[U-Boot] [PATCH 1/1] dwc3-generic: Don't fail probe if clk/reset entries are absent

[Sam Protsenko]

+ Praneeth

On Fri, Oct 25, 2019 at 1:08 PM Sam Protsenko
<semen.protsenko at linaro.org> wrote:
>
> Hi Vignesh,
>
> On Fri, Oct 25, 2019 at 11:17 AM Vignesh Raghavendra <vigneshr at ti.com> wrote:
> >
> > Some boards don't populate clk/reset entries as these are are optional
> > as per binding documentation. Therefore, don't fail driver probe if
> > clk/reset entries are absent in DT.
> >
> > This fixes fastboot failures seen due to enabling of CONFIG_CLK on AM57xx
> >
> > Fixes: e8e683d33b0c ("board: ti: am57xx-idk: Configure the CDCE913 clock synthesizer")
> > Reported-by: Sam Protsenko <semen.protsenko at linaro.org>
> > Signed-off-by: Vignesh Raghavendra <vigneshr at ti.com>
> > ---
>
> Tested-by: Sam Protsenko <semen.protsenko at linaro.org>
> Reviewed-by: Sam Protsenko <semen.protsenko at linaro.org>
>
> >  drivers/usb/dwc3/dwc3-generic.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c
> > index 406bf0b3628b..d76cd7a4c5ca 100644
> > --- a/drivers/usb/dwc3/dwc3-generic.c
> > +++ b/drivers/usb/dwc3/dwc3-generic.c
> > @@ -258,7 +258,7 @@ static int dwc3_glue_reset_init(struct udevice *dev,
> >         int ret;
> >
> >         ret = reset_get_bulk(dev, &glue->resets);
> > -       if (ret == -ENOTSUPP)
> > +       if (ret == -ENOTSUPP || ret == -ENOENT)
> >                 return 0;
> >         else if (ret)
> >                 return ret;
> > @@ -278,7 +278,7 @@ static int dwc3_glue_clk_init(struct udevice *dev,
> >         int ret;
> >
> >         ret = clk_get_bulk(dev, &glue->clks);
> > -       if (ret == -ENOSYS)
> > +       if (ret == -ENOSYS || ret == -ENOENT)
> >                 return 0;
> >         if (ret)
> >                 return ret;
> > --
> > 2.23.0
> >