linux-kernel - Re: [PATCH] gpio: tegra: drop tegra specific GPIO lockdep classes

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Date:   Sun, 29 Jul 2018 23:39:16 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Stefan Agner <stefan@...er.ch>
Cc:     "thierry.reding@...il.com" <thierry.reding@...il.com>,
        Jon Hunter <jonathanh@...dia.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        linux-tegra@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] gpio: tegra: drop tegra specific GPIO lockdep classes

On Thu, Jul 26, 2018 at 5:42 PM Stefan Agner <stefan@...er.ch> wrote:

> Since commit e45d1c80c0ee ("gpio: put GPIO IRQs into their own lock
> class") and commit a0a8bcf4670c ("gpiolib: irqchip: use different
> lockdep class for each gpio irqchip") GPIO lib takes care of lockdep
> classes. In fact, gpiochip_irq_map() overwrites the class anyway, so
> the lockdep class set by the driver is useless. Remove it.
>
> Signed-off-by: Stefan Agner <stefan@...er.ch>

Patch applied. Makes perfect sense.

Yours,
Linus Walleij