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find roothub port to check if device is connecting

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sakumisu 2023-11-24 21:09:37 +08:00
parent 8ae4453ca4
commit 8e0c5b4e7e
1 changed files with 12 additions and 2 deletions
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14
port/ehci/usb_hc_ehci.c
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@ -1081,12 +1081,22 @@ int usbh_submit_urb(struct usbh_urb *urb)
struct ehci_qh_hw *qh = NULL;
size_t flags;
int ret = 0;
struct usbh_hub *hub;
struct usbh_hubport *hport;
if (!urb || !urb->hport || !urb->ep) {
return -EINVAL;
}
if (!urb->hport->connected) {
/* find active hubport in roothub */
hport = urb->hport;
hub = urb->hport->parent;
while (!hub->is_roothub) {
hport = hub->parent;
hub = hub->parent->parent;
}
if (!urb->hport->connected || !(EHCI_HCOR->portsc[hport->port -1] & EHCI_PORTSC_CCS)) {
return -ENODEV;
}
@ -1141,7 +1151,7 @@ int usbh_submit_urb(struct usbh_urb *urb)
}
urb->timeout = 0;
ret = urb->errorcode;
/* we should free qh when waitsem is done */
/* we can free qh when waitsem is done */
ehci_qh_free(qh);
}
return ret;