Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757770AbaGCPrw (ORCPT ); Thu, 3 Jul 2014 11:47:52 -0400 Received: from mga11.intel.com ([192.55.52.93]:54960 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752788AbaGCPrv (ORCPT ); Thu, 3 Jul 2014 11:47:51 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,862,1389772800"; d="scan'208";a="359323779" Message-ID: <53B57B23.4020607@linux.intel.com> Date: Thu, 03 Jul 2014 23:47:47 +0800 From: "Fu, Zhonghui" User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: chris@printf.net, ulf.hansson@linaro.org, jh80.chung@samsung.com, tgih.jun@samsung.com, aaron.lu@intel.com, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, jackey.shen@amd.com, gregkh@linuxfoundation.org Subject: One bug of SDHCI driver References: <53B249A4.2040404@linux.intel.com> In-Reply-To: <53B249A4.2040404@linux.intel.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, all The statement "mmc->caps2 |= MMC_CAP2_SDIO_IRQ_NOTHREAD;" is added in "sdhci_add_host" function in host/sdhci.c file. In some cases, this will make "host->sdio_irq_thread" a NULL pointer in "mmc_sdio_resume" functon of core/sdio.c file and lead to resume failure. Could you please give me some advice how to fix this bug? Thanks, Zhonghui -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/