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authorFeng Tang <feng.tang@intel.com>2009-07-28 17:41:53 +0800
committerLen Brown <len.brown@intel.com>2009-08-28 19:57:29 -0400
commite55a5999ffcf72dc4d43d73618957964cb87065a (patch)
treeda891ef97f9b51b03cd64077f79a09ea361b1599 /include/linux
parente5b8fc6ac158f65598f58dba2c0d52ba3b412f52 (diff)
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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>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/acpi.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 34321cf..3fce811 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -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*/