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authorShunyong Yang <shunyong.yang@hxt-semitech.com>2018-07-18 09:40:35 +0800
committerBjorn Helgaas <bhelgaas@google.com>2018-07-31 18:04:55 -0500
commit546c596cf5491fda1516536e049c6a36836eb884 (patch)
tree3f0d685c526147e67a17ffda1e8543ce7355f819 /include/linux/pci-dma-compat.h
parentf7368a550275ee56da70fd4d603d5a3eb4b614e9 (diff)
PCI: Unify PCI and normal DMA direction definitions
Current DMA direction definitions in pci-dma-compat.h and dma-direction.h are mirrored in value. Unify them to enhance readability and avoid possible inconsistency. Signed-off-by: Shunyong Yang <shunyong.yang@hxt-semitech.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Cc: Joey Zheng <yu.zheng@hxt-semitech.com>
Diffstat (limited to 'include/linux/pci-dma-compat.h')
-rw-r--r--include/linux/pci-dma-compat.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/pci-dma-compat.h b/include/linux/pci-dma-compat.h
index 0dd1a3f7b309..c3f1b44ade29 100644
--- a/include/linux/pci-dma-compat.h
+++ b/include/linux/pci-dma-compat.h
@@ -8,10 +8,10 @@
#include <linux/dma-mapping.h>
/* This defines the direction arg to the DMA mapping routines. */
-#define PCI_DMA_BIDIRECTIONAL 0
-#define PCI_DMA_TODEVICE 1
-#define PCI_DMA_FROMDEVICE 2
-#define PCI_DMA_NONE 3
+#define PCI_DMA_BIDIRECTIONAL DMA_BIDIRECTIONAL
+#define PCI_DMA_TODEVICE DMA_TO_DEVICE
+#define PCI_DMA_FROMDEVICE DMA_FROM_DEVICE
+#define PCI_DMA_NONE DMA_NONE
static inline void *
pci_alloc_consistent(struct pci_dev *hwdev, size_t size,