After fetching hub descriptor, we need call USB uclass operation
update_hub_device() to notify HCD to do some preparation work.
Signed-off-by: Bin Meng <bmeng...@gmail.com>
---
common/usb_hub.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/common/usb_hub.c b/common/usb_hub.c
index 4911981..2fc544e 100644
--- a/common/usb_hub.c
+++ b/common/usb_hub.c
@@ -782,6 +782,17 @@ static int usb_hub_configure(struct usb_device *dev)
#ifdef CONFIG_DM_USB
/*
+ * Update USB host controller's internal representation of this hub
+ * after the hub descriptor is fetched.
+ */
+ ret = usb_update_hub_device(dev);
+ if (ret < 0 && ret != -ENOSYS) {
+ debug("%s: failed to update hub device for HCD (%x)\n",
+ __func__, ret);
+ return ret;
+ }
+
+ /*
* A maximum of seven tiers are allowed in a USB topology, and the
* root hub occupies the first tier. The last tier ends with a normal
* USB device. USB 3.0 hubs use a 20-bit field called 'route string'
--
2.9.2
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