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| author | Vitaly Bordug <vitb@kernel.crashing.org> | 2008-07-09 13:13:38 +1000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-07-24 09:14:10 -0700 |
| commit | 0a96934becd9759b4dbf247226557c22abd12824 (patch) | |
| tree | 5e92bc96e2a593601f0fce0a3caf41067beef3c6 | |
| parent | c2bd04d8040a91fe2ee2e9fee1a6562ca9792249 (diff) | |
| download | lwn-0a96934becd9759b4dbf247226557c22abd12824.tar.gz lwn-0a96934becd9759b4dbf247226557c22abd12824.zip | |
powerpc: Add missing reference to coherent_dma_mask
commit ba0fc709e197415aadd46b9ec208dc4abaa21edd upstream
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | arch/powerpc/kernel/of_platform.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c index fb698d47082d..3ae33d488e06 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. |