port->dd, "timed out", tagaccum, cmdto_cnt);
-
-               mtip_restart_port(port);
+               if (!test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) {
+                       mtip_restart_port(port);
+                       wake_up_interruptible(&port->svc_wait);
+               }
                clear_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
-               wake_up_interruptible(&port->svc_wait);
        }
 
        if (port->ic_pause_timer) {
@@ -3887,7 +3888,12 @@ static int mtip_block_remove(struct driver_data *dd)
         * Delete our gendisk structure. This also removes the device
         * from /dev
         */
-       del_gendisk(dd->disk);
+       if (dd->disk) {
+               if (dd->disk->queue)
+                       del_gendisk(dd->disk);
+               else
+                       put_disk(dd->disk);
+       }
 
        spin_lock(&rssd_index_lock);
        ida_remove(&rssd_index_ida, dd->index);
@@ -3921,7 +3927,13 @@ static int mtip_block_shutdown(struct driver_data *dd)
                "Shutting down %s ...\n", dd->disk->disk_name);
 
        /* Delete our gendisk structure, and cleanup the blk queue. */
-       del_gendisk(dd->disk);
+       if (dd->disk) {
+               if (dd->disk->queue)
+                       del_gendisk(dd->disk);
+               else
+                       put_disk(dd->disk);
+       }
+
 
        spin_lock(&rssd_index_lock);
        ida_remove(&rssd_index_ida, dd->index);
index 74374fb762aa5bcf835e73a7390f12b7403525ee..5ac841ff6cc73acd59c7439722ab799a27fac93b 100644 (file)
@@ -161,10 +161,12 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif,
 static void make_response(struct xen_blkif *blkif, u64 id,
                          unsigned short op, int st);
 
-#define foreach_grant(pos, rbtree, node) \
-       for ((pos) = container_of(rb_first((rbtree)), typeof(*(pos)), node); \
+#define foreach_grant_safe(pos, n, rbtree, node) \
+       for ((pos) = container_of(rb_first((rbtree)), typeof(*(pos)), node), \
+            (n) = rb_next(&(pos)->node); \
             &(pos)->node != NULL; \
-            (pos) = container_of(rb_next(&(pos)->node), typeof(*(pos)), node))
+            (pos) = container_of(n, typeof(*(pos)), node), \
+            (n) = (&(pos)->node != NULL) ? rb_next(&(pos)->node) : NULL)
 
 
 static void add_persistent_gnt(struct rb_root *root,
@@ -217,10 +219,11 @@ static void free_persistent_gnts(struct rb_root *root, unsigned int num)
        struct gnttab_unmap_grant_ref unmap[BLKIF_MAX_SEGMENTS_PER_REQUEST];
        struct page *pages[BLKIF_MAX_SEGMENTS_PER_REQUEST];
        struct persistent_gnt *persistent_gnt;
+       struct rb_node *n;
        int ret = 0;
        int segs_to_unmap = 0;
 
-       foreach_grant(persistent_gnt, root, node) {
+       foreach_grant_safe(persistent_gnt, n, root, node) {
                BUG_ON(persistent_gnt->handle ==
                        BLKBACK_INVALID_HANDLE);
                gnttab_set_unmap_op(&unmap[segs_to_unmap],
@@ -230,9 +233,6 @@ static void free_persistent_gnts(struct rb_root *root, unsigned int num)
                        persistent_gnt->handle);
 
                pages[segs_to_unmap] = persistent_gnt->page;
-               rb_erase(&persistent_gnt->node, root);
-               kfree(persistent_gnt);
-               num--;
 
                if (++segs_to_unmap == BLKIF_MAX_SEGMENTS_PER_REQUEST ||
                        !rb_next(&persistent_gnt->node)) {
@@ -241,6 +241,10 @@ static void free_persistent_gnts(struct rb_root *root, unsigned int num)
                        BUG_ON(ret);
                        segs_to_unmap = 0;
                }
+
+               rb_erase(&persistent_gnt->node, root);
+               kfree(persistent_gnt);
+               num--;
        }
        BUG_ON(num != 0);
 }
index 96e9b00db08118a164d03845df86139169e78f71..11043c18ac5ab01fcfd2e492fff70a87260143fd 100644 (file)
@@ -792,6 +792,7 @@ static void blkif_free(struct blkfront_info *info, int suspend)
 {
        struct llist_node *all_gnts;
        struct grant *persistent_gnt;
+       struct llist_node *n;
 
