forked from Minki/linux
7be2958e97
Add runtime PM support to the ARM PMU driver so that devices such as OMAP supporting dynamic PM can use the platform->runtime_* hooks to initialise hardware at runtime. Without having these runtime PM hooks in place any configuration of the PMU hardware would be lost when low power states are entered and hence would prevent PMU from working. This change also replaces the PMU platform functions enable_irq and disable_irq added by Ming Lei with runtime_resume and runtime_suspend funtions. Ming had added the enable_irq and disable_irq functions as a method to configure the cross trigger interface on OMAP4 for routing the PMU interrupts. By adding runtime PM support, we can move the code called by enable_irq and disable_irq into the runtime PM callbacks runtime_resume and runtime_suspend. Cc: Ming Lei <ming.lei@canonical.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Paul Walmsley <paul@pwsan.com> Cc: Kevin Hilman <khilman@ti.com> Signed-off-by: Jon Hunter <jon-hunter@ti.com> Signed-off-by: Will Deacon <will.deacon@arm.com> |
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