Add helpers pm_generic_runtime_clk_suspend() and pm_generic_clk_runtime_resume(), combining generic runtime PM and generic clock PM. Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> --- drivers/base/power/clock_ops.c | 40 ++++++++++++++++++++++++++++++++++++++++ include/linux/pm_clock.h | 6 ++++++ 2 files changed, 46 insertions(+) diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c index 2d5c9c1eceb1..3cdb9fa2920d 100644 --- a/drivers/base/power/clock_ops.c +++ b/drivers/base/power/clock_ops.c @@ -11,6 +11,7 @@ #include <linux/io.h> #include <linux/pm.h> #include <linux/pm_clock.h> +#include <linux/pm_runtime.h> #include <linux/clk.h> #include <linux/slab.h> #include <linux/err.h> @@ -523,3 +524,42 @@ void pm_clk_add_notifier(struct bus_type *bus, clknb->nb.notifier_call = pm_clk_notify; bus_register_notifier(bus, &clknb->nb); } + +/** + * pm_generic_runtime_clk_suspend - Generic runtime suspend and clock disable + * callback for subsystems. + * @dev: Device to resume. + */ +int pm_generic_runtime_clk_suspend(struct device *dev) +{ + int ret; + + dev_dbg(dev, "%s\n", __func__); + + ret = pm_generic_runtime_suspend(dev); + if (ret) + return ret; + + ret = pm_clk_suspend(dev); + if (ret) { + pm_generic_runtime_resume(dev); + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(pm_generic_runtime_clk_suspend); + +/** + * pm_generic_clk_runtime_resume - Generic clock enable and runtime resume + * callback for subsystems. + * @dev: Device to resume. + */ +int pm_generic_clk_runtime_resume(struct device *dev) +{ + dev_dbg(dev, "%s\n", __func__); + + pm_clk_resume(dev); + return pm_generic_runtime_resume(dev); +} +EXPORT_SYMBOL_GPL(pm_generic_clk_runtime_resume); diff --git a/include/linux/pm_clock.h b/include/linux/pm_clock.h index 6981aa288c45..bf1e4d09a0ca 100644 --- a/include/linux/pm_clock.h +++ b/include/linux/pm_clock.h @@ -35,6 +35,8 @@ extern int pm_clk_add_clk(struct device *dev, struct clk *clk); extern void pm_clk_remove(struct device *dev, const char *con_id); extern int pm_clk_suspend(struct device *dev); extern int pm_clk_resume(struct device *dev); +extern int pm_generic_runtime_clk_suspend(struct device *dev); +extern int pm_generic_clk_runtime_resume(struct device *dev); #else static inline bool pm_clk_no_clocks(struct device *dev) { @@ -59,6 +61,10 @@ static inline void pm_clk_remove(struct device *dev, const char *con_id) } #define pm_clk_suspend NULL #define pm_clk_resume NULL +static inline int pm_generic_runtime_clk_suspend(struct device *dev) + { return 0; } +static inline int pm_generic_clk_runtime_resume(struct device *dev) + { return 0; } #endif #ifdef CONFIG_HAVE_CLK -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html