        /* Prevent new requests being issued until we fix things up. */
        spin_lock_irq(&info->io_lock);
@@ -804,7 +805,7 @@ static void blkif_free(struct blkfront_info *info, int suspend)
        /* Remove all persistent grants */
        if (info->persistent_gnts_c) {
                all_gnts = llist_del_all(&info->persistent_gnts);
-               llist_for_each_entry(persistent_gnt, all_gnts, node) {
+               llist_for_each_entry_safe(persistent_gnt, n, all_gnts, node) {
                        gnttab_end_foreign_access(persistent_gnt->gref, 0, 0UL);
                        __free_page(pfn_to_page(persistent_gnt->pfn));
                        kfree(persistent_gnt);
@@ -835,7 +836,7 @@ static void blkif_free(struct blkfront_info *info, int suspend)
 static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info,
                             struct blkif_response *bret)
 {
-       int i;
+       int i = 0;
        struct bio_vec *bvec;
        struct req_iterator iter;
        unsigned long flags;
@@ -852,7 +853,8 @@ static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info,
                 */
                rq_for_each_segment(bvec, s->request, iter) {
                        BUG_ON((bvec->bv_offset + bvec->bv_len) > PAGE_SIZE);
-                       i = offset >> PAGE_SHIFT;
+                       if (bvec->bv_offset < offset)
+                               i++;
                        BUG_ON(i >= s->req.u.rw.nr_segments);
                        shared_data = kmap_atomic(
                                pfn_to_page(s->grants_used[i]->pfn));
@@ -861,7 +863,7 @@ static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info,
                                bvec->bv_len);
                        bvec_kunmap_irq(bvec_data, &flags);
                        kunmap_atomic(shared_data);
-                       offset += bvec->bv_len;
+                       offset = bvec->bv_offset + bvec->bv_len;
                }
        }
        /* Add the persistent grant into the list of free grants */
index b00000e8aef6f9cb06955049d3fa4faaba25e38b..33c9a44a967899ac5b46e9b3e9951b2e80ff164d 100644 (file)
@@ -77,10 +77,15 @@ static struct usb_device_id ath3k_table[] = {
        { USB_DEVICE(0x0CF3, 0x311D) },
        { USB_DEVICE(0x13d3, 0x3375) },
        { USB_DEVICE(0x04CA, 0x3005) },
+       { USB_DEVICE(0x04CA, 0x3006) },
+       { USB_DEVICE(0x04CA, 0x3008) },
        { USB_DEVICE(0x13d3, 0x3362) },
        { USB_DEVICE(0x0CF3, 0xE004) },
        { USB_DEVICE(0x0930, 0x0219) },
        { USB_DEVICE(0x0489, 0xe057) },
+       { USB_DEVICE(0x13d3, 0x3393) },
+       { USB_DEVICE(0x0489, 0xe04e) },
+       { USB_DEVICE(0x0489, 0xe056) },
 
        /* Atheros AR5BBU12 with sflash firmware */
        { USB_DEVICE(0x0489, 0xE02C) },
@@ -104,10 +109,15 @@ static struct usb_device_id ath3k_blist_tbl[] = {
        { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
+       { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
+       { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
+       { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
+       { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
+       { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
 
        /* Atheros AR5BBU22 with sflash firmware */
        { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
index a1d4ede5b892d4516b294f91aca91633864e7d43..7e351e345476c1bcc2141f95e41fe43a3e65e612 100644 (file)
@@ -135,10 +135,15 @@ static struct usb_device_id blacklist_table[] = {
        { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
+       { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
+       { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
+       { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
+       { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
+       { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
 
        /* Atheros AR5BBU12 with sflash firmware */
        { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
index 684b0d53764f38d218b8cff41d5a9e0c3e248979..ee4dbeafb377c5a7786e97372962db2a05904427 100644 (file)
@@ -2062,7 +2062,8 @@ static void virtcons_remove(struct virtio_device *vdev)
        /* Disable interrupts for vqs */
        vdev->config->reset(vdev);
        /* Finish up work that's lined up */
-       cancel_work_sync(&portdev->control_work);
+       if (use_multiport(portdev))
+               cancel_work_sync(&portdev->control_work);
 
        list_for_each_entry_safe(port, port2, &portdev->ports, list)
                unplug_port(port);
index 281f566a5513d907fefc67da9237a2ec41ab8679..d1e9eb191f2bd77ff72614c0819885d31dcf473d 100644 (file)
@@ -340,7 +340,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
        /*
         * Alocate and fill the csrow/channels structs
         */
-       mci->csrows = kcalloc(sizeof(*mci->csrows), tot_csrows, GFP_KERNEL);
+       mci->csrows = kcalloc(tot_csrows, sizeof(*mci->csrows), GFP_KERNEL);
        if (!mci->csrows)
                goto error;
        for (row = 0; row < tot_csrows; row++) {
@@ -351,7 +351,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
                csr->csrow_idx = row;
                csr->mci = mci;
                csr->nr_channels = tot_channels;
-               csr->channels = kcalloc(sizeof(*csr->channels), tot_channels,
+               csr->channels = kcalloc(tot_channels, sizeof(*csr->channels),
                                        GFP_KERNEL);
                if (!csr->channels)
                        goto error;
@@ -369,7 +369,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
        /*
         * Allocate and fill the dimm structs
         */
-       mci->dimms  = kcalloc(sizeof(*mci->dimms), tot_dimms, GFP_KERNEL);
+       mci->dimms  = kcalloc(tot_dimms, sizeof(*mci->dimms), GFP_KERNEL);
        if (!mci->dimms)
                goto error;
 
index dc6e905ee1a5402126496bd06838302a1b26165f..0056c4dae9d52cc24985200dbb58b724be73c3ed 100644 (file)
@@ -256,7 +256,7 @@ static ssize_t edac_pci_dev_store(struct kobject *kobj,
        struct edac_pci_dev_attribute *edac_pci_dev;
        edac_pci_dev = (struct edac_pci_dev_attribute *)attr;
 
