Messages in this thread | | | Date | Tue, 25 Aug 2015 14:06:43 +0200 | Subject | Re: [PATCH] mmc: block: disable the reliable write If the card does not support CMD23 | From | Ulf Hansson <> |
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On 14 August 2015 at 09:30, <sdliyong@gmail.com> wrote: > From: Yong Li <sdliyong@gmail.com> > > Signed-off-by: Yong Li <sdliyong@gmail.com> > --- > drivers/mmc/card/block.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c > index 452782b..d9e3c45 100644 > --- a/drivers/mmc/card/block.c > +++ b/drivers/mmc/card/block.c > @@ -1366,7 +1366,8 @@ static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq, > bool do_rel_wr = ((req->cmd_flags & REQ_FUA) || > (req->cmd_flags & REQ_META)) && > (rq_data_dir(req) == WRITE) && > - (md->flags & MMC_BLK_REL_WR); > + (md->flags & MMC_BLK_REL_WR) && > + !(card->quirks & MMC_QUIRK_BLK_NO_CMD23);
Further down in mmc_blk_rw_rq_prep() we check for MMC_QUIRK_BLK_NO_CMD23. That check becomes redundant after this change, please remove that check as a part of this patch as well.
> > memset(brq, 0, sizeof(struct mmc_blk_request)); > brq->mrq.cmd = &brq->cmd; > -- > 2.1.0 >
Kind regards Uffe
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