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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