yemai/CherryUSB
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix(port/ehci): clear iaad status before set

Browse Source 
Signed-off-by: sakumisu <1203593632@qq.com>
This commit is contained in:
sakumisu
2025-09-27 22:18:10 +08:00
parent bfb55eeb36
commit c25171d69f
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
port/ehci/usb_hc_ehci.c
View File

@@ -1337,6 +1337,7 @@ int usbh_kill_urb(struct usbh_urb *urb)
EHCI_HCOR->usbcmd |= (EHCI_USBCMD_PSEN | EHCI_USBCMD_ASEN);
qh = (struct ehci_qh_hw *)urb->hcpriv;
qh->remove_in_iaad = 0;
urb->errorcode = -USB_ERR_SHUTDOWN;
if (urb->timeout) {
@@ -1347,6 +1348,7 @@ int usbh_kill_urb(struct usbh_urb *urb)
if (remove_in_iaad) {
volatile uint32_t timeout = 0;
EHCI_HCOR->usbsts = EHCI_USBSTS_IAA;
EHCI_HCOR->usbcmd |= EHCI_USBCMD_IAAD;
while (!(EHCI_HCOR->usbsts & EHCI_USBSTS_IAA)) {
timeout++;