[ARM] 3016/1: Replace map_desc.physical with map_desc.pfn
Patch from Deepak Saxena
Convert map_desc.physical to map_desc.pfn. This allows us to add
support for 36-bit addressed physical devices in the static maps
without having to resort to u64 variables.
Signed-off-by: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/mach/map.h b/include/asm-arm/mach/map.h
index 9ac47cf..0619522 100644
--- a/include/asm-arm/mach/map.h
+++ b/include/asm-arm/mach/map.h
@@ -11,7 +11,7 @@
*/
struct map_desc {
unsigned long virtual;
- unsigned long physical;
+ unsigned long pfn;
unsigned long length;
unsigned int type;
};
@@ -27,6 +27,9 @@
#define MT_ROM 6
#define MT_IXP2000_DEVICE 7
+#define __phys_to_pfn(paddr) (paddr >> PAGE_SHIFT)
+#define __pfn_to_phys(pfn) (pfn << PAGE_SHIFT)
+
extern void create_memmap_holes(struct meminfo *);
extern void memtable_init(struct meminfo *);
extern void iotable_init(struct map_desc *, int);