driver-core: Allow additional parameters for module_driver (cd494618) · Commits · 戴 / test

Allow module_driver take additional parameters which will be passed to the register and unregister function calls. This allows it to be used in cases where additional parameters are required (e.g. usb_serial_register_drivers). Signed-off-by:

Lars-Peter Clausen <lars@metafoo.de> Signed-off-by:

Greg Kroah-Hartman <gregkh@linuxfoundation.org>

include/linux/device.h

+4 −3

Original line number	Diff line number	Diff line
		@@ -1007,19 +1007,20 @@ extern long sysfs_deprecated;
		* @__driver: driver name
		* @__register: register function for this driver type
		* @__unregister: unregister function for this driver type
		* @...: Additional arguments to be passed to __register and __unregister.
		*
		* Use this macro to construct bus specific macros for registering
		* drivers, and do not use it on its own.
		*/
		#define module_driver(__driver, __register, __unregister) \
		#define module_driver(__driver, __register, __unregister, ...) \
		static int __init __driver##_init(void) \
		{ \
		return __register(&(__driver)); \
		return __register(&(__driver) , ##__VA_ARGS__); \
		} \
		module_init(__driver##_init); \
		static void __exit __driver##_exit(void) \
		{ \
		__unregister(&(__driver)); \
		__unregister(&(__driver) , ##__VA_ARGS__); \
		} \
		module_exit(__driver##_exit);

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