On Tue, May 26, 2015 at 6:06 PM, Ulf Hansson <ulf.hans...@linaro.org> wrote:
> On 21 May 2015 at 10:43, Suman Tripathi <stripa...@apm.com> wrote: > > The sdhci framework disables SDR104/SDR50/DDR50 based on only quirk. > > This patch adds the support to disable SDR104/SDR50/DDR50 based on > > reading the capability register 0. > > > > Signed-off-by: Suman Tripathi <stripa...@apm.com> > > --- > > --- > > drivers/mmc/host/sdhci.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c > > index 58c1770..a3d9b8a 100644 > > --- a/drivers/mmc/host/sdhci.c > > +++ b/drivers/mmc/host/sdhci.c > > @@ -3118,7 +3118,8 @@ int sdhci_add_host(struct sdhci_host *host) > > } > > } > > > > - if (host->quirks2 & SDHCI_QUIRK2_NO_1_8_V) > > + if (host->quirks2 & SDHCI_QUIRK2_NO_1_8_V || > > + !(caps[0] & SDHCI_CAN_VDD_180)) > > caps[1] &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 | > > SDHCI_SUPPORT_DDR50); > > > > -- > > 1.8.2.1 > > > > I have no problem with this patch, except that it would be nice to get > a few "tested by" to make sure it doesn't break UHS support for some > SoCs. > > Kind regards > Uffe > Can anyone test this in some other SoC ? Appreciate your help .. -- Thanks, with regards, Suman Tripathi
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