env: kill off default_environment_size

The only environment type that uses this variable is spi flash, and that is
only because it is reimplementing the common set_default_env() function.
So fix the spi flash code and kill off the default_environment_size in the
process.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

common/env_common.c

@@ -139,11 +139,6 @@ uchar default_environment[] = {
 	"\0"
 };
 
-#if defined(CONFIG_ENV_IS_IN_NAND)		/* Environment is in Nand Flash */ \
-	|| defined(CONFIG_ENV_IS_IN_SPI_FLASH)
-int default_environment_size = sizeof(default_environment);
-#endif
-
 void env_crc_update (void)
 {
 	env_ptr->crc = crc32(0, env_ptr->data, ENV_SIZE);

common/env_dataflash.c

@@ -35,7 +35,6 @@ extern int write_dataflash (unsigned long addr_dest, unsigned long addr_src,
 		     unsigned long size);
 extern int AT91F_DataflashInit (void);
 extern uchar default_environment[];
-/* extern int default_environment_size; */
 
 
 uchar env_get_char_spec (int index)

common/env_flash.c

@@ -83,7 +83,6 @@ static ulong end_addr_new = CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1;
 #endif /* CONFIG_ENV_ADDR_REDUND */
 
 extern uchar default_environment[];
-extern int default_environment_size;
 
 
 uchar env_get_char_spec (int index)

common/env_mgdisk.c

@@ -29,7 +29,6 @@
 
 /* references to names in env_common.c */
 extern uchar default_environment[];
-extern int default_environment_size;
 
 char * env_name_spec = "MG_DISK";
 

common/env_nand.c

@@ -59,7 +59,6 @@
 
 /* references to names in env_common.c */
 extern uchar default_environment[];
-extern int default_environment_size;
 
 char * env_name_spec = "NAND";
 

common/env_nowhere.c

@@ -34,7 +34,6 @@ DECLARE_GLOBAL_DATA_PTR;
 env_t *env_ptr = NULL;
 
 extern uchar default_environment[];
-extern int default_environment_size;
 
 
 void env_relocate_spec (void)

common/env_nvram.c

@@ -58,7 +58,6 @@ env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR;
 char * env_name_spec = "NVRAM";
 
 extern uchar default_environment[];
-extern int default_environment_size;
 
 #ifdef CONFIG_AMIGAONEG3SE
 uchar env_get_char_spec (int index)

common/env_sf.c

@@ -47,7 +47,6 @@ DECLARE_GLOBAL_DATA_PTR;
 
 /* references to names in env_common.c */
 extern uchar default_environment[];
-extern int default_environment_size;
 
 char * env_name_spec = "SPI Flash";
 env_t *env_ptr;
@@ -143,16 +142,7 @@ err_probe:
 err_crc:
 	puts("*** Warning - bad CRC, using default environment\n\n");
 
-	if (default_environment_size > CONFIG_ENV_SIZE) {
-		gd->env_valid = 0;
-		puts("*** Error - default environment is too large\n\n");
-		return;
-	}
-
-	memset(env_ptr, 0, sizeof(env_t));
-	memcpy(env_ptr->data, default_environment, default_environment_size);
-	env_ptr->crc = crc32(0, env_ptr->data, ENV_SIZE);
-	gd->env_valid = 1;
+	set_default_env();
 }
 
 int env_init(void)