Commit 6335d683 authored by Heiner Kallweit's avatar Heiner Kallweit Committed by Ulf Hansson
Browse files

mmc: core: add mmc_get_dma_dir 



Add function for determining DMA direction to core.

Signed-off-by: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: default avatarShawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent e5e4a3eb

include/linux/mmc/host.h

+6 −0
Original line number Diff line number Diff line
@@ -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);