-       if (edac_pci_dev->show)
+       if (edac_pci_dev->store)
                return edac_pci_dev->store(edac_pci_dev->value, buffer, count);
        return -EIO;
 }
index fd3ae6290d71ecfd927cc4447a942c099bd223ea..982f1f5f5742f21da9206f62fa622ce17adefe9f 100644 (file)
@@ -471,7 +471,7 @@ void __init dmi_scan_machine(void)
        char __iomem *p, *q;
        int rc;
 
-       if (efi_enabled) {
+       if (efi_enabled(EFI_CONFIG_TABLES)) {
                if (efi.smbios == EFI_INVALID_TABLE_ADDR)
                        goto error;
 
index 7b1c37497c9a2683569f8a1ac9c959e8d5bc7636..f5596db0cf583dc16226bc629a42977de0f9fa05 100644 (file)
@@ -674,7 +674,7 @@ static int efi_status_to_err(efi_status_t status)
                err = -EACCES;
                break;
        case EFI_NOT_FOUND:
-               err = -ENOENT;
+               err = -EIO;
                break;
        default:
                err = -EINVAL;
@@ -793,6 +793,7 @@ static ssize_t efivarfs_file_write(struct file *file,
                spin_unlock(&efivars->lock);
                efivar_unregister(var);
                drop_nlink(inode);
+               d_delete(file->f_dentry);
                dput(file->f_dentry);
 
        } else {
@@ -994,7 +995,7 @@ static int efivarfs_unlink(struct inode *dir, struct dentry *dentry)
                list_del(&var->list);
                spin_unlock(&efivars->lock);
                efivar_unregister(var);
-               drop_nlink(dir);
+               drop_nlink(dentry->d_inode);
                dput(dentry);
                return 0;
        }
@@ -1782,7 +1783,7 @@ efivars_init(void)
        printk(KERN_INFO "EFI Variables Facility v%s %s\n", EFIVARS_VERSION,
               EFIVARS_DATE);
 
-       if (!efi_enabled)
+       if (!efi_enabled(EFI_RUNTIME_SERVICES))
                return 0;
 
        /* For now we'll register the efi directory at /sys/firmware/efi */
@@ -1822,7 +1823,7 @@ err_put:
 static void __exit
 efivars_exit(void)
 {
-       if (efi_enabled) {
+       if (efi_enabled(EFI_RUNTIME_SERVICES)) {
                unregister_efivars(&__efivars);
                kobject_put(efi_kobj);
        }
index 4da4eb9ae92604c35349ebaeb39b4a612bac3ed6..2224f1dc074b1329d7ce9c80b78bef4fffc6e98b 100644 (file)
@@ -99,7 +99,7 @@ unsigned long __init find_ibft_region(unsigned long *sizep)
        /* iBFT 1.03 section 1.4.3.1 mandates that UEFI machines will
         * only use ACPI for this */
 
-       if (!efi_enabled)
+       if (!efi_enabled(EFI_BOOT))
                find_ibft_in_mem();
 
        if (ibft_addr) {
index 1d1f1e5e33f0ff267daa1d8ed4818b0a4e00fc7e..046bcda36abe7aa0f60e53f79f9988eaef61bd17 100644 (file)
@@ -24,7 +24,7 @@ config DRM_EXYNOS_DMABUF
 
 config DRM_EXYNOS_FIMD
        bool "Exynos DRM FIMD"
-       depends on DRM_EXYNOS && !FB_S3C
+       depends on DRM_EXYNOS && !FB_S3C && !ARCH_MULTIPLATFORM
        help
          Choose this option if you want to use Exynos FIMD for DRM.
 
@@ -48,7 +48,7 @@ config DRM_EXYNOS_G2D
 
 config DRM_EXYNOS_IPP
        bool "Exynos DRM IPP"
-       depends on DRM_EXYNOS
+       depends on DRM_EXYNOS && !ARCH_MULTIPLATFORM
        help
          Choose this option if you want to use IPP feature for DRM.
 
index ab37437bad8a9f0f5baa8b0425584ba95f5eb2c0..4c5b6859c9ea5cab2aa856ce43d3675f0240235e 100644 (file)
@@ -18,7 +18,6 @@
 #include "exynos_drm_drv.h"
 #include "exynos_drm_encoder.h"
 
-#define MAX_EDID 256
 #define to_exynos_connector(x) container_of(x, struct exynos_drm_connector,\
                                drm_connector)
 
@@ -96,7 +95,9 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
                                        to_exynos_connector(connector);
        struct exynos_drm_manager *manager = exynos_connector->manager;
        struct exynos_drm_display_ops *display_ops = manager->display_ops;
-       unsigned int count;
+       struct edid *edid = NULL;
+       unsigned int count = 0;
+       int ret;
 
        DRM_DEBUG_KMS("%s\n", __FILE__);
 
@@ -114,27 +115,21 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
         * because lcd panel has only one mode.
         */
        if (display_ops->get_edid) {
-               int ret;
-               void *edid;
-
-               edid = kzalloc(MAX_EDID, GFP_KERNEL);
-               if (!edid) {
-                       DRM_ERROR("failed to allocate edid\n");
-                       return 0;
+               edid = display_ops->get_edid(manager->dev, connector);
+               if (IS_ERR_OR_NULL(edid)) {
+                       ret = PTR_ERR(edid);
+                       edid = NULL;
+                       DRM_ERROR("Panel operation get_edid failed %d\n", ret);
+                       goto out;
                }
 
