From mboxrd@z Thu Jan 1 00:00:00 1970 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 Message-ID: <1201685412-29095-7-git-send-email-bryan.wu@analog.com> References: <1201685412-29095-1-git-send-email-bryan.wu@analog.com> Return-path: Received: from nwd2mail11.analog.com ([137.71.25.57]:53984 "EHLO nwd2mail11.analog.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755488AbYA3JaS (ORCPT ); Wed, 30 Jan 2008 04:30:18 -0500 In-Reply-To: <1201685412-29095-1-git-send-email-bryan.wu@analog.com> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: linux-serial@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Sonic Zhang , Bryan Wu From: Sonic Zhang Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- 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