From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753341Ab1LIEOf (ORCPT ); Thu, 8 Dec 2011 23:14:35 -0500 Received: from mail-iy0-f174.google.com ([209.85.210.174]:51544 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752333Ab1LIEOc (ORCPT ); Thu, 8 Dec 2011 23:14:32 -0500 From: Tomoya MORINAGA To: Grant Likely , spi-devel-general@lists.sourceforge.net, linux-kernel@vger.kernel.org Cc: qi.wang@intel.com, yong.y.wang@intel.com, joel.clark@intel.com, kok.howg.ewe@intel.com, Wolfram Sang , Tomoya MORINAGA Subject: [PATCH 4/4] spi-topcliff-pch: add recovery processing in case wait-event timeout Date: Fri, 9 Dec 2011 13:13:29 +0900 Message-Id: <1323404009-3476-3-git-send-email-tomoya.rohm@gmail.com> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1323404009-3476-1-git-send-email-tomoya.rohm@gmail.com> References: <1323404009-3476-1-git-send-email-tomoya.rohm@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currently, pch_spi_start_transfer failure is not anticipated. This patch adds the processing. Signed-off-by: Tomoya MORINAGA --- drivers/spi/spi-topcliff-pch.c | 10 +++++++++- 1 files changed, 9 insertions(+), 1 deletions(-) diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c index 1864555..10b684c 100644 --- a/drivers/spi/spi-topcliff-pch.c +++ b/drivers/spi/spi-topcliff-pch.c @@ -1262,8 +1262,16 @@ static void pch_spi_process_messages(struct work_struct *pwork) char *save_rx_buf = data->cur_trans->rx_buf; for (i = 0; i < cnt; i ++) { pch_spi_handle_dma(data, &bpw); - if (!pch_spi_start_transfer(data)) + if (!pch_spi_start_transfer(data)) { + data->transfer_complete = true; + data->current_msg->status = -EIO; + data->current_msg->complete + (data->current_msg->context); + data->bcurrent_msg_processing = false; + data->current_msg = NULL; + data->cur_trans = NULL; goto out; + } pch_spi_copy_rx_data_for_dma(data, bpw); } data->cur_trans->rx_buf = save_rx_buf; -- 1.7.4.4