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Re: [Xen-devel] [PATCH v3 4/8] xen/arm: Add support for DTBs with strange names of Hip04 GICv2



On Wed, 5 Nov 2014, Julien Grall wrote:
> Hi Frediano,
> 
> On 11/05/2014 09:41 AM, Frediano Ziglio wrote:
> > This name can appear in some Linux kernel repos. Not very fortunate,
> > but to avoid others spending an hour to spot that few characters
> > difference it worth to work around it.
> 
> Linux upstream is using "hisilicon,hip04-intc" to detect the hisilicon
> interrupt controller. So it's not a workaround.
> 
> Which kernel is using the "*,hip04-gic"?

Good question, but what really matters is the string that u-boot (or any
other firmware/bootloader) is going to use, right? So, which one is it?



> > Signed-off-by: Zoltan Kiss <zoltan.kiss@xxxxxxxxxx>
> > ---
> >  xen/arch/arm/gic-v2.c     | 1 +
> >  xen/include/asm-arm/gic.h | 4 +++-
> >  2 files changed, 4 insertions(+), 1 deletion(-)
> > 
> > diff --git a/xen/arch/arm/gic-v2.c b/xen/arch/arm/gic-v2.c
> > index 3cb59dd..9ab30ce 100644
> > --- a/xen/arch/arm/gic-v2.c
> > +++ b/xen/arch/arm/gic-v2.c
> > @@ -823,6 +823,7 @@ DT_DEVICE_END
> >  static const char * const hip04_gicv2_dt_compat[] __initconst =
> >  {
> >      DT_COMPAT_GIC_HIP04,
> > +    DT_COMPAT_GIC_HIP04_2,
> >      NULL
> >  };
> >  
> > diff --git a/xen/include/asm-arm/gic.h b/xen/include/asm-arm/gic.h
> > index 5adb628..3d2b3db 100644
> > --- a/xen/include/asm-arm/gic.h
> > +++ b/xen/include/asm-arm/gic.h
> > @@ -156,11 +156,13 @@
> >  #define DT_COMPAT_GIC_CORTEX_A15     "arm,cortex-a15-gic"
> >  #define DT_COMPAT_GIC_CORTEX_A7      "arm,cortex-a7-gic"
> >  #define DT_COMPAT_GIC_HIP04          "hisilicon,hip04-gic"
> > +#define DT_COMPAT_GIC_HIP04_2        "hisilicon,hip04-intc"
> >  
> >  #define DT_MATCH_GIC_V2 DT_MATCH_COMPATIBLE(DT_COMPAT_GIC_CORTEX_A15), \
> >                          DT_MATCH_COMPATIBLE(DT_COMPAT_GIC_CORTEX_A7), \
> >                          DT_MATCH_COMPATIBLE(DT_COMPAT_GIC_400), \
> > -                        DT_MATCH_COMPATIBLE(DT_COMPAT_GIC_HIP04)
> > +                        DT_MATCH_COMPATIBLE(DT_COMPAT_GIC_HIP04), \
> > +                        DT_MATCH_COMPATIBLE(DT_COMPAT_GIC_HIP04_2)
> >  
> >  #define DT_COMPAT_GIC_V3             "arm,gic-v3"
> >  
> > 
> 
> 
> -- 
> Julien Grall
> 

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