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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-01-03 00:00:17 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-01-03 11:27:43 +0000
commit9eedd96301cad8ab58ee8c1e579677d0a75c2ba1 (patch)
tree87f5ebbbd5769516771bef37574b39464177f496 /arch/arm/mach-iop13xx
parent3d29005ab8d828e36108ecc2338612ce3acdd86f (diff)
downloadop-kernel-dev-9eedd96301cad8ab58ee8c1e579677d0a75c2ba1.zip
op-kernel-dev-9eedd96301cad8ab58ee8c1e579677d0a75c2ba1.tar.gz
ARM: DMA: Replace page_to_dma()/dma_to_page() with pfn_to_dma()/dma_to_pfn()
Replace the page_to_dma() and dma_to_page() macros with their PFN equivalents. This allows us to map parts of memory which do not have a struct page allocated to them to bus addresses. This will be used internally by dma_alloc_coherent()/dma_alloc_writecombine(). Build tested on Versatile, OMAP1, IOP13xx and KS8695. Tested-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-iop13xx')
-rw-r--r--arch/arm/mach-iop13xx/include/mach/memory.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/mach-iop13xx/include/mach/memory.h b/arch/arm/mach-iop13xx/include/mach/memory.h
index 7415e43..3ad4553 100644
--- a/arch/arm/mach-iop13xx/include/mach/memory.h
+++ b/arch/arm/mach-iop13xx/include/mach/memory.h
@@ -58,13 +58,13 @@ static inline unsigned long __lbus_to_virt(dma_addr_t x)
__dma; \
})
-#define __arch_page_to_dma(dev, page) \
+#define __arch_pfn_to_dma(dev, pfn) \
({ \
/* __is_lbus_virt() can never be true for RAM pages */ \
- (dma_addr_t)page_to_phys(page); \
+ (dma_addr_t)__pfn_to_phys(pfn); \
})
-#define __arch_dma_to_page(dev, addr) phys_to_page(addr)
+#define __arch_dma_to_pfn(dev, addr) __phys_to_pfn(addr)
#endif /* CONFIG_ARCH_IOP13XX */
#endif /* !ASSEMBLY */
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