Update set_working_fdt_addr() to use setenv_addr()

We might as well use this common function instead of repeating the same
code.

Signed-off-by: Simon Glass <sjg@chromium.org>

common/cmd_fdt.c

@@ -55,12 +55,8 @@ struct fdt_header *working_fdt;
 
 void set_working_fdt_addr(void *addr)
 {
-	char buf[17];
-
 	working_fdt = addr;
-
-	sprintf(buf, "%lx", (unsigned long)addr);
-	setenv("fdtaddr", buf);
+	setenv_addr("fdtaddr", addr);
 }
 
 /*
@@ -347,10 +343,7 @@ static int do_fdt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 			}
 			if (subcmd[0] == 's') {
 				/* get the num nodes at this level */
-				char buf[11];
-
-				sprintf(buf, "%d", curIndex + 1);
-				setenv(var, buf);
+				setenv_ulong(var, curIndex + 1);
 			} else {
 				/* node index not found */
 				printf("libfdt node not found\n");

common/cmd_nvedit.c

@@ -295,17 +295,17 @@ int setenv_ulong(const char *varname, ulong value)
 }
 
 /**
- * Set an environment variable to an address in hex
+ * Set an environment variable to an value in hex
  *
  * @param varname	Environmet variable to set
- * @param addr		Value to set it to
+ * @param value		Value to set it to
  * @return 0 if ok, 1 on error
  */
-int setenv_addr(const char *varname, const void *addr)
+int setenv_hex(const char *varname, ulong value)
 {
 	char str[17];
 
-	sprintf(str, "%lx", (uintptr_t)addr);
+	sprintf(str, "%lx", value);
 	return setenv(varname, str);
 }
 

include/common.h

@@ -358,7 +358,19 @@ int getenv_yesno(const char *var);
 int	saveenv	     (void);
 int	setenv	     (const char *, const char *);
 int setenv_ulong(const char *varname, ulong value);
-int setenv_addr(const char *varname, const void *addr);
+int setenv_hex(const char *varname, ulong value);
+/**
+ * setenv_addr - Set an environment variable to an address in hex
+ *
+ * @varname:	Environmet variable to set
+ * @addr:	Value to set it to
+ * @return 0 if ok, 1 on error
+ */
+static inline int setenv_addr(const char *varname, const void *addr)
+{
+	return setenv_hex(varname, (ulong)addr);
+}
+
 #ifdef CONFIG_ARM
 # include <asm/mach-types.h>
 # include <asm/setup.h>