Re: [PATCH 3/4] pinctrl: stm32: Implement .get_direction gpio_chip callback

From: Alexandre Torgue
Date: Mon Apr 24 2017 - 12:08:34 EST


Hi Linus,

On 04/24/2017 02:37 PM, Linus Walleij wrote:
On Fri, Apr 7, 2017 at 5:10 PM, Alexandre TORGUE
<alexandre.torgue@xxxxxx> wrote:

Add .get_direction() gpiochip callback in STM32 pinctrl driver.

Signed-off-by: Alexandre TORGUE <alexandre.torgue@xxxxxx>

(...)
+#include <linux/gpio.h>

No this is wrong, drivers should never include this file.
It is a deprecated consumer header.

+ if ((alt == 0) && (mode == 0))
+ ret = GPIOF_DIR_IN;
+ else if ((alt == 0) && (mode == 1))
+ ret = GPIOF_DIR_OUT;

Just return 0 or 1, that is the driver-internal API.

Ok. I will fix it in V2.

Thanks
Alex


Yours,
Linus Walleij