linux-kernel - Re: [PATCH 1/2] pinctrl: sunxi: Forward calls to irq_set_irq

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Date:   Fri, 21 Feb 2020 15:15:01 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Samuel Holland <samuel@...lland.org>
Cc:     Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [PATCH 1/2] pinctrl: sunxi: Forward calls to irq_set_irq_wake

On Fri, Jan 17, 2020 at 10:33 PM Samuel Holland <samuel@...lland.org> wrote:

> The pinctrl irqchip may be connected to an irqchip that implements the
> .irq_set_wake callback, such as the R_INTC on A31 and newer sunxi SoCs.
> In order for GPIOs to be able to trigger wakeup, the IRQ from the
> pinctrl to the upper irqchip must also be enabled for wakeup. Since the
> kernel's IRQ core already manages the "wake_depth" of each IRQ, no
> additional accounting is needed in the pinctrl driver.
>
> Signed-off-by: Samuel Holland <samuel@...lland.org>

Patch applied with Maxime's ACK.

Yours,
Linus Walleij