Re: [PATCH 7/7] gpio: exar: use devm action for freeing the IDA and drop remove()

[Bartosz Golaszewski]

On Mon, Oct 26, 2020 at 4:02 PM Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
>
> On Mon, Oct 26, 2020 at 4:22 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
> >
> > From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> >
> > We can simplify the error path in probe() and drop remove() entirely if
> > we provide a devm action for freeing the device ID.
>
> Always the same question to IDR/IDA users:
> does it guarantee that when the driver is gone the IDR/IDA resources are freed?
>
> (It's not directly related to this patch, though)
>

Yes because there's exactly one ida_free(id) per id = ida_alloc() here.

Bartosz