From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Jarkko Nikula <jarkko.nikula@linux.intel.com>, linux-can@vger.kernel.org
Cc: Dan Murphy <dmurphy@ti.com>,
Sriram Dash <sriram.dash@samsung.com>,
Patrik Flykt <patrik.flykt@linux.intel.com>
Subject: Re: [PATCH] can: m_can: Process interrupt only when not runtime suspended
Date: Wed, 18 Nov 2020 16:23:22 +0100 [thread overview]
Message-ID: <51aae4ee-5abf-8759-ca8d-627f661e9753@pengutronix.de> (raw)
In-Reply-To: <20200915134715.696303-1-jarkko.nikula@linux.intel.com>
[-- Attachment #1.1: Type: text/plain, Size: 749 bytes --]
On 9/15/20 3:47 PM, Jarkko Nikula wrote:
> Avoid processing bogus interrupt statuses when the HW is runtime
> suspended and the M_CAN_IR register read may get all bits 1's. Handler
> can be called if the interrupt request is shared with other peripherals
> or at the end of free_irq().
>
> Therefore check the runtime suspended status before processing.
>
> Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Applied to linux-can/testing
Tnx,
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Embedded Linux | https://www.pengutronix.de |
Vertretung West/Dortmund | Phone: +49-231-2826-924 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 488 bytes --]
prev parent reply other threads:[~2020-11-18 15:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-15 13:47 [PATCH] can: m_can: Process interrupt only when not runtime suspended Jarkko Nikula
2020-11-18 15:23 ` Marc Kleine-Budde [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=51aae4ee-5abf-8759-ca8d-627f661e9753@pengutronix.de \
--to=mkl@pengutronix.de \
--cc=dmurphy@ti.com \
--cc=jarkko.nikula@linux.intel.com \
--cc=linux-can@vger.kernel.org \
--cc=patrik.flykt@linux.intel.com \
--cc=sriram.dash@samsung.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 NNTP newsgroup(s).