[PATCH 2/2] powerpc: Add IPIC MSI support
Michael Ellerman
michael at ellerman.id.au
Fri Dec 14 20:40:23 EST 2007
On Fri, 2007-12-14 at 02:52 -0600, Kumar Gala wrote:
> On Dec 14, 2007, at 2:47 AM, Li Tony wrote:
>
> >
> > Hi,
> >
> > I think it is possible to make common code to support both IPIC and
> > MPIC.
> > Currently, the MPIC has already implemented MSI which is different
> > from IPIC and embedded into the mpic code body.
> > If want to unifiy MSI code, we need to remove the current MPIC MSI
> > implementation.
>
> The MPIC is going to have to support several MSI styles (IBM/U3,
> PaSemi, and FSL) since we all seem to handle it differently.
I haven't really looked at the similarities or differences, but I think
Kumar is right, MPIC is going to have to (and already does) support
different styles.
If there's some commonality that can be shared I'm all ears, patches
welcome ;)
cheers
--
Michael Ellerman
OzLabs, IBM Australia Development Lab
wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)
We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person
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