linux-kernel - Re: [PATCH v2 02/15] pinctrl: pinctrl-single: move suspend()/resume() callbacks to noirq

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Message-ID: <8228b76f-ce15-4335-8a09-08d0d57974b1@bootlin.com>
Date: Thu, 8 Feb 2024 16:52:24 +0100
From: Thomas Richard <thomas.richard@...tlin.com>
To: Andi Shyti <andi.shyti@...nel.org>,
 Linus Walleij <linus.walleij@...aro.org>
Cc: Bartosz Golaszewski <brgl@...ev.pl>, Andy Shevchenko <andy@...nel.org>,
 Tony Lindgren <tony@...mide.com>, Haojian Zhuang
 <haojian.zhuang@...aro.org>, Vignesh R <vigneshr@...com>,
 Aaro Koskinen <aaro.koskinen@....fi>,
 Janusz Krzysztofik <jmkrzyszt@...il.com>, Peter Rosin <peda@...ntia.se>,
 Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>,
 Philipp Zabel <p.zabel@...gutronix.de>, Tom Joseph <tjoseph@...ence.com>,
 Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Krzysztof Wilczyński <kw@...ux.com>,
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
 linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
 linux-i2c@...r.kernel.org, linux-phy@...ts.infradead.org,
 linux-pci@...r.kernel.org, gregory.clement@...tlin.com,
 theo.lebrun@...tlin.com, thomas.petazzoni@...tlin.com, u-kumar1@...com
Subject: Re: [PATCH v2 02/15] pinctrl: pinctrl-single: move suspend()/resume()
 callbacks to noirq

On 1/29/24 23:49, Andi Shyti wrote:
> Hi Linus,
> 
> On Sat, Jan 27, 2024 at 11:31:11PM +0100, Linus Walleij wrote:
>> On Fri, Jan 26, 2024 at 3:37 PM Thomas Richard
>> <thomas.richard@...tlin.com> wrote:
>>
>>> The goal is to extend the active period of pinctrl.
>>> Some devices may need active pinctrl after suspend() and/or before
>>> resume().
>>> So move suspend()/resume() to suspend_noirq()/resume_noirq() in order to
>>> have active pinctrl until suspend_noirq() (included), and from
>>> resume_noirq() (included).
>>>
>>> The deprecated API has been removed to use the new one (dev_pm_ops struct).
>>>
>>> Signed-off-by: Thomas Richard <thomas.richard@...tlin.com>
>>
>> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
>>
>> Do you want to merge this as a series or is this something I
>> should just apply?
> 
> there is still a comment from me pending.

Hi Andi,

Based on your comment, for the next iteration, I will move the cleanup
in a dedicated patch.

@Linus, you can apply pinctrl patches once everything is ok for you.

Regards,

-- 
Thomas Richard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com