From patchwork Wed Feb 5 12:50:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolin Wang X-Patchwork-Id: 11366249 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DCEE5138D for ; Wed, 5 Feb 2020 12:51:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BCB602192A for ; Wed, 5 Feb 2020 12:51:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="X931Yhml" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728122AbgBEMvg (ORCPT ); Wed, 5 Feb 2020 07:51:36 -0500 Received: from mail-pl1-f195.google.com ([209.85.214.195]:43326 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728094AbgBEMvf (ORCPT ); Wed, 5 Feb 2020 07:51:35 -0500 Received: by mail-pl1-f195.google.com with SMTP id p11so843146plq.10; Wed, 05 Feb 2020 04:51:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=z2rCwKhMPk5QQnDbc8O1zs9yu0JRS1NKgiYNty4j9ao=; b=X931Yhmlt5lykJmxHSlQn3LYRIUeitZYLnkp5ML0fo7ckqAoWt/tL0qCCLVzoyj4R2 4AfbRO5ga4ri3gN8/w77nULBeLd0GjHz+SkMPLgllyxl8I0khXZKKzV+ym/NLnjuBU6t 4ypn3cfgezDr9aqrMkiEv08OPrn7n5la/xbqov5TMWFG8JXaxDIenETzT35qv71bQqPK 3U1ImKu1C9TOQphMuge5niN4ld5uF3v2JcQH3BUUZekyLV9xBnU3bXssE6D8FYUwiWnG 9M5YkP89Zof8L7v9srlmRqyBXpsrDj3rc2/w9oKvSh6oxJYjE8B8makLJfZUHCLyRAGe azXg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:in-reply-to:references; bh=z2rCwKhMPk5QQnDbc8O1zs9yu0JRS1NKgiYNty4j9ao=; b=t4Gl94Z/xVO8GNdUmxQusbUYZNtyMsgiD23aOXB7DL3hi1CYekGWytJAFZdkys9+8h OAQu12nKq4rCoJs0RMN22KCOqlH8NyFeq1MKH46bj0T7X2sMY6dCetOc2C94wo44avrN j6h9a5tDHZEz1FL/j5AWatvc8/jVFc6WY2HxnsM0X+elqHszyGrZk1svW95JcJ84tplS viqlVT8sv7TBIjBxdzJKWekT1n0jq+NKfjvWnXBvpQodStDGaJYQ4/UW4qlAf0EIczQN PGu7XCFsn1AfjGLeTN3wfTKB/f9TkU5GFPtNmt8tA0TxnJCIFoFr/GJgyNhnOqqolVB+ k0Hw== X-Gm-Message-State: APjAAAVIIGdKFsU27Hc5Bc4fZwtk89sBpvKvL4r5PSQyCJl5MhArHh1J GDuZYdfQX0hZviEurKvo+88= X-Google-Smtp-Source: APXvYqxZ4IRD5HLednMl/VFLWobo0wrxj9CQmKQi4CyUuhEgfruu+Gnwt2VtBAlL08UlIjC42Iotkg== X-Received: by 2002:a17:902:24:: with SMTP id 33mr34959814pla.91.1580907093379; Wed, 05 Feb 2020 04:51:33 -0800 (PST) Received: from baolinwangubtpc.spreadtrum.com ([117.18.48.82]) by smtp.gmail.com with ESMTPSA id y127sm22864784pfg.22.2020.02.05.04.51.30 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 05 Feb 2020 04:51:32 -0800 (PST) From: Baolin Wang To: adrian.hunter@intel.com, ulf.hansson@linaro.org, asutoshd@codeaurora.org Cc: orsonzhai@gmail.com, zhang.lyra@gmail.com, arnd@arndb.de, linus.walleij@linaro.org, baolin.wang@linaro.org, baolin.wang7@gmail.com, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v8 5/5] mmc: host: sdhci-sprd: Add software queue support Date: Wed, 5 Feb 2020 20:50:32 +0800 Message-Id: <6e11c5faeecafc2ef817c14268577925eee0bd4e.1580894083.git.baolin.wang7@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: In-Reply-To: References: Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org From: Baolin Wang Add software queue support to improve the performance. Signed-off-by: Baolin Wang Signed-off-by: Baolin Wang --- drivers/mmc/host/Kconfig | 1 + drivers/mmc/host/sdhci-sprd.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 65d3966..3ea45be 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -645,6 +645,7 @@ config MMC_SDHCI_SPRD depends on ARCH_SPRD depends on MMC_SDHCI_PLTFM select MMC_SDHCI_IO_ACCESSORS + select MMC_HSQ help This selects the SDIO Host Controller in Spreadtrum SoCs, this driver supports R11(IP version: R11P0). diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c index d07b979..d346223 100644 --- a/drivers/mmc/host/sdhci-sprd.c +++ b/drivers/mmc/host/sdhci-sprd.c @@ -19,6 +19,7 @@ #include #include "sdhci-pltfm.h" +#include "mmc_hsq.h" /* SDHCI_ARGUMENT2 register high 16bit */ #define SDHCI_SPRD_ARG2_STUFF GENMASK(31, 16) @@ -379,6 +380,16 @@ static unsigned int sdhci_sprd_get_ro(struct sdhci_host *host) return 0; } +static void sdhci_sprd_request_done(struct sdhci_host *host, + struct mmc_request *mrq) +{ + /* Validate if the request was from software queue firstly. */ + if (mmc_hsq_finalize_request(host->mmc, mrq)) + return; + + mmc_request_done(host->mmc, mrq); +} + static struct sdhci_ops sdhci_sprd_ops = { .read_l = sdhci_sprd_readl, .write_l = sdhci_sprd_writel, @@ -392,6 +403,7 @@ static unsigned int sdhci_sprd_get_ro(struct sdhci_host *host) .hw_reset = sdhci_sprd_hw_reset, .get_max_timeout_count = sdhci_sprd_get_max_timeout_count, .get_ro = sdhci_sprd_get_ro, + .request_done = sdhci_sprd_request_done, }; static void sdhci_sprd_request(struct mmc_host *mmc, struct mmc_request *mrq) @@ -521,6 +533,7 @@ static int sdhci_sprd_probe(struct platform_device *pdev) { struct sdhci_host *host; struct sdhci_sprd_host *sprd_host; + struct mmc_hsq *hsq; struct clk *clk; int ret = 0; @@ -631,6 +644,18 @@ static int sdhci_sprd_probe(struct platform_device *pdev) sprd_host->flags = host->flags; + hsq = devm_kzalloc(&pdev->dev, sizeof(*hsq), GFP_KERNEL); + if (!hsq) { + ret = -ENOMEM; + goto err_cleanup_host; + } + + ret = mmc_hsq_init(hsq, host->mmc); + if (ret) + goto err_cleanup_host; + + host->always_defer_done = true; + ret = __sdhci_add_host(host); if (ret) goto err_cleanup_host; @@ -689,6 +714,7 @@ static int sdhci_sprd_runtime_suspend(struct device *dev) struct sdhci_host *host = dev_get_drvdata(dev); struct sdhci_sprd_host *sprd_host = TO_SPRD_HOST(host); + mmc_hsq_suspend(host->mmc); sdhci_runtime_suspend_host(host); clk_disable_unprepare(sprd_host->clk_sdio); @@ -717,6 +743,8 @@ static int sdhci_sprd_runtime_resume(struct device *dev) goto clk_disable; sdhci_runtime_resume_host(host, 1); + mmc_hsq_resume(host->mmc); + return 0; clk_disable: