linux-kernel - Re: gpio: pcf857x: lockdep warning on v4.10-rc3

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Date:   Wed, 11 Jan 2017 17:55:48 +0200
From:   Roger Quadros <rogerq@...com>
To:     Linus Walleij <linus.walleij@...aro.org>
CC:     Tony Lindgren <tony@...mide.com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        linux-omap <linux-omap@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: gpio: pcf857x: lockdep warning on v4.10-rc3

On 11/01/17 17:38, Linus Walleij wrote:
> On Tue, Jan 10, 2017 at 1:18 PM, Roger Quadros <rogerq@...com> wrote:
> 
>> Hi Linus,
>>
>> I see the following lockdep warning on v4.10-rc3 on TI's dra7-evm.
>>
>> reverting (d245b3f9bd3 "gpio: simplify adding threaded interrupts") seems to fix it.
> 
> I sent out a patch today:
> "gpio: provide lockdep keys for nested/unnested irqchips"
> 
> could you test and see if it solves your problem?
> 

Yes, it solves the problem for me. Thanks.

cheers,
-roger