Messages in this thread Patch in this message |  | | From | Roger Quadros <> | Subject | [PATCH v4 05/13] usb: hcd.h: Add OTG to HCD interface | Date | Mon, 24 Aug 2015 16:21:16 +0300 |
| |
The OTG core will use struct otg_hcd_ops to add/remove the HCD controller.
The main purpose of this interface is to avoid directly calling usb_add/remove_hcd() from the OTG core as they wouldn't be defined in the built-in symbol table if CONFIG_USB is m.
Signed-off-by: Roger Quadros <rogerq@ti.com> Reviewed-by: Peter Chen <peter.chen@freescale.com> --- include/linux/usb/hcd.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index d2784c1..27d78b1 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -386,6 +386,20 @@ struct hc_driver { }; +/** + * struct otg_hcd_ops - Interface between OTG core and HCD + * + * Provided by the HCD core to allow the OTG core to start/stop the HCD + * + * @add: function to add the HCD + * @remove: function to remove the HCD + */ +struct otg_hcd_ops { + int (*add)(struct usb_hcd *hcd, + unsigned int irqnum, unsigned long irqflags); + void (*remove)(struct usb_hcd *hcd); +}; + static inline int hcd_giveback_urb_in_bh(struct usb_hcd *hcd) { return hcd->driver->flags & HCD_BH; -- 2.1.4
|  |