Re: [PATCH] pinctrl: zynq: change error code for pinctrl_register failure

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Hi Sören,

2015-05-27 3:37 GMT+09:00 Sören Brinkmann <soren.brinkmann@xxxxxxxxxx>:
> On Tue, 2015-05-26 at 10:12AM +0200, Arnd Bergmann wrote:
>> On Tuesday 26 May 2015 13:18:29 Masahiro Yamada wrote:
>> > diff --git a/drivers/pinctrl/pinctrl-zynq.c b/drivers/pinctrl/pinctrl-zynq.c
>> > index 04748a4..0ff653c 100644
>> > --- a/drivers/pinctrl/pinctrl-zynq.c
>> > +++ b/drivers/pinctrl/pinctrl-zynq.c
>> > @@ -1141,7 +1141,7 @@ static int zynq_pinctrl_probe(struct platform_device *pdev)
>> >
>> >         pctrl->pctrl = pinctrl_register(&zynq_desc, &pdev->dev, pctrl);
>> >         if (!pctrl->pctrl)
>> > -               return -ENOMEM;
>> > +               return -EINVAL;
>> >
>> >         platform_set_drvdata(pdev, pctrl);
>> >
>> >
>>
>> One choice seems as bad as the other to me ;-)
>>
>> Could we add a pinctrl_register_reason() variant that returns a meaningful
>> error code as ERR_PTR?
>
> I agree with Arnd. As long as we don't get a precise error code we can
> just keep the current one.

OK. Let's not do this way.


I will try pinctrl_register_reason().



-- 
Best Regards
Masahiro Yamada
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