linux-kernel - Re: [PATCH v5] i2c: imx: make bus recovery through pinctrl optional

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Message-ID: <20160907055547.opp57zyxhlplhxhm@pengutronix.de>
Date:   Wed, 7 Sep 2016 07:55:47 +0200
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     Tracy Smith <tlsmith3777@...il.com>
Cc:     Leo Li <pku.leo@...il.com>, Stefan Agner <stefan@...er.ch>,
        Gao Pan <pandy.gao@....com>, Wolfram Sang <wsa@...-dreams.de>,
        lkml <linux-kernel@...r.kernel.org>,
        Li Yang <leoyang.li@....com>, linux-gpio@...r.kernel.org,
        "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v5] i2c: imx: make bus recovery through pinctrl optional

Hello,

On Tue, Sep 06, 2016 at 06:35:38PM -0500, Tracy Smith wrote:
> >The patch makes it really optional that
> >the probe function won't bailout but just disable the bus recovery function
> >when pinctrl is not available.
> 
> in the case of the LS1043A and LS1021A, if the bus recovery function is
> disabled, how will bus recovery occur?  Is there no option to recover the
> bus for the LS1021a and LS1043a?

Right. That's the situation that we had for all drivers some time ago.
Most of the time this is no problem.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |