dma-mapping: replace all DMA_40BIT_MASK macro with DMA_BIT_MASK(40)

Replace all DMA_40BIT_MASK macro with DMA_BIT_MASK(40)

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>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 90f5b9ef5de..0cf2d900422 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -258,7 +258,7 @@ int dma_supported(struct device *dev, u64 mask)
            SAC for these.  Assume all masks <= 40 bits are of this
            type. Normally this doesn't make any difference, but gives
            more gentle handling of IOMMU overflow. */
-        if (iommu_sac_force && (mask >= DMA_40BIT_MASK)) {
+        if (iommu_sac_force && (mask >= DMA_BIT_MASK(40))) {
                 dev_info(dev, "Force SAC with mask %Lx\n", mask);
                 return 0;
         }