From a7b2b6cc0aa9294b570a3161a05c6ccf4c0b6e40 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <yamada.masahiro@socionext.com>
Date: Fri, 14 Feb 2020 16:40:25 +0900
Subject: [PATCH] mmc: add mmc_get_dma_dir() helper

Copied from Linux kernel.
include/linux/mmc/host.h

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
---
 include/mmc.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/mmc.h b/include/mmc.h
index b5cb514..71e2e17 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_ */
-- 
2.7.4