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authorSonic Zhang <sonic.zhang@analog.com>2008-04-23 09:43:20 +0800
committerBryan Wu <cooloney@kernel.org>2008-04-23 09:43:20 +0800
commit1a3a4c7130d6f39b56efc259d653f6dec4990ea3 (patch)
tree56cdfaaec52422b8d6804d4fd764b93b5380d5dc /drivers/serial
parent0c44a86d9e19021b38a7d7835f25210ef74b2612 (diff)
downloadop-kernel-dev-1a3a4c7130d6f39b56efc259d653f6dec4990ea3.zip
op-kernel-dev-1a3a4c7130d6f39b56efc259d653f6dec4990ea3.tar.gz
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>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/bfin_5xx.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index b773764..1dc9b58 100644
--- 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
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