env: Replace all open-coded gd->env_valid values with ENV_ flags

Some of these were missed in the conversion.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/env/common.c b/env/common.c
index 688d5ab..b403bd5 100644
--- a/env/common.c
+++ b/env/common.c
@@ -52,7 +52,7 @@
 
 	/* Pretend that the image is bad. */
 	gd->flags &= ~GD_FLG_ENV_READY;
-	gd->env_valid = 0;
+	gd->env_valid = ENV_INVALID;
 	ret_val = env_get(name);
 	gd->env_valid = really_valid;
 	gd->flags = real_gd_flags;
@@ -210,24 +210,24 @@
 		set_default_env("!bad CRC");
 		return 0;
 	} else if (crc1_ok && !crc2_ok) {
-		gd->env_valid = 1;
+		gd->env_valid = ENV_VALID;
 	} else if (!crc1_ok && crc2_ok) {
-		gd->env_valid = 2;
+		gd->env_valid = ENV_REDUND;
 	} else {
 		/* both ok - check serial */
 		if (tmp_env1->flags == 255 && tmp_env2->flags == 0)
-			gd->env_valid = 2;
+			gd->env_valid = ENV_REDUND;
 		else if (tmp_env2->flags == 255 && tmp_env1->flags == 0)
-			gd->env_valid = 1;
+			gd->env_valid = ENV_VALID;
 		else if (tmp_env1->flags > tmp_env2->flags)
-			gd->env_valid = 1;
+			gd->env_valid = ENV_VALID;
 		else if (tmp_env2->flags > tmp_env1->flags)
-			gd->env_valid = 2;
+			gd->env_valid = ENV_REDUND;
 		else /* flags are equal - almost impossible */
-			gd->env_valid = 1;
+			gd->env_valid = ENV_VALID;
 	}
 
-	if (gd->env_valid == 1)
+	if (gd->env_valid == ENV_VALID)
 		ep = tmp_env1;
 	else
 		ep = tmp_env2;
@@ -271,7 +271,7 @@
 	env_reloc();
 	env_htab.change_ok += gd->reloc_off;
 #endif
-	if (gd->env_valid == 0) {
+	if (gd->env_valid == ENV_INVALID) {
 #if defined(CONFIG_ENV_IS_NOWHERE) || defined(CONFIG_SPL_BUILD)
 		/* Environment not changable */
 		set_default_env(NULL);
diff --git a/env/eeprom.c b/env/eeprom.c
index 08ef630..584379e 100644
--- a/env/eeprom.c
+++ b/env/eeprom.c
@@ -122,7 +122,7 @@
 
 	if (!crc_ok[0] && !crc_ok[1]) {
 		gd->env_addr	= 0;
-		gd->env_valid	= 0;
+		gd->env_valid = ENV_INVALID;
 	} else if (crc_ok[0] && !crc_ok[1]) {
 		gd->env_valid = ENV_VALID;
 	} else if (!crc_ok[0] && crc_ok[1]) {
@@ -166,9 +166,9 @@
 	}
 
 	if (crc == new) {
-		gd->env_valid	= ENV_VALID;
+		gd->env_valid = ENV_VALID;
 	} else {
-		gd->env_valid	= 0;
+		gd->env_valid = ENV_INVALID;
 	}
 #endif /* CONFIG_ENV_OFFSET_REDUND */
 
diff --git a/env/env.c b/env/env.c
index 1255d57..43290d0 100644
--- a/env/env.c
+++ b/env/env.c
@@ -74,7 +74,7 @@
 	struct env_driver *drv = env_driver_lookup_default();
 	int ret;
 
-	if (!gd->env_valid)
+	if (gd->env_valid == ENV_INVALID)
 		return default_environment[index];
 	if (!drv)
 		return -ENODEV;
diff --git a/env/flash.c b/env/flash.c
index b60be57..bac10ff 100644
--- a/env/flash.c
+++ b/env/flash.c
@@ -94,7 +94,7 @@
 		gd->env_valid	= ENV_VALID;
 	} else if (!crc1_ok && !crc2_ok) {
 		gd->env_addr	= addr_default;
-		gd->env_valid	= 0;
+		gd->env_valid	= ENV_INVALID;
 	} else if (flag1 == ACTIVE_FLAG && flag2 == OBSOLETE_FLAG) {
 		gd->env_addr	= addr1;
 		gd->env_valid	= ENV_VALID;
@@ -231,7 +231,7 @@
 	}
 
 	gd->env_addr	= (ulong)&default_environment[0];
-	gd->env_valid	= 0;
+	gd->env_valid	= ENV_INVALID;
 	return 0;
 }
 #endif
diff --git a/env/nand.c b/env/nand.c
index dea7b00..8058b55 100644
--- a/env/nand.c
+++ b/env/nand.c
@@ -79,7 +79,7 @@
 
 	if (!crc1_ok && !crc2_ok) {
 		gd->env_addr	= 0;
-		gd->env_valid	= 0;
+		gd->env_valid	= ENV_INVALID;
 
 		return 0;
 	} else if (crc1_ok && !crc2_ok) {
diff --git a/env/nvram.c b/env/nvram.c
index 5fb3115..c8b3475 100644
--- a/env/nvram.c
+++ b/env/nvram.c
@@ -106,7 +106,7 @@
 		gd->env_valid = ENV_VALID;
 	} else {
 		gd->env_addr	= (ulong)&default_environment[0];
-		gd->env_valid	= 0;
+		gd->env_valid	= ENV_INVALID;
 	}
 
 	return 0;