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

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On Thu 2009-06-11 15:32:18, Heiko Carstens wrote:
> On Wed, Jun 10, 2009 at 01:09:19AM +0200, Rafael J. Wysocki wrote:
> > On Tuesday 09 June 2009, Cornelia Huck wrote:
> > > The *_nvs_* routines in swsusp.c make use of the io*map()
> > > functions, which are only provided for HAS_IOMEM, thus
> > > breaking compilation if HAS_IOMEM is not set. Fix this
> > > by moving the *_nvs_* routines into hibernation_nvs.c, which
> > > is only compiled if HAS_IOMEM is set.
> > > 
> > > Signed-off-by: Cornelia Huck <cornelia.huck@xxxxxxxxxx>
> > 
> > Thanks, I added the GPLv2 line to the header comment and changed the name
> > of the file to hibernate_nvs.c (to match the other changes in the works).
> > 
> > I'll carry out some compilation testing on it and put it into the tree shortly.
> 
> Rafael, could you add the patch below as well?
> Or should that go in via git390?
> 
> Subject: [PATCH] PM: add empty suspend/resume device irq functions
> 
> From: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
> 
> git commit 0a0c5168 "PM: Introduce functions for suspending and resuming
> device interrupts" introduced some helper functions. However these
> functions are only available for architectures which support
> GENERIC_HARDIRQS.
> 
> 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?
								Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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