diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-10-31 16:07:16 +0000 |
|---|---|---|
| committer | Gary King <gking@nvidia.com> | 2010-04-05 14:11:15 -0700 |
| commit | a63a6680a136df8f54ab62dc83ebe677220c4ff2 (patch) | |
| tree | 0e56c41bc93b661d683ddaa966463b5b536b0818 /arch/arm/mach-ks8695 | |
| parent | 7a272f5b1bd3582dea9e20f1ddff45d7ef485337 (diff) | |
ARM: dma-mapping: provide dma_to_page()
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-By: Jamie Iles <jamie@jamieiles.com>
Diffstat (limited to 'arch/arm/mach-ks8695')
| -rw-r--r-- | arch/arm/mach-ks8695/include/mach/memory.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-ks8695/include/mach/memory.h b/arch/arm/mach-ks8695/include/mach/memory.h index 76e5308685a4..ffa19aae6e05 100644 --- a/arch/arm/mach-ks8695/include/mach/memory.h +++ b/arch/arm/mach-ks8695/include/mach/memory.h @@ -41,6 +41,13 @@ extern struct bus_type platform_bus_type; __dma = __dma - PHYS_OFFSET + KS8695_PCIMEM_PA; \ __dma; }) +#define __arch_dma_to_page(dev, x) \ + ({ dma_addr_t __dma = x; \ + if (!is_lbus_device(dev)) \ + __dma += PHYS_OFFSET - KS8695_PCIMEM_PA; \ + phys_to_page(__dma); \ + }) + #endif #endif |