Blackfin Serial Driver: Fix bug - kernel hangs when accessing uart 0 …

…on bf537 when booting u-boot and linux on uart 1 Wait only when this UART is enabled. http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3995 Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
mariux64 · Apr 23, 2008 · 1a3a4c7 · 1a3a4c7
1 parent 0c44a86
commit 1a3a4c7
Showing 1 changed file with 0 additions and 4 deletions.
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
@@ -806,10 +806,6 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios,
 
 	UART_SET_ANOMALY_THRESHOLD(uart, USEC_PER_SEC / baud * 15);
 
-	do {
-		lsr = UART_GET_LSR(uart);
-	} while (!(lsr & TEMT));
-
 	/* Disable UART */
 	ier = UART_GET_IER(uart);
 #ifdef CONFIG_BF54x