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[193.106.246.138]) by smtp.gmail.com with ESMTPSA id y134sm666365lff.162.2020.12.02.10.51.54 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 02 Dec 2020 10:51:54 -0800 (PST) From: Marcin Wojtas To: linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org Cc: ulf.hansson@linaro.org, huziji@marvell.com, adrian.hunter@intel.com, jaz@semihalf.com, tn@semihalf.com, ard.biesheuvel@arm.com, kostap@marvell.com, Marcin Wojtas Subject: [PATCH v3 2/4] mmc: sdhci-xenon: switch to device_* API Date: Wed, 2 Dec 2020 19:51:16 +0100 Message-Id: <20201202185118.29076-3-mw@semihalf.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20201202185118.29076-1-mw@semihalf.com> References: <20201202185118.29076-1-mw@semihalf.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In order to support both ACPI and DT, modify the driver to use device_* routines for obtaining the properties values. Signed-off-by: Marcin Wojtas Acked-by: Adrian Hunter --- drivers/mmc/host/sdhci-xenon.h | 4 +-- drivers/mmc/host/sdhci-xenon-phy.c | 36 +++++++++++--------- drivers/mmc/host/sdhci-xenon.c | 18 +++++----- 3 files changed, 30 insertions(+), 28 deletions(-) diff --git a/drivers/mmc/host/sdhci-xenon.h b/drivers/mmc/host/sdhci-xenon.h index 39e898605937..3e9c6c908a79 100644 --- a/drivers/mmc/host/sdhci-xenon.h +++ b/drivers/mmc/host/sdhci-xenon.h @@ -101,8 +101,8 @@ struct xenon_priv { }; int xenon_phy_adj(struct sdhci_host *host, struct mmc_ios *ios); -int xenon_phy_parse_dt(struct device_node *np, - struct sdhci_host *host); +int xenon_phy_parse_params(struct device *dev, + struct sdhci_host *host); void xenon_soc_pad_ctrl(struct sdhci_host *host, unsigned char signal_voltage); #endif diff --git a/drivers/mmc/host/sdhci-xenon-phy.c b/drivers/mmc/host/sdhci-xenon-phy.c index c33e0cddc81a..8cf3a375de65 100644 --- a/drivers/mmc/host/sdhci-xenon-phy.c +++ b/drivers/mmc/host/sdhci-xenon-phy.c @@ -691,35 +691,37 @@ static int get_dt_pad_ctrl_data(struct sdhci_host *host, return ret; } -static int xenon_emmc_phy_parse_param_dt(struct sdhci_host *host, - struct device_node *np, - struct xenon_emmc_phy_params *params) +static int xenon_emmc_phy_parse_params(struct sdhci_host *host, + struct device *dev, + struct xenon_emmc_phy_params *params) { u32 value; params->slow_mode = false; - if (of_property_read_bool(np, "marvell,xenon-phy-slow-mode")) + if (device_property_read_bool(dev, "marvell,xenon-phy-slow-mode")) params->slow_mode = true; params->znr = XENON_ZNR_DEF_VALUE; - if (!of_property_read_u32(np, "marvell,xenon-phy-znr", &value)) + if (!device_property_read_u32(dev, "marvell,xenon-phy-znr", &value)) params->znr = value & XENON_ZNR_MASK; params->zpr = XENON_ZPR_DEF_VALUE; - if (!of_property_read_u32(np, "marvell,xenon-phy-zpr", &value)) + if (!device_property_read_u32(dev, "marvell,xenon-phy-zpr", &value)) params->zpr = value & XENON_ZPR_MASK; params->nr_tun_times = XENON_TUN_CONSECUTIVE_TIMES; - if (!of_property_read_u32(np, "marvell,xenon-phy-nr-success-tun", - &value)) + if (!device_property_read_u32(dev, "marvell,xenon-phy-nr-success-tun", + &value)) params->nr_tun_times = value & XENON_TUN_CONSECUTIVE_TIMES_MASK; params->tun_step_divider = XENON_TUNING_STEP_DIVIDER; - if (!of_property_read_u32(np, "marvell,xenon-phy-tun-step-divider", - &value)) + if (!device_property_read_u32(dev, "marvell,xenon-phy-tun-step-divider", + &value)) params->tun_step_divider = value & 0xFF; - return get_dt_pad_ctrl_data(host, np, params); + if (dev->of_node) + return get_dt_pad_ctrl_data(host, dev->of_node, params); + return 0; } /* Set SoC PHY Voltage PAD */ @@ -813,7 +815,7 @@ int xenon_phy_adj(struct sdhci_host *host, struct mmc_ios *ios) return ret; } -static int xenon_add_phy(struct device_node *np, struct sdhci_host *host, +static int xenon_add_phy(struct device *dev, struct sdhci_host *host, const char *phy_name) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); @@ -832,15 +834,15 @@ static int xenon_add_phy(struct device_node *np, struct sdhci_host *host, if (ret) return ret; - return xenon_emmc_phy_parse_param_dt(host, np, priv->phy_params); + return xenon_emmc_phy_parse_params(host, dev, priv->phy_params); } -int xenon_phy_parse_dt(struct device_node *np, struct sdhci_host *host) +int xenon_phy_parse_params(struct device *dev, struct sdhci_host *host) { const char *phy_type = NULL; - if (!of_property_read_string(np, "marvell,xenon-phy-type", &phy_type)) - return xenon_add_phy(np, host, phy_type); + if (!device_property_read_string(dev, "marvell,xenon-phy-type", &phy_type)) + return xenon_add_phy(dev, host, phy_type); - return xenon_add_phy(np, host, "emmc 5.1 phy"); + return xenon_add_phy(dev, host, "emmc 5.1 phy"); } diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c index 1e7ce9b1a143..bfc76b0e3eaa 100644 --- a/drivers/mmc/host/sdhci-xenon.c +++ b/drivers/mmc/host/sdhci-xenon.c @@ -407,9 +407,9 @@ static void xenon_replace_mmc_host_ops(struct sdhci_host *host) * Refer to XENON_SYS_CFG_INFO register * tun-count: the interval between re-tuning */ -static int xenon_probe_dt(struct platform_device *pdev) +static int xenon_probe_params(struct platform_device *pdev) { - struct device_node *np = pdev->dev.of_node; + struct device *dev = &pdev->dev; struct sdhci_host *host = platform_get_drvdata(pdev); struct mmc_host *mmc = host->mmc; struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); @@ -422,7 +422,7 @@ static int xenon_probe_dt(struct platform_device *pdev) host->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200; sdhc_id = 0x0; - if (!of_property_read_u32(np, "marvell,xenon-sdhc-id", &sdhc_id)) { + if (!device_property_read_u32(dev, "marvell,xenon-sdhc-id", &sdhc_id)) { nr_sdhc = sdhci_readl(host, XENON_SYS_CFG_INFO); nr_sdhc &= XENON_NR_SUPPORTED_SLOT_MASK; if (unlikely(sdhc_id > nr_sdhc)) { @@ -434,8 +434,8 @@ static int xenon_probe_dt(struct platform_device *pdev) priv->sdhc_id = sdhc_id; tuning_count = XENON_DEF_TUNING_COUNT; - if (!of_property_read_u32(np, "marvell,xenon-tun-count", - &tuning_count)) { + if (!device_property_read_u32(dev, "marvell,xenon-tun-count", + &tuning_count)) { if (unlikely(tuning_count >= XENON_TMR_RETUN_NO_PRESENT)) { dev_err(mmc_dev(mmc), "Wrong Re-tuning Count. Set default value %d\n", XENON_DEF_TUNING_COUNT); @@ -444,7 +444,7 @@ static int xenon_probe_dt(struct platform_device *pdev) } priv->tuning_count = tuning_count; - return xenon_phy_parse_dt(np, host); + return xenon_phy_parse_params(dev, host); } static int xenon_sdhc_prepare(struct sdhci_host *host) @@ -528,12 +528,12 @@ static int xenon_probe(struct platform_device *pdev) if (err) goto err_clk_axi; - sdhci_get_of_property(pdev); + sdhci_get_property(pdev); xenon_set_acg(host, false); - /* Xenon specific dt parse */ - err = xenon_probe_dt(pdev); + /* Xenon specific parameters parse */ + err = xenon_probe_params(pdev); if (err) goto err_clk_axi; -- 2.29.0