Hello,

On Fri, Mar 05, 2021 at 10:00:01AM +0100, Uwe Kleine-König wrote:
> Instead of just ignoring errors related to getting the vbus regulator
> yield at least a warning message. This would have saved me some
> debugging time when trying to understand why USB doesn't work without
> the right regulator driver enabled.
> 
> Note that machines that don't define a regulator in their device tree
> don't issue this warning as regulator_get() returns the dummy regulator
> in this case.
> 
> The alternative to error out wasn't accepted because this probably
> creates regressions for regulators that are default-on but without a
> driver in barebox.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> ---
> Hello,
> 
> (implicit) v1 was sent some time ago with Message-ID:
> <1485d35a-d55b-2440-4852-1737e78f8aa1@pengutronix.de>. Ahmad suggested
> to use %pe instead of strerror(-ret). This is also the only change
> compared to the first submission.

ping!

Best regards
Uwe

>  drivers/usb/imx/chipidea-imx.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/imx/chipidea-imx.c b/drivers/usb/imx/chipidea-imx.c
> index 7b87f302a921..aa27941c8c66 100644
> --- a/drivers/usb/imx/chipidea-imx.c
> +++ b/drivers/usb/imx/chipidea-imx.c
> @@ -256,8 +256,11 @@ static int imx_chipidea_probe(struct device_d *dev)
>  	}
>  
>  	ci->vbus = regulator_get(dev, "vbus");
> -	if (IS_ERR(ci->vbus))
> +	if (IS_ERR(ci->vbus)) {
> +		dev_warn(dev, "Cannot get vbus regulator: %pe (ignoring)\n",
> +			 ci->vbus);
>  		ci->vbus = NULL;
> +	}
>  
>  	/*
>  	 * Some devices have more than one clock, in this case they are enabled
> -- 
> 2.30.0
> 
> 
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Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |