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[193.106.246.138]) by smtp.gmail.com with ESMTPSA id s26sm153647lji.31.2020.11.19.19.27.01 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 19 Nov 2020 19:27:02 -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 v2 1/4] mmc: sdhci-xenon: use match data for controllers variants Date: Fri, 20 Nov 2020 04:26:36 +0100 Message-Id: <20201120032639.24386-2-mw@semihalf.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20201120032639.24386-1-mw@semihalf.com> References: <20201120032639.24386-1-mw@semihalf.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org As a part of the ACPI support preparation resign from checking compatible strings in the driver. Instead of that use a new enum and assign the values to match data accordingly. Signed-off-by: Marcin Wojtas --- drivers/mmc/host/sdhci-xenon.h | 8 ++++++++ drivers/mmc/host/sdhci-xenon-phy.c | 4 +++- drivers/mmc/host/sdhci-xenon.c | 10 ++++++---- 3 files changed, 17 insertions(+), 5 deletions(-) diff --git a/drivers/mmc/host/sdhci-xenon.h b/drivers/mmc/host/sdhci-xenon.h index 593b82d7b68a..39e898605937 100644 --- a/drivers/mmc/host/sdhci-xenon.h +++ b/drivers/mmc/host/sdhci-xenon.h @@ -53,6 +53,13 @@ #define XENON_CTRL_HS200 0x5 #define XENON_CTRL_HS400 0x6 +enum xenon_variant { + XENON_A3700, + XENON_AP806, + XENON_AP807, + XENON_CP110 +}; + struct xenon_priv { unsigned char tuning_count; /* idx of SDHC */ @@ -90,6 +97,7 @@ struct xenon_priv { void *phy_params; struct xenon_emmc_phy_regs *emmc_phy_regs; bool restore_needed; + enum xenon_variant hw_version; }; int xenon_phy_adj(struct sdhci_host *host, struct mmc_ios *ios); diff --git a/drivers/mmc/host/sdhci-xenon-phy.c b/drivers/mmc/host/sdhci-xenon-phy.c index 03ce57ef4585..c33e0cddc81a 100644 --- a/drivers/mmc/host/sdhci-xenon-phy.c +++ b/drivers/mmc/host/sdhci-xenon-phy.c @@ -651,11 +651,13 @@ static int get_dt_pad_ctrl_data(struct sdhci_host *host, struct device_node *np, struct xenon_emmc_phy_params *params) { + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct xenon_priv *priv = sdhci_pltfm_priv(pltfm_host); int ret = 0; const char *name; struct resource iomem; - if (of_device_is_compatible(np, "marvell,armada-3700-sdhci")) + if (priv->hw_version == XENON_A3700) params->pad_ctrl.set_soc_pad = armada_3700_soc_pad_voltage_set; else return 0; diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c index 24c978de2a3f..1e7ce9b1a143 100644 --- a/drivers/mmc/host/sdhci-xenon.c +++ b/drivers/mmc/host/sdhci-xenon.c @@ -418,7 +418,7 @@ static int xenon_probe_dt(struct platform_device *pdev) u32 tuning_count; /* Disable HS200 on Armada AP806 */ - if (of_device_is_compatible(np, "marvell,armada-ap806-sdhci")) + if (priv->hw_version == XENON_AP806) host->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200; sdhc_id = 0x0; @@ -495,6 +495,8 @@ static int xenon_probe(struct platform_device *pdev) pltfm_host = sdhci_priv(host); priv = sdhci_pltfm_priv(pltfm_host); + priv->hw_version = (unsigned long)device_get_match_data(&pdev->dev); + /* * Link Xenon specific mmc_host_ops function, * to replace standard ones in sdhci_ops. @@ -667,9 +669,9 @@ static const struct dev_pm_ops sdhci_xenon_dev_pm_ops = { }; static const struct of_device_id sdhci_xenon_dt_ids[] = { - { .compatible = "marvell,armada-ap806-sdhci",}, - { .compatible = "marvell,armada-cp110-sdhci",}, - { .compatible = "marvell,armada-3700-sdhci",}, + { .compatible = "marvell,armada-ap806-sdhci", .data = (void *)XENON_AP806}, + { .compatible = "marvell,armada-cp110-sdhci", .data = (void *)XENON_CP110}, + { .compatible = "marvell,armada-3700-sdhci", .data = (void *)XENON_A3700}, {} }; MODULE_DEVICE_TABLE(of, sdhci_xenon_dt_ids);