From patchwork Thu Sep 19 05:58:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "(Exiting) Baolin Wang" X-Patchwork-Id: 11151621 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 8B9D0912 for ; Thu, 19 Sep 2019 05:59:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6AA47218AF for ; Thu, 19 Sep 2019 05:59:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="o/AXHGJN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731650AbfISF7U (ORCPT ); Thu, 19 Sep 2019 01:59:20 -0400 Received: from mail-pg1-f193.google.com ([209.85.215.193]:33002 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731450AbfISF7S (ORCPT ); Thu, 19 Sep 2019 01:59:18 -0400 Received: by mail-pg1-f193.google.com with SMTP id n190so1256481pgn.0 for ; Wed, 18 Sep 2019 22:59:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=4zoX/y4PganInWe3/mARbaR8aRBFEpK4D2RgCbSuiC4=; b=o/AXHGJNcTfb/QBuxV38Fov0fPaFAUpu8RlqAYA4p8z9IGQUjrbH1dhdTrh7Pxn5tt 1c4mVI7h4+1BboYpvs2myRmOEcH8K0jR+YSh2OvqgmCpviiwqzimh64MVuKX2ti+hhxX LtvbniIR/k8e8TUEm10xjPxY9KLs8J08cAK77cFe3pI08aJpQHb2mqSHvDQFv9eknMuZ pw6qLJahZEZCj8epZ7qNz/1PZWUA9o8N6+34wQl37HLz1ObtcasbIVBSJNxTMuhbho7h inGOKpUPjGqphtG8c1q9JUH7O3yCf5MzZv9lH08E9tLPgEZefupgWwXVDzmQl8WBz0Wd vG4w== 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=4zoX/y4PganInWe3/mARbaR8aRBFEpK4D2RgCbSuiC4=; b=eESC0klII9k9n02GCf6unq4lAAe7RwVx0t/4yhC05obs7250Fr5C816dCOfIYtU4mK 3Kzgilfamru86TR/YxO9lM72YJTKlVWIaXbY3mHkRcXuGRSCh8i5Q1vJgmavC2n98FY2 p8bpweXCAjWUhR1i/J1wAWGOYOVEZj3LKRLI7uaaINPny7hh9Fiva9po+poL15+oJD03 PuV5Js823Jrg0Wd1f7nydWJeXnStYLKqPIBZnjRkbawNs6ZY6VCWKXkICmdtsyMCEoDr hpEzI0AVxw0YQ31tJO9ObThyYKBm5x57kP5SvOjjcZ42u+9oFVwRxeGNSjg/f7MIulJo A7OQ== X-Gm-Message-State: APjAAAVAqXBDdJrnf13idS2mN1ZhLvPJ1VXd1zFLFUpFMLTmZkOsETvB fBzVLI4Q9m50Geo2/XkZdQxYEA== X-Google-Smtp-Source: APXvYqwz76HqhSedoS5r2mMBa6dzmPqh1Ag3DfmlNk0vZL1fBXLgDth4GoDuVRex1pgIuJTQXdT58Q== X-Received: by 2002:a62:583:: with SMTP id 125mr8684554pff.69.1568872757864; Wed, 18 Sep 2019 22:59:17 -0700 (PDT) Received: from baolinwangubtpc.spreadtrum.com ([117.18.48.82]) by smtp.gmail.com with ESMTPSA id c127sm9666027pfb.5.2019.09.18.22.59.13 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 18 Sep 2019 22:59:17 -0700 (PDT) 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, vincent.guittot@linaro.org, baolin.wang@linaro.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 3/3] mmc: host: sdhci-sprd: Add software queue support Date: Thu, 19 Sep 2019 13:58:47 +0800 Message-Id: <17069e44dbab0302bb7bd5eee64dc769b1f181d3.1568864713.git.baolin.wang@linaro.org> 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 Add software queue support to improve the performance. Signed-off-by: Baolin Wang --- drivers/mmc/host/Kconfig | 1 + drivers/mmc/host/sdhci-sprd.c | 26 ++++++++++++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index d117f18..862e8e9 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -619,6 +619,7 @@ config MMC_SDHCI_SPRD depends on ARCH_SPRD depends on MMC_SDHCI_PLTFM select MMC_SDHCI_IO_ACCESSORS + select MMC_SQHCI 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..4dec0b3 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 "sqhci.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 (sqhci_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 sqhci_host *sq_host; struct clk *clk; int ret = 0; @@ -631,6 +644,16 @@ static int sdhci_sprd_probe(struct platform_device *pdev) sprd_host->flags = host->flags; + sq_host = devm_kzalloc(&pdev->dev, sizeof(*sq_host), GFP_KERNEL); + if (!sq_host) { + ret = -ENOMEM; + goto err_cleanup_host; + } + + ret = sqhci_init(sq_host, host->mmc); + if (ret) + goto err_cleanup_host; + ret = __sdhci_add_host(host); if (ret) goto err_cleanup_host; @@ -689,6 +712,7 @@ 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); + sqhci_suspend(host->mmc); sdhci_runtime_suspend_host(host); clk_disable_unprepare(sprd_host->clk_sdio); @@ -717,6 +741,8 @@ static int sdhci_sprd_runtime_resume(struct device *dev) goto clk_disable; sdhci_runtime_resume_host(host, 1); + sqhci_resume(host->mmc); + return 0; clk_disable: