pm: Guard all PM APIs (ff4dee17) · Commits · Wenxi XU / zephyr

subsys/pm/device.c

+22 −0

Original line number	Diff line number	Diff line
		@@ -172,6 +172,9 @@ bool pm_device_is_any_busy(void)
		devc = z_device_get_all_static(&devs);

		for (const struct device *dev = devs; dev < (devs + devc); dev++) {
		if (dev->pm_control == NULL) {
		continue;
		}
		if (atomic_test_bit(&dev->pm->flags, PM_DEVICE_FLAG_BUSY)) {
		return true;
		}
		@@ -182,16 +185,25 @@ bool pm_device_is_any_busy(void)

		bool pm_device_is_busy(const struct device *dev)
		{
		if (dev->pm_control == NULL) {
		return false;
		}
		return atomic_test_bit(&dev->pm->flags, PM_DEVICE_FLAG_BUSY);
		}

		void pm_device_busy_set(const struct device *dev)
		{
		if (dev->pm_control == NULL) {
		return;
		}
		atomic_set_bit(&dev->pm->flags, PM_DEVICE_FLAG_BUSY);
		}

		void pm_device_busy_clear(const struct device *dev)
		{
		if (dev->pm_control == NULL) {
		return;
		}
		atomic_clear_bit(&dev->pm->flags, PM_DEVICE_FLAG_BUSY);
		}

		@@ -199,6 +211,10 @@ bool pm_device_wakeup_enable(struct device *dev, bool enable)
		{
		atomic_val_t flags, new_flags;

		if (dev->pm_control == NULL) {
		return false;
		}

		flags = atomic_get(&dev->pm->flags);

		if ((flags & BIT(PM_DEVICE_FLAGS_WS_CAPABLE)) == 0U) {
		@@ -217,12 +233,18 @@ bool pm_device_wakeup_enable(struct device *dev, bool enable)

		bool pm_device_wakeup_is_enabled(const struct device *dev)
		{
		if (dev->pm_control == NULL) {
		return false;
		}
		return atomic_test_bit(&dev->pm->flags,
		PM_DEVICE_FLAGS_WS_ENABLED);
		}

		bool pm_device_wakeup_is_capable(const struct device *dev)
		{
		if (dev->pm_control == NULL) {
		return false;
		}
		return atomic_test_bit(&dev->pm->flags,
		PM_DEVICE_FLAGS_WS_CAPABLE);
		}