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Message-ID: <CACRpkda3g7FXV4vLtj0LnV5H3vhumDrngHeJ6F7yc8y1k_dABg@mail.gmail.com>
Date: Tue, 1 Dec 2015 15:06:13 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Sudeep Holla <sudeep.holla@....com>,
Tony Lindgren <tony@...mide.com>,
Grygorii Strashko <grygorii.strashko@...com>
Cc: "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] pinctrl: single: Use a separate lockdep class
On Fri, Nov 27, 2015 at 6:20 PM, Sudeep Holla <sudeep.holla@....com> wrote:
> The single pinmux controller can be cascaded to the other interrupt
> controllers. Hence when propagating wake-up settings to its parent
> interrupt controller, there's possiblity of detecting possible recursive
> locking and getting lockdep warning.
>
> This patch avoids this false positive by using a separate lockdep class
> for this single pinctrl interrupts.
>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Cc: linux-gpio@...r.kernel.org
> Suggested-by: Thomas Gleixner <tglx@...utronix.de>
> Signed-off-by: Sudeep Holla <sudeep.holla@....com>
I need Tony's ACK on this patch before applying.
Is it a regression that needs to go into fixes?
Yours,
Linus Walleij
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