netdev - Re: [PATCH v3 8/9] vdap: solidrun: Replace deprecated PCI functions

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Message-ID: <ZsdP5ejfb2AH3nRW@smile.fi.intel.com>
Date: Thu, 22 Aug 2024 17:49:09 +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>,
	"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>,
	Jason Wang <jasowang@...hat.com>,
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
	Eugenio Pérez <eperezma@...hat.com>,
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	David Lechner <dlechner@...libre.com>,
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	Damien Le Moal <dlemoal@...nel.org>, Hannes Reinecke <hare@...e.de>,
	Chaitanya Kulkarni <kch@...dia.com>, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
	linux-fpga@...r.kernel.org, linux-gpio@...r.kernel.org,
	netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org, linux-pci@...r.kernel.org,
	virtualization@...ts.linux.dev
Subject: Re: [PATCH v3 8/9] vdap: solidrun: Replace deprecated PCI functions

On Thu, Aug 22, 2024 at 03:47:40PM +0200, Philipp Stanner wrote:
> solidrun utilizes pcim_iomap_regions(), which has been deprecated by the
> PCI subsystem in commit e354bb84a4c1 ("PCI: Deprecate
> pcim_iomap_table(), pcim_iomap_regions_request_all()"), among other
> things because it forces usage of quite a complicated bitmask mechanism.
> The bitmask handling code can entirely be removed by replacing
> pcim_iomap_regions() and pcim_iomap_table().
> 
> Replace pcim_iomap_regions() and pcim_iomap_table() with
> pcim_iomap_region().

...

>  	/* Request and map BAR */
> -	ret = pcim_iomap_regions(pdev, BIT(snet->psnet->cfg.vf_bar), name);
> -	if (ret) {
> +	snet->bar = pcim_iomap_region(pdev, snet->psnet->cfg.vf_bar, name);

PTR_ERR_OR_ZERO() ?

> +	if (IS_ERR(snet->bar)) {
>  		SNET_ERR(pdev, "Failed to request and map PCI BAR for a VF\n");
> -		return ret;
> +		return PTR_ERR(snet->bar);
>  	}

-- 
With Best Regards,
Andy Shevchenko