Allow providing default environment from file

[u-boot] / env / ext4.c

diff --git a/env/ext4.c b/env/ext4.c
index 65202213d3a80328f1117e5153c6178cc957ca8e..6c69a0a57f44fe5ddb796f1ed00ee1890c308d92 100644 (file)
--- a/env/ext4.c
+++ b/env/ext4.c
@@ -46,9 +46,9 @@ static int env_ext4_save(void)
        if (err)
                return err;
 
-       part = blk_get_device_part_str(EXT4_ENV_INTERFACE,
-                                       EXT4_ENV_DEVICE_AND_PART,
-                                       &dev_desc, &info, 1);
+       part = blk_get_device_part_str(CONFIG_ENV_EXT4_INTERFACE,
+                                      CONFIG_ENV_EXT4_DEVICE_AND_PART,
+                                      &dev_desc, &info, 1);
        if (part < 0)
                return 1;
 
@@ -57,16 +57,19 @@ static int env_ext4_save(void)
 
        if (!ext4fs_mount(info.size)) {
                printf("\n** Unable to use %s %s for saveenv **\n",
-                      EXT4_ENV_INTERFACE, EXT4_ENV_DEVICE_AND_PART);
+                      CONFIG_ENV_EXT4_INTERFACE,
+                      CONFIG_ENV_EXT4_DEVICE_AND_PART);
                return 1;
        }
 
-       err = ext4fs_write(EXT4_ENV_FILE, (void *)&env_new, sizeof(env_t));
+       err = ext4fs_write(CONFIG_ENV_EXT4_FILE, (void *)&env_new,
+                          sizeof(env_t));
        ext4fs_close();
 
        if (err == -1) {
                printf("\n** Unable to write \"%s\" from %s%d:%d **\n",
-                       EXT4_ENV_FILE, EXT4_ENV_INTERFACE, dev, part);
+                       CONFIG_ENV_EXT4_FILE, CONFIG_ENV_EXT4_INTERFACE, dev,
+                       part);
                return 1;
        }
 
@@ -84,9 +87,12 @@ static int env_ext4_load(void)
        int err;
        loff_t off;
 
-       part = blk_get_device_part_str(EXT4_ENV_INTERFACE,
-                                       EXT4_ENV_DEVICE_AND_PART,
-                                       &dev_desc, &info, 1);
+       if (!strcmp(CONFIG_ENV_EXT4_INTERFACE, "mmc"))
+               mmc_initialize(NULL);
+
+       part = blk_get_device_part_str(CONFIG_ENV_EXT4_INTERFACE,
+                                      CONFIG_ENV_EXT4_DEVICE_AND_PART,
+                                      &dev_desc, &info, 1);
        if (part < 0)
                goto err_env_relocate;
 
@@ -95,21 +101,23 @@ static int env_ext4_load(void)
 
        if (!ext4fs_mount(info.size)) {
                printf("\n** Unable to use %s %s for loading the env **\n",
-                      EXT4_ENV_INTERFACE, EXT4_ENV_DEVICE_AND_PART);
+                      CONFIG_ENV_EXT4_INTERFACE,
+                      CONFIG_ENV_EXT4_DEVICE_AND_PART);
                goto err_env_relocate;
        }
 
-       err = ext4_read_file(EXT4_ENV_FILE, buf, 0, CONFIG_ENV_SIZE, &off);
+       err = ext4_read_file(CONFIG_ENV_EXT4_FILE, buf, 0, CONFIG_ENV_SIZE,
+                            &off);
        ext4fs_close();
 
        if (err == -1) {
                printf("\n** Unable to read \"%s\" from %s%d:%d **\n",
-                       EXT4_ENV_FILE, EXT4_ENV_INTERFACE, dev, part);
+                       CONFIG_ENV_EXT4_FILE, CONFIG_ENV_EXT4_INTERFACE, dev,
+                       part);
                goto err_env_relocate;
        }
 
-       env_import(buf, 1);
-       return 0;
+       return env_import(buf, 1);
 
 err_env_relocate:
        set_default_env(NULL);