Messages in this thread Patch in this message | | | From | Bryan Wu <> | Subject | [PATCH 6/8] Blackfin Serial Driver: Fix bug - Don't call tx_stop in tx_transfer. | Date | Sun, 27 Jul 2008 14:04:05 +0800 |
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From: Sonic Zhang <sonic.zhang@analog.com>
Disable irq and return immediately.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> --- drivers/serial/bfin_5xx.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 31fc8e1..afeff9f 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -301,7 +301,11 @@ static void bfin_serial_tx_chars(struct bfin_serial_port *uart) bfin_serial_mctrl_check(uart); if (uart_circ_empty(xmit) || uart_tx_stopped(&uart->port)) { - bfin_serial_stop_tx(&uart->port); +#ifdef CONFIG_BF54x + /* Clear TFI bit */ + UART_PUT_LSR(uart, TFI); +#endif + UART_CLEAR_IER(uart, ETBEI); return; } -- 1.5.6
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