drivers/mtd/nand_legacy: Move conditional compilation to Makefile

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

drivers/mtd/nand_legacy/Makefile

@@ -25,8 +25,11 @@ include $(TOPDIR)/config.mk
 
 LIB	:= $(obj)libnand_legacy.a
 
-COBJS	:= nand_legacy.o
+ifdef CONFIG_CMD_NAND
+COBJS-$(CONFIG_NAND_LEGACY)	:= nand_legacy.o
+endif
 
+COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
 

drivers/mtd/nand_legacy/nand_legacy.c

@@ -14,9 +14,6 @@
 #include <malloc.h>
 #include <asm/io.h>
 #include <watchdog.h>
-
-#if defined(CONFIG_CMD_NAND) && defined(CONFIG_NAND_LEGACY)
-
 #include <linux/mtd/nand_legacy.h>
 #include <linux/mtd/nand_ids.h>
 #include <jffs2/jffs2.h>
@@ -1608,5 +1605,3 @@ int read_jffs2_nand(size_t start, size_t len,
 			start, len, retlen, buf);
 }
 #endif /* CONFIG_JFFS2_NAND */
-
-#endif