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From: Marcel Moolenaar <marcel@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Subject: PERFORCE change 37056 for review
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http://perforce.freebsd.org/chv.cgi?CH=37056

Change 37056 by marcel@marcel_nfs on 2003/08/27 21:05:39

	Make sure we are allowed to write to the TX FIFO in
	sab82532_bus_transmit().

Affected files ...

.. //depot/projects/uart/dev/uart/uart_dev_sab82532.c#18 edit

Differences ...

==== //depot/projects/uart/dev/uart/uart_dev_sab82532.c#18 (text+ko) ====

@@ -593,6 +593,8 @@
 	int i;
 
 	bas = &sc->sc_bas;
+	while (!(uart_getreg(bas, SAB_STAR) & SAB_STAR_XFW))
+		;
 	for (i = 0; i < sc->sc_txdatasz; i++)
 		uart_setreg(bas, SAB_XFIFO + i, sc->sc_txbuf[i]);
 	uart_barrier(bas);