dma-mapping: replace all DMA_24BIT_MASK macro with DMA_BIT_MASK(24)

Replace all DMA_24BIT_MASK macro with DMA_BIT_MASK(24)

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>

2 files changed, 3 insertions, 3 deletions

diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 10a6be94eb77..f82fdc412c64 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -238,7 +238,7 @@ static inline unsigned long dma_alloc_coherent_mask(struct device *dev,
 
         dma_mask = dev->coherent_dma_mask;
         if (!dma_mask)
-                dma_mask = (gfp & GFP_DMA) ? DMA_24BIT_MASK : DMA_BIT_MASK(32);
+                dma_mask = (gfp & GFP_DMA) ? DMA_BIT_MASK(24) : DMA_BIT_MASK(32);
 
         return dma_mask;
 }
@@ -247,7 +247,7 @@ static inline gfp_t dma_alloc_coherent_gfp_flags(struct device *dev, gfp_t gfp)
 {
         unsigned long dma_mask = dma_alloc_coherent_mask(dev, gfp);
 
-        if (dma_mask <= DMA_24BIT_MASK)
+        if (dma_mask <= DMA_BIT_MASK(24))
                 gfp |= GFP_DMA;
 #ifdef CONFIG_X86_64
         if (dma_mask <= DMA_BIT_MASK(32) && !(gfp & GFP_DMA))
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 136a01d52db0..745579bc8256 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -243,7 +243,7 @@ int dma_supported(struct device *dev, u64 mask)
         /* Copied from i386. Doesn't make much sense, because it will
            only work for pci_alloc_coherent.
            The caller just has to use GFP_DMA in this case. */
-        if (mask < DMA_24BIT_MASK)
+        if (mask < DMA_BIT_MASK(24))
                 return 0;
 
         /* Tell the device to use SAC when IOMMU force is on.  This