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

[Sam Protsenko]

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
>