Make all *_device_*_start() functions (e.g. ohci_device_intr_start())

wait for an interrupt when the bus is in polling mode. Otherwise
some devices like my YE-Data USB Floppy take a short sharp trip to
ddb> at 'halt -p'.

Most of the functions were already doing the wait.

ok miod@. With modification that printf's become DPRINTF's.

1 files changed, 10 insertions, 1 deletions

diff --git a/sys/dev/usb/uhci.c b/sys/dev/usb/uhci.c
index 2601b65b84e..a84586fb08f 100644
--- a/sys/dev/usb/uhci.c
+++ b/sys/dev/usb/uhci.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: uhci.c,v 1.90 2011/07/03 15:47:17 matthew Exp $	*/
+/*	$OpenBSD: uhci.c,v 1.91 2012/08/07 23:51:36 krw Exp $	*/
 /*	$NetBSD: uhci.c,v 1.172 2003/02/23 04:19:26 simonb Exp $	*/
 /*	$FreeBSD: src/sys/dev/usb/uhci.c,v 1.33 1999/11/17 22:33:41 n_hibma Exp $	*/
 
@@ -1981,6 +1981,7 @@ uhci_device_ctrl_start(usbd_xfer_handle xfer)
 
 	if (sc->sc_bus.use_polling)
 		uhci_waitintr(sc, xfer);
+
 	return (USBD_IN_PROGRESS);
 }
 
@@ -2077,6 +2078,9 @@ uhci_device_intr_start(usbd_xfer_handle xfer)
 	}
 #endif
 
+	if (sc->sc_bus.use_polling)
+		uhci_waitintr(sc, xfer);
+
 	return (USBD_IN_PROGRESS);
 }
 
@@ -2408,6 +2412,11 @@ uhci_device_isoc_start(usbd_xfer_handle xfer)
 
 	splx(s);
 
+	if (sc->sc_bus.use_polling) {
+		DPRINTF(("Starting ohci isoc xfer with polling. Bad idea?\n"));
+		uhci_waitintr(sc, xfer);
+	}
+
 	return (USBD_IN_PROGRESS);
 }