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>

diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c
index 8a0588b007e4ba385e840fa501710c1c9db2eaa6..3e0fa1548582ccad68eb51ee8b1ca6e2ee8cbcf5 100644 (file)
--- a/arch/arm/common/dmabounce.c
+++ b/arch/arm/common/dmabounce.c
@@ -334,8 +334,6 @@ dma_addr_t __dma_map_page(struct device *dev, struct page *page,
        dev_dbg(dev, "%s(page=%p,off=%#lx,size=%zx,dir=%x)\n",
                __func__, page, offset, size, dir);
 
-       BUG_ON(!valid_dma_direction(dir));
-
        if (PageHighMem(page)) {
                dev_err(dev, "DMA buffer bouncing of HIGHMEM pages "
                             "is not supported\n");