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[POWERPC] Fix windfarm platform device usage 

The windfarm code uses a struct device_driver instead of
platform_driver, which can cause crashes if any of the callbacks are
called (like on module removal). This fixes it.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt 2006-10-10 11:47:31 +10:00 committed by Paul Mackerras
parent 9f2545c118
commit 10270613fb
3 changed files with 30 additions and 36 deletions
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18
drivers/macintosh/windfarm_pm112.c
View File

@ -650,24 +650,26 @@ static struct notifier_block pm112_events = {
.notifier_call = pm112_wf_notify,
};
static int wf_pm112_probe(struct device *dev)
static int wf_pm112_probe(struct platform_device *dev)
{
wf_register_client(&pm112_events);
return 0;
}
static int wf_pm112_remove(struct device *dev)
static int __devexit wf_pm112_remove(struct platform_device *dev)
{
wf_unregister_client(&pm112_events);
/* should release all sensors and controls */
return 0;
}
static struct device_driver wf_pm112_driver = {
.name = "windfarm",
.bus = &platform_bus_type,
static struct platform_driver wf_pm112_driver = {
.probe = wf_pm112_probe,
.remove = wf_pm112_remove,
.remove = __devexit_p(wf_pm112_remove),
.driver = {
.name = "windfarm",
.bus = &platform_bus_type,
},
};
static int __init wf_pm112_init(void)
@ -683,13 +685,13 @@ static int __init wf_pm112_init(void)
++nr_cores;
printk(KERN_INFO "windfarm: initializing for dual-core desktop G5\n");
driver_register(&wf_pm112_driver);
platform_driver_register(&wf_pm112_driver);
return 0;
}
static void __exit wf_pm112_exit(void)
{
driver_unregister(&wf_pm112_driver);
platform_driver_unregister(&wf_pm112_driver);
}
module_init(wf_pm112_init);

24
drivers/macintosh/windfarm_pm81.c
View File

@ -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",
.bus = &platform_bus_type,
},
};
@ -794,7 +790,7 @@ static int __init wf_smu_init(void)
request_module("windfarm_lm75_sensor");
#endif /* MODULE */
driver_register(&wf_smu_driver);
platform_driver_register(&wf_smu_driver);
}
return rc;
@ -803,7 +799,7 @@ 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);
}

24
drivers/macintosh/windfarm_pm91.c
View File

@ -63,8 +63,6 @@
*/
#undef HACKED_OVERTEMP
static struct device *wf_smu_dev;
/* Controls & sensors */
static struct wf_sensor *sensor_cpu_power;
static struct wf_sensor *sensor_cpu_temp;
@ -641,16 +639,14 @@ 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);
@ -698,16 +694,16 @@ 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",
.bus = &platform_bus_type,
},
};
@ -725,7 +721,7 @@ static int __init wf_smu_init(void)
request_module("windfarm_lm75_sensor");
#endif /* MODULE */
driver_register(&wf_smu_driver);
platform_driver_register(&wf_smu_driver);
}
return rc;
@ -734,7 +730,7 @@ 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);
}