From patchwork Thu Aug 31 11:56:50 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 9932027 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 2084260309 for ; Thu, 31 Aug 2017 12:03:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 12EC827F92 for ; Thu, 31 Aug 2017 12:03:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 07DD52850E; Thu, 31 Aug 2017 12:03:55 +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 6AC6627F94 for ; Thu, 31 Aug 2017 12:03:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751285AbdHaMDw (ORCPT ); Thu, 31 Aug 2017 08:03:52 -0400 Received: from mga14.intel.com ([192.55.52.115]:35193 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751016AbdHaMDv (ORCPT ); Thu, 31 Aug 2017 08:03:51 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 31 Aug 2017 05:03:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.41,453,1498546800"; d="scan'208";a="1167905468" Received: from ahunter-desktop.fi.intel.com ([10.237.72.168]) by orsmga001.jf.intel.com with ESMTP; 31 Aug 2017 05:03:47 -0700 From: Adrian Hunter To: Ulf Hansson Cc: linux-mmc , linux-block , Bough Chen , Alex Lemberg , Mateusz Nowak , Yuliy Izrailov , Jaehoon Chung , Dong Aisheng , Das Asutosh , Zhangfei Gao , Sahitya Tummala , Harjani Ritesh , Venu Byravarasu , Linus Walleij , Shawn Lin Subject: [PATCH V7 04/10] mmc: mmc: Enable CQE's Date: Thu, 31 Aug 2017 14:56:50 +0300 Message-Id: <1504180616-14514-5-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1504180616-14514-1-git-send-email-adrian.hunter@intel.com> References: <1504180616-14514-1-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 Enable or disable CQE when a card is added or removed respectively. Signed-off-by: Adrian Hunter --- drivers/mmc/core/bus.c | 7 +++++++ drivers/mmc/core/mmc.c | 12 ++++++++++++ 2 files changed, 19 insertions(+) diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 301246513a37..a4b49e25fe96 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -369,10 +369,17 @@ int mmc_add_card(struct mmc_card *card) */ void mmc_remove_card(struct mmc_card *card) { + struct mmc_host *host = card->host; + #ifdef CONFIG_DEBUG_FS mmc_remove_card_debugfs(card); #endif + if (host->cqe_enabled) { + host->cqe_ops->cqe_disable(host); + host->cqe_enabled = false; + } + if (mmc_card_present(card)) { if (mmc_host_is_spi(card->host)) { pr_info("%s: SPI card removed\n", diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 194cf2082e73..0dcbd25126a1 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1807,6 +1807,18 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, */ card->reenable_cmdq = card->ext_csd.cmdq_en; + if (card->ext_csd.cmdq_en && !host->cqe_enabled) { + err = host->cqe_ops->cqe_enable(host, card); + if (err) { + pr_err("%s: Failed to enable CQE, error %d\n", + mmc_hostname(host), err); + } else { + host->cqe_enabled = true; + pr_info("%s: Command Queue Engine enabled\n", + mmc_hostname(host)); + } + } + if (!oldcard) host->card = card;