On 20/04/16 18:11, Kevin Hilman wrote: > Jon Hunter <jonathanh@xxxxxxxxxx> writes: > >> Some IRQ chips may be located in a power domain outside of the CPU >> subsystem and hence will require device specific runtime power >> management. In order to support such IRQ chips, add a pointer for a >> device structure to the irq_chip structure, and if this pointer is >> populated by the IRQ chip driver and CONFIG_PM is selected in the kernel >> configuration, then the pm_runtime_get/put APIs for this chip will be >> called when an IRQ is requested/freed, respectively. >> >> Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx> > > [...] > >> @@ -1891,10 +1906,18 @@ int setup_percpu_irq(unsigned int irq, struct irqaction *act) >> >> if (!desc || !irq_settings_is_per_cpu_devid(desc)) >> return -EINVAL; >> + >> + retval = irq_chip_pm_get(&desc->irq_data); >> + if (retval < 0) >> + return retval; >> + >> chip_bus_lock(desc); >> retval = __setup_irq(irq, desc, act); >> chip_bus_sync_unlock(desc); >> >> + if (retval) >> + irq_chip_pm_get(&desc->irq_data); >> + > > Shouldn't this one be a _put() ? Good grief! Yes it should. Sorry, will fix :-( > Otherwise, LGTM > > Reviewed-by: Kevin Hilman <khilman@xxxxxxxxxxxx> Thanks! Jon -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
