From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>,
Sascha Hauer <s.hauer@pengutronix.de>
Subject: Re: [PATCH] watchdog: imxwd: Do not suspend in lpm on i.MX27
Date: Thu, 16 May 2024 08:09:18 +0200 [thread overview]
Message-ID: <171583975892.2730016.8898409374784288953.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20240515110156.1920361-1-s.hauer@pengutronix.de>
On Wed, 15 May 2024 13:01:56 +0200, Sascha Hauer wrote:
> The i.MX watchdog has two different configurable behaviours for low
> power modes. The watchdog can either be suspended during low power
> modes or kept running.
> The useful behaviour is normally to disable it during low power modes to
> be able to suspend the system without having the watchdog resetting the
> system. This setting was introduced in the Kernel back in 2014 [1] and
> in barebox back in 2021 [2].
> On i.MX27 however this setting has the effect that the watchdog is
> suspended during normal cpu_do_idle(), so on an idle system it takes
> very long time until the watchdog triggers. This renders this setting
> useless, so disable it on i.MX27. This seems to be fixed on SoCs newer
> than i.MX35.
>
> [...]
Applied, thanks!
[1/1] watchdog: imxwd: Do not suspend in lpm on i.MX27
https://git.pengutronix.de/cgit/barebox/commit/?id=d5d01f156ee2 (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2024-05-16 6:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-15 11:01 Sascha Hauer
2024-05-16 6:09 ` Sascha Hauer [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=171583975892.2730016.8898409374784288953.b4-ty@pengutronix.de \
--to=s.hauer@pengutronix.de \
--cc=barebox@lists.infradead.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