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| author |   Christophe Leroy <christophe.leroy@c-s.fr> | 2018-02-28 19:21:45 +0100 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2018-06-04 00:39:14 +1000 |
| commit | 9887334b804892f10262fa7f805998d554e04367 (patch) | |
| tree | 4839c413bed0b0584ae9bd07c78d5c8b5317ccb6 | |
| parent | powerpc/sstep: Fix emulate_step test if VSX not present (diff) | |
| download | linux-dev-9887334b804892f10262fa7f805998d554e04367.tar.xz linux-dev-9887334b804892f10262fa7f805998d554e04367.zip | |
powerpc/dma: remove unnecessary BUG()
Direction is already checked in all calling functions in
include/linux/dma-mapping.h and also in called function __dma_sync()
So really no need to check it once more here.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/kernel/dma.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index da20569de9d4..e1cd6e979348 100644 --- a/arch/powerpc/kernel/dma.c +++ b/arch/powerpc/kernel/dma.c @@ -235,8 +235,6 @@ static inline dma_addr_t dma_nommu_map_page(struct device *dev, enum dma_data_direction dir, unsigned long attrs) { - BUG_ON(dir == DMA_NONE); - if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC)) __dma_sync_page(page, offset, size, dir); |