linux-kernel - RE: [PATCH] i2c: imx: correct the method of getting private data in notifier

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Message-ID: <AM0PR04MB42110D893D07DFECFE167F5580250@AM0PR04MB4211.eurprd04.prod.outlook.com>
Date:   Wed, 17 Apr 2019 03:17:10 +0000
From:   Aisheng Dong <aisheng.dong@....com>
To:     Anson Huang <anson.huang@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "wsa+renesas@...g-engineering.com" <wsa+renesas@...g-engineering.com>,
        "u.kleine-koenig@...gutronix.de" <u.kleine-koenig@...gutronix.de>,
        "eha@...f.com" <eha@...f.com>,
        "linux@...pel-privat.de" <linux@...pel-privat.de>,
        "mojha@...eaurora.org" <mojha@...eaurora.org>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        "peda@...ntia.se" <peda@...ntia.se>,
        "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH] i2c: imx: correct the method of getting private data in
 notifier_call

[...]

> >
> > Fixes: 90ad2cbe88c2("i2c: imx: use clk notifier for rate changes")
> > Signed-off-by: Anson Huang <Anson.Huang@....com>
> 
> Please also provide how to reproduce it.
> And it seems not a new issue, should we CC stable?

Besides above comments:

Reviewed-by: Dong Aisheng <aisheng.dong@....com>

Regards
Dong Aisheng

> 
> Regards
> Dong Aisheng
> 
> > ---
> >  drivers/i2c/busses/i2c-imx.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/i2c/busses/i2c-imx.c
> > b/drivers/i2c/busses/i2c-imx.c index
> > c0c3043..fd70b11 100644
> > --- a/drivers/i2c/busses/i2c-imx.c
> > +++ b/drivers/i2c/busses/i2c-imx.c
> > @@ -515,9 +515,9 @@ static int i2c_imx_clk_notifier_call(struct
> > notifier_block *nb,
> >  				     unsigned long action, void *data)  {
> >  	struct clk_notifier_data *ndata = data;
> > -	struct imx_i2c_struct *i2c_imx = container_of(&ndata->clk,
> > +	struct imx_i2c_struct *i2c_imx = container_of(nb,
> >  						      struct imx_i2c_struct,
> > -						      clk);
> > +						      clk_change_nb);
> >
> >  	if (action & POST_RATE_CHANGE)
> >  		i2c_imx_set_clk(i2c_imx, ndata->new_rate);
> > --
> > 2.7.4