Commit a6b0373f authored Nov 22, 2019 by Linus Torvalds

linux-pm

Pull power management regression fix from Rafael Wysocki:
 "Fix problems with switching cpufreq drivers on some x86 systems with
  ACPI (and with changing the operation modes of the intel_pstate driver
  on those systems) introduced by recent changes related to the
  management of frequency limits in cpufreq"

* tag 'pm-5.4-final' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM: QoS: Invalidate frequency QoS requests after removal

parents 5d867ab0 05ff1ba4

kernel/power/qos.c

+7 −1

Original line number	Diff line number	Diff line
		@@ -814,6 +814,8 @@ EXPORT_SYMBOL_GPL(freq_qos_update_request);
		*/
		int freq_qos_remove_request(struct freq_qos_request *req)
		{
		int ret;

		if (!req)
		return -EINVAL;

		@@ -821,7 +823,11 @@ int freq_qos_remove_request(struct freq_qos_request *req)
		"%s() called for unknown object\n", __func__))
		return -EINVAL;

		return freq_qos_apply(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE);
		ret = freq_qos_apply(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE);
		req->qos = NULL;
		req->type = 0;

		return ret;
		}
		EXPORT_SYMBOL_GPL(freq_qos_remove_request);

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