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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-12-04 15:00:08 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-12-04 15:00:11 +0000
commit2fc42814d8a9dd757abc7f80fbf11e9247e97d40 (patch)
tree8216bbfc4fdf9bda4e30c04f415725dd0ef6da4f /arch/arm/include/asm/memory.h
parentc6baa1963c2a76ffdb157e8b9a5a55b30046b125 (diff)
parent29cb8d0d249f6b8fa33683cc17622ff16ada834c (diff)
downloadop-kernel-dev-2fc42814d8a9dd757abc7f80fbf11e9247e97d40.zip
op-kernel-dev-2fc42814d8a9dd757abc7f80fbf11e9247e97d40.tar.gz
Merge branch 'pending-dma-streaming' (early part) into devel
Diffstat (limited to 'arch/arm/include/asm/memory.h')
-rw-r--r--arch/arm/include/asm/memory.h14
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index bc2ff8b2..5421d82 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -136,6 +136,12 @@
#define __phys_to_pfn(paddr) ((paddr) >> PAGE_SHIFT)
#define __pfn_to_phys(pfn) ((pfn) << PAGE_SHIFT)
+/*
+ * Convert a page to/from a physical address
+ */
+#define page_to_phys(page) (__pfn_to_phys(page_to_pfn(page)))
+#define phys_to_page(phys) (pfn_to_page(__phys_to_pfn(phys)))
+
#ifndef __ASSEMBLY__
/*
@@ -196,7 +202,8 @@ static inline void *phys_to_virt(unsigned long x)
#ifndef __virt_to_bus
#define __virt_to_bus __virt_to_phys
#define __bus_to_virt __phys_to_virt
-#define __pfn_to_bus(x) ((x) << PAGE_SHIFT)
+#define __pfn_to_bus(x) __pfn_to_phys(x)
+#define __bus_to_pfn(x) __phys_to_pfn(x)
#endif
static inline __deprecated unsigned long virt_to_bus(void *x)
@@ -295,11 +302,6 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
#endif /* !CONFIG_DISCONTIGMEM */
/*
- * For BIO. "will die". Kill me when bio_to_phys() and bvec_to_phys() die.
- */
-#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
-
-/*
* Optional coherency support. Currently used only by selected
* Intel XSC3-based systems.
*/
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