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powerpc: Fix define_machine so machine_is() works from modules

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machine_is() was always returning 0 when used in a module, because
we weren't exporting the machine definitions.  This was why sound
wasn't working on powermacs when CONFIG_SND_POWERMAC=m.  Original
fix from Ben Herrenschmidt, further fixed by me.

Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Paul Mackerras 2006-04-23 10:42:04 +10:00
parent 7c8ce71b09
commit d0e15bed84
1 changed files with 5 additions and 1 deletions
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6
include/asm-powerpc/machdep.h
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@ -253,7 +253,11 @@ extern struct machdep_calls *machine_id;
#define __machine_desc __attribute__ ((__section__ (".machine.desc")))
#define define_machine(name) struct machdep_calls mach_##name __machine_desc =
#define define_machine(name) \
extern struct machdep_calls mach_##name; \
EXPORT_SYMBOL(mach_##name); \
struct machdep_calls mach_##name __machine_desc =
#define machine_is(name) \
({ \
extern struct machdep_calls mach_##name \