diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2017-07-19 13:51:11 (GMT) |
|---|---|---|
| committer | Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> | 2017-08-08 08:42:23 (GMT) |
| commit | 8f967498d9f7fb19167445fd32be0fc48018edb7 (patch) | |
| tree | ffd9bded300ed27220192052f733eb7294ca888b /common | |
| parent | 7b23d9c59fe85db47b3be25ee0da72b1d9d9f022 (diff) | |
| download | u-boot-8f967498d9f7fb19167445fd32be0fc48018edb7.tar.xz | |
usb: hub: Add a new API to test if a hub device is root hub
Sometimes we need know if a given hub device is root hub or not.
Add a new API to test this. This removes the xHCI driver's own
version is_root_hub() and change to use the new API.
While we are here, remove the unused/commented out get_usb_device()
in the xHCI driver too.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'common')
| -rw-r--r-- | common/usb_hub.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/common/usb_hub.c b/common/usb_hub.c index 086b155..a8c2f56 100644 --- a/common/usb_hub.c +++ b/common/usb_hub.c @@ -67,6 +67,16 @@ static inline bool usb_hub_is_superspeed(struct usb_device *hdev) return hdev->descriptor.bDeviceProtocol == 3; } +#ifdef CONFIG_DM_USB +bool usb_hub_is_root_hub(struct udevice *hub) +{ + if (device_get_uclass_id(hub->parent) != UCLASS_USB_HUB) + return true; + + return false; +} +#endif + static int usb_get_hub_descriptor(struct usb_device *dev, void *data, int size) { unsigned short dtype = USB_DT_HUB; |