svn commit: r261004 - head/sys/dev/usb/controller

Hans Petter Selasky hselasky at FreeBSD.org
Wed Jan 22 07:32:56 UTC 2014


Author: hselasky
Date: Wed Jan 22 07:32:55 2014
New Revision: 261004
URL: http://svnweb.freebsd.org/changeset/base/261004

Log:
  Wait a bit more before we free any EHCI DMA descriptors. Some USB
  controllers need more time than others.
  
  MFC after:	1 week

Modified:
  head/sys/dev/usb/controller/ehci.c

Modified: head/sys/dev/usb/controller/ehci.c
==============================================================================
--- head/sys/dev/usb/controller/ehci.c	Wed Jan 22 07:22:42 2014	(r261003)
+++ head/sys/dev/usb/controller/ehci.c	Wed Jan 22 07:32:55 2014	(r261004)
@@ -3781,7 +3781,7 @@ ehci_get_dma_delay(struct usb_device *ud
 	 * Wait until the hardware has finished any possible use of
 	 * the transfer descriptor(s) and QH
 	 */
-	*pus = (188);			/* microseconds */
+	*pus = (1125);			/* microseconds */
 }
 
 static void


More information about the svn-src-all mailing list