ARM: dmabounce: avoid needless valid_dma_direction() check

This check is done at the DMA API level, so there's no point repeating
it here.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2011-07-03 19:46:39 +01:00
commit 71695dd8b9