From: wsa@the-dreams.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] i2c/omap: drop the lock hard irq context
Date: Sun, 24 Apr 2016 22:37:06 +0200 [thread overview]
Message-ID: <20160424203706.GB4317@katana> (raw)
In-Reply-To: <1459778123-16267-1-git-send-email-grygorii.strashko@ti.com>
On Mon, Apr 04, 2016 at 04:55:23PM +0300, Grygorii Strashko wrote:
> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
>
> The lock is taken while reading two registers. On RT the first lock is
> taken in hard irq where it might sleep and in the threaded irq.
> The threaded irq runs in oneshot mode so the hard irq does not run until
> the thread the completes so there is no reason to grab the lock.
>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
> [grygorii.strashko at ti.com: drop locking from isr completely and remove
> lock field from struct omap_i2c_dev]
> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Applied to for-next, thanks!
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20160424/e7ea5251/attachment.sig>
prev parent reply other threads:[~2016-04-24 20:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-04 13:55 [PATCH] i2c/omap: drop the lock hard irq context Grygorii Strashko
2016-04-24 20:37 ` Wolfram Sang [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=20160424203706.GB4317@katana \
--to=wsa@the-dreams.de \
--cc=linux-arm-kernel@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