env: clean env_eeprom.c checkpatch and code style

Cleanup the env_eeprom.c checkpatch warnings, errors and coding style.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>

common/env_eeprom.c

@@ -37,7 +37,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-env_t *env_ptr = NULL;
+env_t *env_ptr;
 
 char *env_name_spec = "EEPROM";
 int env_eeprom_bus = -1;
@@ -97,18 +97,16 @@ static int eeprom_bus_write(unsigned dev_addr, unsigned offset,
 uchar env_get_char_spec(int index)
 {
 	uchar c;
-	unsigned int off;
-	off = CONFIG_ENV_OFFSET;
+	unsigned int off = CONFIG_ENV_OFFSET;
 
 #ifdef CONFIG_ENV_OFFSET_REDUND
 	if (gd->env_valid == 2)
 		off = CONFIG_ENV_OFFSET_REDUND;
 #endif
 	eeprom_bus_read(CONFIG_SYS_DEF_EEPROM_ADDR,
-		     off + index + offsetof(env_t,data),
-		     &c, 1);
+			off + index + offsetof(env_t, data), &c, 1);
 
-	return (c);
+	return c;
 }
 
 void env_relocate_spec(void)
@@ -121,9 +119,7 @@ void env_relocate_spec (void)
 		off = CONFIG_ENV_OFFSET_REDUND;
 #endif
 	eeprom_bus_read(CONFIG_SYS_DEF_EEPROM_ADDR,
-		     off,
-		     (uchar *)buf,
-		     CONFIG_ENV_SIZE);
+			off, (uchar *)buf, CONFIG_ENV_SIZE);
 
 	env_import(buf, 1);
 }
@@ -160,24 +156,20 @@ int saveenv(void)
 #endif
 
 	rc = eeprom_bus_write(CONFIG_SYS_DEF_EEPROM_ADDR,
-			     off,
-			     (uchar *)&env_new,
-			     CONFIG_ENV_SIZE);
+			      off, (uchar *)&env_new, CONFIG_ENV_SIZE);
 
 #ifdef CONFIG_ENV_OFFSET_REDUND
 	if (rc == 0) {
 		eeprom_bus_write(CONFIG_SYS_DEF_EEPROM_ADDR,
 				 off_red + offsetof(env_t, flags),
-				  (uchar *)&flag_obsolete,
-				  1);
+				 (uchar *)&flag_obsolete, 1);
+
 		if (gd->env_valid == 1)
 			gd->env_valid = 2;
 		else
 			gd->env_valid = 1;
-
 	}
 #endif
-
 	return rc;
 }
 
@@ -187,17 +179,13 @@ int saveenv(void)
  * We are still running from ROM, so data use is limited.
  * Use a (moderately small) buffer on the stack
  */
-
 #ifdef CONFIG_ENV_OFFSET_REDUND
 int env_init(void)
 {
-	ulong len;
-	ulong crc[2], crc_tmp;
+	ulong len, crc[2], crc_tmp;
 	unsigned int off, off_env[2];
-	uchar buf[64];
-	int crc_ok[2] = {0,0};
-	unsigned char flags[2];
-	int i;
+	uchar buf[64], flags[2];
+	int i, crc_ok[2] = {0, 0};
 
 	eeprom_init();	/* prepare for EEPROM read/write */
 
@@ -227,6 +215,7 @@ int env_init(void)
 			len -= n;
 			off += n;
 		}
+
 		if (crc_tmp == crc[i])
 			crc_ok[i] = 1;
 	}
@@ -238,8 +227,7 @@ int env_init(void)
 		return 0;
 	} else if (crc_ok[0] && !crc_ok[1]) {
 		gd->env_valid = 1;
-	}
-	else if (!crc_ok[0] && crc_ok[1]) {
+	} else if (!crc_ok[0] && crc_ok[1]) {
 		gd->env_valid = 2;
 	} else {
 		/* both ok - check serial */
@@ -260,7 +248,7 @@ int env_init(void)
 	else if (gd->env_valid == 1)
 		gd->env_addr = off_env[0] + offsetof(env_t, data);
 
-	return (0);
+	return 0;
 }
 #else
 int env_init(void)
@@ -298,6 +286,6 @@ int env_init(void)
 		gd->env_valid	= 0;
 	}
 
-	return (0);
+	return 0;
 }
 #endif