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

[Tero Kristo]

On 25/10/2019 11:18, Vignesh Raghavendra 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>

Thanks for the patch.

Tested-by: Tero Kristo <t-kristo at ti.com>

> ---
>   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;
> 

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