[PATCH] ACPI / PM: Fix build problems for !CONFIG_ACPI related to NVS rework

[Rafael J. Wysocki]

From: Rafael J. Wysocki <rjw@xxxxxxx>

The recent rework of the NVS saving/restoring code introduced two
build issues for !CONFIG_ACPI, a warning in drivers/acpi/internal.h
and an error in arch/x86/kernel/e820.c.

Fix them by providing suitable static inline definitions of the
relevant functions.

Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
Acked-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
---
 drivers/acpi/internal.h |    2 +-
 include/linux/acpi.h    |   19 ++++++++++---------
 2 files changed, 11 insertions(+), 10 deletions(-)

Index: linux-2.6/drivers/acpi/internal.h
===================================================================
--- linux-2.6.orig/drivers/acpi/internal.h
+++ linux-2.6/drivers/acpi/internal.h
@@ -91,7 +91,7 @@ void suspend_nvs_restore(void);
 static inline int acpi_sleep_proc_init(void) { return 0; }
 static inline int suspend_nvs_alloc(void) { return 0; }
 static inline void suspend_nvs_free(void) {}
-static inline int suspend_nvs_save(void) {}
+static inline int suspend_nvs_save(void) { return 0; }
 static inline void suspend_nvs_restore(void) {}
 #endif
 
Index: linux-2.6/include/linux/acpi.h
===================================================================
--- linux-2.6.orig/include/linux/acpi.h
+++ linux-2.6/include/linux/acpi.h
@@ -254,15 +254,6 @@ void __init acpi_old_suspend_ordering(vo
 void __init acpi_nvs_nosave(void);
 #endif /* CONFIG_PM_SLEEP */
 
-#ifdef CONFIG_ACPI_SLEEP
-int suspend_nvs_register(unsigned long start, unsigned long size);
-#else
-static inline int suspend_nvs_register(unsigned long a, unsigned long b)
-{
-	return 0;
-}
-#endif
-
 struct acpi_osc_context {
 	char *uuid_str; /* uuid string */
 	int rev;
@@ -361,4 +352,14 @@ static inline int acpi_table_parse(char
 	return -1;
 }
 #endif	/* !CONFIG_ACPI */
+
+#ifdef CONFIG_ACPI_SLEEP
+int suspend_nvs_register(unsigned long start, unsigned long size);
+#else
+static inline int suspend_nvs_register(unsigned long a, unsigned long b)
+{
+	return 0;
+}
+#endif
+
 #endif	/*_LINUX_ACPI_H*/
--
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