ARM: UniPhier: refactor pinmon command

The return value of get_boot_mode_sel() is used as the index of
the boot_device_table[] array.  Its type should be "int" rather
than "u32".

Use only the iterator "i" for the loop in do_pinmon().

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

arch/arm/cpu/armv7/uniphier/cmd_pinmon.c

@@ -11,20 +11,17 @@
 
 static int do_pinmon(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-	struct boot_device_info *table;
-	u32 mode_sel, n = 0;
-
-	mode_sel = get_boot_mode_sel();
+	int mode_sel, i;
 
 	printf("Boot Swap: %s\n\n", boot_is_swapped() ? "ON" : "OFF");
 
+	mode_sel = get_boot_mode_sel();
+
 	puts("Boot Mode Pin:\n");
 
-	for (table = boot_device_table; strlen(table->info); table++) {
-		printf(" %c %02x %s\n", n == mode_sel ? '*' : ' ', n,
-		       table->info);
-		n++;
-	}
+	for (i = 0; strlen(boot_device_table[i].info); i++)
+		printf(" %c %02x %s\n", i == mode_sel ? '*' : ' ', i,
+		       boot_device_table[i].info);
 
 	return 0;
 }

arch/arm/cpu/armv7/uniphier/ph1-pro4/boot-mode.c

@@ -48,14 +48,14 @@ struct boot_device_info boot_device_table[] = {
 	{BOOT_DEVICE_NONE, ""}
 };
 
-u32 get_boot_mode_sel(void)
+int get_boot_mode_sel(void)
 {
 	return (readl(SG_PINMON0) >> 1) & 0x1f;
 }
 
 u32 spl_boot_device(void)
 {
-	u32 boot_mode;
+	int boot_mode;
 
 	if (boot_is_swapped())
 		return BOOT_DEVICE_NOR;

arch/arm/include/asm/arch-uniphier/boot-device.h

@@ -8,7 +8,7 @@
 #ifndef _ASM_BOOT_DEVICE_H_
 #define _ASM_BOOT_DEVICE_H_
 
-u32 get_boot_mode_sel(void);
+int get_boot_mode_sel(void);
 
 struct boot_device_info {
 	u32 type;