Messages in this thread Patch in this message | | | From | Roger Quadros <> | Subject | [PATCH v3 05/11] usb: hcd.h: Add OTG to HCD interface | Date | Wed, 8 Jul 2015 13:19:31 +0300 |
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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> --- 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 c9aa779..4108288 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
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