svn commit: r187167 - head/sys/dev/usb2/controller

[Andrew Thompson]

Author: thompsa
Date: Tue Jan 13 19:02:07 2009
New Revision: 187167
URL: http://svn.freebsd.org/changeset/base/187167

Log:
  MFp4: //depot/projects/usb at 155759
  
  	Optimise: Remove extra flush calls.
  
  Submitted by: Hans Petter Selasky

Modified:
  head/sys/dev/usb2/controller/ohci2.c

Modified: head/sys/dev/usb2/controller/ohci2.c
==============================================================================
--- head/sys/dev/usb2/controller/ohci2.c	Tue Jan 13 19:01:56 2009	(r187166)
+++ head/sys/dev/usb2/controller/ohci2.c	Tue Jan 13 19:02:07 2009	(r187167)
@@ -1558,13 +1558,12 @@ ohci_setup_standard_chain(struct usb2_xf
 	}
 	ed->ed_flags = htole32(ed_flags);
 
-	usb2_pc_cpu_flush(ed->page_cache);
-
 	td = xfer->td_transfer_first;
 
 	ed->ed_headp = td->td_self;
 
 	if (xfer->udev->pwr_save.suspended == 0) {
+		/* the append function will flush the endpoint descriptor */
 		OHCI_APPEND_QH(ed, *ed_last);
 
 		if (methods == &ohci_device_bulk_methods) {
@@ -2009,13 +2008,12 @@ ohci_device_isoc_enter(struct usb2_xfer 
 	}
 	ed->ed_flags = htole32(ed_flags);
 
-	usb2_pc_cpu_flush(ed->page_cache);
-
 	td = xfer->td_transfer_first;
 
 	ed->ed_headp = td->itd_self;
 
 	/* isochronous transfers are not affected by suspend / resume */
+	/* the append function will flush the endpoint descriptor */
 
 	OHCI_APPEND_QH(ed, sc->sc_isoc_p_last);
 }