[PATCH 37/75] headers: add DEFINE_SIMPLE_DEV_PM_OPS

From: Felix Fietkau <[email protected]>

Signed-off-by: Felix Fietkau <[email protected]>
---
 backport/backport-include/linux/pm.h | 30 ++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/backport/backport-include/linux/pm.h b/backport/backport-include/linux/pm.h
index 926b0bf1..24d760fa 100644
--- a/backport/backport-include/linux/pm.h
+++ b/backport/backport-include/linux/pm.h
@@ -14,4 +14,34 @@
 #define PMSG_IS_AUTO(msg)	(((msg).event & PM_EVENT_AUTO) != 0)
 #endif
 
+#ifndef DEFINE_SIMPLE_DEV_PM_OPS
+
+#define pm_sleep_ptr(_ptr) (IS_ENABLED(CONFIG_PM_SLEEP) ? (_ptr) : NULL)
+
+#define SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
+	.suspend = pm_sleep_ptr(suspend_fn), \
+	.resume = pm_sleep_ptr(resume_fn), \
+	.freeze = pm_sleep_ptr(suspend_fn), \
+	.thaw = pm_sleep_ptr(resume_fn), \
+	.poweroff = pm_sleep_ptr(suspend_fn), \
+	.restore = pm_sleep_ptr(resume_fn),
+
+#define RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
+	.runtime_suspend = suspend_fn, \
+	.runtime_resume = resume_fn, \
+	.runtime_idle = idle_fn,
+
+#define _DEFINE_DEV_PM_OPS(name, \
+			   suspend_fn, resume_fn, \
+			   runtime_suspend_fn, runtime_resume_fn, idle_fn) \
+const struct dev_pm_ops name = { \
+	SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
+	RUNTIME_PM_OPS(runtime_suspend_fn, runtime_resume_fn, idle_fn) \
+}
+
+#define DEFINE_SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
+	_DEFINE_DEV_PM_OPS(name, suspend_fn, resume_fn, NULL, NULL, NULL)
+
+#endif
+
 #endif /* __BACKPORT_PM_H */
-- 
2.45.2