Re: [PATCH 02/10] Driver core: Add iommu_ops to bus_type

[Roedel, Joerg]

On Tue, Sep 13, 2011 at 10:58:55AM -0400, Greg KH wrote:
> On Tue, Sep 13, 2011 at 04:54:02PM +0200, Roedel, Joerg wrote:
> > --- a/include/linux/device.h
> > +++ b/include/linux/device.h
> > @@ -22,6 +22,7 @@
> >  #include <linux/types.h>
> >  #include <linux/module.h>
> >  #include <linux/pm.h>
> > +#include <linux/iommu.h>
> 
> Ick, please don't add new #includes to device.h, it makes the whole
> build slower.  Just pre-declare the structure and all should be fine.

Hmm, since linux/iommu.h provides 'struct iommu_ops', and this patch
adds a 'struct iommu_ops' to 'struct bus_type', wouldn't a simple
forward declaration make the bus_type incomplete in most other places?
To lower the impact I can move the 'struct iommu_ops' to a seperate
header file instead.

	Joerg

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