[PATCH V3 6/7] backlight: qcom-wled: add support for short circuit handling

Vinod vkoul at kernel.org
Wed Jun 20 05:47:22 UTC 2018


On 19-06-18, 16:43, Kiran Gunda wrote:

>  struct wled {
>  	const char *name;
>  	struct device *dev;
>  	struct regmap *regmap;
> +	struct mutex lock;	/* Lock to avoid race from ISR */

the comment is wrong as you avoid race with thread handler and not the
main ISR. The ISR runs in atomic context so you cant use a mutex but you
may do so with a thread handler

> +#define WLED_SHORT_DLY_MS			20
> +#define WLED_SHORT_CNT_MAX			5
> +#define WLED_SHORT_RESET_CNT_DLY_US		USEC_PER_SEC

an empty line after defines would be better

> +static int wled_configure_short_irq(struct wled *wled,
> +				    struct platform_device *pdev)
> +{
> +	int rc = 0, short_irq;

superfluous initialization of rc

-- 
~Vinod


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