3  * Intel XHCI (Cherry Trail, Broxton and others) USB OTG role switch driver
23 #include <linux/usb/role.h>
56 				   enum usb_role role)  in intel_xhci_usb_set_role()  argument
80 	 * SW_SWITCH_EN bits to be zero for role switch,  in intel_xhci_usb_set_role()
84 	switch (role) {  in intel_xhci_usb_set_role()
116 		if (!!(val & HOST_MODE) == (role == USB_ROLE_HOST)) {  in intel_xhci_usb_set_role()
127 	dev_warn(data->dev, "Timeout waiting for role-switch\n");  in intel_xhci_usb_set_role()
134 	enum usb_role role;  in intel_xhci_usb_get_role()  local
142 		role = USB_ROLE_HOST;  in intel_xhci_usb_get_role()
144 		role = USB_ROLE_DEVICE;  in intel_xhci_usb_get_role()
146 		role = USB_ROLE_NONE;  in intel_xhci_usb_get_role()
148 	return role;  in intel_xhci_usb_get_role()
226 MODULE_DESCRIPTION("Intel XHCI USB role switch driver");