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

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Message-ID: <ZsdO2q8uD829hP-X@smile.fi.intel.com>
Date: Thu, 22 Aug 2024 17:44:42 +0300
From: Andy Shevchenko <andy@...nel.org>
To: Philipp Stanner <pstanner@...hat.com>
Cc: 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>,
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	virtualization@...ts.linux.dev
Subject: Re: [PATCH v3 5/9] ethernet: cavium: Replace deprecated PCI functions

On Thu, Aug 22, 2024 at 03:47:37PM +0200, Philipp Stanner wrote:
> pcim_iomap_regions() and pcim_iomap_table() have been deprecated by
> the PCI subsystem in commit e354bb84a4c1 ("PCI: Deprecate
> pcim_iomap_table(), pcim_iomap_regions_request_all()").
> 
> Replace these functions with the function pcim_iomap_region().

...

> -	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?

-- 
With Best Regards,
Andy Shevchenko