From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> To: "Rafael J. Wysocki" <rjw@rjwysocki.net>, Pavel Machek <pavel@ucw.cz>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Stephen Boyd <sboyd@kernel.org>, Taniya Das <tdas@codeaurora.org>, Michael Turquette <mturquette@baylibre.com>, Andy Gross <agross@kernel.org>, Bjorn Andersson <bjorn.andersson@linaro.org> Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH v2 2/5] PM: clk: add devm_pm_clk_create helper Date: Wed, 28 Jul 2021 17:24:42 +0300 [thread overview] Message-ID: <20210728142445.774158-3-dmitry.baryshkov@linaro.org> (raw) In-Reply-To: <20210728142445.774158-1-dmitry.baryshkov@linaro.org> Add devm_pm_clk_create helper, devres-enabled version of the pm_clk_create(), which will call pm_clk_destroy at the correct time. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> --- drivers/base/power/clock_ops.c | 17 +++++++++++++++++ include/linux/pm_clock.h | 5 +++++ 2 files changed, 22 insertions(+) diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c index 0251f3e6e61d..4110c19c08dc 100644 --- a/drivers/base/power/clock_ops.c +++ b/drivers/base/power/clock_ops.c @@ -519,6 +519,23 @@ void pm_clk_destroy(struct device *dev) } EXPORT_SYMBOL_GPL(pm_clk_destroy); +static void pm_clk_destroy_action(void *data) +{ + pm_clk_destroy(data); +} + +int devm_pm_clk_create(struct device *dev) +{ + int ret; + + ret = pm_clk_create(dev); + if (ret) + return ret; + + return devm_add_action_or_reset(dev, pm_clk_destroy_action, dev); +} +EXPORT_SYMBOL_GPL(devm_pm_clk_create); + /** * pm_clk_suspend - Disable clocks in a device's PM clock list. * @dev: Device to disable the clocks for. diff --git a/include/linux/pm_clock.h b/include/linux/pm_clock.h index 8ddc7860e131..ada3a0ab10bf 100644 --- a/include/linux/pm_clock.h +++ b/include/linux/pm_clock.h @@ -47,6 +47,7 @@ extern void pm_clk_remove(struct device *dev, const char *con_id); extern void pm_clk_remove_clk(struct device *dev, struct clk *clk); extern int pm_clk_suspend(struct device *dev); extern int pm_clk_resume(struct device *dev); +extern int devm_pm_clk_create(struct device *dev); #else static inline bool pm_clk_no_clocks(struct device *dev) { @@ -83,6 +84,10 @@ static inline void pm_clk_remove(struct device *dev, const char *con_id) static inline void pm_clk_remove_clk(struct device *dev, struct clk *clk) { } +static inline int devm_pm_clk_create(struct device *dev) +{ + return -EINVAL; +} #endif #ifdef CONFIG_HAVE_CLK -- 2.30.2
next prev parent reply other threads:[~2021-07-28 14:26 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-28 14:24 [PATCH v2 0/5] PM: add two devres helpers and use them in qcom cc Dmitry Baryshkov 2021-07-28 14:24 ` [PATCH v2 1/5] PM: runtime: add devm_pm_runtime_enable helper Dmitry Baryshkov 2021-07-28 20:04 ` Bjorn Andersson 2021-07-28 14:24 ` Dmitry Baryshkov [this message] 2021-07-28 20:05 ` [PATCH v2 2/5] PM: clk: add devm_pm_clk_create helper Bjorn Andersson 2021-07-28 14:24 ` [PATCH v2 3/5] clk: qcom: use devm_pm_runtime_enable and devm_pm_clk_create Dmitry Baryshkov 2021-07-28 15:00 ` Bjorn Andersson 2021-07-29 14:28 ` Dmitry Baryshkov 2021-07-28 14:24 ` [PATCH v2 4/5] clk: qcom: use common code for qcom_cc_probe_by_index Dmitry Baryshkov 2021-07-28 14:24 ` [PATCH v2 5/5] clk: qcom: move pm_clk functionality into common code Dmitry Baryshkov
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