linux-kernel - Re: [PATCH] Input: msm-vibrator: use correct gpio header

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Date:   Tue, 5 Mar 2019 08:49:01 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Brian Masney <masneyb@...tation.org>,
        Linux Input <linux-input@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Input: msm-vibrator: use correct gpio header

On Mon, Mar 4, 2019 at 8:57 PM Arnd Bergmann <arnd@...db.de> wrote:

> When CONFIG_GPIOLIB is not set, we get a couple of build
> errors during test building:
>
> drivers/input/misc/msm-vibrator.c: In function 'msm_vibrator_start':
> drivers/input/misc/msm-vibrator.c:79:3: error: implicit declaration of function 'gpiod_set_value_cansleep'; did you mean 'gpio_set_value_cansleep'? [-Werror=implicit-function-declaration]
>    gpiod_set_value_cansleep(vibrator->enable_gpio, 1);
>    ^~~~~~~~~~~~~~~~~~~~~~~~
>    gpio_set_value_cansleep
> drivers/input/misc/msm-vibrator.c: In function 'msm_vibrator_probe':
> drivers/input/misc/msm-vibrator.c:176:26: error: implicit declaration of function 'devm_gpiod_get'; did you mean 'devm_gpio_free'? [-Werror=implicit-function-declaration]
>   vibrator->enable_gpio = devm_gpiod_get(&pdev->dev, "enable",
>                           ^~~~~~~~~~~~~~
>                           devm_gpio_free
> drivers/input/misc/msm-vibrator.c:177:13: error: 'GPIOD_OUT_LOW' undeclared (first use in this function); did you mean 'GPIOF_INIT_LOW'?
>              GPIOD_OUT_LOW);
>              ^~~~~~~~~~~~~
>              GPIOF_INIT_LOW
> drivers/input/misc/msm-vibrator.c:177:13: note: each undeclared identifier is reported only once for each function it appears in
>
> This is easy to avoid when we use gpio/consumer.h as the documented interface.
>
> Fixes: 0f681d09e66e ("Input: add new vibrator driver for various MSM SOCs")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

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

Yours,
Linus Walleij