From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
"Len Brown" <len.brown@intel.com>, "Pavel Machek" <pavel@ucw.cz>,
"Linux PM list" <linux-pm@vger.kernel.org>,
"Ulf Hansson" <ulf.hansson@linaro.org>,
"Kevin Hilman" <khilman@linaro.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Krzysztof Kozłowski" <k.kozlowski@samsung.com>
Subject: Re: [PATCH] PM / Domains: restore calling of .suspend/resume_noirq() callbacks
Date: Thu, 13 Nov 2014 20:11:17 +0100 [thread overview]
Message-ID: <CAMuHMdV2JdEhvMsOahaMH8RUO12sit_39AfcWUFD9eGCYCCKGA@mail.gmail.com> (raw)
In-Reply-To: <5464FBCC.7060307@ti.com>
On Thu, Nov 13, 2014 at 7:43 PM, Grygorii Strashko
<grygorii.strashko@ti.com> wrote:
> On 11/13/2014 03:33 AM, Rafael J. Wysocki wrote:
>> On Wednesday, November 12, 2014 06:00:47 PM Grygorii Strashko wrote:
>>> Now .suspend/resume_noirq() callbacks will not be called during
>>> system wide suspend/resume for devices which belongs to some GPD.
>>> It seems, that this change was accidentally introduced by
>>> commit d23b9b00cdde ("PM / Domains: Rework system suspend callback
>>> routines (v2)").
>>
>> I'm not sure if that was really accidentally.
>>
>> Can you describe the problem that the change below is attempting to
>> address, without going to much into the history? IOW, what's that
>> doesn't work right now?
>
> There are no real issues - now in Kernel there are no users of GPD
> which use "noirq" callbacks.
Indeed.
But as the .suspend_noirq() and .resume_noirq() callbacks are not called
when using the generic PM domain, I had to manually handle interrupt
disable/enable in commit a00d91ea264f974b ("fbdev: sh_mobile_hdmi:
Re-init regs before irq re-enable on resume").
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
next prev parent reply other threads:[~2014-11-13 19:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-12 16:00 Grygorii Strashko
2014-11-13 1:33 ` Rafael J. Wysocki
2014-11-13 18:43 ` Grygorii Strashko
2014-11-13 19:11 ` Geert Uytterhoeven [this message]
2014-11-13 19:30 ` Grygorii Strashko
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=CAMuHMdV2JdEhvMsOahaMH8RUO12sit_39AfcWUFD9eGCYCCKGA@mail.gmail.com \
--to=geert@linux-m68k.org \
--cc=grygorii.strashko@ti.com \
--cc=k.kozlowski@samsung.com \
--cc=khilman@linaro.org \
--cc=len.brown@intel.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=pavel@ucw.cz \
--cc=rjw@rjwysocki.net \
--cc=ulf.hansson@linaro.org \
/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
all inboxes | Powered by JetHome®