[POWERPC] macintosh/windfarm: Fix platform driver hotplug/coldplug

[linux-2.6-omap-h63xx.git] / drivers / macintosh / windfarm_pm81.c

diff --git a/drivers/macintosh/windfarm_pm81.c b/drivers/macintosh/windfarm_pm81.c
index 2ff546e4c92f789ad6921c911cbb61f63abe7d61..abbe206474f58ce2ff1de53e274d6df7158b92f4 100644 (file)
--- a/drivers/macintosh/windfarm_pm81.c
+++ b/drivers/macintosh/windfarm_pm81.c
@@ -131,8 +131,6 @@
 
 static int wf_smu_mach_model;  /* machine model id */
 
-static struct device *wf_smu_dev;
-
 /* Controls & sensors */
 static struct wf_sensor        *sensor_cpu_power;
 static struct wf_sensor        *sensor_cpu_temp;
@@ -717,16 +715,14 @@ static int wf_init_pm(void)
        return 0;
 }
 
-static int wf_smu_probe(struct device *ddev)
+static int wf_smu_probe(struct platform_device *ddev)
 {
-       wf_smu_dev = ddev;
-
        wf_register_client(&wf_smu_events);
 
        return 0;
 }
 
-static int wf_smu_remove(struct device *ddev)
+static int __devexit wf_smu_remove(struct platform_device *ddev)
 {
        wf_unregister_client(&wf_smu_events);
 
@@ -766,16 +762,16 @@ static int wf_smu_remove(struct device *ddev)
        if (wf_smu_cpu_fans)
                kfree(wf_smu_cpu_fans);
 
-       wf_smu_dev = NULL;
-
        return 0;
 }
 
-static struct device_driver wf_smu_driver = {
-        .name = "windfarm",
-        .bus = &platform_bus_type,
+static struct platform_driver wf_smu_driver = {
         .probe = wf_smu_probe,
-        .remove = wf_smu_remove,
+        .remove = __devexit_p(wf_smu_remove),
+       .driver = {
+               .name = "windfarm",
+               .owner  = THIS_MODULE,
+       },
 };
 
 
@@ -792,9 +788,10 @@ static int __init wf_smu_init(void)
                request_module("windfarm_smu_controls");
                request_module("windfarm_smu_sensors");
                request_module("windfarm_lm75_sensor");
+               request_module("windfarm_cpufreq_clamp");
 
 #endif /* MODULE */
-               driver_register(&wf_smu_driver);
+               platform_driver_register(&wf_smu_driver);
        }
 
        return rc;
@@ -803,7 +800,7 @@ static int __init wf_smu_init(void)
 static void __exit wf_smu_exit(void)
 {
 
-       driver_unregister(&wf_smu_driver);
+       platform_driver_unregister(&wf_smu_driver);
 }
 
 
@@ -813,4 +810,4 @@ module_exit(wf_smu_exit);
 MODULE_AUTHOR("Benjamin Herrenschmidt <benh@kernel.crashing.org>");
 MODULE_DESCRIPTION("Thermal control logic for iMac G5");
 MODULE_LICENSE("GPL");
-
+MODULE_ALIAS("platform:windfarm");