19 #include <linux/usb/role.h>
128  * struct ci_role_driver - host/gadget role driver
129  * @start: start this role
130  * @stop: stop this role
131  * @suspend: system suspend handler for this role
132  * @resume: system resume handler for this role
133  * @irq: irq handler for this role
134  * @name: role name string (host/gadget)
172  * @role: current role
179  * @work: work for role changing
213  * @mutex: protect code from concorrent running when doing role switch
221 	enum ci_role			role;  member
274 	BUG_ON(ci->role >= CI_ROLE_END || !ci->roles[ci->role]);  in ci_role()
275 	return ci->roles[ci->role];  in ci_role()
278 static inline int ci_role_start(struct ci_hdrc *ci, enum ci_role role)  in ci_role_start()  argument
282 	if (role >= CI_ROLE_END)  in ci_role_start()
285 	if (!ci->roles[role])  in ci_role_start()
288 	ret = ci->roles[role]->start(ci);  in ci_role_start()
292 	ci->role = role;  in ci_role_start()
295 		if (role == CI_ROLE_HOST)  in ci_role_start()
307 	enum ci_role role = ci->role;  in ci_role_stop()  local
309 	if (role == CI_ROLE_END)  in ci_role_stop()
312 	ci->role = CI_ROLE_END;  in ci_role_stop()
314 	ci->roles[role]->stop(ci);  in ci_role_stop()
322 	if (ci->role == CI_ROLE_HOST)  in ci_role_to_usb_role()
324 	else if (ci->role == CI_ROLE_GADGET && ci->vbus_active)  in ci_role_to_usb_role()
330 static inline enum ci_role usb_role_to_ci_role(enum usb_role role)  in usb_role_to_ci_role()  argument
332 	if (role == USB_ROLE_HOST)  in usb_role_to_ci_role()
334 	else if (role == USB_ROLE_DEVICE)  in usb_role_to_ci_role()