linux-kernel - Re: [PATCH] gpio: mpc8xxx: change the gpio interrupt flags.

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Date:   Mon, 15 Jun 2020 10:14:55 +0200
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Hui Song <hui.song_1@....com>
Cc:     Shawn Guo <shawnguo@...nel.org>, Li Yang <leoyang.li@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Linus Walleij <linus.walleij@...aro.org>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>,
        linux-devicetree <devicetree@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-gpio <linux-gpio@...r.kernel.org>
Subject: Re: [PATCH] gpio: mpc8xxx: change the gpio interrupt flags.

czw., 11 cze 2020 o 12:43 Hui Song <hui.song_1@....com> napisał(a):
>
> From: Song Hui <hui.song_1@....com>
>
> Delete the interrupt IRQF_NO_THREAD flags in order to gpio interrupts
> can be threaded to allow high-priority processes to preempt.
>
> Signed-off-by: Song Hui <hui.song_1@....com>
> ---
>  drivers/gpio/gpio-mpc8xxx.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
> index 604dfec..1e86652 100644
> --- a/drivers/gpio/gpio-mpc8xxx.c
> +++ b/drivers/gpio/gpio-mpc8xxx.c
> @@ -417,7 +417,7 @@ static int mpc8xxx_probe(struct platform_device *pdev)
>
>         ret = devm_request_irq(&pdev->dev, mpc8xxx_gc->irqn,
>                                mpc8xxx_gpio_irq_cascade,
> -                              IRQF_NO_THREAD | IRQF_SHARED, "gpio-cascade",
> +                              IRQF_SHARED, "gpio-cascade",
>                                mpc8xxx_gc);
>         if (ret) {
>                 dev_err(&pdev->dev, "%s: failed to devm_request_irq(%d), ret = %d\n",
> --
> 2.9.5
>

Patch applied, thanks!

Bartosz