Re: [PATCH v2] pm: Move nvs routines into a seperate file.

From: Pavel Machek
Date: Thu Jun 11 2009 - 19:22:43 EST


> > > > > Other architectures will see this build error:
> > > > >
> > > > > drivers/built-in.o: In function `sysdev_suspend':
> > > > > (.text+0x15138): undefined reference to `check_wakeup_irqs'
> > > > > drivers/built-in.o: In function `device_power_up':
> > > > > (.text+0x1cb66): undefined reference to `resume_device_irqs'
> > > > > drivers/built-in.o: In function `device_power_down':
> > > > > (.text+0x1cb92): undefined reference to `suspend_device_irqs'
> > > > >
> > > > > To fix this add some empty inline functions for !GENERIC_HARDIRQS.
> > > >
> > > > I don't think that's right fix. If architecture does not use
> > > > GENERIC_HARDIRQS, it may want to implement *_device_irqs()
> > > > itself. Before your patch, it could, after your patch, it can not.
> > > >
> > > > Better put those empty functions in arch/s390/include?
> > >
> > > If any of the affected architectures wants to implement *_device_irqs()
> > > itself, it can do the appropriate change in future. For now, let's not break
> > > compilation on them, shall we?
> >
> > Well, if one of those architectures will want to implement
> > *_device_irqs(), it will have to either modify s390, and all other
> > !GENERIC_HARDIRQS architectures.
>
> Why will it? I think it will be sufficient to modify the header changed by
> this patch and the architecture in question.

Hmm, how? Putting #ifndef MY_ARCH into generic header? Inventing
CONFIG_NON_GENERIC_HARDIRQS_BUT_I_NEED_DEVICE_IRQS?
Pavel

--
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