diff options
| author | Heiner Kallweit <hkallweit1@gmail.com> | 2017-03-26 21:41:32 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-04-24 22:41:52 +0300 |
| commit | 6335d68349a85382cc55a5260d5bfda85f8e24a8 (patch) | |
| tree | 5ac3f7c624e1b3ae0d78733989b210d56c58f30c /include/linux/mmc | |
| parent | e5e4a3eb131f79af49f48a741807318c32f29427 (diff) | |
| download | linux-6335d68349a85382cc55a5260d5bfda85f8e24a8.tar.xz | |
mmc: core: add mmc_get_dma_dir
Add function for determining DMA direction to core.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/host.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 83f1c4a9f03b..21385ac0c9b1 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -17,6 +17,7 @@ #include <linux/mmc/core.h> #include <linux/mmc/card.h> #include <linux/mmc/pm.h> +#include <linux/dma-direction.h> struct mmc_ios { unsigned int clock; /* clock rate */ @@ -499,6 +500,11 @@ static inline bool mmc_can_retune(struct mmc_host *host) return host->can_retune == 1; } +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; +} + int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error); int mmc_abort_tuning(struct mmc_host *host, u32 opcode); |