Commit 5add2aca authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Ulf Hansson
Browse files

mmc: tmio: add .enable_dma on tmio_mmc_dma 



Some controllers need DMA special register/setting.
This patch adds new .enable_dma callback for it.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 8b4c8f32

drivers/mmc/host/tmio_mmc.h

+2 −0
Original line number Diff line number Diff line
@@ -39,6 +39,7 @@ 
#define TMIO_MASK_IRQ     (TMIO_MASK_READOP | TMIO_MASK_WRITEOP | TMIO_MASK_CMD)



struct tmio_mmc_data;

struct tmio_mmc_host;



struct tmio_mmc_dma {

	void *chan_priv_tx;
@@ -46,6 +47,7 @@ struct tmio_mmc_dma { 
	int slave_id_tx;

	int slave_id_rx;

	bool (*filter)(struct dma_chan *chan, void *arg);

	void (*enable)(struct tmio_mmc_host *host, bool enable);

};



struct tmio_mmc_host {

drivers/mmc/host/tmio_mmc_dma.c

+3 −0
Original line number Diff line number Diff line
@@ -30,6 +30,9 @@ void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable) 


	if (host->pdata->flags & TMIO_MMC_HAVE_CTL_DMA_REG)

		sd_ctrl_write16(host, CTL_DMA_ENABLE, enable ? 2 : 0);



	if (host->dma->enable)

		host->dma->enable(host, enable);

}



void tmio_mmc_abort_dma(struct tmio_mmc_host *host)