From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Thomas Richard <thomas.richard@bootlin.com>
Cc: "Andy Shevchenko" <andy.shevchenko@gmail.com>,
"Linus Walleij" <linus.walleij@linaro.org>,
"Bartosz Golaszewski" <brgl@bgdev.pl>,
"Tony Lindgren" <tony@atomide.com>,
"Aaro Koskinen" <aaro.koskinen@iki.fi>,
"Janusz Krzysztofik" <jmkrzyszt@gmail.com>,
"Vignesh R" <vigneshr@ti.com>,
"Andi Shyti" <andi.shyti@kernel.org>,
"Peter Rosin" <peda@axentia.se>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Rob Herring" <robh@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Siddharth Vadapalli" <s-vadapalli@ti.com>,
linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-omap@vger.kernel.org, linux-i2c@vger.kernel.org,
linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
gregory.clement@bootlin.com, theo.lebrun@bootlin.com,
thomas.petazzoni@bootlin.com, u-kumar1@ti.com,
"Bartosz Golaszewski" <bartosz.golaszewski@linaro.org>,
"Wolfram Sang" <wsa+renesas@sang-engineering.com>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>
Subject: Re: [PATCH v5 01/11] gpio: pca953x: move suspend()/resume() to suspend_noirq()/resume_noirq()
Date: Tue, 23 Apr 2024 17:31:58 +0200 [thread overview]
Message-ID: <CAMuHMdV3NbCHchm9eHhGQNuvzmdwuP_fdt31m7vNY7Cp2-3-=Q@mail.gmail.com> (raw)
In-Reply-To: <c5ed5bed-9c93-47eb-8277-d78e12e96b42@bootlin.com>
Hi Thomas,
On Tue, Apr 23, 2024 at 12:53 PM Thomas Richard
<thomas.richard@bootlin.com> wrote:
> On 4/23/24 12:34, Andy Shevchenko wrote:
> > On Tue, Apr 23, 2024 at 12:42 PM Geert Uytterhoeven
> > <geert@linux-m68k.org> wrote:
> >> On Tue, Apr 16, 2024 at 3:31 PM Thomas Richard
> >> <thomas.richard@bootlin.com> wrote:
> >
> > ...
> >
> >> +i2c-rcar e66d8000.i2c: error -16 : 10000005
> >
> > It probably means that I²C host controller is already in power off
> > mode and can't serve anymore.
>
> Yes the i2c controller is already off.
> In fact it's the same issue I had with the i2c-omap driver.
> In suspend-noirq, the runtime pm is disabled, so you can't wakeup a
> device. More details available in this thread [1].
> So the trick is to wakeup the device during suspend (like I did for the
> i2c-omap driver [2].
>
> [1]
> https://lore.kernel.org/all/f68c9a54-0fde-4709-9d2f-0d23a049341b@bootlin.com/
> [2]
> https://lore.kernel.org/all/20240102-j7200-pcie-s2r-v5-2-4b8c46711ded@bootlin.com/
>
> I think the patch below should fix the issue.
Thanks, I gave that a try, but it doesn't make any difference.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
prev parent reply other threads:[~2024-04-23 15:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20240102-j7200-pcie-s2r-v5-0-4b8c46711ded@bootlin.com>
[not found] ` <20240102-j7200-pcie-s2r-v5-1-4b8c46711ded@bootlin.com>
2024-04-23 9:42 ` [PATCH v5 01/11] gpio: pca953x: move suspend()/resume() to suspend_noirq()/resume_noirq() Geert Uytterhoeven
2024-04-23 10:34 ` Andy Shevchenko
2024-04-23 10:53 ` Thomas Richard
2024-04-23 15:31 ` Geert Uytterhoeven [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAMuHMdV3NbCHchm9eHhGQNuvzmdwuP_fdt31m7vNY7Cp2-3-=Q@mail.gmail.com' \
--to=geert@linux-m68k.org \
--cc=aaro.koskinen@iki.fi \
--cc=andi.shyti@kernel.org \
--cc=andy.shevchenko@gmail.com \
--cc=bartosz.golaszewski@linaro.org \
--cc=bhelgaas@google.com \
--cc=brgl@bgdev.pl \
--cc=gregory.clement@bootlin.com \
--cc=jmkrzyszt@gmail.com \
--cc=kw@linux.com \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-gpio@vger.kernel.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-omap@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=linux-renesas-soc@vger.kernel.org \
--cc=lpieralisi@kernel.org \
--cc=peda@axentia.se \
--cc=robh@kernel.org \
--cc=s-vadapalli@ti.com \
--cc=theo.lebrun@bootlin.com \
--cc=thomas.petazzoni@bootlin.com \
--cc=thomas.richard@bootlin.com \
--cc=tony@atomide.com \
--cc=u-kumar1@ti.com \
--cc=vigneshr@ti.com \
--cc=wsa+renesas@sang-engineering.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).