On 12 December 2014 at 20:28, Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx> wrote: Some more explanation to why this needed would be good. > Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/mmc/mmc.txt | 2 ++ This file lists the generic mmc DT bindings, but you want to add a specific binding for sdhci? > drivers/mmc/host/sdhci-pltfm.c | 3 +++ > 2 files changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt > index b52628b..04f80ef 100644 > --- a/Documentation/devicetree/bindings/mmc/mmc.txt > +++ b/Documentation/devicetree/bindings/mmc/mmc.txt > @@ -22,6 +22,8 @@ Optional properties: > - wp-inverted: when present, polarity on the WP line is inverted. See the note > below for the case, when a GPIO is used for the WP line > - max-frequency: maximum operating clock frequency > +- broken-hs200: when present, denotes that eMMC HS200 modes are not supported on > + this system, even if the controller claims it is. > - no-1-8-v: when present, denotes that 1.8v card voltage is not supported on > this system, even if the controller claims it is. > - cap-sd-highspeed: SD high-speed timing is supported > diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c > index c5b01d6..570837f 100644 > --- a/drivers/mmc/host/sdhci-pltfm.c > +++ b/drivers/mmc/host/sdhci-pltfm.c > @@ -90,6 +90,9 @@ void sdhci_get_of_property(struct platform_device *pdev) > if (of_get_property(np, "broken-cd", NULL)) > host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION; > > + if (of_get_property(np, "broken-hs200", NULL)) > + host->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200; > + > if (of_get_property(np, "no-1-8-v", NULL)) > host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; > > -- > 1.8.2.2 > Kind regards Uffe -- 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
