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authorVitaly Bordug <vitb@kernel.crashing.org>2008-07-09 13:13:38 +1000
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-08 21:06:35 -0700
commitba0fc709e197415aadd46b9ec208dc4abaa21edd (patch)
treeeaae67898525cc4b705304076fa86d0be5292bbf
parentf1d407efbe59ff1a450f0ec7a486a768acaa2949 (diff)
downloadop-kernel-dev-ba0fc709e197415aadd46b9ec208dc4abaa21edd.zip
op-kernel-dev-ba0fc709e197415aadd46b9ec208dc4abaa21edd.tar.gz
powerpc: Add missing reference to coherent_dma_mask
There is dma_mask in of_device upon of_platform_device_create() but we don't actually set coherent_dma_mask. This may cause weird behavior of USB subsystem using of_device USB host drivers. Signed-off-by: Vitaly Bordug <vitb@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/powerpc/kernel/of_platform.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index e79ad8a..3f37a6e 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -76,6 +76,8 @@ struct of_device* of_platform_device_create(struct device_node *np,
return NULL;
dev->dma_mask = 0xffffffffUL;
+ dev->dev.coherent_dma_mask = DMA_32BIT_MASK;
+
dev->dev.bus = &of_platform_bus_type;
/* We do not fill the DMA ops for platform devices by default.
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