diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2006-10-10 11:47:31 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-10-10 13:56:13 +1000 |
| commit | 10270613fb4d5a44c335cfa13e9626bf5743c01d (patch) | |
| tree | 6852db04a76e5a13c295f906c6f9acc88837a372 /drivers/macintosh/windfarm_pm91.c | |
| parent | 9f2545c11869868fd3cde7098d99e690891e442c (diff) | |
| download | lwn-10270613fb4d5a44c335cfa13e9626bf5743c01d.tar.gz lwn-10270613fb4d5a44c335cfa13e9626bf5743c01d.zip | |
[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>
Diffstat (limited to 'drivers/macintosh/windfarm_pm91.c')
| -rw-r--r-- | drivers/macintosh/windfarm_pm91.c | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/macintosh/windfarm_pm91.c b/drivers/macintosh/windfarm_pm91.c index 59e9ffe37c39..9961a67b4f85 100644 --- a/drivers/macintosh/windfarm_pm91.c +++ b/drivers/macintosh/windfarm_pm91.c @@ -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); } |