From: Yuan, Juntao Date: Fri, 13 May 2016 07:59:24 +0000 (+0000) Subject: mmc: block: correct 4KB alignment check X-Git-Tag: v4.8-rc1~81^2~132 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e87c85617d54ec2757fae56e3bde159610a0bff6;p=platform%2Fkernel%2Flinux-exynos.git mmc: block: correct 4KB alignment check In sectors alignment check, brq->data.blocks means sectors of the previous mqrq since data.blocks for mqrq_cur hasn't been updated yet. data.blocks will be updated later in mmc_blk_packed_hdr_wrq_prep or mmc_blk_rw_rq_prep. static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, ...... ...... struct mmc_blk_request *brq = &mq->mqrq_cur->brq; Signed-off-by: Yuan Juntao Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index c5472e3..636843a 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -1976,8 +1976,8 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc) * When 4KB native sector is enabled, only 8 blocks * multiple read or write is allowed */ - if ((brq->data.blocks & 0x07) && - (card->ext_csd.data_sector_size == 4096)) { + if (mmc_large_sector(card) && + !IS_ALIGNED(blk_rq_sectors(rqc), 8)) { pr_err("%s: Transfer size is not 4KB sector size aligned\n", req->rq_disk->disk_name); mq_rq = mq->mqrq_cur;