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df8b030d82
Allow HID drivers to pass ->suspend, ->resume and ->reset_resume via pm_ptr(). Through the usage of pm_ptr() the CONFIG_PM-dependent code will always be compiled, protecting against bitrot. The linker will then garbage-collect the unused function avoiding any overhead. The only overhead in the final kernel image and at runtime are a few extra bytes in 'struct hid_driver'. The same approach is chosen by 'struct usb_driver' and other subsystems. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Link: https://lore.kernel.org/r/20231012-hid-pm_ptr-v1-1-0a71531ca93b@weissschuh.net Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>