Re: [PATCH] gpio: Do not include <linux/kernel.h> when not really needed.

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On Sun, Nov 27, 2022 at 10:52:10PM +0100, Christophe JAILLET wrote:
> <linux/kernel.h> is included only for using container_of().
> Include <linux/container_of.h> instead, it is much lighter.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>

Thanks for doing this! We really don't want to see kernel.h to be included by
other headers in the include/linux, include/asm, etc.

> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> Not sure if the prefix should be gpio or gpiolib.

I'm not sure either because this more for the consumers, I would leave gpio.

> Let see if build-bots spot something which is inherit via kernel.h
> ---
>  include/linux/of_gpio.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h
> index a5166eb93437..6db627257a7b 100644
> --- a/include/linux/of_gpio.h
> +++ b/include/linux/of_gpio.h
> @@ -34,7 +34,7 @@ enum of_gpio_flags {
>  
>  #ifdef CONFIG_OF_GPIO
>  
> -#include <linux/kernel.h>
> +#include <linux/container_of.h>
>  
>  /*
>   * OF GPIO chip for memory mapped banks
> -- 
> 2.34.1
> 
> 

-- 
With Best Regards,
Andy Shevchenko





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