From patchwork Fri Jul 19 08:45:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Wang X-Patchwork-Id: 13737020 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2742AC3DA59 for ; Fri, 19 Jul 2024 08:45:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Yl139mWJo63Hw3oclmrFYDKw8iQ0fNm5qW4+gZxGKXM=; b=CIV1jrOUNxmGPp 09f2Vts/AzDGhXiSmsDdIzvk8xhbvAd+w/gGOpTYInpGbcxiAXRJwotH0F53l27vBqqadilf/R4ed AKyBs5ofnM9yhcwxzNH6RqOrMsj471D9sD0AYS5It+tdqQURGGn7JDh4Fw/ZL3j3Lpquvtbc5zKc2 VKE0/Ybba32H4Q3oP0/QF9HeUbBqNs/wNH9z8yVouSsIzTlBiavcBwvXW4NJ9nvETLCtqbWylR/yx oVtF2iDgAA1KC9kZREdzv9Lkc2qu6luUDEfwYXW/JqCoER6ek9qm3WwbETfu4gNoYD+y/PLvfWFpv txntKx9Y0CBnhhwck1RQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sUjFQ-000000028Il-2jAK; Fri, 19 Jul 2024 08:45:52 +0000 Received: from mail-oo1-xc2b.google.com ([2607:f8b0:4864:20::c2b]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sUjFN-000000028HW-26by for linux-riscv@lists.infradead.org; Fri, 19 Jul 2024 08:45:51 +0000 Received: by mail-oo1-xc2b.google.com with SMTP id 006d021491bc7-5cebd3bd468so847770eaf.1 for ; Fri, 19 Jul 2024 01:45:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721378748; x=1721983548; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=6uqvBP32xV6qRefoyJcm+diCLzvCyHwlNjo5p8QbsSQ=; b=Z1DZ5F1tAmgLdlDKkbwozufNud0BdLMQrtZw7QbfVIACBMqNo8vm7w0WN2snrOGE7H I1+zRgqXmBM0Ebh218Xmz/LavC7K8jiO+Ubw2rxoL0fGLO6Xw7o0o8v8kAm/mbFH0F/z 0+4cZvvi547pp5mIEnzXwt5h+UvOia75CRBPcZpXiWa29JZJCKpYgyDXl2Z9bzej4lhv +03mWLdwfT2jTiEfhDe29lzmNioHaZDFolONWEkDukXNXjG1p9u9I0ZIR0qbdwy+rQo8 DujReMrMiDIVoQ84dx39r9NjMlLWyCOK79pVTb/kduTInDdFA/WgdewVd6qysN2LwGPw /SYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721378748; x=1721983548; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=6uqvBP32xV6qRefoyJcm+diCLzvCyHwlNjo5p8QbsSQ=; b=ZaPuXzQWtiVuKY8ANBcrB1UhtHVCgbvsScWkXAa88ih0Ha/kLSSc/qt8YKvtSoE/8B z/txJDCN5rS+TtFZt08xuzcN9KgxJlrW1huiSv+L5T2GE5xLxmqAPOf+Quc0Bi65uIR7 44gf8RUh07RP/lpbd6JvLvqgHsiZKMoNrY6S5RcduICsmEM8zoW0YVZjOzfzfl/Y6hOb EVCrTgNKwT3OO3xue+ZSJXjQs8nw6bRhYaV0fSZRffbEWSlrB4bhlJZZ30YTgHSejrA7 3xyXjhJrHqsU/fsLXRbwAfxcHhnxIqHHXpMCBgMYx5MOpYkXDt2ILjkTzrrhjj8sVAlG /J2g== X-Forwarded-Encrypted: i=1; AJvYcCUCVyRVCapC+LYlOc2Z1JzJt0Nn6h2SolQp6GBbWPuYQ6/TOV7wo2699oLhI7t/ppDn51ptv58W5sOHS5RZQda6GM26XtgvHAUUw64YBR6G X-Gm-Message-State: AOJu0YzLHko2xMkCD1N8aP0aROVfO2EBcNUkqHVGwhYJk7L2RhzIbJtv Sgn2UwWLnoUrVgy5WTiH8BPjgc33ksbwmcG3ko+49nwPCwBolLmB X-Google-Smtp-Source: AGHT+IHXTA/zgkdr+H1RuzNCjWddediAA0SHwbiJ+VeYitWvUf/Oywvo4d5FAaFRIYS1Lp9cmPpbZA== X-Received: by 2002:a05:6820:270f:b0:5cd:2e7:cc6 with SMTP id 006d021491bc7-5d41cade049mr8811826eaf.8.1721378748386; Fri, 19 Jul 2024 01:45:48 -0700 (PDT) Received: from localhost.localdomain ([122.8.183.87]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-5d55a7fa65esm179536eaf.5.2024.07.19.01.45.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Jul 2024 01:45:48 -0700 (PDT) From: Chen Wang To: adrian.hunter@intel.com, aou@eecs.berkeley.edu, conor+dt@kernel.org, guoren@kernel.org, inochiama@outlook.com, jszhang@kernel.org, krzysztof.kozlowski+dt@linaro.org, palmer@dabbelt.com, paul.walmsley@sifive.com, robh@kernel.org, ulf.hansson@linaro.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-riscv@lists.infradead.org, chao.wei@sophgo.com, haijiao.liu@sophgo.com, xiaoguang.xing@sophgo.com, tingzhu.wang@sophgo.com Cc: Chen Wang Subject: [PATCH v5 2/8] mmc: sdhci-of-dwcmshc: move two rk35xx functions Date: Fri, 19 Jul 2024 16:45:41 +0800 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240719_014549_570791_BE0BB85D X-CRM114-Status: GOOD ( 15.39 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Chen Wang This patch just move dwcmshc_rk35xx_init() and dwcmshc_rk35xx_postinit() to put the functions of rk35xx together as much as possible. This change is an intermediate