diff options
| author | Ulf Hansson <ulf.hansson@linaro.org> | 2014-01-15 00:24:21 +0400 |
|---|---|---|
| committer | Chris Ball <chris@printf.net> | 2014-02-23 19:40:54 +0400 |
| commit | bcc3e1726d827c2d6f62f0e0e7bbc99eed7ad925 (patch) | |
| tree | ff7a18b517a530a4193229a0993b426b0e007bac /drivers/mmc/card | |
| parent | cb962e04b04fb67dbaf1455d3c60d64297ef4933 (diff) | |
| download | linux-bcc3e1726d827c2d6f62f0e0e7bbc99eed7ad925.tar.xz | |
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: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <chris@printf.net>
Diffstat (limited to 'drivers/mmc/card')
| -rw-r--r-- | drivers/mmc/card/block.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index c2187d5e9070..156cabfa61c3 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -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) |