Commit 1a3a4c71 authored Apr 23, 2008 by Sonic Zhang Committed by Bryan Wu Apr 23, 2008

Blackfin Serial Driver: Fix bug - kernel hangs when accessing uart 0 on bf537...

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>

parent 0c44a86d

drivers/serial/bfin_5xx.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -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