Re: [v2,5/5] powerpc/pseries: re-use code from of_helpers module

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

On Thu, 2015-10-01 at 10:02 +0300, Denis Kirjanov wrote:
> On 10/1/15, Michael Ellerman <mpe@ellerman.id.au> wrote:
> > On Wed, 2015-09-30 at 19:19 +0300, Andy Shevchenko wrote:
> > > On Fri, 2015-08-14 at 21:51 +1000, Michael Ellerman wrote:
> > > > On Tue, 2015-11-08 at 11:23:09 UTC, Andy Shevchenko wrote:
> > > > >  int dlpar_attach_node(struct device_node *dn)
> > > > >  {
> > > > >  	int rc;
> > > > > 
> > > > > -	dn->parent = derive_parent(dn->full_name);
> > > > > -	if (!dn->parent)
> > > > > -		return -ENOMEM;
> > > > > +	dn->parent = pseries_of_derive_parent(dn
> > > > > ->full_name);
> > > > > +	if (IS_ERR(dn->parent))
> > > > > +		return PTR_ERR(dn_parent);
> > > >                                  ^
> > > > 				 ?
> > > > 
> > > > There are cross compilers on kernel.org, or on Ubuntu you can 
> > > > just:
> > > > 
> > > > $ apt-get install gcc-powerpc-linux-gnu
> > > > $ make ARCH=powerpc CROSS_COMPILE=powerpc-linux-gnu-gcc
> > > 
> > > Thanks! I tried today and the above the only problem with the 
> > > series.
> > > Would you like me to resend whole series?
> > 
> > I'd like someone to test it. I gather that you haven't because it 
> > didn't
> > compile.
> 
> Oh yeah, totally untested:
> 
>   CC      arch/powerpc/platforms/pseries/dlpar.o
> arch/powerpc/platforms/pseries/dlpar.c: In function 
> 'dlpar_attach_node':
> arch/powerpc/platforms/pseries/dlpar.c:255:18: error: 'dn_parent'
> undeclared (first use in this function)
>    return PTR_ERR(dn_parent);
>                   ^
> arch/powerpc/platforms/pseries/dlpar.c:255:18: note: each undeclared
> identifier is reported only once for each function it appears in
> scripts/Makefile.build:258: recipe for target
> 'arch/powerpc/platforms/pseries/dlpar.o' failed
> make[2]: *** [arch/powerpc/platforms/pseries/dlpar.o] Error 1
> scripts/Makefile.build:403: recipe for target
> 'arch/powerpc/platforms/pseries' failed
> make[1]: *** [arch/powerpc/platforms/pseries] Error 2
> Makefile:941: recipe for target 'arch/powerpc/platforms' failed
> make: *** [arch/powerpc/platforms] Error 2

Like I mentioned earlier this is the only one issue to compile the
series. Can you fix it and try on real HW?

> 
> > 
> > I assume you don't have access to hardware to test it on?
> > 
> > cheers
> > 
> > 
> > 
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-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy