Commit 9887334b authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman

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: default avatarChristophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 5a61640e
...@@ -235,8 +235,6 @@ static inline dma_addr_t dma_nommu_map_page(struct device *dev, ...@@ -235,8 +235,6 @@ static inline dma_addr_t dma_nommu_map_page(struct device *dev,
enum dma_data_direction dir, enum dma_data_direction dir,
unsigned long attrs) unsigned long attrs)
{ {
BUG_ON(dir == DMA_NONE);
if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC)) if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC))
__dma_sync_page(page, offset, size, dir); __dma_sync_page(page, offset, size, dir);
......
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