Commit 78f35083 authored by Christian Lütke-Stetzkamp's avatar Christian Lütke-Stetzkamp Committed by Greg Kroah-Hartman
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staging: mt7621-mmc: Replace dma dir with mmc_get_dma_dir 



Currently the dma direction is manually determined by the read status,
there is a more portable function for it, mmc_get_dma_dir, use it.

Signed-off-by: default avatarChristian Lütke-Stetzkamp <christian@lkamp.de>
Reviewed-by: default avatarNeilBrown <neil@brown.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c302214c

drivers/staging/mt7621-mmc/sd.c

+5 −4
Original line number Diff line number Diff line
@@ -1360,7 +1360,7 @@ static int msdc_do_request(struct mmc_host *mmc, struct mmc_request *mrq) 
	u32 base = host->base;

	//u32 intsts = 0;

	unsigned int left = 0;

	int dma = 0, read = 1, dir = DMA_FROM_DEVICE, send_type = 0;

	int dma = 0, read = 1, send_type = 0;



#define SND_DAT 0

#define SND_CMD 1
@@ -1422,9 +1422,9 @@ static int msdc_do_request(struct mmc_host *mmc, struct mmc_request *mrq) 
			if (msdc_command_start(host, cmd, 1, CMD_TIMEOUT) != 0)

				goto done;



			dir = read ? DMA_FROM_DEVICE : DMA_TO_DEVICE;

			data->sg_count = dma_map_sg(mmc_dev(mmc), data->sg,

						    data->sg_len, dir);

						    data->sg_len,

						    mmc_get_dma_dir(data));

			msdc_dma_setup(host, &host->dma, data->sg,

				       data->sg_count);
@@ -1505,7 +1505,8 @@ done: 
		host->dma_xfer = 0;

		if (dma != 0) {

			msdc_dma_off();

			dma_unmap_sg(mmc_dev(mmc), data->sg, data->sg_len, dir);

			dma_unmap_sg(mmc_dev(mmc), data->sg, data->sg_len,

				     mmc_get_dma_dir(data));

		}

		host->blksz = 0;

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