compat: backport phys_addr_t (CONFIG_PHYS_ADDR_T_64BIT)

[~tnikolova/compat/.git] / include / linux / compat-2.6.28.h

diff --git a/include/linux/compat-2.6.28.h b/include/linux/compat-2.6.28.h
index c92c8b4..c4865f0 100644 (file)
--- a/include/linux/compat-2.6.28.h
+++ b/include/linux/compat-2.6.28.h
@@ -8,6 +8,7 @@
 #include <linux/skbuff.h>
 #include <linux/if_ether.h>
 #include <linux/usb.h>
+#include <linux/types.h>
 
 #ifndef ETH_P_PAE
 #define ETH_P_PAE 0x888E      /* Port Access Entity (IEEE 802.1X) */
@@ -15,6 +16,21 @@
 
 #include <linux/pci.h>
 
+#if defined(CONFIG_X86) || defined(CONFIG_X86_64) || defined(CONFIG_PPC)
+/*
+ * CONFIG_PHYS_ADDR_T_64BIT was added as new to all architectures
+ * as of 2.6.28 but x86 and ppc had it already.
+ */
+#else
+#if defined(CONFIG_64BIT) || defined(CONFIG_X86_PAE) || defned(CONFIG_PPC64) || defined(CONFIG_PHYS_64BIT)
+#define CONFIG_PHYS_ADDR_T_64BIT 1
+typedef u64 phys_addr_t;
+#else
+typedef u32 phys_addr_t;
+#endif
+
+#endif /* non x86 and ppc */
+
 #ifndef WARN_ONCE
 #define WARN_ONCE(condition, format...) ({                      \
        static int __warned;                                    \