Messages in this thread Patch in this message | | | From | Daniel Lezcano <> | Subject | [PATCH 1/2] thermal/core: Use clamp() helper in the stepwise governor | Date | Wed, 29 Jun 2022 17:10:11 +0200 |
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The code is actually clampling the next cooling device state using the lowest and highest states of the thermal instance.
That code can be replaced by the clamp() macro which does exactly the same. It results in a simpler routine to read.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> --- drivers/thermal/gov_step_wise.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-)
diff --git a/drivers/thermal/gov_step_wise.c b/drivers/thermal/gov_step_wise.c index 12acb12aac50..6efbfaf014da 100644 --- a/drivers/thermal/gov_step_wise.c +++ b/drivers/thermal/gov_step_wise.c @@ -11,6 +11,7 @@ */ #include <linux/thermal.h> +#include <linux/minmax.h> #include <trace/events/thermal.h> #include "thermal_core.h" @@ -52,10 +53,7 @@ static unsigned long get_target_state(struct thermal_instance *instance, if (!instance->initialized) { if (throttle) { - next_target = (cur_state + 1) >= instance->upper ? - instance->upper : - ((cur_state + 1) < instance->lower ? - instance->lower : (cur_state + 1)); + next_target = clamp((cur_state + 1), instance->lower, instance->upper); } else { next_target = THERMAL_NO_TARGET; } @@ -66,10 +64,7 @@ static unsigned long get_target_state(struct thermal_instance *instance, switch (trend) { case THERMAL_TREND_RAISING: if (throttle) { - next_target = cur_state < instance->upper ? - (cur_state + 1) : instance->upper; - if (next_target < instance->lower) - next_target = instance->lower; + next_target = clamp((cur_state + 1), instance->lower, instance->upper); } break; case THERMAL_TREND_RAISE_FULL: @@ -82,9 +77,7 @@ static unsigned long get_target_state(struct thermal_instance *instance, next_target = THERMAL_NO_TARGET; } else { if (!throttle) { - next_target = cur_state - 1; - if (next_target > instance->upper) - next_target = instance->upper; + next_target = clamp((cur_state - 1), instance->lower, instance->upper); } } break; -- 2.25.1
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