From: Yury Norov <yury.norov@gmail.com>
Date: Sun, 23 Jan 2022 18:38:34 +0000 (-0800)
Subject: thermal: intel_powerclamp: don't use bitmap_weight() in end_power_clamp()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a11cda8e2f184e35e42bbb96a27272b3c5e801d2;p=linux.git

thermal: intel_powerclamp: don't use bitmap_weight() in end_power_clamp()

Don't call bitmap_weight() if the following code can get by
without it.

Signed-off-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

diff --git a/drivers/thermal/intel/intel_powerclamp.c b/drivers/thermal/intel/intel_powerclamp.c
index 14256421d98c2..c841ab37e7c6d 100644
--- a/drivers/thermal/intel/intel_powerclamp.c
+++ b/drivers/thermal/intel/intel_powerclamp.c
@@ -556,12 +556,9 @@ static void end_power_clamp(void)
 	 * stop faster.
 	 */
 	clamping = false;
-	if (bitmap_weight(cpu_clamping_mask, num_possible_cpus())) {
-		for_each_set_bit(i, cpu_clamping_mask, num_possible_cpus()) {
-			pr_debug("clamping worker for cpu %d alive, destroy\n",
-				 i);
-			stop_power_clamp_worker(i);
-		}
+	for_each_set_bit(i, cpu_clamping_mask, num_possible_cpus()) {
+		pr_debug("clamping worker for cpu %d alive, destroy\n", i);
+		stop_power_clamp_worker(i);
 	}
 }