Author: hselasky
Date: Thu Oct 14 21:26:06 2010
New Revision: 213864
URL: http://svn.freebsd.org/changeset/base/213864
Log:
Avoid using endless retransmission at EHCI hardware level, hence this hide
errors from the applications. Only use endless retransmission while in the
non-addressed state on a High-Speed device.
Approved by: thompsa (mentor)
Modified:
head/sys/dev/usb/controller/ehci.c
Modified: head/sys/dev/usb/controller/ehci.c
==============================================================================
--- head/sys/dev/usb/controller/ehci.c Thu Oct 14 21:19:08 2010
(r213863)
+++ head/sys/dev/usb/controller/ehci.c Thu Oct 14 21:26:06 2010
(r213864)
@@ -1860,7 +1860,8 @@ ehci_setup_standard_chain(struct usb_xfe
temp.auto_data_toggle = 1;
}
- if (usbd_get_speed(xfer->xroot->udev) != USB_SPEED_HIGH) {
+ if (xfer->xroot->udev->parent_hs_hub != NULL ||
+ xfer->xroot->udev->address != 0) {
/* max 3 retries */
temp.qtd_status |=
htohc32(temp.sc, EHCI_QTD_SET_CERR(3));
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