-               ret = display_ops->get_edid(manager->dev, connector,
-                                               edid, MAX_EDID);
-               if (ret < 0) {
-                       DRM_ERROR("failed to get edid data.\n");
-                       kfree(edid);
-                       edid = NULL;
-                       return 0;
+               count = drm_add_edid_modes(connector, edid);
+               if (count < 0) {
+                       DRM_ERROR("Add edid modes failed %d\n", count);
+                       goto out;
                }
 
                drm_mode_connector_update_edid_property(connector, edid);
-               count = drm_add_edid_modes(connector, edid);
-               kfree(edid);
        } else {
                struct exynos_drm_panel_info *panel;
                struct drm_display_mode *mode = drm_mode_create(connector->dev);
@@ -161,6 +156,8 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
                count = 1;
        }
 
+out:
+       kfree(edid);
        return count;
 }
 
index 9df97714b6c0b8a2244fa1f61da5eb4a76c774dd..ba0a3aa785474f27ca0ba23b181e71d7d5bf82a9 100644 (file)
@@ -19,6 +19,7 @@
 struct exynos_drm_dmabuf_attachment {
        struct sg_table sgt;
        enum dma_data_direction dir;
+       bool is_mapped;
 };
 
 static int exynos_gem_attach_dma_buf(struct dma_buf *dmabuf,
@@ -72,17 +73,10 @@ static struct sg_table *
 
        DRM_DEBUG_PRIME("%s\n", __FILE__);
 
-       if (WARN_ON(dir == DMA_NONE))
-               return ERR_PTR(-EINVAL);
-
        /* just return current sgt if already requested. */
-       if (exynos_attach->dir == dir)
+       if (exynos_attach->dir == dir && exynos_attach->is_mapped)
                return &exynos_attach->sgt;
 
-       /* reattaching is not allowed. */
-       if (WARN_ON(exynos_attach->dir != DMA_NONE))
-               return ERR_PTR(-EBUSY);
-
        buf = gem_obj->buffer;
        if (!buf) {
                DRM_ERROR("buffer is null.\n");
@@ -107,13 +101,17 @@ static struct sg_table *
                wr = sg_next(wr);
        }
 
-       nents = dma_map_sg(attach->dev, sgt->sgl, sgt->orig_nents, dir);
-       if (!nents) {
-               DRM_ERROR("failed to map sgl with iommu.\n");
-               sgt = ERR_PTR(-EIO);
-               goto err_unlock;
+       if (dir != DMA_NONE) {
+               nents = dma_map_sg(attach->dev, sgt->sgl, sgt->orig_nents, dir);
+               if (!nents) {
+                       DRM_ERROR("failed to map sgl with iommu.\n");
+                       sg_free_table(sgt);
+                       sgt = ERR_PTR(-EIO);
+                       goto err_unlock;
+               }
        }
 
+       exynos_attach->is_mapped = true;
        exynos_attach->dir = dir;
        attach->priv = exynos_attach;
 
index b9e51bc09e81ad3ba81943e860ebb7a2580e0f2d..4606fac7241a0f2762dd0f10e8674efda02ac7d3 100644 (file)
@@ -148,8 +148,8 @@ struct exynos_drm_overlay {
 struct exynos_drm_display_ops {
        enum exynos_drm_output_type type;
        bool (*is_connected)(struct device *dev);
-       int (*get_edid)(struct device *dev, struct drm_connector *connector,
-                               u8 *edid, int len);
+       struct edid *(*get_edid)(struct device *dev,
+                       struct drm_connector *connector);
        void *(*get_panel)(struct device *dev);
        int (*check_timing)(struct device *dev, void *timing);
        int (*power_on)(struct device *dev, int mode);
index 36c3905536a65e824766ec61a385bb44a5f6c3f9..9a4c08e7453c35b2566c2c76b3bc7fa4406d7696 100644 (file)
@@ -324,7 +324,7 @@ out:
        g2d_userptr = NULL;
 }
 
-dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev,
+static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev,
                                        unsigned long userptr,
                                        unsigned long size,
                                        struct drm_file *filp,
index 850e9950b7da06c44d7fddaed4afdee812ce88ac..28644539b3056620912df744aaac7cccad6fa9a4 100644 (file)
@@ -108,18 +108,17 @@ static bool drm_hdmi_is_connected(struct device *dev)
        return false;
 }
 
-static int drm_hdmi_get_edid(struct device *dev,
-               struct drm_connector *connector, u8 *edid, int len)
+static struct edid *drm_hdmi_get_edid(struct device *dev,
+                       struct drm_connector *connector)
 {
        struct drm_hdmi_context *ctx = to_context(dev);
 
        DRM_DEBUG_KMS("%s\n", __FILE__);
 
        if (hdmi_ops && hdmi_ops->get_edid)
-               return hdmi_ops->get_edid(ctx->hdmi_ctx->ctx, connector, edid,
-                                         len);
+               return hdmi_ops->get_edid(ctx->hdmi_ctx->ctx, connector);
 
