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authorIngo Molnar <mingo@elte.hu>2009-08-31 17:54:18 +0200
committerIngo Molnar <mingo@elte.hu>2009-08-31 18:05:25 +0200
commitbbe69aa57a7374b51242b95a54eefcf0d0393b7e (patch)
treec45e48d11cc9cb81a57c8c27f7243863b117cec8 /arch/powerpc/kernel/dma.c
parenta417887637e862b434b293404f2a31ad1f282a58 (diff)
parent326ba5010a5429a5a528b268b36a5900d4ab0eba (diff)
Merge commit 'v2.6.31-rc8' into core/locking
Merge reason: we were on -rc4, move to -rc8 before applying a new batch of locking infrastructure changes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/kernel/dma.c')
-rw-r--r--arch/powerpc/kernel/dma.c6
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