linux-kernel - Re: [PATCH 2/4] gpio/rockchip: fix get

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Date:   Sat, 18 Sep 2021 01:30:21 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Jianqun Xu <jay.xu@...k-chips.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] gpio/rockchip: fix get_direction value handling

On Tue, Sep 14, 2021 at 12:49 AM Heiko Stuebner <heiko@...ech.de> wrote:

> The function uses the newly introduced rockchip_gpio_readl_bit()
> which directly returns the actual value of the requeste bit.
> So using the existing bit-wise check for the bit inside the value
> will always return 0.
>
> Fix this by dropping the bit manipulation on the result.
>
> Fixes: 3bcbd1a85b68 ("gpio/rockchip: support next version gpio controller")
> Signed-off-by: Heiko Stuebner <heiko@...ech.de>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij