Messages in this thread Patch in this message | | | From | Ludovic Barre <> | Subject | [PATCH V2 1/2] mmc: mmci: send stop command if sbc error issue | Date | Wed, 7 Nov 2018 10:30:40 +0100 |
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From: Ludovic Barre <ludovic.barre@st.com>
Refer to "4.15 set block count command" of sd specification: Host needs to issue CMD12 if any error is detected in the CMD18 and CMD25 operations.
In sbc case, the data->stop is fill by framework.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com> --- drivers/mmc/host/mmci.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 82bab35..13fa640 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -1190,11 +1190,10 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data, /* The error clause is handled above, success! */ data->bytes_xfered = data->blksz * data->blocks; - if (!data->stop || host->mrq->sbc) { + if (!data->stop || (host->mrq->sbc && !data->error)) mmci_request_end(host, data->mrq); - } else { + else mmci_start_command(host, data->stop, 0); - } } } -- 2.7.4
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