-       return 0;
+       return NULL;
 }
 
 static int drm_hdmi_check_timing(struct device *dev, void *timing)
index 784a7e9a766c4a178e2f73e628e63adce5f6c364..d80516fc9ed7efd4675dd582ba3601118a4ffbad 100644 (file)
@@ -30,8 +30,8 @@ struct exynos_drm_hdmi_context {
 struct exynos_hdmi_ops {
        /* display */
        bool (*is_connected)(void *ctx);
-       int (*get_edid)(void *ctx, struct drm_connector *connector,
-                       u8 *edid, int len);
+       struct edid *(*get_edid)(void *ctx,
+                       struct drm_connector *connector);
        int (*check_timing)(void *ctx, void *timing);
        int (*power_on)(void *ctx, int mode);
 
index 0bda96454a02fe6e8cf31ced93c37249355a5f99..1a556354e92fa15ee5b051600662a9f0d98a868b 100644 (file)
@@ -869,7 +869,7 @@ static void ipp_put_event(struct drm_exynos_ipp_cmd_node *c_node,
        }
 }
 
-void ipp_handle_cmd_work(struct device *dev,
+static void ipp_handle_cmd_work(struct device *dev,
                struct exynos_drm_ippdrv *ippdrv,
                struct drm_exynos_ipp_cmd_work *cmd_work,
                struct drm_exynos_ipp_cmd_node *c_node)
index e9e83ef688f0c3a4ccf0253154975eebddb1d378..f976e29def6effa8adc973e92b28ba9f9add4443 100644 (file)
@@ -734,7 +734,7 @@ static int rotator_remove(struct platform_device *pdev)
        return 0;
 }
 
-struct rot_limit_table rot_limit_tbl = {
+static struct rot_limit_table rot_limit_tbl = {
        .ycbcr420_2p = {
                .min_w = 32,
                .min_h = 32,
@@ -751,7 +751,7 @@ struct rot_limit_table rot_limit_tbl = {
        },
 };
 
-struct platform_device_id rotator_driver_ids[] = {
+static struct platform_device_id rotator_driver_ids[] = {
        {
                .name           = "exynos-rot",
                .driver_data    = (unsigned long)&rot_limit_tbl,
index d0ca3c4e06c60bbeca05e87b783d1e7e4b690f16..13ccbd4bcfaa8c863f27d24870101c32166ecb47 100644 (file)
@@ -98,10 +98,12 @@ static bool vidi_display_is_connected(struct device *dev)
        return ctx->connected ? true : false;
 }
 
-static int vidi_get_edid(struct device *dev, struct drm_connector *connector,
-                               u8 *edid, int len)
+static struct edid *vidi_get_edid(struct device *dev,
+                       struct drm_connector *connector)
 {
        struct vidi_context *ctx = get_vidi_context(dev);
+       struct edid *edid;
+       int edid_len;
 
        DRM_DEBUG_KMS("%s\n", __FILE__);
 
@@ -111,13 +113,18 @@ static int vidi_get_edid(struct device *dev, struct drm_connector *connector,
         */
        if (!ctx->raw_edid) {
                DRM_DEBUG_KMS("raw_edid is null.\n");
-               return -EFAULT;
+               return ERR_PTR(-EFAULT);
        }
 
-       memcpy(edid, ctx->raw_edid, min((1 + ctx->raw_edid->extensions)
-                                       * EDID_LENGTH, len));
+       edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
+       edid = kzalloc(edid_len, GFP_KERNEL);
+       if (!edid) {
+               DRM_DEBUG_KMS("failed to allocate edid\n");
+               return ERR_PTR(-ENOMEM);
+       }
 
-       return 0;
+       memcpy(edid, ctx->raw_edid, edid_len);
+       return edid;
 }
 
 static void *vidi_get_panel(struct device *dev)
@@ -514,7 +521,6 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
        struct exynos_drm_manager *manager;
        struct exynos_drm_display_ops *display_ops;
        struct drm_exynos_vidi_connection *vidi = data;
-       struct edid *raw_edid;
        int edid_len;
 
        DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -551,11 +557,11 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
        }
 
        if (vidi->connection) {
-               if (!vidi->edid) {
-                       DRM_DEBUG_KMS("edid data is null.\n");
+               struct edid *raw_edid  = (struct edid *)(uint32_t)vidi->edid;
+               if (!drm_edid_is_valid(raw_edid)) {
+                       DRM_DEBUG_KMS("edid data is invalid.\n");
                        return -EINVAL;
                }
-               raw_edid = (struct edid *)(uint32_t)vidi->edid;
                edid_len = (1 + raw_edid->extensions) * EDID_LENGTH;
                ctx->raw_edid = kzalloc(edid_len, GFP_KERNEL);
                if (!ctx->raw_edid) {
index 41ff79d8ac8ec27db3f4b5cd3edadb0d86dde241..fbab3c4686031ce9c07a1b19546ab73ddb4f92e7 100644 (file)
@@ -34,7 +34,6 @@
 #include <linux/regulator/consumer.h>
 #include <linux/io.h>
 #include <linux/of_gpio.h>
-#include <plat/gpio-cfg.h>
 
 #include <drm/exynos_drm.h>
 
@@ -98,8 +97,7 @@ struct hdmi_context {
 
        void __iomem                    *regs;
        void                            *parent_ctx;
-       int                             external_irq;
-       int                             internal_irq;
+       int                             irq;
 
        struct i2c_client               *ddc_port;
        struct i2c_client               *hdmiphy_port;
@@ -1391,8 +1389,7 @@ static bool hdmi_is_connected(void *ctx)
        return hdata->hpd;
 }
 
