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| author | H. Peter Anvin <hpa@zytor.com> | 2009-08-25 15:40:29 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-08-25 15:40:29 -0700 |
| commit | e8a2eb47e6ca03d4a4f98f0beef73720c5dddc0c (patch) | |
| tree | 31c4d7718111abddfaaa8d3fb14ab4a7e2554cd9 /arch/powerpc/kernel/dma.c | |
| parent | 8b5a10fc6fd02289ea03480f93382b1a99006142 (diff) | |
| parent | c62e43202e7cf50ca24bce58b255df7bf5de69d0 (diff) | |
Merge commit 'origin/x86/urgent' into x86/asm
Diffstat (limited to 'arch/powerpc/kernel/dma.c')
| -rw-r--r-- | arch/powerpc/kernel/dma.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index 20a60d661ba..ccf129d47d8 100644 --- a/arch/powerpc/kernel/dma.c +++ b/arch/powerpc/kernel/dma.c @@ -7,6 +7,7 @@ #include <linux/device.h> #include <linux/dma-mapping.h> +#include <linux/lmb.h> #include <asm/bug.h> #include <asm/abs_addr.h> @@ -90,11 +91,10 @@ static void dma_direct_unmap_sg(struct device *dev, struct scatterlist *sg, static int dma_direct_dma_supported(struct device *dev, u64 mask) { #ifdef CONFIG_PPC64 - /* Could be improved to check for memory though it better be - * done via some global so platforms can set the limit in case + /* Could be improved so platforms can set the limit in case * they have limited DMA windows */ - return mask >= DMA_BIT_MASK(32); + return mask >= (lmb_end_of_DRAM() - 1); #else return 1; #endif |