Commit 2b5630e9 authored by Saravana Kannan's avatar Saravana Kannan Committed by Ulf Hansson
Browse files

driver core: Add dev_set_drv_sync_state() 



This can be used by frameworks to set the sync_state() helper functions
for drivers that don't already have them set.

Signed-off-by: default avatarSaravana Kannan <saravanak@google.com>
Acked-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: default avatarAbel Vesa <abel.vesa@linaro.org>
Tested-by: Hiago De Franco <hiago.franco@toradex.com> # Colibri iMX8X
Tested-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> # TI AM62A,Xilinx ZynqMP ZCU106
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20250701114733.636510-20-ulf.hansson@linaro.org
parent 3b7b8aca

include/linux/device.h

+12 −0
Original line number Diff line number Diff line
@@ -917,6 +917,18 @@ static inline bool dev_has_sync_state(struct device *dev) 
	return false;

}



static inline int dev_set_drv_sync_state(struct device *dev,

					 void (*fn)(struct device *dev))

{

	if (!dev || !dev->driver)

		return 0;

	if (dev->driver->sync_state && dev->driver->sync_state != fn)

		return -EBUSY;

	if (!dev->driver->sync_state)

		dev->driver->sync_state = fn;

	return 0;

}



static inline void dev_set_removable(struct device *dev,

				     enum device_removable removable)

{