[PATCH v3 09/11] mmc: add mmc_get_dma_dir() helper

[Jaehoon Chung]

On 2/14/20 4:40 PM, Masahiro Yamada wrote:
> Copied from Linux kernel.
> include/linux/mmc/host.h
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>

Reviewed-by: Jaehoon Chung <jh80.chung at samsung.com>

Best Regards,
Jaehoon Chung

> ---
> 
> Changes in v3: None
> Changes in v2: None
> 
>  include/mmc.h | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> 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_ */
>