PERFORCE change 159522 for review

[Hans Petter Selasky]

http://perforce.freebsd.org/chv.cgi?CH=159522

Change 159522 by hselasky at hselasky_laptop001 on 2009/03/20 16:25:06

	
	USB controller:
	- make sure that the OHCI picks up the alt_next

Affected files ...

.. //depot/projects/usb/src/sys/dev/usb/controller/ohci.c#7 edit

Differences ...

==== //depot/projects/usb/src/sys/dev/usb/controller/ohci.c#7 (text+ko) ====

@@ -1020,6 +1020,23 @@
 		usb2_pc_cpu_flush(ed->page_cache);
 
 		DPRINTFN(13, "xfer=%p following alt next\n", xfer);
+
+		/*
+		 * Make sure that the OHCI re-scans the schedule by
+		 * writing the BLF and CLF bits:
+		 */
+
+		if (xfer->xroot->udev->pwr_save.suspended) {
+			/* nothing to do */
+		} else if (xfer->pipe->methods == &ohci_device_bulk_methods) {
+			ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus);
+
+			OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_BLF);
+		} else if (xfer->pipe->methods == &ohci_device_ctrl_methods) {
+			ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus);
+
+			OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF);
+		}
 	}
 }