netdev - Re: [PATCH v4 3/7] block: mtip32xx: Replace deprecated PCI functions

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Message-ID: <bc192dc5-5db3-4cbb-90a7-91b13ea7d0c7@kernel.dk>
Date: Wed, 28 Aug 2024 08:49:54 -0600
From: Jens Axboe <axboe@...nel.dk>
To: Philipp Stanner <pstanner@...hat.com>, Wu Hao <hao.wu@...el.com>,
 Tom Rix <trix@...hat.com>, Moritz Fischer <mdf@...nel.org>,
 Xu Yilun <yilun.xu@...el.com>, Andy Shevchenko <andy@...nel.org>,
 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>, 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>, Richard Cochran <richardcochran@...il.com>,
 Damien Le Moal <dlemoal@...nel.org>, Hannes Reinecke <hare@...e.de>,
 Keith Busch <kbusch@...nel.org>
Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-fpga@...r.kernel.org, linux-gpio@...r.kernel.org,
 netdev@...r.kernel.org, linux-pci@...r.kernel.org,
 virtualization@...ts.linux.dev
Subject: Re: [PATCH v4 3/7] block: mtip32xx: Replace deprecated PCI functions

On 8/28/24 1:10 AM, Philipp Stanner wrote:
> On Tue, 2024-08-27 at 13:05 -0600, Jens Axboe wrote:
>> On 8/27/24 12:56 PM, 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()").
>>>
>>> In mtip32xx, these functions can easily be replaced by their
>>> respective
>>> successors, pcim_request_region() and pcim_iomap(). Moreover, the
>>> driver's calls to pcim_iounmap_regions() in probe()'s error path
>>> and in
>>> remove() are not necessary. Cleanup can be performed by PCI devres
>>> automatically.
>>>
>>> Replace pcim_iomap_regions() and pcim_iomap_table().
>>>
>>> Remove the calls to pcim_iounmap_regions().
>>
>> Looks fine to me - since it depends on other trees, feel free to take
>> it
>> through those:
>>
>> Reviewed-by: Jens Axboe <axboe@...nel.dk>
> 
> Thank you for the review.
> 
> I have to provide a v5 because of an issue in another patch. While I'm
> at it, I'd modify this patch here so that the comment above
> pcim_request_region() is descriptive of the actual events:
> 
> -	/* Map BAR5 to memory. */
> +	/* Request BAR5. */
> 
> 
> I'd keep your Reviewed-by if that's OK. It's the only change I'd do.

That's fine.

-- 
Jens Axboe