[PATCH v2] [POWERPC] mpic: deal with bogus NIRQ in FeatureReporting Register

[Jin Zhengxiong]

Hi, Kumar,

So I should  change the MSI hwirq num according to this change, The
patches
will be send after this changes updated to your tree. How about applying
the MSI 
driver firstly?

Jason

> -----Original Message-----
> From: linuxppc-dev-bounces+jinzhengxiong=gmail.com at ozlabs.org 
> [mailto:linuxppc-dev-bounces+jinzhengxiong=gmail.com at ozlabs.or
> g] On Behalf Of Benjamin Herrenschmidt
> Sent: Thursday, May 22, 2008 5:02 AM
> To: Kumar Gala
> Cc: linuxppc-dev at ozlabs.org
> Subject: Re: [PATCH v2] [POWERPC] mpic: deal with bogus NIRQ 
> in FeatureReporting Register
> 
> 
> On Wed, 2008-05-21 at 15:59 -0500, Kumar Gala wrote:
> > Some chips (like the SoCs from Freescale) report the wrong value in 
> > NIRQ and this causes issues if its doesn't match or exceed 
> the value 
> > of irq_count.
> > 
> > Add a flag that board code can set to just use irq_count instead of 
> > FRR[NIRQ].  Eventually we'll add a device tree property with the 
> > number of sources.
> > 
> > Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
> 
> Acked-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
>