Messages in this thread | | | Date | Tue, 15 Sep 2020 16:00:47 +0900 | From | AKASHI Takahiro <> | Subject | Re: [RFC PATCH V3 14/21] mmc: sdhci: UHS-II support, handle vdd2 in case of power-off |
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On Fri, Aug 21, 2020 at 05:09:55PM +0300, Adrian Hunter wrote: > On 10/07/20 2:11 pm, Ben Chuang wrote: > > From: AKASHI Takahiro <takahiro.akashi@linaro.org> > > > > Configure a regulator for VDD2 in case of power-off. > > > > Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw> > > Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> > > --- > > drivers/mmc/host/sdhci.c | 5 +++++ > > 1 file changed, 5 insertions(+) > > > > diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c > > index 7f2537648a08..d38d734ec83f 100644 > > --- a/drivers/mmc/host/sdhci.c > > +++ b/drivers/mmc/host/sdhci.c > > @@ -2333,6 +2333,11 @@ void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) > > if (!IS_ERR(mmc->supply.vmmc) && > > ios->power_mode == MMC_POWER_OFF) > > mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0); > > + if (IS_ENABLED(CONFIG_MMC_SDHCI_UHS2) && > > + host->mmc->caps & MMC_CAP_UHS2 && > > + !IS_ERR(mmc->supply.vmmc2) && > > + ios->power_mode == MMC_POWER_OFF) > > Probably this can be just: > > if (!IS_ERR_OR_NULL(mmc->supply.vmmc2) && > ios->power_mode == MMC_POWER_OFF)
Yeah, probably.
-Takahiro Akashi
> > > + mmc_regulator_set_ocr(mmc, mmc->supply.vmmc2, 0); > > return; > > } > > > > >
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