On Wed, 16 Jun 2010 08:49:55 +0200 Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> wrote: > S3C SDHCI host controller can change the source for generating mmc clock. > By default host bus clock is used, what causes some problems on machines > with 133MHz bus, because the SDHCI divider cannot be as high get proper > clock value for identification mode. This is not a problem for the > controller, because it can generate lower frequencies from other clock > sources. This patch adds a new quirk to SDHCI driver to calculate the > minimal supported clock frequency. > > This fixes the flood of the following warnings on Samsung S5PV210 SoCs: > mmc0: Minimum clock frequency too high for identification mode > > Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> > Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> > --- > drivers/mmc/host/sdhci-of-esdhc.c | 1 + > drivers/mmc/host/sdhci-s3c.c | 29 +++++++++++++++++++++++++++++ > drivers/mmc/host/sdhci.c | 2 +- > drivers/mmc/host/sdhci.h | 2 ++ > 4 files changed, 33 insertions(+), 1 deletions(-) This patch doesn't know about Anton's sdhci-pltfm-add-support-for-cns3xxx-soc-devices.patch. Please check my fixup: --- a/drivers/mmc/host/sdhci-cns3xxx.c~sdhci-s3c-add-support-for-the-non-standard-minimal-clock-value-fix +++ a/drivers/mmc/host/sdhci-cns3xxx.c @@ -93,5 +93,6 @@ struct sdhci_pltfm_data sdhci_cns3xxx_pd SDHCI_QUIRK_INVERTED_WRITE_PROTECT | SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN | SDHCI_QUIRK_BROKEN_TIMEOUT_VAL | + SDHCI_QUIRK_NONSTANDARD_MINCLOCK | SDHCI_QUIRK_NONSTANDARD_CLOCK, }; -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
