19 #include <linux/usb/role.h>
127  * struct ci_role_driver - host/gadget role driver
128  * @start: start this role
129  * @stop: stop this role
130  * @suspend: system suspend handler for this role
131  * @resume: system resume handler for this role
132  * @irq: irq handler for this role
133  * @name: role name string (host/gadget)
171  * @role: current role
178  * @work: work for role changing
212  * @mutex: protect code from concorrent running when doing role switch
220 	enum ci_role			role;  member
272 	BUG_ON(ci->role >= CI_ROLE_END || !ci->roles[ci->role]);  in ci_role()
273 	return ci->roles[ci->role];  in ci_role()
276 static inline int ci_role_start(struct ci_hdrc *ci, enum ci_role role)  in ci_role_start()  argument
280 	if (role >= CI_ROLE_END)  in ci_role_start()
283 	if (!ci->roles[role])  in ci_role_start()
286 	ret = ci->roles[role]->start(ci);  in ci_role_start()
290 	ci->role = role;  in ci_role_start()
293 		if (role == CI_ROLE_HOST)  in ci_role_start()
305 	enum ci_role role = ci->role;  in ci_role_stop()  local
307 	if (role == CI_ROLE_END)  in ci_role_stop()
310 	ci->role = CI_ROLE_END;  in ci_role_stop()
312 	ci->roles[role]->stop(ci);  in ci_role_stop()
320 	if (ci->role == CI_ROLE_HOST)  in ci_role_to_usb_role()
322 	else if (ci->role == CI_ROLE_GADGET && ci->vbus_active)  in ci_role_to_usb_role()
328 static inline enum ci_role usb_role_to_ci_role(enum usb_role role)  in usb_role_to_ci_role()  argument
330 	if (role == USB_ROLE_HOST)  in usb_role_to_ci_role()
332 	else if (role == USB_ROLE_DEVICE)  in usb_role_to_ci_role()