From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932358Ab3AJEtN (ORCPT ); Wed, 9 Jan 2013 23:49:13 -0500 Received: from mga03.intel.com ([143.182.124.21]:11440 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758064Ab3AJEtL (ORCPT ); Wed, 9 Jan 2013 23:49:11 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,441,1355126400"; d="scan'208";a="189604049" Subject: [PATCH] serial:ifx6x60:Delete SPI timer when shut down port From: channing To: alan@linux.intel.com Cc: greg@kroah.com, richardx.r.gorby@intel.com, jun.d.chen@intel.com, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Date: Thu, 10 Jan 2013 13:06:42 +0800 Message-ID: <1357794402.8296.9.camel@bichao> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When shut down SPI port, it's possible that MRDY has been asserted and a SPI timer was activated waiting for SRDY assert, in the case, it needs to delete this timer. Signed-off-by: Chen Jun Signed-off-by: channing --- drivers/tty/serial/ifx6x60.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c index 675d94a..7eed323 100644 --- a/drivers/tty/serial/ifx6x60.c +++ b/drivers/tty/serial/ifx6x60.c @@ -637,6 +637,7 @@ static void ifx_port_shutdown(struct tty_port *port) clear_bit(IFX_SPI_STATE_IO_AVAILABLE, &ifx_dev->flags); mrdy_set_low(ifx_dev); + del_timer(&ifx_dev->spi_timer); clear_bit(IFX_SPI_STATE_TIMER_PENDING, &ifx_dev->flags); tasklet_kill(&ifx_dev->io_work_tasklet); } -- 1.7.1