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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-08-10 17:59:56 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-08-10 17:59:56 +0200 |
| commit | 2c661a669b3e2e34311d7965271a628671191e45 (patch) | |
| tree | 661f8ed4913a3d98c1a620e66a408f2262bf4bb0 /arch | |
| parent | MN10300: includecheck fix: mn10300, pci.h (diff) | |
| parent | powerpc/dma: pci_set_dma_mask() shouldn't fail if mask fits in RAM (diff) | |
| download | linux-2c661a669b3e2e34311d7965271a628671191e45.tar.xz linux-2c661a669b3e2e34311d7965271a628671191e45.zip | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/dma: pci_set_dma_mask() shouldn't fail if mask fits in RAM
Diffstat (limited to 'arch')
| -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 20a60d661ba8..ccf129d47d84 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 |