SPDX: Convert all of our single license tags to Linux Kernel style

[platform/kernel/u-boot.git] / env / sata.c

diff --git a/env/sata.c b/env/sata.c
index 6458911..e5715e6 100644 (file)
--- a/env/sata.c
+++ b/env/sata.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2010-2016 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 /* #define DEBUG */
@@ -24,24 +23,11 @@
 #error CONFIG_ENV_OFFSET or CONFIG_ENV_SIZE not defined
 #endif
 
-char *env_name_spec = "SATA";
-
-DECLARE_GLOBAL_DATA_PTR;
-
 __weak int sata_get_env_dev(void)
 {
        return CONFIG_SYS_SATA_ENV_DEV;
 }
 
-int env_init(void)
-{
-       /* use default */
-       gd->env_addr = (ulong)&default_environment[0];
-       gd->env_valid = ENV_VALID;
-
-       return 0;
-}
-
 #ifdef CONFIG_CMD_SAVEENV
 static inline int write_env(struct blk_desc *sata, unsigned long size,
                            unsigned long offset, void *buffer)
@@ -56,7 +42,7 @@ static inline int write_env(struct blk_desc *sata, unsigned long size,
        return (n == blk_cnt) ? 0 : -1;
 }
 
-int saveenv(void)
+static int env_sata_save(void)
 {
        ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1);
        struct blk_desc *sata = NULL;
@@ -102,26 +88,34 @@ static inline int read_env(struct blk_desc *sata, unsigned long size,
        return (n == blk_cnt) ? 0 : -1;
 }
 
-void env_relocate_spec(void)
+static void env_sata_load(void)
 {
        ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);
        struct blk_desc *sata = NULL;
        int env_sata;
 
        if (sata_initialize())
-               return;
+               return -EIO;
 
        env_sata = sata_get_env_dev();
 
        sata = sata_get_dev(env_sata);
        if (sata == NULL) {
-               printf("Unknown SATA(%d) device for environment!\n",
-                      env_sata);
-               return;
+               printf("Unknown SATA(%d) device for environment!\n", env_sata);
+               return -EIO;
        }
 
-       if (read_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, buf))
-               return set_default_env(NULL);
+       if (read_env(sata, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, buf)) {
+               set_default_env(NULL);
+               return -EIO;
+       }
 
-       env_import(buf, 1);
+       return env_import(buf, 1);
 }
+
+U_BOOT_ENV_LOCATION(sata) = {
+       .location       = ENVL_ESATA,
+       ENV_NAME("SATA")
+       .load           = env_sata_load,
+       .save           = env_save_ptr(env_sata_save),
+};