From patchwork Thu Jun 15 11:06:32 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 9788627 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4700D60231 for ; Thu, 15 Jun 2017 11:13:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 422A726538 for ; Thu, 15 Jun 2017 11:13:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 36616285B3; Thu, 15 Jun 2017 11:13:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BDC4C26538 for ; Thu, 15 Jun 2017 11:13:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752053AbdFOLNE (ORCPT ); Thu, 15 Jun 2017 07:13:04 -0400 Received: from mga11.intel.com ([192.55.52.93]:52875 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751742AbdFOLND (ORCPT ); Thu, 15 Jun 2017 07:13:03 -0400 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Jun 2017 04:13:03 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.39,343,1493708400"; d="scan'208";a="981162023" Received: from ahunter-desktop.fi.intel.com ([10.237.72.168]) by orsmga003.jf.intel.com with ESMTP; 15 Jun 2017 04:12:58 -0700 From: Adrian Hunter To: Ulf Hansson Cc: linux-mmc , Bough Chen , Alex Lemberg , Mateusz Nowak , Yuliy Izrailov , Jaehoon Chung , Dong Aisheng , Das Asutosh , Zhangfei Gao , Dorfman Konstantin , David Griego , Sahitya Tummala , Harjani Ritesh , Venu Byravarasu , Linus Walleij , Shawn Lin Subject: [PATCH V3 04/11] mmc: core: Turn off CQE before sending commands Date: Thu, 15 Jun 2017 14:06:32 +0300 Message-Id: <1497524799-18165-5-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1497524799-18165-1-git-send-email-adrian.hunter@intel.com> References: <1497524799-18165-1-git-send-email-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Turn off the CQE before sending commands, and ensure it is off in any reset or power management paths, or re-tuning. Signed-off-by: Adrian Hunter --- drivers/mmc/core/core.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 26431267a3e2..b0af9db18eef 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -260,6 +260,9 @@ static void __mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) trace_mmc_request_start(host, mrq); + if (host->cqe_on) + host->cqe_ops->cqe_off(host); + host->ops->request(host, mrq); } @@ -982,6 +985,9 @@ int mmc_execute_tuning(struct mmc_card *card) if (!host->ops->execute_tuning) return 0; + if (host->cqe_on) + host->cqe_ops->cqe_off(host); + if (mmc_card_mmc(card)) opcode = MMC_SEND_TUNING_BLOCK_HS200; else @@ -1021,6 +1027,9 @@ void mmc_set_bus_width(struct mmc_host *host, unsigned int width) */ void mmc_set_initial_state(struct mmc_host *host) { + if (host->cqe_on) + host->cqe_ops->cqe_off(host); + mmc_retune_disable(host); if (mmc_host_is_spi(host))