dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)
Replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)
Signed-off-by: Yang Hongyang<yanghy@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 0cf2d90..136a01d 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -40,7 +40,7 @@
to older i386. */
struct device x86_dma_fallback_dev = {
.init_name = "fallback device",
- .coherent_dma_mask = DMA_32BIT_MASK,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.dma_mask = &x86_dma_fallback_dev.coherent_dma_mask,
};
EXPORT_SYMBOL(x86_dma_fallback_dev);
@@ -148,7 +148,7 @@
if (!is_buffer_dma_capable(dma_mask, addr, size)) {
__free_pages(page, get_order(size));
- if (dma_mask < DMA_32BIT_MASK && !(flag & GFP_DMA)) {
+ if (dma_mask < DMA_BIT_MASK(32) && !(flag & GFP_DMA)) {
flag = (flag & ~GFP_DMA32) | GFP_DMA;
goto again;
}