-static int hdmi_get_edid(void *ctx, struct drm_connector *connector,
-                               u8 *edid, int len)
+static struct edid *hdmi_get_edid(void *ctx, struct drm_connector *connector)
 {
        struct edid *raw_edid;
        struct hdmi_context *hdata = ctx;
@@ -1400,22 +1397,18 @@ static int hdmi_get_edid(void *ctx, struct drm_connector *connector,
        DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
 
        if (!hdata->ddc_port)
-               return -ENODEV;
+               return ERR_PTR(-ENODEV);
 
        raw_edid = drm_get_edid(connector, hdata->ddc_port->adapter);
-       if (raw_edid) {
-               hdata->dvi_mode = !drm_detect_hdmi_monitor(raw_edid);
-               memcpy(edid, raw_edid, min((1 + raw_edid->extensions)
-                                       * EDID_LENGTH, len));
-               DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n",
-                       (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
-                       raw_edid->width_cm, raw_edid->height_cm);
-               kfree(raw_edid);
-       } else {
-               return -ENODEV;
-       }
+       if (!raw_edid)
+               return ERR_PTR(-ENODEV);
 
-       return 0;
+       hdata->dvi_mode = !drm_detect_hdmi_monitor(raw_edid);
+       DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n",
+               (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
+               raw_edid->width_cm, raw_edid->height_cm);
+
+       return raw_edid;
 }
 
 static int hdmi_v13_check_timing(struct fb_videomode *check_timing)
@@ -1652,16 +1645,16 @@ static void hdmi_conf_reset(struct hdmi_context *hdata)
 
        /* resetting HDMI core */
        hdmi_reg_writemask(hdata, reg,  0, HDMI_CORE_SW_RSTOUT);
-       mdelay(10);
+       usleep_range(10000, 12000);
        hdmi_reg_writemask(hdata, reg, ~0, HDMI_CORE_SW_RSTOUT);
-       mdelay(10);
+       usleep_range(10000, 12000);
 }
 
 static void hdmi_conf_init(struct hdmi_context *hdata)
 {
        struct hdmi_infoframe infoframe;
 
-       /* disable HPD interrupts */
+       /* disable HPD interrupts from HDMI IP block, use GPIO instead */
        hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL |
                HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG);
 
@@ -1779,7 +1772,7 @@ static void hdmi_v13_timing_apply(struct hdmi_context *hdata)
                u32 val = hdmi_reg_read(hdata, HDMI_V13_PHY_STATUS);
                if (val & HDMI_PHY_STATUS_READY)
                        break;
-               mdelay(1);
+               usleep_range(1000, 2000);
        }
        /* steady state not achieved */
        if (tries == 0) {
@@ -1946,7 +1939,7 @@ static void hdmi_v14_timing_apply(struct hdmi_context *hdata)
                u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS_0);
                if (val & HDMI_PHY_STATUS_READY)
                        break;
-               mdelay(1);
+               usleep_range(1000, 2000);
        }
        /* steady state not achieved */
        if (tries == 0) {
@@ -1998,9 +1991,9 @@ static void hdmiphy_conf_reset(struct hdmi_context *hdata)
 
        /* reset hdmiphy */
        hdmi_reg_writemask(hdata, reg, ~0, HDMI_PHY_SW_RSTOUT);
-       mdelay(10);
+       usleep_range(10000, 12000);
        hdmi_reg_writemask(hdata, reg,  0, HDMI_PHY_SW_RSTOUT);
-       mdelay(10);
+       usleep_range(10000, 12000);
 }
 
 static void hdmiphy_poweron(struct hdmi_context *hdata)
@@ -2048,7 +2041,7 @@ static void hdmiphy_conf_apply(struct hdmi_context *hdata)
                return;
        }
 
-       mdelay(10);
+       usleep_range(10000, 12000);
 
        /* operation mode */
        operation[0] = 0x1f;
@@ -2170,6 +2163,13 @@ static void hdmi_commit(void *ctx)
 
        DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
 
+       mutex_lock(&hdata->hdmi_mutex);
+       if (!hdata->powered) {
+               mutex_unlock(&hdata->hdmi_mutex);
+               return;
+       }
+       mutex_unlock(&hdata->hdmi_mutex);
+
        hdmi_conf_apply(hdata);
 }
 
@@ -2265,7 +2265,7 @@ static struct exynos_hdmi_ops hdmi_ops = {
        .dpms           = hdmi_dpms,
 };
 
-static irqreturn_t hdmi_external_irq_thread(int irq, void *arg)
+static irqreturn_t hdmi_irq_thread(int irq, void *arg)
 {
        struct exynos_drm_hdmi_context *ctx = arg;
        struct hdmi_context *hdata = ctx->ctx;
@@ -2280,31 +2280,6 @@ static irqreturn_t hdmi_external_irq_thread(int irq, void *arg)
        return IRQ_HANDLED;
 }
 
