Author: hselasky
Date: Tue Feb 17 07:52:50 2015
New Revision: 278883
URL: https://svnweb.freebsd.org/changeset/base/278883
Log:
Try to resolve infinite interrupts by clearing an undocumented
interrupt status bit. According to the UHCI controller specification
the host controller halted interrupt is non-maskable.
PR: 156596
Tested by: adrian @
MFC after: 1 week
Modified:
head/sys/dev/usb/controller/uhci.c
Modified: head/sys/dev/usb/controller/uhci.c
==============================================================================
--- head/sys/dev/usb/controller/uhci.c Tue Feb 17 05:36:16 2015
(r278882)
+++ head/sys/dev/usb/controller/uhci.c Tue Feb 17 07:52:50 2015
(r278883)
@@ -1476,7 +1476,8 @@ uhci_interrupt(uhci_softc_t *sc)
UHCI_STS_USBEI |
UHCI_STS_RD |
UHCI_STS_HSE |
- UHCI_STS_HCPE);
+ UHCI_STS_HCPE |
+ UHCI_STS_HCH);
if (status == 0) {
/* nothing to acknowledge */
_______________________________________________
svn-src-head@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
