[POWERPC] Cleanup calling mmio_nvram_init
This makes mmio_nvram_init() callable unconditionally by providing
a dummy definition when CONFIG_MMIO_NVRAM is not defined.
Signed-off-by: Kou Ishizaki <Kou.Ishizaki@toshiba.co.jp>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-powerpc/nvram.h b/include/asm-powerpc/nvram.h
index 9877982..4e7059c 100644
--- a/include/asm-powerpc/nvram.h
+++ b/include/asm-powerpc/nvram.h
@@ -10,6 +10,8 @@
#ifndef _ASM_POWERPC_NVRAM_H
#define _ASM_POWERPC_NVRAM_H
+#include <linux/errno.h>
+
#define NVRW_CNT 0x20
#define NVRAM_HEADER_LEN 16 /* sizeof(struct nvram_header) */
#define NVRAM_BLOCK_LEN 16
@@ -71,7 +73,16 @@
extern struct nvram_partition *nvram_find_partition(int sig, const char *name);
extern int pSeries_nvram_init(void);
+
+#ifdef CONFIG_MMIO_NVRAM
extern int mmio_nvram_init(void);
+#else
+static inline int mmio_nvram_init(void)
+{
+ return -ENODEV;
+}
+#endif
+
#endif /* __KERNEL__ */
/* PowerMac specific nvram stuffs */