Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752500AbdIVMoT (ORCPT ); Fri, 22 Sep 2017 08:44:19 -0400 Received: from mga14.intel.com ([192.55.52.115]:36798 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752448AbdIVMoR (ORCPT ); Fri, 22 Sep 2017 08:44:17 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,427,1500966000"; d="scan'208";a="1174828654" From: Adrian Hunter To: Ulf Hansson Cc: linux-mmc , linux-block , linux-kernel , 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 , Christoph Hellwig Subject: [PATCH V9 05/15] mmc: mmc: Enable CQE's Date: Fri, 22 Sep 2017 15:36:54 +0300 Message-Id: <1506083824-4024-6-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1506083824-4024-1-git-send-email-adrian.hunter@intel.com> References: <1506083824-4024-1-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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1502 Lines: 55 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 454a5079a90f..de817ac80383 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; -- 1.9.1