On Thu, 2008-03-13 at 01:09 -0400, Len Brown wrote:
> > On Tuesday 26 February 2008, Zhang, Rui wrote:
> > >
> > > Add hwmon sys I/F for the generic thermal device.
> > >
> > > Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
> > > Cc: Hans de Geode <j.w.r.degoede@xxxxxx>
> > > ---
> > > Documentation/thermal/sysfs-api.txt | 22 ++--
> > > drivers/thermal/Kconfig | 1
> > > drivers/thermal/thermal.c | 169 ++++++++++++++++++++++++++++++------
> > > 3 files changed, 155 insertions(+), 37 deletions(-)
> > >
> ...
> > > {
> > > int result = 0;
> > > @@ -716,16 +829,20 @@ static int __init thermal_init(void)
> > > mutex_destroy(&thermal_idr_lock);
> > > mutex_destroy(&thermal_list_lock);
> > > }
> > > - return result;
> > > -}
> > >
> > > -static void __exit thermal_exit(void)
> > > -{
> > > - class_unregister(&thermal_class);
> > > - idr_destroy(&thermal_tz_idr);
> > > - idr_destroy(&thermal_cdev_idr);
> > > - mutex_destroy(&thermal_idr_lock);
> > > - mutex_destroy(&thermal_list_lock);
> > > + thermal_hwmon = hwmon_device_register(NULL);
> > > + if (IS_ERR(thermal_hwmon)) {
> > > + result = PTR_ERR(thermal_hwmon);
> > > + thermal_hwmon = NULL;
> > > + printk(KERN_ERR PREFIX
> > > + "unable to register hwmon device\n");
> > > + thermal_exit();
>
> An __exit routine can not be called from an __init routine.
> this doesn't build on ia64, which discards .exit sections:
>
> .exit.text' referenced in section `.init.text' of drivers/built-in.o: defined in discarded section `.exit.text' of drivers/built-in.o
This also happens in drivers/misc/thinkpad_acpi.c.
While this is not used on IA64, it should also be cleaned up on
long-term.
Thomas
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