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

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Message-ID: <CAHp75VfKS_PWer2hEH8x0qgBUEPx05p8BA=c0UirAWjg0SaLeA@mail.gmail.com>
Date: Mon, 26 Aug 2024 18:41:36 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Philipp Stanner <pstanner@...hat.com>
Cc: Andy Shevchenko <andy@...nel.org>, Jonathan Corbet <corbet@....net>, Jens Axboe <axboe@...nel.dk>, 
	Wu Hao <hao.wu@...el.com>, Tom Rix <trix@...hat.com>, Moritz Fischer <mdf@...nel.org>, 
	Xu Yilun <yilun.xu@...el.com>, Linus Walleij <linus.walleij@...aro.org>, 
	Bartosz Golaszewski <brgl@...ev.pl>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	Alexandre Torgue <alexandre.torgue@...s.st.com>, Jose Abreu <joabreu@...opsys.com>, 
	Maxime Coquelin <mcoquelin.stm32@...il.com>, Bjorn Helgaas <bhelgaas@...gle.com>, 
	Alvaro Karsz <alvaro.karsz@...id-run.com>, "Michael S. Tsirkin" <mst@...hat.com>, 
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	Richard Cochran <richardcochran@...il.com>, Mark Brown <broonie@...nel.org>, 
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	Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, 
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	linux-arm-kernel@...ts.infradead.org, linux-pci@...r.kernel.org, 
	virtualization@...ts.linux.dev
Subject: Re: [PATCH v3 5/9] ethernet: cavium: Replace deprecated PCI functions

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.

-- 
With Best Regards,
Andy Shevchenko