-static irqreturn_t hdmi_internal_irq_thread(int irq, void *arg)
-{
-       struct exynos_drm_hdmi_context *ctx = arg;
-       struct hdmi_context *hdata = ctx->ctx;
-       u32 intc_flag;
-
-       intc_flag = hdmi_reg_read(hdata, HDMI_INTC_FLAG);
-       /* clearing flags for HPD plug/unplug */
-       if (intc_flag & HDMI_INTC_FLAG_HPD_UNPLUG) {
-               DRM_DEBUG_KMS("unplugged\n");
-               hdmi_reg_writemask(hdata, HDMI_INTC_FLAG, ~0,
-                       HDMI_INTC_FLAG_HPD_UNPLUG);
-       }
-       if (intc_flag & HDMI_INTC_FLAG_HPD_PLUG) {
-               DRM_DEBUG_KMS("plugged\n");
-               hdmi_reg_writemask(hdata, HDMI_INTC_FLAG, ~0,
-                       HDMI_INTC_FLAG_HPD_PLUG);
-       }
-
-       if (ctx->drm_dev)
-               drm_helper_hpd_irq_event(ctx->drm_dev);
-
-       return IRQ_HANDLED;
-}
-
 static int hdmi_resources_init(struct hdmi_context *hdata)
 {
        struct device *dev = hdata->dev;
@@ -2555,39 +2530,24 @@ static int hdmi_probe(struct platform_device *pdev)
 
        hdata->hdmiphy_port = hdmi_hdmiphy;
 
-       hdata->external_irq = gpio_to_irq(hdata->hpd_gpio);
-       if (hdata->external_irq < 0) {
-               DRM_ERROR("failed to get GPIO external irq\n");
-               ret = hdata->external_irq;
-               goto err_hdmiphy;
-       }
-
-       hdata->internal_irq = platform_get_irq(pdev, 0);
-       if (hdata->internal_irq < 0) {
-               DRM_ERROR("failed to get platform internal irq\n");
-               ret = hdata->internal_irq;
+       hdata->irq = gpio_to_irq(hdata->hpd_gpio);
+       if (hdata->irq < 0) {
+               DRM_ERROR("failed to get GPIO irq\n");
+               ret = hdata->irq;
                goto err_hdmiphy;
        }
 
        hdata->hpd = gpio_get_value(hdata->hpd_gpio);
 
-       ret = request_threaded_irq(hdata->external_irq, NULL,
-                       hdmi_external_irq_thread, IRQF_TRIGGER_RISING |
+       ret = request_threaded_irq(hdata->irq, NULL,
+                       hdmi_irq_thread, IRQF_TRIGGER_RISING |
                        IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-                       "hdmi_external", drm_hdmi_ctx);
+                       "hdmi", drm_hdmi_ctx);
        if (ret) {
-               DRM_ERROR("failed to register hdmi external interrupt\n");
+               DRM_ERROR("failed to register hdmi interrupt\n");
                goto err_hdmiphy;
        }
 
-       ret = request_threaded_irq(hdata->internal_irq, NULL,
-                       hdmi_internal_irq_thread, IRQF_ONESHOT,
-                       "hdmi_internal", drm_hdmi_ctx);
-       if (ret) {
-               DRM_ERROR("failed to register hdmi internal interrupt\n");
-               goto err_free_irq;
-       }
-
        /* Attach HDMI Driver to common hdmi. */
        exynos_hdmi_drv_attach(drm_hdmi_ctx);
 
@@ -2598,8 +2558,6 @@ static int hdmi_probe(struct platform_device *pdev)
 
        return 0;
 
-err_free_irq:
-       free_irq(hdata->external_irq, drm_hdmi_ctx);
 err_hdmiphy:
        i2c_del_driver(&hdmiphy_driver);
 err_ddc:
@@ -2617,8 +2575,7 @@ static int hdmi_remove(struct platform_device *pdev)
 
        pm_runtime_disable(dev);
 
-       free_irq(hdata->internal_irq, hdata);
-       free_irq(hdata->external_irq, hdata);
+       free_irq(hdata->irq, hdata);
 
 
        /* hdmiphy i2c driver */
@@ -2637,8 +2594,7 @@ static int hdmi_suspend(struct device *dev)
 
        DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
 
-       disable_irq(hdata->internal_irq);
-       disable_irq(hdata->external_irq);
+       disable_irq(hdata->irq);
 
        hdata->hpd = false;
        if (ctx->drm_dev)
@@ -2663,8 +2619,7 @@ static int hdmi_resume(struct device *dev)
 
        hdata->hpd = gpio_get_value(hdata->hpd_gpio);
 
-       enable_irq(hdata->external_irq);
-       enable_irq(hdata->internal_irq);
+       enable_irq(hdata->irq);
 
        if (!pm_runtime_suspended(dev)) {
                DRM_DEBUG_KMS("%s : Already resumed\n", __func__);
index c187ea33b748c031b91d10e45479d98368b297f6..c414584bfbaecf36d285be933e9e212fbea7784d 100644 (file)
@@ -600,7 +600,7 @@ static void vp_win_reset(struct mixer_context *ctx)
                /* waiting until VP_SRESET_PROCESSING is 0 */
                if (~vp_reg_read(res, VP_SRESET) & VP_SRESET_PROCESSING)
                        break;
-               mdelay(10);
+               usleep_range(10000, 12000);
        }
        WARN(tries == 0, "failed to reset Video Processor\n");
 }
@@ -776,6 +776,13 @@ static void mixer_win_commit(void *ctx, int win)
 
        DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win);
 
