[U-Boot] [PATCH 4/4] dw_mmc: turn on the IO supply

[Heiko Stuebner <heiko@sntech.de>]

Am Sonntag, 31. März 2019, 21:45:15 CEST schrieb Urja Rannikko:
> Hi,
> 
> On Fri, Mar 29, 2019 at 2:09 PM Heiko Stübner <heiko@sntech.de> wrote:
> > > +#ifdef CONFIG_DM_REGULATOR
> >
> > this should be
> >         #if CONFIG_IS_ENABLED(DM_REGULATOR)
> 
> Ok, just FYI that fragment was based on the one in tmio-common.c,
> so maybe that should also be fixed(?).

yep, looks like it. While it doesn't cause compile errors right now,
it might after all create runtime errors otherwise.


Heiko


> >
> > because otherwise an SPL-build using the mmc driver may fail with
> >
> > drivers/mmc/dw_mmc.c: In function ‘dwmci_set_ios’:
> > drivers/mmc/dw_mmc.c:475:9: error: ‘struct mmc’ has no member named ‘vqmmc_supply’
> >   if (mmc->vqmmc_supply) {
> >          ^~
> > drivers/mmc/dw_mmc.c:477:27: error: ‘struct mmc’ has no member named ‘vqmmc_supply’
> >     regulator_set_value(mmc->vqmmc_supply, 1800000);
> >                            ^~
> > drivers/mmc/dw_mmc.c:479:27: error: ‘struct mmc’ has no member named ‘vqmmc_supply’
> >     regulator_set_value(mmc->vqmmc_supply, 3300000);
> >                            ^~
> > drivers/mmc/dw_mmc.c:481:44: error: ‘struct mmc’ has no member named ‘vqmmc_supply’
> >    ret = regulator_set_enable_if_allowed(mmc->vqmmc_supply, true);
> >
> >
> > > +     if (mmc->vqmmc_supply) {
> > > +             if (mmc->signal_voltage == MMC_SIGNAL_VOLTAGE_180)
> > > +                     regulator_set_value(mmc->vqmmc_supply, 1800000);
> > > +             else
> > > +                     regulator_set_value(mmc->vqmmc_supply, 3300000);
> > > +
> > > +             ret = regulator_set_enable_if_allowed(mmc->vqmmc_supply, true);
> > > +             if (ret)
> > > +                     return ret;
> > > +     }
> > > +#endif
> > > +
> > >       return 0;
> > >  }
> > >
> 
>