diff options
| author | Bin Meng | 2017-07-19 21:51:17 +0800 |
|---|---|---|
| committer | Marek Vasut | 2017-07-28 23:34:35 +0200 |
| commit | 9ca1b4bab10d8b3a5dbbbd98df46ce75159222b8 (patch) | |
| tree | f3aade735155e1f61308f6844d4ee0e1e7142c47 /drivers | |
| parent | 5624dfd5aa91c244519ec60b40b4a42b4d9a43ca (diff) | |
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 <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/usb-uclass.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/host/usb-uclass.c b/drivers/usb/host/usb-uclass.c index d8d74bd04bb..0b8a501ce88 100644 --- a/drivers/usb/host/usb-uclass.c +++ b/drivers/usb/host/usb-uclass.c @@ -139,6 +139,17 @@ int usb_reset_root_port(struct usb_device *udev) return ops->reset_root_port(bus, udev); } +int usb_update_hub_device(struct usb_device *udev) +{ + struct udevice *bus = udev->controller_dev; + struct dm_usb_ops *ops = usb_get_ops(bus); + + if (!ops->update_hub_device) + return -ENOSYS; + + return ops->update_hub_device(bus, udev); +} + int usb_stop(void) { struct udevice *bus; |