From: Wolfram Sang <wsa@the-dreams.de>
To: Chuhong Yuan <hslester96@gmail.com>, Dong Aisheng <aisheng.dong@nxp.com>
Cc: Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
NXP Linux Team <linux-imx@nxp.com>,
linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] i2c: imx-lpi2c: add clk_disable_unprepare calls
Date: Sun, 22 Mar 2020 17:19:23 +0100 [thread overview]
Message-ID: <20200322161923.GC6766@ninjato> (raw)
In-Reply-To: <20191102062149.3957-1-hslester96@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 1357 bytes --]
On Sat, Nov 02, 2019 at 02:21:49PM +0800, Chuhong Yuan wrote:
> The driver forgets to call clk_disable_unprepare when probe fails
> and remove.
> Add the two calls to fix the problem.
>
> Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
> ---
Dong Aisheng, what do you think of this patch?
> Changes in v2:
> - Adjust the call order to make it consistent in probe failure and
> removal.
>
> drivers/i2c/busses/i2c-imx-lpi2c.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c
> index c92b56485fa6..f964693c0901 100644
> --- a/drivers/i2c/busses/i2c-imx-lpi2c.c
> +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c
> @@ -618,6 +618,7 @@ static int lpi2c_imx_probe(struct platform_device *pdev)
> return 0;
>
> rpm_disable:
> + clk_disable_unprepare(lpi2c_imx->clk);
> pm_runtime_put(&pdev->dev);
> pm_runtime_disable(&pdev->dev);
> pm_runtime_dont_use_autosuspend(&pdev->dev);
> @@ -630,6 +631,7 @@ static int lpi2c_imx_remove(struct platform_device *pdev)
> struct lpi2c_imx_struct *lpi2c_imx = platform_get_drvdata(pdev);
>
> i2c_del_adapter(&lpi2c_imx->adapter);
> + clk_disable_unprepare(lpi2c_imx->clk);
>
> pm_runtime_disable(&pdev->dev);
> pm_runtime_dont_use_autosuspend(&pdev->dev);
> --
> 2.23.0
>
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
prev parent reply other threads:[~2020-03-22 16:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-02 6:21 [PATCH v2] i2c: imx-lpi2c: add clk_disable_unprepare calls Chuhong Yuan
2020-03-22 16:19 ` 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=20200322161923.GC6766@ninjato \
--to=wsa@the-dreams.de \
--cc=aisheng.dong@nxp.com \
--cc=festevam@gmail.com \
--cc=hslester96@gmail.com \
--cc=kernel@pengutronix.de \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-imx@nxp.com \
--cc=linux-kernel@vger.kernel.org \
--cc=s.hauer@pengutronix.de \
--cc=shawnguo@kernel.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;
as well as URLs for NNTP newsgroup(s).