Merge tag 'driver-core-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git...
[sfrench/cifs-2.6.git] / drivers / thermal / intel / int340x_thermal / processor_thermal_device.c
index 284cf2c5a8fd92db5bde9705e67d2510fe984731..8e1cf4d789be10df2413e1311bba63dde3545f43 100644 (file)
@@ -84,7 +84,12 @@ static ssize_t power_limit_##index##_##suffix##_show(struct device *dev, \
        struct pci_dev *pci_dev; \
        struct platform_device *pdev; \
        struct proc_thermal_device *proc_dev; \
-\
+       \
+       if (proc_thermal_emum_mode == PROC_THERMAL_NONE) { \
+               dev_warn(dev, "Attempted to get power limit before device was initialized!\n"); \
+               return 0; \
+       } \
+       \
        if (proc_thermal_emum_mode == PROC_THERMAL_PLATFORM_DEV) { \
                pdev = to_platform_device(dev); \
                proc_dev = platform_get_drvdata(pdev); \
@@ -298,11 +303,6 @@ static int proc_thermal_add(struct device *dev,
        *priv = proc_priv;
 
        ret = proc_thermal_read_ppcc(proc_priv);
-       if (!ret) {
-               ret = sysfs_create_group(&dev->kobj,
-                                        &power_limit_attribute_group);
-
-       }
        if (ret)
                return ret;
 
@@ -316,8 +316,7 @@ static int proc_thermal_add(struct device *dev,
 
        proc_priv->int340x_zone = int340x_thermal_zone_add(adev, ops);
        if (IS_ERR(proc_priv->int340x_zone)) {
-               ret = PTR_ERR(proc_priv->int340x_zone);
-               goto remove_group;
+               return PTR_ERR(proc_priv->int340x_zone);
        } else
                ret = 0;
 
@@ -331,9 +330,6 @@ static int proc_thermal_add(struct device *dev,
 
 remove_zone:
        int340x_thermal_zone_remove(proc_priv->int340x_zone);
-remove_group:
-       sysfs_remove_group(&proc_priv->dev->kobj,
-                          &power_limit_attribute_group);
 
        return ret;
 }
@@ -364,7 +360,10 @@ static int int3401_add(struct platform_device *pdev)
        platform_set_drvdata(pdev, proc_priv);
        proc_thermal_emum_mode = PROC_THERMAL_PLATFORM_DEV;
 
-       return 0;
+       dev_info(&pdev->dev, "Creating sysfs group for PROC_THERMAL_PLATFORM_DEV\n");
+
+       return sysfs_create_group(&pdev->dev.kobj,
+                                        &power_limit_attribute_group);
 }
 
 static int int3401_remove(struct platform_device *pdev)
@@ -423,7 +422,7 @@ static int  proc_thermal_pci_probe(struct pci_dev *pdev,
                proc_priv->soc_dts = intel_soc_dts_iosf_init(
                                        INTEL_SOC_DTS_INTERRUPT_MSI, 2, 0);
 
-               if (proc_priv->soc_dts && pdev->irq) {
+               if (!IS_ERR(proc_priv->soc_dts) && pdev->irq) {
                        ret = pci_enable_msi(pdev);
                        if (!ret) {
                                ret = request_threaded_irq(pdev->irq, NULL,
@@ -441,7 +440,10 @@ static int  proc_thermal_pci_probe(struct pci_dev *pdev,
                        dev_err(&pdev->dev, "No auxiliary DTSs enabled\n");
        }
 
-       return 0;
+       dev_info(&pdev->dev, "Creating sysfs group for PROC_THERMAL_PCI\n");
+
+       return sysfs_create_group(&pdev->dev.kobj,
+                                        &power_limit_attribute_group);
 }
 
 static void  proc_thermal_pci_remove(struct pci_dev *pdev)