redonkable/alistair23-linux
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mmc: block: Fix tag condition with packed writes

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Apparently a cut-and-paste error, 'do_data_tag' is using 'brq' for data
size even though 'brq' has not been set up. Instead use blk_rq_sectors().

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Adrian Hunter 2016-06-10 16:22:16 +03:00 committed by Ulf Hansson
parent 5320226a05
commit d806b46e5f
1 changed files with 1 additions and 2 deletions
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3
drivers/mmc/card/block.c
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@ -1800,8 +1800,7 @@ static void mmc_blk_packed_hdr_wrq_prep(struct mmc_queue_req *mqrq,
do_data_tag = (card->ext_csd.data_tag_unit_size) &&
(prq->cmd_flags & REQ_META) &&
(rq_data_dir(prq) == WRITE) &&
((brq->data.blocks * brq->data.blksz) >=
card->ext_csd.data_tag_unit_size);
blk_rq_bytes(prq) >= card->ext_csd.data_tag_unit_size;
/* Argument of CMD23 */
packed_cmd_hdr[(i * 2)] = cpu_to_le32(
(do_rel_wr ? MMC_CMD23_ARG_REL_WR : 0) |