From: Sonic Zhang <sonic.zhang@analog.com>
Date: Sun, 23 Dec 2007 15:18:08 +0000 (+0800)
Subject: [Blackfin] serial driver: fix bug - should not wait for the TFI bit, just clear it... 
X-Git-Tag: v2.6.25-rc4~144^2~9
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=4c195ad88b7df54b2e7340dec3446aee6ca84cd1;p=linux-2.6-omap-h63xx.git

[Blackfin] serial driver: fix bug - should not wait for the TFI bit, just clear it when tx stop.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
---

diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 007414639e3..ca9ceaa113a 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);