[U-Boot] [PATCH] arm: fix a build error with CONFIG_USE_IRQ

[Albert ARIBAUD <albert.u.boot@aribaud.net>]

Hi Masahiro,

On Mon, 09 Jun 2014 16:36:56 +0900, Masahiro Yamada
<yamada.m@jp.panasonic.com> wrote:

> Hi Albert,
> 
> On Mon, 9 Jun 2014 09:14:11 +0200
> Albert ARIBAUD <albert.u.boot@aribaud.net> wrote:
> 
> > Hi Masahiro,
> > 
> > On Mon, 26 May 2014 19:43:50 +0900, Masahiro Yamada
> > <yamada.m@jp.panasonic.com> wrote:
> > 
> > > Commit 41623c91 moved exception handling to arch/arm/lib/vectors.S,
> > > breaking CONFIG_USE_IRQ feature.
> > > 
> > > If CONFIG_USE_IRQ is enabled, undefined reference error occurs.
> > > 
> > >   arch/arm/lib/built-in.o: In function `interrupt_init':
> > >   arch/arm/lib/interrupts.c:37: undefined reference to `IRQ_STACK_START'
> > >   arch/arm/lib/interrupts.c:37: undefined reference to `FIQ_STACK_START'
> > >   make: *** [u-boot] Error 1
> > > 
> > > Because arch/arm/lib/vectors.S includes references to
> > > CONFIG_SYS_DV_NOR_BOOT_CFG and CONFIG_USE_IRQ, it must include <config.h>.
> > 
> > I routinely build all of ARM (32-bit) and AARCH64 (64-bit) targets and
> > make sure all of them build properly, and concerning CONFIG_USE_IRQ, I
> > even have a branch set to remove this option since a
> > 
> > 	git grep CONFIG_USE_IRQ | grep -vE \
> > 	'(#define|#ifdef|#ifndef|#if.*defined|#undef|#endif)'
> > 
> > shows that it is defined nowhere in our code.
> > 
> > Which source code are you using?
> 
> Out-of-tree board support code, maintained locally.

Then I'm afraid you'll have to keep this patch local too -- and note
that I am considering overhauling, and possibly removing entirely,
CONFIG_USE_IRQ (my grep command comes from my WIP on this).

> Best Regards
> Masahiro Yamada

Amicalement,
-- 
Albert.