Re: [PATCH] ARM: i.MX: Add missing braces

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi,

On 13.04.21 11:03, Sascha Hauer wrote:
> Add braces around the definition of imx1_gpio_val and imx31_gpio_val
> to make sure it's evaluated correctly.
> 
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> ---
>  arch/arm/mach-imx/include/mach/imx-gpio.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/include/mach/imx-gpio.h b/arch/arm/mach-imx/include/mach/imx-gpio.h
> index 0cfd16f4fa..b9a6acc013 100644
> --- a/arch/arm/mach-imx/include/mach/imx-gpio.h
> +++ b/arch/arm/mach-imx/include/mach/imx-gpio.h
> @@ -72,11 +72,11 @@ static inline void imx31_gpio_direction_input(void *base, int gpio)
>  #define imx6_gpio_direction_input(base, gpio) imx31_gpio_direction_input(base, gpio)
>  #define imx8m_gpio_direction_input(base, gpio) imx31_gpio_direction_input(base, gpio)
>  
> -#define imx1_gpio_val(base, gpio) readl(base + 0x1c) & (1 << gpio) ? 1 : 0
> +#define imx1_gpio_val(base, gpio) (readl(base + 0x1c) & (1 << gpio) ? 1 : 0)

Braces around base and especially gpio might be a good idea as well.
You never know..

>  #define imx21_gpio_val(base, gpio) imx1_gpio_val(base, gpio)
>  #define imx27_gpio_val(base, gpio) imx1_gpio_val(base, gpio)
>  
> -#define imx31_gpio_val(base, gpio) readl(base) & (1 << gpio) ? 1 : 0
> +#define imx31_gpio_val(base, gpio) (readl(base) & (1 << gpio) ? 1 : 0)
>  #define imx25_gpio_val(base, gpio) imx31_gpio_val(base, gpio)
>  #define imx35_gpio_val(base, gpio) imx31_gpio_val(base, gpio)
>  #define imx51_gpio_val(base, gpio) imx31_gpio_val(base, gpio)
> 

-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

_______________________________________________
barebox mailing list
barebox@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/barebox



[Index of Archives]     [Linux Embedded]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux