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Blackfin Serial Driver: Fix bug - kernel hangs when accessing uart 0 on bf537 when booting u-boot and linux on uart 1

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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>
This commit is contained in:
Sonic Zhang 2008-04-23 09:43:20 +08:00 committed by Bryan Wu
parent 0c44a86d9e
commit 1a3a4c7130
1 changed files with 0 additions and 4 deletions
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4
drivers/serial/bfin_5xx.c
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@ -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