| Message ID | 1466785499-7563-1-git-send-email-georgi.djakov@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri 24 Jun 09:24 PDT 2016, Georgi Djakov wrote: > The controller does not clear the "reset bit" when it is reset without > a card in the slot. Because of this, the following error message is seen > while booting with no plugged SD card. > > mmc1: Reset 0x1 never completed. > > Add the SDHCI_QUIRK_NO_CARD_NO_RESET quirk to avoid this. > > Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org> > Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org> Regards, Bjorn > --- > drivers/mmc/host/sdhci-msm.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c > index ac5700233e12..c613137ae91e 100644 > --- a/drivers/mmc/host/sdhci-msm.c > +++ b/drivers/mmc/host/sdhci-msm.c > @@ -477,6 +477,7 @@ static const struct sdhci_ops sdhci_msm_ops = { > > static const struct sdhci_pltfm_data sdhci_msm_pdata = { > .quirks = SDHCI_QUIRK_BROKEN_CARD_DETECTION | > + SDHCI_QUIRK_NO_CARD_NO_RESET | > SDHCI_QUIRK_SINGLE_POWER_WRITE, > .ops = &sdhci_msm_ops, > }; -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 18/07/16 20:46, Bjorn Andersson wrote: > On Fri 24 Jun 09:24 PDT 2016, Georgi Djakov wrote: > >> The controller does not clear the "reset bit" when it is reset without >> a card in the slot. Because of this, the following error message is seen >> while booting with no plugged SD card. >> >> mmc1: Reset 0x1 never completed. >> >> Add the SDHCI_QUIRK_NO_CARD_NO_RESET quirk to avoid this. >> >> Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org> >> Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> > > Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org> Be aware that SDHCI_QUIRK_NO_CARD_NO_RESET is not well implemented. It can result in ->get_cd() being called under spinlock which could be a problem if a card detect GPIO is used and might sleep. On the other hand, if you are not using a card detect GPIO then it shouldn't be a problem. Otherwise: Acked-by: Adrian Hunter <adrian.hunter@intel.com> > > Regards, > Bjorn > >> --- >> drivers/mmc/host/sdhci-msm.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c >> index ac5700233e12..c613137ae91e 100644 >> --- a/drivers/mmc/host/sdhci-msm.c >> +++ b/drivers/mmc/host/sdhci-msm.c >> @@ -477,6 +477,7 @@ static const struct sdhci_ops sdhci_msm_ops = { >> >> static const struct sdhci_pltfm_data sdhci_msm_pdata = { >> .quirks = SDHCI_QUIRK_BROKEN_CARD_DETECTION | >> + SDHCI_QUIRK_NO_CARD_NO_RESET | >> SDHCI_QUIRK_SINGLE_POWER_WRITE, >> .ops = &sdhci_msm_ops, >> }; > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 24 June 2016 at 18:24, Georgi Djakov <georgi.djakov@linaro.org> wrote: > The controller does not clear the "reset bit" when it is reset without > a card in the slot. Because of this, the following error message is seen > while booting with no plugged SD card. > > mmc1: Reset 0x1 never completed. > > Add the SDHCI_QUIRK_NO_CARD_NO_RESET quirk to avoid this. > > Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org> > Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> Thanks, applied for next! Kind regards Uffe > --- > drivers/mmc/host/sdhci-msm.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c > index ac5700233e12..c613137ae91e 100644 > --- a/drivers/mmc/host/sdhci-msm.c > +++ b/drivers/mmc/host/sdhci-msm.c > @@ -477,6 +477,7 @@ static const struct sdhci_ops sdhci_msm_ops = { > > static const struct sdhci_pltfm_data sdhci_msm_pdata = { > .quirks = SDHCI_QUIRK_BROKEN_CARD_DETECTION | > + SDHCI_QUIRK_NO_CARD_NO_RESET | > SDHCI_QUIRK_SINGLE_POWER_WRITE, > .ops = &sdhci_msm_ops, > }; -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index ac5700233e12..c613137ae91e 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -477,6 +477,7 @@ static const struct sdhci_ops sdhci_msm_ops = { static const struct sdhci_pltfm_data sdhci_msm_pdata = { .quirks = SDHCI_QUIRK_BROKEN_CARD_DETECTION | + SDHCI_QUIRK_NO_CARD_NO_RESET | SDHCI_QUIRK_SINGLE_POWER_WRITE, .ops = &sdhci_msm_ops, };