Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753352AbaBXINH (ORCPT ); Mon, 24 Feb 2014 03:13:07 -0500 Received: from mx.mmd.net ([80.83.0.3]:55414 "EHLO mx.mmd.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752909AbaBXIND (ORCPT ); Mon, 24 Feb 2014 03:13:03 -0500 From: Tuukka Tikkanen To: linux-pm@vger.kernel.org, rjw@rjwysocki.net Cc: daniel.lezcano@linaro.org, tuukka.tikkanen@linaro.org, linux-kernel@vger.kernel.org Subject: [PATCH 7/7] Cpuidle: poll state can measure residency Date: Mon, 24 Feb 2014 08:29:37 +0200 Message-Id: <1393223377-5744-8-git-send-email-tuukka.tikkanen@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1393223377-5744-1-git-send-email-tuukka.tikkanen@linaro.org> References: <1393223377-5744-1-git-send-email-tuukka.tikkanen@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For some platforms, a poll state is inserted in the cpuidle driver states. The flags for the state do not indicate that timekeeping is not affected. As the state does not do anything apart from calling cpu_relax(), the times returned by ktime_get should remain valid. Add the missing flag. Signed-off-by: Tuukka Tikkanen --- drivers/cpuidle/driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c index 06dbe7c..136d6a2 100644 --- a/drivers/cpuidle/driver.c +++ b/drivers/cpuidle/driver.c @@ -209,7 +209,7 @@ static void poll_idle_init(struct cpuidle_driver *drv) state->exit_latency = 0; state->target_residency = 0; state->power_usage = -1; - state->flags = 0; + state->flags = CPUIDLE_FLAG_TIME_VALID; state->enter = poll_idle; state->disabled = false; } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/