From: Philipp Zabel <p.zabel@pengutronix.de>
To: robby.cai@oss.nxp.com, Frank.Li@nxp.com, s.hauer@pengutronix.de,
festevam@gmail.com
Cc: krzk+dt@kernel.org, andrew.smirnov@gmail.com,
kernel@pengutronix.de, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, aisheng.dong@nxp.com,
guoniu.zhou@nxp.com
Subject: Re: [PATCH v3 1/1] reset: imx7: Correct polarity of MIPI CSI resets on i.MX8MQ
Date: Thu, 02 Jul 2026 17:53:43 +0200 [thread overview]
Message-ID: <4fa5149db18bfac88780382cf8d2d6ee18470c71.camel@pengutronix.de> (raw)
In-Reply-To: <20260619073115.3778313-1-robby.cai@oss.nxp.com>
On Fr, 2026-06-19 at 15:31 +0800, robby.cai@oss.nxp.com wrote:
> From: Robby Cai <robby.cai@nxp.com>
>
> On i.MX8MQ, the MIPI CSI reset lines are active-low and not self-clearing.
> Writing '0' asserts reset and it remains asserted until explicitly
> deasserted by software.
>
> This driver previously treated the MIPI CSI reset signals as active-high,
> which led to incorrect reset assert/deassert sequencing. This issue was
> exposed by commit 6d79bb8fd2aa ("media: imx8mq-mipi-csi2: Explicitly
> release reset").
>
> Fix this by reflecting the correct reset polarity and ensuring proper
> reset handling.
[...]
Applied to reset/fixes, thanks!
[1/1] reset: imx7: Correct polarity of MIPI CSI resets on i.MX8MQ
https://git.kernel.org/pub/scm/linux/kernel/git/pza/linux.git/commit/?id=71827776667f
regards
Philipp
prev parent reply other threads:[~2026-07-02 15:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-19 7:31 [PATCH v3 1/1] reset: imx7: Correct polarity of MIPI CSI resets on i.MX8MQ robby.cai
2026-06-19 14:20 ` Frank Li
2026-06-22 9:50 ` guoniu.zhou
2026-07-02 15:53 ` Philipp Zabel [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=4fa5149db18bfac88780382cf8d2d6ee18470c71.camel@pengutronix.de \
--to=p.zabel@pengutronix.de \
--cc=Frank.Li@nxp.com \
--cc=aisheng.dong@nxp.com \
--cc=andrew.smirnov@gmail.com \
--cc=festevam@gmail.com \
--cc=guoniu.zhou@nxp.com \
--cc=imx@lists.linux.dev \
--cc=kernel@pengutronix.de \
--cc=krzk+dt@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=robby.cai@oss.nxp.com \
--cc=s.hauer@pengutronix.de \
/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