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Message-ID: <CACRpkdY2wiw1zH8FsEv7S1FW044PBSXpLPqanF5yyH1R4oteEA@mail.gmail.com>
Date: Thu, 8 Feb 2024 22:29:11 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Thomas Richard <thomas.richard@...tlin.com>
Cc: Tony Lindgren <tony@...mide.com>, Bartosz Golaszewski <brgl@...ev.pl>, Andy Shevchenko <andy@...nel.org>,
Haojian Zhuang <haojian.zhuang@...aro.org>, Vignesh R <vigneshr@...com>,
Aaro Koskinen <aaro.koskinen@....fi>, Janusz Krzysztofik <jmkrzyszt@...il.com>,
Andi Shyti <andi.shyti@...nel.org>, 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,
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Subject: Re: [PATCH 01/14] gpio: pca953x: move suspend/resume to suspend_noirq/resume_noirq
On Thu, Feb 8, 2024 at 5:19 PM Thomas Richard
<thomas.richard@...tlin.com> wrote:
> On 1/28/24 01:12, Linus Walleij wrote:
> > I guess you could define both pca953x_suspend() and
> > pca953x_suspend_noirq() and selectively bail out on one
> > path on some systems?
>
> Yes.
>
> What do you think if I use a property like for example "ti,pm-noirq" to
> select the right path ?
> Is a property relevant for this use case ?
That's a Linux-specific property and that's useless for other operating
systems and not normally allowed. PM noirq is just some Linux thing.
*FIRST* we should check if putting the callbacks to noirq is fine with
other systems too, and I don't see why not. Perhaps we need to even
merge it if we don't get any test results.
If it doesn't work we can think of other options.
Yours,
Linus Walleij
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