diff mbox series

[v2,09/11] mmc: add mmc_get_dma_dir() helper

Message ID 20200214054144.18315-10-yamada.masahiro@socionext.com
State Superseded
Headers show
Series mmc: sdhci: code clean-up and fix cache coherency problem | expand

Commit Message

Masahiro Yamada Feb. 14, 2020, 5:41 a.m. UTC 
Copied from Linux kernel.
include/linux/mmc/host.h

Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
---

Changes in v2: None

 include/mmc.h | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/include/mmc.h b/include/mmc.h
index b5cb514f57d6..71e2e1735ad5 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -12,6 +12,7 @@ 
 #include <linux/list.h>
 #include <linux/sizes.h>
 #include <linux/compiler.h>
+#include <linux/dma-direction.h>
 #include <part.h>
 
 #if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT)
@@ -880,4 +881,9 @@  int mmc_get_env_dev(void);
  */
 struct blk_desc *mmc_get_blk_desc(struct mmc *mmc);
 
+static inline enum dma_data_direction mmc_get_dma_dir(struct mmc_data *data)
+{
+	return data->flags & MMC_DATA_WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
+}
+
 #endif /* _MMC_H_ */