]> nv-tegra.nvidia Code Review - linux-3.10.git/blobdiff - drivers/thermal/spear_thermal.c
Merge branches 'acpi_pad', 'acpica', 'apei-bugzilla-43282', 'battery', 'cpuidle-coupl...
[linux-3.10.git] / drivers / thermal / spear_thermal.c
index c2e32df3b164e852137a2c720578899ac8f46b22..5f8ee39f200027c729879e31f4039ae8cd54fd38 100644 (file)
@@ -20,9 +20,9 @@
 #include <linux/err.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
+#include <linux/of.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
-#include <linux/platform_data/spear_thermal.h>
 #include <linux/thermal.h>
 
 #define MD_FACTOR      1000
@@ -103,21 +103,20 @@ static int spear_thermal_probe(struct platform_device *pdev)
 {
        struct thermal_zone_device *spear_thermal = NULL;
        struct spear_thermal_dev *stdev;
-       struct spear_thermal_pdata *pdata;
-       int ret = 0;
+       struct device_node *np = pdev->dev.of_node;
        struct resource *stres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+       int ret = 0, val;
+
+       if (!np || !of_property_read_u32(np, "st,thermal-flags", &val)) {
+               dev_err(&pdev->dev, "Failed: DT Pdata not passed\n");
+               return -EINVAL;
+       }
 
        if (!stres) {
                dev_err(&pdev->dev, "memory resource missing\n");
                return -ENODEV;
        }
 
-       pdata = dev_get_platdata(&pdev->dev);
-       if (!pdata) {
-               dev_err(&pdev->dev, "platform data is NULL\n");
-               return -EINVAL;
-       }
-
        stdev = devm_kzalloc(&pdev->dev, sizeof(*stdev), GFP_KERNEL);
        if (!stdev) {
                dev_err(&pdev->dev, "kzalloc fail\n");
@@ -144,10 +143,10 @@ static int spear_thermal_probe(struct platform_device *pdev)
                goto put_clk;
        }
 
-       stdev->flags = pdata->thermal_flags;
+       stdev->flags = val;
        writel_relaxed(stdev->flags, stdev->thermal_base);
 
-       spear_thermal = thermal_zone_device_register("spear_thermal", 0,
+       spear_thermal = thermal_zone_device_register("spear_thermal", 0, 0,
                                stdev, &ops, 0, 0, 0, 0);
        if (IS_ERR(spear_thermal)) {
                dev_err(&pdev->dev, "thermal zone device is NULL\n");
@@ -189,6 +188,12 @@ static int spear_thermal_exit(struct platform_device *pdev)
        return 0;
 }
 
+static const struct of_device_id spear_thermal_id_table[] = {
+       { .compatible = "st,thermal-spear1340" },
+       {}
+};
+MODULE_DEVICE_TABLE(of, spear_thermal_id_table);
+
 static struct platform_driver spear_thermal_driver = {
        .probe = spear_thermal_probe,
        .remove = spear_thermal_exit,
@@ -196,6 +201,7 @@ static struct platform_driver spear_thermal_driver = {
                .name = "spear_thermal",
                .owner = THIS_MODULE,
                .pm = &spear_thermal_pm_ops,
+               .of_match_table = of_match_ptr(spear_thermal_id_table),
        },
 };