Messages in this thread Patch in this message | | | From | Bryan Wu <> | Subject | [PATCH 06/12] [Blackfin] serial driver: fix bug - should not wait for the TFI bit, just clear it when tx stop. | Date | Wed, 30 Jan 2008 17:30:06 +0800 |
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From: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com> --- drivers/serial/bfin_5xx.c | 3 --- 1 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 0074146..ca9ceaa 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -95,9 +95,6 @@ static void bfin_serial_stop_tx(struct uart_port *port) disable_dma(uart->tx_dma_channel); #else #ifdef CONFIG_BF54x - /* Waiting for Transmission Finished */ - while (!(UART_GET_LSR(uart) & TFI)) - continue; /* Clear TFI bit */ UART_PUT_LSR(uart, TFI); UART_CLEAR_IER(uart, ETBEI); -- 1.5.3.4
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