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USB: Fix EHCI bug if connect with FS or LS device.

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This commit is contained in:
wlf
2014-03-25 18:10:53 +08:00
parent c53fbbf67a
commit f65cb6fc5a
1 changed files with 12 additions and 0 deletions
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12
drivers/usb/host/ehci-hub.c
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@@ -285,6 +285,12 @@ static int ehci_bus_suspend (struct usb_hcd *hcd)
t2 |= PORT_WKOC_E | PORT_WKCONN_E;
}
#ifdef CONFIG_USB_EHCI_RK
/* RK3288 do not support OHCI controller, so clear PORT_OWNER
* here, otherwise EHCI can't be used anymore. wlf@20140325 */
t2 &= ~PORT_OWNER;
#endif
if (t1 != t2) {
ehci_vdbg (ehci, "port %d, %08x -> %08x\n",
port + 1, t1, t2);
@@ -1053,6 +1059,12 @@ static int ehci_hub_control (
ehci_dbg (ehci,
"port %d low speed --> companion\n",
wIndex + 1);
#ifdef CONFIG_USB_EHCI_RK
/* RK3288 do not support OHCI controller, so can't set PORT_OWNER
* here, otherwise EHCI can't be used anymore. wlf@20140325 */
retval = -ENODEV;
break;
#endif
temp |= PORT_OWNER;
} else {
ehci_vdbg (ehci, "port %d reset\n", wIndex + 1);