[PATCH 1/2] phy: stm32-usphyc: release resources to properly support EPROBE_DEFER

[Ahmad Fatoum]

Hello Sascha,

On 22.07.20 10:09, Ahmad Fatoum wrote:
> Driver failed to release resources on failed probe so far, leading to
> deferred probe failing with -EBUSY. Fix this.
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>

As we still have EPROBE_DEFER, it would be nice if this could
be merged.

Cheers,
Ahmad

> ---
>  drivers/phy/phy-stm32-usbphyc.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/phy/phy-stm32-usbphyc.c b/drivers/phy/phy-stm32-usbphyc.c
> index 093842fe1460..d9eaa8a7544a 100644
> --- a/drivers/phy/phy-stm32-usbphyc.c
> +++ b/drivers/phy/phy-stm32-usbphyc.c
> @@ -328,13 +328,13 @@ static int stm32_usbphyc_probe(struct device_d *dev)
>  	if (IS_ERR(usbphyc->clk)) {
>  		ret = PTR_ERR(usbphyc->clk);
>  		dev_err(dev, "clk get failed: %d\n", ret);
> -		return ret;
> +		goto release_region;
>  	}
>  
>  	ret = clk_enable(usbphyc->clk);
>  	if (ret) {
>  		dev_err(dev, "clk enable failed: %d\n", ret);
> -		return ret;
> +		goto release_region;
>  	}
>  
>  	device_reset_us(dev, 2);
> @@ -405,6 +405,11 @@ static int stm32_usbphyc_probe(struct device_d *dev)
>  
>  clk_disable:
>  	clk_disable(usbphyc->clk);
> +release_region:
> +	release_region(iores);
> +
> +	free(usbphyc->phys);
> +	free(usbphyc);
>  
>  	return ret;
>  }
> 

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