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[RFC,v1,1/2] PM: Introduce export macros for _SIMPLE_ variants of _PM_OPS()

Message ID 20230913074032.27927-2-raag.jadav@intel.com (mailing list archive)
State RFC, archived
Headers show
Series Fix symbol export for _SIMPLE_ variants of _PM_OPS() | expand

Commit Message

Raag Jadav Sept. 13, 2023, 7:40 a.m. UTC 
Introduce a new set of export macros for _SIMPLE_ variants of _PM_OPS(),
which export dev_pm_ops symbol only in case CONFIG_PM_SLEEP=y and discard
it otherwise.

Fixes: 34e1ed189fab ("PM: Improve EXPORT_*_DEV_PM_OPS macros")
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
---
 include/linux/pm.h | 43 +++++++++++++++++++++++++++++--------------
 1 file changed, 29 insertions(+), 14 deletions(-)
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Patch

diff --git a/include/linux/pm.h b/include/linux/pm.h
index 1400c37b29c7..ae9b4f26d56a 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -374,24 +374,39 @@  const struct dev_pm_ops name = { \
 	RUNTIME_PM_OPS(runtime_suspend_fn, runtime_resume_fn, idle_fn) \
 }
 
-#ifdef CONFIG_PM
-#define _EXPORT_DEV_PM_OPS(name, license, ns)				\
+#define _EXPORT_PM_OPS(name, license, ns)				\
 	const struct dev_pm_ops name;					\
 	__EXPORT_SYMBOL(name, license, ns);				\
 	const struct dev_pm_ops name
-#define EXPORT_PM_FN_GPL(name)		EXPORT_SYMBOL_GPL(name)
-#define EXPORT_PM_FN_NS_GPL(name, ns)	EXPORT_SYMBOL_NS_GPL(name, ns)
-#else
-#define _EXPORT_DEV_PM_OPS(name, license, ns)				\
+
+#define _PM_OPS(name, license, ns)					\
 	static __maybe_unused const struct dev_pm_ops __static_##name
+
+#ifdef CONFIG_PM
+#define _EXPORT_RUNTIME_PM_OPS(name, license, ns)	_EXPORT_PM_OPS(name, license, ns)
+#define EXPORT_PM_FN_GPL(name)				EXPORT_SYMBOL_GPL(name)
+#define EXPORT_PM_FN_NS_GPL(name, ns)			EXPORT_SYMBOL_NS_GPL(name, ns)
+#else
+#define _EXPORT_RUNTIME_PM_OPS(name, license, ns)	_PM_OPS(name, license, ns)
 #define EXPORT_PM_FN_GPL(name)
 #define EXPORT_PM_FN_NS_GPL(name, ns)
 #endif
 
-#define EXPORT_DEV_PM_OPS(name) _EXPORT_DEV_PM_OPS(name, "", "")
-#define EXPORT_GPL_DEV_PM_OPS(name) _EXPORT_DEV_PM_OPS(name, "GPL", "")
-#define EXPORT_NS_DEV_PM_OPS(name, ns) _EXPORT_DEV_PM_OPS(name, "", #ns)
-#define EXPORT_NS_GPL_DEV_PM_OPS(name, ns) _EXPORT_DEV_PM_OPS(name, "GPL", #ns)
+#ifdef CONFIG_PM_SLEEP
+#define _EXPORT_SIMPLE_PM_OPS(name, license, ns)	_EXPORT_PM_OPS(name, license, ns)
+#else
+#define _EXPORT_SIMPLE_PM_OPS(name, license, ns)	_PM_OPS(name, license, ns)
+#endif
+
+#define EXPORT_DEV_PM_OPS(name)				_EXPORT_RUNTIME_PM_OPS(name, "", "")
+#define EXPORT_GPL_DEV_PM_OPS(name)			_EXPORT_RUNTIME_PM_OPS(name, "GPL", "")
+#define EXPORT_NS_DEV_PM_OPS(name, ns)			_EXPORT_RUNTIME_PM_OPS(name, "", #ns)
+#define EXPORT_NS_GPL_DEV_PM_OPS(name, ns)		_EXPORT_RUNTIME_PM_OPS(name, "GPL", #ns)
+
+#define EXPORT_SIMPLE_PM_OPS(name)			_EXPORT_SIMPLE_PM_OPS(name, "", "")
+#define EXPORT_GPL_SIMPLE_PM_OPS(name)			_EXPORT_SIMPLE_PM_OPS(name, "GPL", "")
+#define EXPORT_NS_DEV_SIMPLE_OPS(name, ns)		_EXPORT_SIMPLE_PM_OPS(name, "", #ns)
+#define EXPORT_NS_GPL_SIMPLE_PM_OPS(name, ns)		_EXPORT_SIMPLE_PM_OPS(name, "GPL", #ns)
 
 /*
  * Use this if you want to use the same suspend and resume callbacks for suspend
@@ -404,19 +419,19 @@  const struct dev_pm_ops name = { \
 	_DEFINE_DEV_PM_OPS(name, suspend_fn, resume_fn, NULL, NULL, NULL)
 
 #define EXPORT_SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
-	EXPORT_DEV_PM_OPS(name) = { \
+	EXPORT_SIMPLE_PM_OPS(name) = { \
 		SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
 	}
 #define EXPORT_GPL_SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
-	EXPORT_GPL_DEV_PM_OPS(name) = { \
+	EXPORT_GPL_SIMPLE_PM_OPS(name) = { \
 		SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
 	}
 #define EXPORT_NS_SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn, ns)	\
-	EXPORT_NS_DEV_PM_OPS(name, ns) = { \
+	EXPORT_NS_SIMPLE_PM_OPS(name, ns) = { \
 		SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
 	}
 #define EXPORT_NS_GPL_SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn, ns)	\
-	EXPORT_NS_GPL_DEV_PM_OPS(name, ns) = { \
+	EXPORT_NS_GPL_SIMPLE_PM_OPS(name, ns) = { \
 		SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
 	}