Merge tag 'pinctrl-v4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw...
[sfrench/cifs-2.6.git] / drivers / mmc / host / sdhci-pltfm.c
index 02bea6159d792e584f4334384e2ffd295ecc5238..b231c9a3f888ec16dc652071b4a50bcbada84920 100644 (file)
@@ -30,6 +30,7 @@
 
 #include <linux/err.h>
 #include <linux/module.h>
+#include <linux/property.h>
 #include <linux/of.h>
 #ifdef CONFIG_PPC
 #include <asm/machdep.h>
@@ -51,11 +52,10 @@ static const struct sdhci_ops sdhci_pltfm_ops = {
        .set_uhs_signaling = sdhci_set_uhs_signaling,
 };
 
-#ifdef CONFIG_OF
-static bool sdhci_of_wp_inverted(struct device_node *np)
+static bool sdhci_wp_inverted(struct device *dev)
 {
-       if (of_get_property(np, "sdhci,wp-inverted", NULL) ||
-           of_get_property(np, "wp-inverted", NULL))
+       if (device_property_present(dev, "sdhci,wp-inverted") ||
+           device_property_present(dev, "wp-inverted"))
                return true;
 
        /* Old device trees don't have the wp-inverted property. */
@@ -66,52 +66,64 @@ static bool sdhci_of_wp_inverted(struct device_node *np)
 #endif /* CONFIG_PPC */
 }
 
-void sdhci_get_of_property(struct platform_device *pdev)
+#ifdef CONFIG_OF
+static void sdhci_get_compatibility(struct platform_device *pdev)
 {
+       struct sdhci_host *host = platform_get_drvdata(pdev);
        struct device_node *np = pdev->dev.of_node;
+
+       if (!np)
+               return;
+
+       if (of_device_is_compatible(np, "fsl,p2020-rev1-esdhc"))
+               host->quirks |= SDHCI_QUIRK_BROKEN_DMA;
+
+       if (of_device_is_compatible(np, "fsl,p2020-esdhc") ||
+           of_device_is_compatible(np, "fsl,p1010-esdhc") ||
+           of_device_is_compatible(np, "fsl,t4240-esdhc") ||
+           of_device_is_compatible(np, "fsl,mpc8536-esdhc"))
+               host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
+}
+#else
+void sdhci_get_compatibility(struct platform_device *pdev) {}
+#endif /* CONFIG_OF */
+
+void sdhci_get_property(struct platform_device *pdev)
+{
+       struct device *dev = &pdev->dev;
        struct sdhci_host *host = platform_get_drvdata(pdev);
        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
        u32 bus_width;
 
-       if (of_get_property(np, "sdhci,auto-cmd12", NULL))
+       if (device_property_present(dev, "sdhci,auto-cmd12"))
                host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12;
 
-       if (of_get_property(np, "sdhci,1-bit-only", NULL) ||
-           (of_property_read_u32(np, "bus-width", &bus_width) == 0 &&
+       if (device_property_present(dev, "sdhci,1-bit-only") ||
+           (device_property_read_u32(dev, "bus-width", &bus_width) == 0 &&
            bus_width == 1))
                host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA;
 
-       if (sdhci_of_wp_inverted(np))
+       if (sdhci_wp_inverted(dev))
                host->quirks |= SDHCI_QUIRK_INVERTED_WRITE_PROTECT;
 
-       if (of_get_property(np, "broken-cd", NULL))
+       if (device_property_present(dev, "broken-cd"))
                host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
 
-       if (of_get_property(np, "no-1-8-v", NULL))
+       if (device_property_present(dev, "no-1-8-v"))
                host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
 
-       if (of_device_is_compatible(np, "fsl,p2020-rev1-esdhc"))
-               host->quirks |= SDHCI_QUIRK_BROKEN_DMA;
-
-       if (of_device_is_compatible(np, "fsl,p2020-esdhc") ||
-           of_device_is_compatible(np, "fsl,p1010-esdhc") ||
-           of_device_is_compatible(np, "fsl,t4240-esdhc") ||
-           of_device_is_compatible(np, "fsl,mpc8536-esdhc"))
-               host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
+       sdhci_get_compatibility(pdev);
 
-       of_property_read_u32(np, "clock-frequency", &pltfm_host->clock);
+       device_property_read_u32(dev, "clock-frequency", &pltfm_host->clock);
 
-       if (of_find_property(np, "keep-power-in-suspend", NULL))
+       if (device_property_present(dev, "keep-power-in-suspend"))
                host->mmc->pm_caps |= MMC_PM_KEEP_POWER;
 
-       if (of_property_read_bool(np, "wakeup-source") ||
-           of_property_read_bool(np, "enable-sdio-wakeup")) /* legacy */
+       if (device_property_read_bool(dev, "wakeup-source") ||
+           device_property_read_bool(dev, "enable-sdio-wakeup")) /* legacy */
                host->mmc->pm_caps |= MMC_PM_WAKE_SDIO_IRQ;
 }
-#else
-void sdhci_get_of_property(struct platform_device *pdev) {}
-#endif /* CONFIG_OF */
-EXPORT_SYMBOL_GPL(sdhci_get_of_property);
+EXPORT_SYMBOL_GPL(sdhci_get_property);
 
 struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
                                    const struct sdhci_pltfm_data *pdata,
@@ -184,7 +196,7 @@ int sdhci_pltfm_register(struct platform_device *pdev,
        if (IS_ERR(host))
                return PTR_ERR(host);
 
-       sdhci_get_of_property(pdev);
+       sdhci_get_property(pdev);
 
        ret = sdhci_add_host(host);
        if (ret)