Messages in this thread | | | Date | Mon, 15 Sep 2014 10:57:24 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [PATCH v3 1/4] PM / Runtime: Add getter for quering the IRQ safe option |
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On Mon, 15 Sep 2014, Krzysztof Kozlowski wrote:
> Add a simple getter pm_runtime_is_irq_safe() for quering whether runtime > PM IRQ safe was set or not. > > Various bus drivers implementing runtime PM may use choose to suspend > differently based on IRQ safeness status of child driver (e.g. do not > unprepare the clock if IRQ safe is not set). > > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> > --- > include/linux/pm_runtime.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h > index 367f49b9a1c9..44d74f0f182e 100644 > --- a/include/linux/pm_runtime.h > +++ b/include/linux/pm_runtime.h > @@ -128,6 +128,11 @@ static inline void pm_runtime_mark_last_busy(struct device *dev) > ACCESS_ONCE(dev->power.last_busy) = jiffies; > } > > +static inline bool pm_runtime_is_irq_safe(struct device *dev) > +{ > + return dev->power.irq_safe; > +} > +
If you add something to the runtime PM API, you must update the documentation file (Documentation/power/runtime_pm.txt) correspondingly.
Alan Stern
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