Re: CONFIG_X86_ES7000=y, CONFIG_X86_GENERICARCH=n, CONFIG_ACPI=y build broken

[Roland Dreier]

 > Can you please try the attached patch? I have compiled it with CONFIG_ES7000=y
 > and CONFIG_X86_GENERICARCH=n. But don't have any ES7000 machine to test it.

I actually don't have anything remotely like ES7000 iether.  I just
found the problem while tracking down another randconfig failure.

 > Subarch build procedure is not straightforward and this patch adds to the
 > misery. Please suggest if there is a better way of handling things.

 > +/*
 > + * This file also gets compiled if CONFIG_X86_GENERICARCH is set. Generic
 > + * arch already has got following function definitions (asm-generic/es7000.c)
 > + * hence no need to define these for that case.
 > + */
 > +#ifndef CONFIG_X86_GENERICARCH

Seems it would be cleaner to figure out some way to build es7000.c for
if CONFIG_X86_ES7000 is set?  Or just move them here all the time?

 > --- linux-2.6.22-rc4-git4/include/asm-i386/mach-es7000/mach_mpparse.h~i386-es7000-build-breakage-fix	2007-06-13 22:52:14.000000000 +0530
 > +++ linux-2.6.22-rc4-git4-vivek/include/asm-i386/mach-es7000/mach_mpparse.h	2007-06-13 22:52:14.000000000 +0530
 > @@ -18,6 +18,12 @@ extern int parse_unisys_oem (char *oempt
 >  extern int find_unisys_acpi_oem_table(unsigned long *oem_addr);
 >  extern void setup_unisys(void);
 >  
 > +#ifndef CONFIG_X86_GENERICARCH
 > +extern int acpi_madt_oem_check(char *oem_id, char *oem_table_id);
 > +extern int mps_oem_check(struct mp_config_table *mpc, char *oem,
 > +				char *productid);
 > +#endif

It seems that this #ifndef is not needed -- even if there is another
declaration of these functions that is visible, the signatures should
match so it should be OK.

 - R.
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