From 9ca1b4bab10d8b3a5dbbbd98df46ce75159222b8 Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Wed, 19 Jul 2017 21:51:17 +0800 Subject: dm: usb: Add a new USB controller operation 'update_hub_device' For USB host controllers like xHC, its internal representation of hub needs to be updated after the hub descriptor is fetched. This adds a new op that does this. Signed-off-by: Bin Meng Reviewed-by: Simon Glass --- include/usb.h | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) (limited to 'include/usb.h') diff --git a/include/usb.h b/include/usb.h index 58b4549065..fad04016a3 100644 --- a/include/usb.h +++ b/include/usb.h @@ -758,6 +758,14 @@ struct dm_usb_ops { * reset_root_port() - Reset usb root port */ int (*reset_root_port)(struct udevice *bus, struct usb_device *udev); + + /** + * update_hub_device() - Update HCD's internal representation of hub + * + * After a hub descriptor is fetched, notify HCD so that its internal + * representation of this hub can be updated (xHCI) + */ + int (*update_hub_device)(struct udevice *bus, struct usb_device *udev); }; #define usb_get_ops(dev) ((struct dm_usb_ops *)(dev)->driver->ops) @@ -930,6 +938,17 @@ int usb_new_device(struct usb_device *dev); int usb_alloc_device(struct usb_device *dev); +/** + * update_hub_device() - Update HCD's internal representation of hub + * + * After a hub descriptor is fetched, notify HCD so that its internal + * representation of this hub can be updated. + * + * @dev: Hub device + * @return 0 if OK, -ve on error + */ +int usb_update_hub_device(struct usb_device *dev); + /** * usb_emul_setup_device() - Set up a new USB device emulation * @@ -943,7 +962,7 @@ int usb_alloc_device(struct usb_device *dev); * @desc_list: List of points or USB descriptors, terminated by NULL. * The first entry must be struct usb_device_descriptor, * and others follow on after that. - * @return 0 if OK, -ve on error + * @return 0 if OK, -ENOSYS if not implemented, other -ve on error */ int usb_emul_setup_device(struct udevice *dev, int maxpacketsize, struct usb_string *strings, void **desc_list); -- cgit v1.2.3