+       mutex_lock(&mixer_ctx->mixer_mutex);
+       if (!mixer_ctx->powered) {
+               mutex_unlock(&mixer_ctx->mixer_mutex);
+               return;
+       }
+       mutex_unlock(&mixer_ctx->mixer_mutex);
+
        if (win > 1 && mixer_ctx->vp_enabled)
                vp_video_buffer(mixer_ctx, win);
        else
index 7944d301518ac80f2ef1b72e1b5e29b5213bc33f..9d4a2c2adf0e0883d76d13070fa09f7aa32e1526 100644 (file)
@@ -30,6 +30,7 @@
 #include <linux/debugfs.h>
 #include <linux/slab.h>
 #include <linux/export.h>
+#include <generated/utsrelease.h>
 #include <drm/drmP.h>
 #include "intel_drv.h"
 #include "intel_ringbuffer.h"
@@ -690,6 +691,7 @@ static int i915_error_state(struct seq_file *m, void *unused)
 
        seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
                   error->time.tv_usec);
+       seq_printf(m, "Kernel: " UTS_RELEASE);
        seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
        seq_printf(m, "EIR: 0x%08x\n", error->eir);
        seq_printf(m, "IER: 0x%08x\n", error->ier);
index b401788e1791f2057cee7d17a1e3c1024adfa99a..59afb7eb6db635cf2f9bbe5477ffc8bd75fddd30 100644 (file)
 #define MI_MODE                0x0209c
 # define VS_TIMER_DISPATCH                             (1 << 6)
 # define MI_FLUSH_ENABLE                               (1 << 12)
+# define ASYNC_FLIP_PERF_DISABLE                       (1 << 14)
 
 #define GEN6_GT_MODE   0x20d0
 #define   GEN6_GT_MODE_HI                              (1 << 9)
index ae253e04c39105502fa1b82e05889970139f123f..42ff97d667d2b84ad339b27ab1f59110ba5831e8 100644 (file)
@@ -505,13 +505,25 @@ static int init_render_ring(struct intel_ring_buffer *ring)
        struct drm_i915_private *dev_priv = dev->dev_private;
        int ret = init_ring_common(ring);
 
-       if (INTEL_INFO(dev)->gen > 3) {
+       if (INTEL_INFO(dev)->gen > 3)
                I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(VS_TIMER_DISPATCH));
-               if (IS_GEN7(dev))
-                       I915_WRITE(GFX_MODE_GEN7,
-                                  _MASKED_BIT_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |
-                                  _MASKED_BIT_ENABLE(GFX_REPLAY_MODE));
-       }
+
+       /* We need to disable the AsyncFlip performance optimisations in order
+        * to use MI_WAIT_FOR_EVENT within the CS. It should already be
+        * programmed to '1' on all products.
+        */
+       if (INTEL_INFO(dev)->gen >= 6)
+               I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(ASYNC_FLIP_PERF_DISABLE));
+
+       /* Required for the hardware to program scanline values for waiting */
+       if (INTEL_INFO(dev)->gen == 6)
+               I915_WRITE(GFX_MODE,
+                          _MASKED_BIT_ENABLE(GFX_TLB_INVALIDATE_ALWAYS));
+
+       if (IS_GEN7(dev))
+               I915_WRITE(GFX_MODE_GEN7,
+                          _MASKED_BIT_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |
+                          _MASKED_BIT_ENABLE(GFX_REPLAY_MODE));
 
        if (INTEL_INFO(dev)->gen >= 5) {
                ret = init_pipe_control(ring);
index 4d0e60adbc6d47e841f38a119e3637ca35519c2b..a2d478e8692a0ea4e0bf0300164c400045b4c655 100644 (file)
@@ -1313,14 +1313,18 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
                                if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) {
                                        radeon_wait_for_vblank(rdev, i);
                                        tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
+                                       WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
                                        WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
+                                       WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
                                }
                        } else {
                                tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
                                if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
                                        radeon_wait_for_vblank(rdev, i);
                                        tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
+                                       WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
                                        WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
+                                       WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
                                }
                        }
                        /* wait for the next frame */
@@ -1345,6 +1349,8 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
                blackout &= ~BLACKOUT_MODE_MASK;
                WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
        }
+       /* wait for the MC to settle */
+       udelay(100);
 }
 
 void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
@@ -1378,11 +1384,15 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s
                        if (ASIC_IS_DCE6(rdev)) {
                                tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
                                tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
+                               WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
                                WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
+                               WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
                        } else {
                                tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
                                tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
+                               WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
                                WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
+                               WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
                        }
                        /* wait for the next frame */
                        frame_count = radeon_get_vblank_counter(rdev, i);
@@ -2036,9 +2046,20 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
        WREG32(HDP_ADDR_CONFIG, gb_addr_config);
        WREG32(DMA_TILING_CONFIG, gb_addr_config);
 
-       tmp = gb_addr_config & NUM_PIPES_MASK;
-       tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
-                                       EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
+       if ((rdev->config.evergreen.max_backends == 1) &&
+           (rdev->flags & RADEON_IS_IGP)) {
+               if ((disabled_rb_mask & 3) == 1) {
+                       /* RB0 disabled, RB1 enabled */
+                       tmp = 0x11111111;
+               } else {
+                       /* RB1 disabled, RB0 enabled */
+                       tmp = 0x00000000;
+               }
+       } else {
+               tmp = gb_addr_config & NUM_PIPES_MASK;
+               tmp = r6xx_remap_render_backend(rdev, tmp, rd