process before further modification. Signed-off-by: Chen Wang --- drivers/mmc/host/sdhci-of-dwcmshc.c | 90 ++++++++++++++--------------- 1 file changed, 45 insertions(+), 45 deletions(-) diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c index fb4076c19ed5..903fe06050e4 100644 --- a/drivers/mmc/host/sdhci-of-dwcmshc.c +++ b/drivers/mmc/host/sdhci-of-dwcmshc.c @@ -711,6 +711,51 @@ static void rk35xx_sdhci_reset(struct sdhci_host *host, u8 mask) sdhci_reset(host, mask); } +static int dwcmshc_rk35xx_init(struct sdhci_host *host, struct dwcmshc_priv *dwc_priv) +{ + static const char * const clk_ids[] = {"axi", "block", "timer"}; + struct rk35xx_priv *priv = dwc_priv->priv; + int err; + + priv->reset = devm_reset_control_array_get_optional_exclusive(mmc_dev(host->mmc)); + if (IS_ERR(priv->reset)) { + err = PTR_ERR(priv->reset); + dev_err(mmc_dev(host->mmc), "failed to get reset control %d\n", err); + return err; + } + + err = dwcmshc_get_enable_other_clks(mmc_dev(host->mmc), dwc_priv, + ARRAY_SIZE(clk_ids), clk_ids); + if (err) + return err; + + if (of_property_read_u8(mmc_dev(host->mmc)->of_node, "rockchip,txclk-tapnum", + &priv->txclk_tapnum)) + priv->txclk_tapnum = DLL_TXCLK_TAPNUM_DEFAULT; + + /* Disable cmd conflict check */ + sdhci_writel(host, 0x0, dwc_priv->vendor_specific_area1 + DWCMSHC_HOST_CTRL3); + /* Reset previous settings */ + sdhci_writel(host, 0, DWCMSHC_EMMC_DLL_TXCLK); + sdhci_writel(host, 0, DWCMSHC_EMMC_DLL_STRBIN); + + return 0; +} + +static void dwcmshc_rk35xx_postinit(struct sdhci_host *host, struct dwcmshc_priv *dwc_priv) +{ + /* + * Don't support highspeed bus mode with low clk speed as we + * cannot use DLL for this condition. + */ + if (host->mmc->f_max <= 52000000) { + dev_info(mmc_dev(host->mmc), "Disabling HS200/HS400, frequency too low (%d)\n", + host->mmc->f_max); + host->mmc->caps2 &= ~(MMC_CAP2_HS200 | MMC_CAP2_HS400); + host->mmc->caps &= ~(MMC_CAP_3_3V_DDR | MMC_CAP_1_8V_DDR); + } +} + static int th1520_execute_tuning(struct sdhci_host *host, u32 opcode) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); @@ -1064,51 +1109,6 @@ static void dwcmshc_cqhci_init(struct sdhci_host *host, struct platform_device * host->mmc->caps2 &= ~(MMC_CAP2_CQE | MMC_CAP2_CQE_DCMD); } -static int dwcmshc_rk35xx_init(struct sdhci_host *host, struct dwcmshc_priv *dwc_priv) -{ - static const char * const clk_ids[] = {"axi", "block", "timer"}; - struct rk35xx_priv *priv = dwc_priv->priv; - int err; - - priv->reset = devm_reset_control_array_get_optional_exclusive(mmc_dev(host->mmc)); - if (IS_ERR(priv->reset)) { - err = PTR_ERR(priv->reset); - dev_err(mmc_dev(host->mmc), "failed to get reset control %d\n", err); - return err; - } - - err = dwcmshc_get_enable_other_clks(mmc_dev(host->mmc), dwc_priv, - ARRAY_SIZE(clk_ids), clk_ids); - if (err) - return err; - - if (of_property_read_u8(mmc_dev(host->mmc)->of_node, "rockchip,txclk-tapnum", - &priv->txclk_tapnum)) - priv->txclk_tapnum = DLL_TXCLK_TAPNUM_DEFAULT; - - /* Disable cmd conflict check */ - sdhci_writel(host, 0x0, dwc_priv->vendor_specific_area1 + DWCMSHC_HOST_CTRL3); - /* Reset previous settings */ - sdhci_writel(host, 0, DWCMSHC_EMMC_DLL_TXCLK); - sdhci_writel(host, 0, DWCMSHC_EMMC_DLL_STRBIN); - - return 0; -} - -static void dwcmshc_rk35xx_postinit(struct sdhci_host *host, struct dwcmshc_priv *dwc_priv) -{ - /* - * Don't support highspeed bus mode with low clk speed as we - * cannot use DLL for this condition. - */ - if (host->mmc->f_max <= 52000000) { - dev_info(mmc_dev(host->mmc), "Disabling HS200/HS400, frequency too low (%d)\n", - host->mmc->f_max); - host->mmc->caps2 &= ~(MMC_CAP2_HS200 | MMC_CAP2_HS400); - host->mmc->caps &= ~(MMC_CAP_3_3V_DDR | MMC_CAP_1_8V_DDR); - } -} - static const struct of_device_id sdhci_dwcmshc_dt_ids[] = { { .compatible = "rockchip,rk3588-dwcmshc",