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ACPI: Handle CONFIG_ACPI=n better from linux/acpi.h 

linux/acpi.h is the top level header for interfacing
with the ACPI sub-system, so acpi_disabled should be
up there instead of down in asm/acpi.h -- particularly
since asm/acpi.h doesn't exist for all architectures.

Same story for acpi_table_parse(), which is a top-level
API to Linux/ACPI.

This is necessary for building some code that
used to always depend on CONFIG_ACPI=y, but will soon
also need to build with CONFIG_ACPI=n.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Feng Tang 2009-07-28 17:41:53 +08:00 committed by Len Brown
parent e5b8fc6ac1
commit e55a5999ff
2 changed files with 10 additions and 2 deletions
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1
arch/x86/include/asm/acpi.h
View File

@ -144,7 +144,6 @@ static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate)
#else /* !CONFIG_ACPI */
#define acpi_disabled 1
#define acpi_lapic 0
#define acpi_ioapic 0
static inline void acpi_noirq_set(void) { }

11
include/linux/acpi.h
View File

@ -292,7 +292,10 @@ void __init acpi_s4_no_nvs(void);
extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 flags);
extern void acpi_early_init(void);
#else /* CONFIG_ACPI */
#else /* !CONFIG_ACPI */
#define acpi_disabled 1
static inline void acpi_early_init(void) { }
static inline int early_acpi_boot_init(void)
@ -331,5 +334,11 @@ static inline int acpi_check_mem_region(resource_size_t start,
return 0;
}
struct acpi_table_header;
static inline int acpi_table_parse(char *id,
int (*handler)(struct acpi_table_header *))
{
return -1;
}
#endif /* !CONFIG_ACPI */
#endif /*_LINUX_ACPI_H*/