linux-kernel - Re: [PATCH RESEND 03/12] sh: Disable board specific code in OF mode

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Date:	Tue, 10 May 2016 16:28:23 +0900
From:	Yoshinori Sato <ysato@...rs.sourceforge.jp>
To:	Rich Felker <dalias@...c.org>
Cc:	linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND 03/12] sh: Disable board specific code in OF mode

Sorry too late reply.

On Wed, 04 May 2016 11:49:41 +0900,
Rich Felker wrote:
> 
> On Sun, May 01, 2016 at 02:08:27PM +0900, Yoshinori Sato wrote:
> > Board specific code conflict on of-generic.
> > 
> > Signed-off-by: Yoshinori Sato <ysato@...rs.sourceforge.jp>
> > ---
> >  arch/sh/Makefile | 11 +++++++++++
> >  1 file changed, 11 insertions(+)
> > 
> > diff --git a/arch/sh/Makefile b/arch/sh/Makefile
> > index bf5b3f5..8ff943b 100644
> > --- a/arch/sh/Makefile
> > +++ b/arch/sh/Makefile
> > @@ -130,6 +130,9 @@ head-y	:= arch/sh/kernel/head_$(BITS).o
> >  core-y				+= arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
> >  core-$(CONFIG_SH_FPU_EMU)	+= arch/sh/math-emu/
> >  
> > +core-$(CONFIG_USE_BUILTIN_DTB)	+= arch/sh/boot/dts/
> > +
> 
> It looks like you inadvertently mixed the builtin-dtb patch with this
> commit. Is yours based on the builtin-dtb patch I posted to the list
> or a different approach?

Oh sorry.
It changes same. I mistake origin version.

> > +ifneq ($(CONFIG_SH_DEVICE_TREE),y)
> >  # Mach groups
> >  machdir-$(CONFIG_SOLUTION_ENGINE)		+= mach-se
> >  machdir-$(CONFIG_SH_HP6XX)			+= mach-hp6xx
> > @@ -150,6 +153,7 @@ machdir-$(CONFIG_SH_LANDISK)			+= mach-landisk
> >  machdir-$(CONFIG_SH_LBOX_RE2)			+= mach-lboxre2
> >  machdir-$(CONFIG_SH_CAYMAN)			+= mach-cayman
> >  machdir-$(CONFIG_SH_RSK)			+= mach-rsk
> > +endif
> 
> Is this actually necessary? I thought SH_DEVICE_TREE was mutually
> exclusive with board-specific configs at the Kconfig level. If not, it
> should probably be handled that way rather than with logic like this
> in the Makefile.

Hmm.
I think Kconfig level exclsive more better.

> 
> >  ifneq ($(machdir-y),)
> >  core-y	+= $(addprefix arch/sh/boards/, \
> > @@ -222,6 +226,13 @@ archclean:
> >  	$(Q)$(MAKE) $(clean)=$(boot)
> >  	$(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
> >  
> > +%.dtb %.dtb.S %.dtb.o: | scripts
> > +	$(Q)$(MAKE) $(build)=arch/sh/boot/dts arch/sh/boot/dts/$@
> > +
> > +PHONY += dtbs
> > +dtbs: scripts
> > +	$(Q)$(MAKE) $(build)=arch/sh/boot/dts
> > +
> >  define archhelp
> >  	@echo '  zImage 	           - Compressed kernel image'
> >  	@echo '  romImage	           - Compressed ROM image, if supported'
> > -- 
> 
> More builtin-dtb stuff.
> 
> Rich

-- 
Yoshinori Sato
<ysato@...rs.sourceforge.jp>