Re: [PATCH v2 6/9] ethernet: stmicro: Simplify PCI devres usage

From: Andy Shevchenko
Date: Wed Aug 21 2024 - 08:01:41 EST


On Wed, Aug 21, 2024 at 11:36:36AM +0200, Philipp Stanner wrote:
> On Wed, 2024-08-21 at 11:14 +0300, Andy Shevchenko wrote:
> > On Wed, Aug 21, 2024 at 10:19 AM Philipp Stanner
> > <pstanner@xxxxxxxxxx> wrote:

...

> > > -       for (i = 0; i < PCI_STD_NUM_BARS; i++) {
> > > -               if (pci_resource_len(pdev, i) == 0)
> > > -                       continue;
> > > -               pcim_iounmap_regions(pdev, BIT(i));
> >
> > Here is the BARx, which contradicts the probe :-)
>
> I'm not sure what should be done about it. The only interesting
> question is whether the other code with pcim_iomap_regions(... BIT(i)
> does also only grap BAR 0.
> In that case the driver wouldn't even be knowing what its own hardware
> is / does, though.

I think your patch does the right thing already.

> > > -               break;
> > > -       }

--
With Best Regards,
Andy Shevchenko