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cpuidle: menu: Do not update last_state_idx in menu_select()

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It is not necessary to update data->last_state_idx in menu_select()
as it only is used in menu_update() which only runs when
data->needs_update is set and that is set only when updating
data->last_state_idx in menu_reflect().

Accordingly, drop the update of data->last_state_idx from
menu_select() and get rid of the (now redundant) "out" label
from it.

No intentional behavior changes.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This commit is contained in:
Rafael J. Wysocki 2018-10-02 23:45:07 +02:00
parent 96c3d11df1
commit eb40a380bf
1 changed files with 2 additions and 5 deletions
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7
drivers/cpuidle/governors/menu.c
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@ -398,7 +398,7 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
s->target_residency <= ktime_to_us(delta_next))
idx = i;
goto out;
return idx;
}
if (s->exit_latency > latency_req) {
/*
@ -445,10 +445,7 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
}
}
out:
data->last_state_idx = idx;
return data->last_state_idx;
return idx;
}
/**