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authorMasahiro Yamada <yamada.masahiro@socionext.com>2017-08-26 00:50:17 +0900
committerTom Rini <trini@konsulko.com>2017-09-12 18:02:23 -0400
commitb27af39935855c88ef2203dcfc1ff54e013237c4 (patch)
tree741e0eb177bf5dab0e50cc99b4c6a5983ef07fbb /include/linux
parent29487ef4d5d720012658cb7a093af742f8ae2af5 (diff)
dma: import linux/dma-direction.h to consolidate enum dma_data_direction
Import include/linux/dma-direction.h from Linux 4.13-rc7 and delete duplicated definitions of enum dma_data_direction. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/dma-direction.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/dma-direction.h b/include/linux/dma-direction.h
new file mode 100644
index 0000000000..95b6a82f59
--- /dev/null
+++ b/include/linux/dma-direction.h
@@ -0,0 +1,13 @@
+#ifndef _LINUX_DMA_DIRECTION_H
+#define _LINUX_DMA_DIRECTION_H
+/*
+ * These definitions mirror those in pci.h, so they can be used
+ * interchangeably with their PCI_ counterparts.
+ */
+enum dma_data_direction {
+ DMA_BIDIRECTIONAL = 0,
+ DMA_TO_DEVICE = 1,
+ DMA_FROM_DEVICE = 2,
+ DMA_NONE = 3,
+};
+#endif