[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/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index 7f42b7d0adcb55991541a915e21779f88f7262aa..4f6347c9fe68266d4d88638fa33b18d61f6fb7d1 100644 (file)
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -179,9 +179,7 @@ static void __init cell_setup_arch(void)
        conswitchp = &dummy_con;
 #endif
 
-#ifdef CONFIG_MMIO_NVRAM
        mmio_nvram_init();
-#endif
 }
 
 static int __init cell_probe(void)

diff --git a/include/asm-powerpc/nvram.h b/include/asm-powerpc/nvram.h
index 9877982508bf65753ec6a8c419b350067dd72069..4e7059cc6113f054fbaf8de634c2a9c05f785062 100644 (file)
--- 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 int nvram_clear_error_log(void);
 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 */