linux-kernel - Re: [PATCH v2 4/4] gpio: pca953x: fix an incorrect lockdep warning

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Message-ID: <CACRpkdbYgetpYntO6KsVLh1n_7DU+1AD3AwVVkmV5ud5A6Q31g@mail.gmail.com>
Date:   Fri, 23 Sep 2016 10:10:57 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Wolfram Sang <wsa@...-dreams.de>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Alexandre Courbot <gnurou@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Vignesh R <vigneshr@...com>, Yong Li <yong.b.li@...el.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, Peter Rosin <peda@...ntia.se>,
        linux-i2c <linux-i2c@...r.kernel.org>,
        linux-gpio <linux-gpio@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 4/4] gpio: pca953x: fix an incorrect lockdep warning

On Wed, Sep 21, 2016 at 7:45 AM, Wolfram Sang <wsa@...-dreams.de> wrote:

>> In order to get rid of the warning, retrieve the adapter nesting depth
>> and use it as lockdep subclass for chip->i2c_lock.
>>
>> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
>
> Linus, we'd like that in 4.9. Can I get your ack for the gpio part?

Acked-by: Linus Walleij <linus.walleij@...aro.org>

Sorry for not attending quick enough, I was down in the
block layer.

Yours,
Linus Walleij