include/drm/display/drm_dp_aux_bus.h

Source file repositories/reference/linux-study-clean/include/drm/display/drm_dp_aux_bus.h

File Facts

System
Linux kernel
Corpus path
include/drm/display/drm_dp_aux_bus.h
Extension
.h
Size
2504 bytes
Lines
86
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: operation-table or driver-model contract
Status
pattern implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

struct device_driver driver;
};

static inline struct dp_aux_ep_device *to_dp_aux_ep_dev(struct device *dev)
{
	return container_of(dev, struct dp_aux_ep_device, dev);
}

static inline struct dp_aux_ep_driver *to_dp_aux_ep_drv(struct device_driver *drv)
{
	return container_of(drv, struct dp_aux_ep_driver, driver);
}

int of_dp_aux_populate_bus(struct drm_dp_aux *aux,
			   int (*done_probing)(struct drm_dp_aux *aux));
void of_dp_aux_depopulate_bus(struct drm_dp_aux *aux);
int devm_of_dp_aux_populate_bus(struct drm_dp_aux *aux,
				int (*done_probing)(struct drm_dp_aux *aux));

/* Deprecated versions of the above functions. To be removed when no callers. */
static inline int of_dp_aux_populate_ep_devices(struct drm_dp_aux *aux)
{
	int ret;

	ret = of_dp_aux_populate_bus(aux, NULL);

	/* New API returns -ENODEV for no child case; adapt to old assumption */
	return (ret != -ENODEV) ? ret : 0;
}

static inline int devm_of_dp_aux_populate_ep_devices(struct drm_dp_aux *aux)
{
	int ret;

	ret = devm_of_dp_aux_populate_bus(aux, NULL);

	/* New API returns -ENODEV for no child case; adapt to old assumption */
	return (ret != -ENODEV) ? ret : 0;
}

static inline void of_dp_aux_depopulate_ep_devices(struct drm_dp_aux *aux)
{
	of_dp_aux_depopulate_bus(aux);
}

#define dp_aux_dp_driver_register(aux_ep_drv) \
	__dp_aux_dp_driver_register(aux_ep_drv, THIS_MODULE)
int __dp_aux_dp_driver_register(struct dp_aux_ep_driver *aux_ep_drv,
				struct module *owner);
void dp_aux_dp_driver_unregister(struct dp_aux_ep_driver *aux_ep_drv);

#endif /* _DP_AUX_BUS_H_ */

Annotation

Implementation Notes