From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758394AbYG0GGt (ORCPT ); Sun, 27 Jul 2008 02:06:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753418AbYG0GGi (ORCPT ); Sun, 27 Jul 2008 02:06:38 -0400 Received: from po-out-1718.google.com ([72.14.252.153]:23514 "EHLO po-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753953AbYG0GGh (ORCPT ); Sun, 27 Jul 2008 02:06:37 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references :sender; b=MXad0JR4KySc0V2kepF23APpek7rowpvMc1KVGOnGQH4fVhc1uYa/BZq2Ni5Dh9Qde 6bsDBx3L54uIXUyepk9US3Il/f3xWr0F3k5rV1sGDlkqZEixRnlG4qUVS3SRDPCxafUD nOOlRdUz7MnOFCYaMfJSzXfETK6m6NgHiZPfE= From: Bryan Wu To: alan@lxorguk.ukuu.org.uk Cc: linux-kernel@vger.kernel.org, Sonic Zhang , 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 Message-Id: <1217138647-18227-7-git-send-email-cooloney@kernel.org> X-Mailer: git-send-email 1.5.6 In-Reply-To: <1217138647-18227-1-git-send-email-cooloney@kernel.org> References: <1217138647-18227-1-git-send-email-cooloney@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sonic Zhang Disable irq and return immediately. Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- 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