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From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Rob Herring <robh+dt@kernel.org>, Stephen Boyd <sboyd@kernel.org>,
	Taniya Das <tdas@codeaurora.org>,
	Jonathan Marek <jonathan@marek.ca>,
	Michael Turquette <mturquette@baylibre.com>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-clk@vger.kernel.org,
	Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
	Mark Brown <broonie@kernel.org>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	linux-kernel@vger.kernel.org
Subject: [PATCH v5 3/9] PM: runtime: add devm_pm_runtime_enable helper
Date: Sun, 18 Jul 2021 13:48:55 +0300	[thread overview]
Message-ID: <20210718104901.454843-4-dmitry.baryshkov@linaro.org> (raw)
In-Reply-To: <20210718104901.454843-1-dmitry.baryshkov@linaro.org>

Add helper function handling typical driver action: call
pm_runtime_enable at the probe() time and disable it during remove().

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/base/power/runtime.c | 17 +++++++++++++++++
 include/linux/pm_runtime.h   |  4 ++++
 2 files changed, 21 insertions(+)

diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 8a66eaf731e4..ec94049442b9 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -1447,6 +1447,23 @@ void pm_runtime_enable(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(pm_runtime_enable);
 
+static void pm_runtime_disable_action(void *data)
+{
+	pm_runtime_disable(data);
+}
+
+/**
+ * devm_pm_runtime_enable - devres-enabled version of pm_runtime_enable.
+ * @dev: Device to handle.
+ */
+int devm_pm_runtime_enable(struct device *dev)
+{
+	pm_runtime_enable(dev);
+
+	return devm_add_action_or_reset(dev, pm_runtime_disable_action, dev);
+}
+EXPORT_SYMBOL_GPL(devm_pm_runtime_enable);
+
 /**
  * pm_runtime_forbid - Block runtime PM of a device.
  * @dev: Device to handle.
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index aab8b35e9f8a..222da43b7096 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -59,6 +59,8 @@ extern void pm_runtime_put_suppliers(struct device *dev);
 extern void pm_runtime_new_link(struct device *dev);
 extern void pm_runtime_drop_link(struct device_link *link);
 
+extern int devm_pm_runtime_enable(struct device *dev);
+
 /**
  * pm_runtime_get_if_in_use - Conditionally bump up runtime PM usage counter.
  * @dev: Target device.
@@ -253,6 +255,8 @@ static inline void __pm_runtime_disable(struct device *dev, bool c) {}
 static inline void pm_runtime_allow(struct device *dev) {}
 static inline void pm_runtime_forbid(struct device *dev) {}
 
+static inline int devm_pm_runtime_enable(struct device *dev) { return 0; }
+
 static inline void pm_suspend_ignore_children(struct device *dev, bool enable) {}
 static inline void pm_runtime_get_noresume(struct device *dev) {}
 static inline void pm_runtime_put_noidle(struct device *dev) {}
-- 
2.30.2


  parent reply	other threads:[~2021-07-18 10:49 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-18 10:48 [PATCH v5 0/6] clk: qcom: use power-domain for sm8250's clock controllers Dmitry Baryshkov
2021-07-18 10:48 ` [PATCH v5 1/9] dt-bindings: clock: qcom,dispcc-sm8x50: add mmcx power domain Dmitry Baryshkov
2021-07-18 10:48 ` [PATCH v5 2/9] dt-bindings: clock: qcom,videocc: " Dmitry Baryshkov
2021-07-18 10:48 ` Dmitry Baryshkov [this message]
2021-07-22 10:26   ` [PATCH v5 3/9] PM: runtime: add devm_pm_runtime_enable helper Ulf Hansson
2021-07-27 20:12     ` Dmitry Baryshkov
2021-07-18 10:48 ` [PATCH v5 4/9] clk: qcom: dispcc-sm8250: use runtime PM for the clock controller Dmitry Baryshkov
2021-07-18 10:48 ` [PATCH v5 5/9] clk: qcom: videocc-sm8250: " Dmitry Baryshkov
2021-07-18 10:48 ` [PATCH v5 6/9] clk: qcom: gdsc: enable optional power domain support Dmitry Baryshkov
2021-07-18 10:48 ` [PATCH v5 7/9] arm64: dts: qcom: sm8250: remove mmcx regulator Dmitry Baryshkov
2021-07-18 10:49 ` [PATCH v5 8/9] clk: qcom: dispcc-sm8250: stop using " Dmitry Baryshkov
2021-07-18 10:49 ` [PATCH v5 9/9] clk: qcom: videocc-sm8250: " Dmitry Baryshkov

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