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Commit bcc3e172 authored by Ulf Hansson's avatar Ulf Hansson Committed by Chris Ball
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mmc: block: Use R1 responses for stop cmds for read requests 



While using open ended transmission and thus ending the transfer by
sending a stop command, we shall use R1B only for writes and R1 shall
be used for reads. Previously R1B were used in both cases.

Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: default avatarChris Ball <chris@printf.net>
parent cb962e04

drivers/mmc/card/block.c

+6 −1
Original line number Diff line number Diff line
@@ -1334,7 +1334,6 @@ static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq, 
	brq->data.blksz = 512;

	brq->stop.opcode = MMC_STOP_TRANSMISSION;

	brq->stop.arg = 0;

	brq->stop.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC;

	brq->data.blocks = blk_rq_sectors(req);



	/*
@@ -1377,9 +1376,15 @@ static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq, 
	if (rq_data_dir(req) == READ) {

		brq->cmd.opcode = readcmd;

		brq->data.flags |= MMC_DATA_READ;

		if (brq->mrq.stop)

			brq->stop.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 |

					MMC_CMD_AC;

	} else {

		brq->cmd.opcode = writecmd;

		brq->data.flags |= MMC_DATA_WRITE;

		if (brq->mrq.stop)

			brq->stop.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B |

					MMC_CMD_AC;

	}



	if (do_rel_wr)