From patchwork Tue Oct 29 05:43:21 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: 11216983 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 95B6013B1 for ; Tue, 29 Oct 2019 05:44:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 71F6020873 for ; Tue, 29 Oct 2019 05:44:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="vLoEKlV6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732174AbfJ2Fo0 (ORCPT ); Tue, 29 Oct 2019 01:44:26 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:40230 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732164AbfJ2FoZ (ORCPT ); Tue, 29 Oct 2019 01:44:25 -0400 Received: by mail-pl1-f193.google.com with SMTP id p5so1829131plr.7 for ; Mon, 28 Oct 2019 22:44:25 -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=shSJXxHkqiOnwVznDt/3eHxUBXqubG/+hrNMGFN/+WI=; b=vLoEKlV6PhyQnu5TaX9PnU1KHde3KNK0Fv7oOOpqfqAU95PmYyCYQFVqox1q5H7qmM 1ptm2U0iVubob9AJKr4ySIpBNHZiL1SnulsIzu7/5UnYp8zsYdNRVj8LjylFYrqRoh/5 PFot5tr6iBh5FbWJ+z20//D/4S1q7AY9/APYqH2eF6A3vlc5tmSR8SjRYLvfNrWjPQOr u/Zqp/ey8YNSRoJw0W6UuH7TlxouEWEMCqQNAJa/mUVBC3amQNNVmHXXA8yw3yaUPzVN Szh1o0B5BoPOBAknZtU2NHBG0NHVIFWezOTMwqYh2EaH4sBi4RVMmcMEboIvt4NA688s w6uw== 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=shSJXxHkqiOnwVznDt/3eHxUBXqubG/+hrNMGFN/+WI=; b=fpNsMjqauKW286csYDDVYBQgr09+loEBoO7YZL9k1qglRH7df6D7JbHbfBqqR62kyx rFFoIB6ioRjcoaEFKohAeQE0Fw996kigDwYAaP1KxAzr8iwvUxjHwH+N2qpoAJlPY3z3 PyuI/uz4L+x0l8Ln6AkGC6g0j5dtFVubKOX+TZGWWCoT5nvzhc2L5PyjRkmFPhG0kOnn 9HDZ9UKvAXzMERC+t7TPx9xM6q9SZG6SXMNISbTI9O/TurjPKu7Qjr4xMwyxmP8wUo3D e9snWVHSteL9EajWq34Qjl2p5gJXlimdzQpJ10KBGjD2Leqs7QeI5UfD9JlP4KqC/kck uSzA== X-Gm-Message-State: APjAAAWYR+PHioN1Y0G8d8NR+nf5Nv69ep65FA3paoayUYKp8yBaQ2iH Wb3pePBrDQ84cbB+FOvHyyeOkA== X-Google-Smtp-Source: APXvYqynwyA3Y+yY6LfpzaWZscREtHN9yCgXN9CAAIZt6tnVF4Q6hgAoYesJokVsz6dgZ/WNdlKq2A== X-Received: by 2002:a17:902:fe89:: with SMTP id x9mr2029967plm.62.1572327864464; Mon, 28 Oct 2019 22:44:24 -0700 (PDT) Received: from baolinwangubtpc.spreadtrum.com ([117.18.48.82]) by smtp.gmail.com with ESMTPSA id j25sm12026231pfi.113.2019.10.28.22.44.20 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 28 Oct 2019 22:44:23 -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, baolin.wang7@gmail.com, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 3/4] mmc: host: sdhci-sprd: Add software queue support Date: Tue, 29 Oct 2019 13:43:21 +0800 Message-Id: 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 efa4019..54b86f6 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -632,6 +632,7 @@ 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..3cc1277 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 +644,16 @@ 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; + 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); + mmc_hsq_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); + mmc_hsq_resume(host->mmc); + return 0; clk_disable: