Re: [PATCH] USB: ehci-s5p: Fix phy reset

From: Doug Anderson
Date: Wed Mar 13 2013 - 13:59:44 EST


Alexander,

On Wed, Mar 13, 2013 at 10:45 AM, Alexander Graf <agraf@xxxxxxx> wrote:
>
>>> + gpio_free(gpio);
>>
>> Freeing the gpio is a little on the iffy side since you actually care
>> about keeping the value. Perhaps you can change this to
>> devm_gpio_request_one() and avoid the free? I was about to submit a
>> patch to do just that (since otherwise you run into trouble if you
>> ever defer the probe) but then ran across your patch.
>
> I could also just return it when the function exits and only free it when we exit the probe function with a negative value. The reason I put it in here was that on probe deferral, the pin simply gets blocked.
>
> However, I could probably also just completely take the gpio_free() out of this patch and resubmit, as it should be pretty much unrelated. Then you can patch it properly.

Sure, if you want to resubmit without the gpio_free() I'll submit a
new patch atop yours with the change to devm and people can see if
they like it...
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