PERFORCE change 113561 for review
Hans Petter Selasky
hselasky at FreeBSD.org
Fri Jan 26 13:56:49 UTC 2007
http://perforce.freebsd.org/chv.cgi?CH=113561
Change 113561 by hselasky at hselasky_mini_itx on 2007/01/26 13:56:26
Lower EHCI interrupt delay to increase performance.
Affected files ...
.. //depot/projects/usb/src/sys/dev/usb/ehci.c#23 edit
Differences ...
==== //depot/projects/usb/src/sys/dev/usb/ehci.c#23 (text+ko) ====
@@ -341,7 +341,7 @@
/* turn on controller */
EOWRITE4(sc, EHCI_USBCMD,
- EHCI_CMD_ITC_2 | /* 2 microframes interrupt delay */
+ EHCI_CMD_ITC_1 | /* 1 microframes interrupt delay */
(EOREAD4(sc, EHCI_USBCMD) & EHCI_CMD_FLS_M) |
EHCI_CMD_ASE |
EHCI_CMD_PSE |
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