[PATCH] qe_lib: Remove immrbar_virt_to_phys() function

[Li Yang-r58472]

> -----Original Message-----
> From: Kumar Gala [mailto:galak at kernel.crashing.org]
> Sent: Tuesday, October 31, 2006 1:06 PM
> To: Li Yang-r58472
> Cc: Paul Mackerras; linuxppc-dev at ozlabs.org
> Subject: Re: [PATCH] qe_lib: Remove immrbar_virt_to_phys() function
> 
> 
> On Oct 30, 2006, at 8:56 PM, Li Yang-r58472 wrote:
> 
> >>>> I'm confused, if there are other users of immrbar_virt_to_phy()
how
> >>>> can you get ride of it completely?
> >>>
> >>> Other users will change to use iopa() instead.  There was some bug
> > to
> >>> use iopa() with io_block_mapping area, but it is ok to use it now.
> >>
> >> Hmm, what are the other users doing?  I think we should avoid using
> >> iopa.
> >
> > Get physical address from virtual address.  I have considered to use
> > virt_to_phys(), but it is not consistent between ppc and powerpc
arch.
> 
> Why does that matter, qe support only exists in powerpc.

Well, it does use include/asm-ppc/io.h instead of
include/asm-powerpc/io.h for now.  If the hack is removed, the driver
will not work.

- Leo