Hi Aisheng, On Wed, May 27, 2015 at 7:46 PM, Suman Tripathi <stripa...@apm.com> wrote:
> > > 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 .. > > Can you test this patch on imx SoC ? > > -- > Thanks, > with regards, > Suman Tripathi > -- Thanks, with regards, Suman Tripathi
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