Re: [PATCH 2/5 RESEND] thermal: exynos: Miscellaneous fixes to support falling threshold interrupt

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On Sun, 2013-01-06 at 15:50 -0800, Amit Daniel Kachhap wrote:
> Below fixes are done to support falling threshold interrupt,
> * Falling interrupt status macro corrected according to exynos5 data sheet.
> * The get trend function modified to calculate trip temperature correctly.
> * The clearing of interrupt status in the isr is now done after handling
>   the event that caused the interrupt.
[]
> diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c
[]
> @@ -373,12 +373,19 @@ static int exynos_get_temp(struct thermal_zone_device *thermal,
>  static int exynos_get_trend(struct thermal_zone_device *thermal,
>  			int trip, enum thermal_trend *trend)
>  {
> -	if (thermal->temperature >= trip)
> +	int ret = 0;

Unnecessary initialization

> +	unsigned long trip_temp;
> +
> +	ret = exynos_get_trip_temp(thermal, trip, &trip_temp);
> +	if (ret < 0)
> +		return ret;
> +
> +	if (thermal->temperature >= trip_temp)
>  		*trend = THERMAL_TREND_RAISING;
>  	else
>  		*trend = THERMAL_TREND_DROPPING;

THERMAL_TREND_STABLE ?

>  
> -	return 0;
> +	return ret;

return 0 is clearer.

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