From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaehoon Chung Subject: [PATCH] mmc: core: fix the aysync mechanism when card removed Date: Tue, 22 Jan 2013 21:18:20 +0900 Message-ID: <50FE838C.5010709@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout4.samsung.com ([203.254.224.34]:19393 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752894Ab3AVMSb (ORCPT ); Tue, 22 Jan 2013 07:18:31 -0500 Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MH100BHS0UTHVV0@mailout4.samsung.com> for linux-mmc@vger.kernel.org; Tue, 22 Jan 2013 21:18:29 +0900 (KST) Received: from [10.90.51.55] by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MH100B6B0UT2Q80@mmp1.samsung.com> for linux-mmc@vger.kernel.org; Tue, 22 Jan 2013 21:18:29 +0900 (KST) Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: linux-mmc Cc: Chris Ball , Konstantin Dorfman , Kyungmin Park , Per FORLIN , Maya Erez When card removed, then didn't complete the previously data. (It didn't wakeup any interrupt.) If card is removed, then we can assume to complete the previously data. And wakeup the interrupt for wait_event of data. This problem is produced when sd-card is removed.(Sd-card is running some operation) Signed-off-by: Jaehoon Chung Signed-off-by: Kyungmin Park --- drivers/mmc/core/core.c | 31 ++++++++++++++++++++----------- 1 files changed, 20 insertions(+), 11 deletions(-) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 8b3a122..bc1d627 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -515,17 +515,26 @@ struct mmc_async_req *mmc_start_req(struct mmc_host *host, mmc_pre_req(host, areq->mrq, !host->areq); if (host->areq) { - err = mmc_wait_for_data_req_done(host, host->areq->mrq, - areq); - if (err == MMC_BLK_NEW_REQUEST) { - if (error) - *error = err; - /* - * The previous request was not completed, - * nothing to return - */ - return NULL; - } + err = mmc_wait_for_data_req_done(host, host->areq->mrq, + areq); + if (err == MMC_BLK_NEW_REQUEST) { + if (error) + *error = err; + /* + * The previous request was not completed, + * nothing to return + */ + return NULL; + } else if (err == MMC_BLK_NOMEDIUM && areq) { + struct mmc_context_info *ctnx = &host->context_info; + /* + * If crad is removed, + * then we didn't wait for data completed. + * Assume that data-recieve done. + */ + ctnx->is_done_rcv = true; + wake_up_interruptible(&ctnx->wait); + } /* * Check BKOPS urgency for each R1 response */ -- 1.7.5.4