netdev - Re: [PATCH v3 5/9] ethernet: cavium: Replace deprecated PCI functions

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Message-ID: <f2d6345a8a684f62035108d74938ec0b2e162019.camel@redhat.com>
Date: Mon, 26 Aug 2024 17:52:00 +0200
From: Philipp Stanner <pstanner@...hat.com>
To: Andy Shevchenko <andy.shevchenko@...il.com>
Cc: Andy Shevchenko <andy@...nel.org>, Jonathan Corbet <corbet@....net>, 
 Jens Axboe <axboe@...nel.dk>, Wu Hao <hao.wu@...el.com>, Tom Rix
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Subject: Re: [PATCH v3 5/9] ethernet: cavium: Replace deprecated PCI
 functions

On Mon, 2024-08-26 at 18:41 +0300, Andy Shevchenko wrote:
> On Mon, Aug 26, 2024 at 5:51 PM Philipp Stanner <pstanner@...hat.com>
> wrote:
> > On Thu, 2024-08-22 at 17:44 +0300, Andy Shevchenko wrote:
> > > On Thu, Aug 22, 2024 at 03:47:37PM +0200, Philipp Stanner wrote:
> 
> ...
> 
> > > > -   err = pcim_iomap_regions(pdev, 1 << PCI_PTP_BAR_NO,
> > > > pci_name(pdev));
> > > > -   if (err)
> > > > +   clock->reg_base = pcim_iomap_region(pdev, PCI_PTP_BAR_NO,
> > > > pci_name(pdev));
> > > > +   if (IS_ERR(clock->reg_base)) {
> > > > +           err = PTR_ERR(clock->reg_base);
> > > >             goto error_free;
> > > > -
> > > > -   clock->reg_base = pcim_iomap_table(pdev)[PCI_PTP_BAR_NO];
> > > > +   }
> > > 
> > > Perhaps
> > > 
> > >       clock->reg_base = pcim_iomap_region(pdev, PCI_PTP_BAR_NO,
> > > pci_name(pdev));
> > >       err = PTR_ERR_OR_ZERO(clock->reg_base);
> > >       if (err)
> > >               goto error_free;
> > > 
> > > This will make your patch smaller and neater.
> > > 
> > > P.S. Do you use --histogram diff algo when preparing patches?
> > 
> > So far not.
> > Should one do that?
> 
> Id doesn't alter your code, it's in addition to what I suggested, but
> as Linus shared that there is no reason to avoid using --histogram
> not
> only in Linux kernel, but in general as it produces more
> human-readable diff:s.

If the Boss says so, one can surely do that \o/

Though if it has 0 disadvantages I'd propose proposing to the git-devs
to make it the default.

P.

>