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References: <20210601162128.35663-1-andriy.shevchenko@linux.intel.com>
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From:   Bartosz Golaszewski <bgolaszewski@baylibre.com>
Date:   Wed, 2 Jun 2021 15:34:49 +0200
Message-ID: <CAMpxmJUogbSKEnm=c_s=yYwgCiLD6g56_k30jg84J+=v-=47yw@mail.gmail.com>
Subject: Re: [PATCH v1 1/2] gpio: dwapb: Drop redundant check in dwapb_irq_set_type()
To:     Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc:     Serge Semin <Sergey.Semin@baikalelectronics.ru>,
        linux-gpio <linux-gpio@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Hoan Tran <hoan@os.amperecomputing.com>,
        Serge Semin <fancer.lancer@gmail.com>,
        Linus Walleij <linus.walleij@linaro.org>
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On Tue, Jun 1, 2021 at 6:21 PM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
>
> For more than 15 years we may not get into ->irq_set_type()
> without any meaningful type provided.
>
> Drop redundant check in dwapb_irq_set_type().
>
> See the commit e76de9f8eb67 ("[PATCH] genirq: add SA_TRIGGER support")
> out of curiosity.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  drivers/gpio/gpio-dwapb.c | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
> index d3233cc4b76b..939701c1465e 100644
> --- a/drivers/gpio/gpio-dwapb.c
> +++ b/drivers/gpio/gpio-dwapb.c
> @@ -297,9 +297,6 @@ static int dwapb_irq_set_type(struct irq_data *d, u32 type)
>         irq_hw_number_t bit = irqd_to_hwirq(d);
>         unsigned long level, polarity, flags;
>
> -       if (type & ~IRQ_TYPE_SENSE_MASK)
> -               return -EINVAL;
> -
>         spin_lock_irqsave(&gc->bgpio_lock, flags);
>         level = dwapb_read(gpio, GPIO_INTTYPE_LEVEL);
>         polarity = dwapb_read(gpio, GPIO_INT_POLARITY);
> --
> 2.30.2
>

Applied, thanks!

Bart