On Thu, 25 May 2023 at 11:56, Christian Loehle <CLoehle@xxxxxxxxxxxxxx> wrote: > > SPI doesn't have the usual PROG path we can check for error bits > after moving back to TRAN. Instead it holds the line LOW until > completion. We can then check if the card shows any errors or > is in IDLE state, indicating the line is no longer LOW because > the card was reset. > > Signed-off-by: Christian Loehle <cloehle@xxxxxxxxxxxxxx> Applied for next and by adding stable tag, thanks! Kind regards Uffe > --- > drivers/mmc/core/block.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c > index d920c4178389..e46330815484 100644 > --- a/drivers/mmc/core/block.c > +++ b/drivers/mmc/core/block.c > @@ -178,6 +178,7 @@ static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq, > int recovery_mode, > struct mmc_queue *mq); > static void mmc_blk_hsq_req_done(struct mmc_request *mrq); > +static int mmc_spi_err_check(struct mmc_card *card); > > static struct mmc_blk_data *mmc_blk_get(struct gendisk *disk) > { > @@ -608,6 +609,11 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md, > if ((card->host->caps & MMC_CAP_WAIT_WHILE_BUSY) && use_r1b_resp) > return 0; > > + if (mmc_host_is_spi(card->host)) { > + if (idata->ic.write_flag || r1b_resp || cmd.flags & MMC_RSP_SPI_BUSY) > + return mmc_spi_err_check(card); > + return err; > + } > /* Ensure RPMB/R1B command has completed by polling with CMD13. */ > if (idata->rpmb || r1b_resp) > err = mmc_poll_for_busy(card, busy_timeout_ms, false, > -- > 2.37.3 > > > Hyperstone GmbH | Reichenaustr. 39a | 78467 Konstanz > Managing Director: Dr. Jan Peter Berns. > Commercial register of local courts: Freiburg HRB381782 >