Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-24 21:54:01 +00:00
Code Issues Projects Releases Packages Wiki Activity

env: Drop common init() functions

Browse source 
Most of the init() implementations just use the default environment.
Adjust env_init_new() to do this automatically, and drop the redundant
code.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Simon Glass 2017-08-03 12:22:02 -06:00 committed by Tom Rini
parent e5bce247b0
commit 7938822a6b
13 changed files with 12 additions and 128 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
env/dataflash.c vendored
View file

@ -68,25 +68,9 @@ static int env_dataflash_save(void)
CONFIG_ENV_SIZE);
}
/*
* Initialize environment use
*
* We are still running from ROM, so data use is limited.
* Use a (moderately small) buffer on the stack
*/
int env_dataflash_init(void)
{
/* use default */
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = ENV_VALID;
return 0;
}
U_BOOT_ENV_LOCATION(dataflash) = {
.location = ENVL_DATAFLASH,
.get_char = env_dataflash_get_char,
.load = env_dataflash_load,
.save = env_save_ptr(env_dataflash_save),
.init = env_dataflash_init,
};

14
env/eeprom.c vendored
View file

@ -231,23 +231,9 @@ static int env_eeprom_save(void)
return rc;
}
/*
* Initialize Environment use
*
* We are still running from ROM, so data use is limited.
* Use a (moderately small) buffer on the stack
*/
static int env_eeprom_init(void)
{
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = ENV_VALID;
return 0;
}
U_BOOT_ENV_LOCATION(eeprom) = {
.location = ENVL_EEPROM,
.get_char = env_eeprom_get_char,
.load = env_eeprom_load,
.save = env_save_ptr(env_eeprom_save),
.init = env_eeprom_init,
};

14
env/env.c vendored
View file

@ -128,14 +128,18 @@ int env_save(void)
int env_init_new(void)
{
struct env_driver *drv = env_driver_lookup_default();
int ret;
int ret = -ENOENT;
if (!drv)
return -ENODEV;
if (!drv->init)
return -ENOSYS;
ret = drv->init();
if (ret) {
if (drv->init)
ret = drv->init();
if (ret == -ENOENT) {
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = 0;
return 0;
} else if (ret) {
debug("%s: Environment failed to init (err=%d)\n", __func__,
ret);
return ret;

10
env/ext4.c vendored
View file

@ -37,15 +37,6 @@ env_t *env_ptr;
DECLARE_GLOBAL_DATA_PTR;
static int env_ext4_init(void)
{
/* use default */
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = ENV_VALID;
return 0;
}
#ifdef CONFIG_CMD_SAVEENV
static int env_ext4_save(void)
{
@ -132,5 +123,4 @@ U_BOOT_ENV_LOCATION(ext4) = {
.location = ENVL_EXT4,
.load = env_ext4_load,
.save = env_save_ptr(env_ext4_save),
.init = env_ext4_init,
};

10
env/fat.c vendored
View file

@ -37,15 +37,6 @@ env_t *env_ptr;
DECLARE_GLOBAL_DATA_PTR;
static int env_fat_init(void)
{
/* use default */
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = ENV_VALID;
return 0;
}
#ifdef CMD_SAVEENV
static int env_fat_save(void)
{
@ -131,5 +122,4 @@ U_BOOT_ENV_LOCATION(fat) = {
#ifdef CMD_SAVEENV
.save = env_save_ptr(env_fat_save),
#endif
.init = env_fat_init,
};

10
env/mmc.c vendored
View file

@ -82,15 +82,6 @@ __weak int mmc_get_env_dev(void)
return CONFIG_SYS_MMC_ENV_DEV;
}
static int env_mmc_init(void)
{
/* use default */
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = ENV_VALID;
return 0;
}
#ifdef CONFIG_SYS_MMC_ENV_PART
__weak uint mmc_get_env_part(struct mmc *mmc)
{
@ -331,5 +322,4 @@ U_BOOT_ENV_LOCATION(mmc) = {
#ifndef CONFIG_SPL_BUILD
.save = env_save_ptr(env_mmc_save),
#endif
.init = env_mmc_init,
};

19
env/nowhere.c vendored
View file

@ -17,25 +17,6 @@ DECLARE_GLOBAL_DATA_PTR;
env_t *env_ptr;
static void env_nowhere_load(void)
{
}
/*
* Initialize Environment use
*
* We are still running from ROM, so data use is limited
*/
static int env_nowhere_init(void)
{
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = 0;
return 0;
}
U_BOOT_ENV_LOCATION(nowhere) = {
.location = ENVL_NOWHERE,
.load = env_nowhere_load,
.init = env_nowhere_init,
};

10
env/onenand.c vendored
View file

@ -106,18 +106,8 @@ static int env_onenand_save(void)
return 0;
}
static int env_onenand_init(void)
{
/* use default */
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = ENV_VALID;
return 0;
}
U_BOOT_ENV_LOCATION(onenand) = {
.location = ENVL_ONENAND,
.load = env_onenand_load,
.save = env_save_ptr(env_onenand_save),
.init = env_onenand_init,
};

4
env/remote.c vendored
View file

@ -33,9 +33,7 @@ static int env_remote_init(void)
return 0;
}
gd->env_addr = (ulong)default_environment;
gd->env_valid = 0;
return 0;
return -ENOENT;
}
#ifdef CONFIG_CMD_SAVEENV

10
env/sata.c vendored
View file

@ -33,15 +33,6 @@ __weak int sata_get_env_dev(void)
return CONFIG_SYS_SATA_ENV_DEV;
}
static int env_sata_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)
@ -130,5 +121,4 @@ U_BOOT_ENV_LOCATION(sata) = {
.location = ENVL_ESATA,
.load = env_sata_load,
.save = env_save_ptr(env_sata_save),
.init = env_sata_init,
};

10
env/sf.c vendored
View file

@ -344,20 +344,10 @@ out:
}
#endif
static int env_sf_init(void)
{
/* SPI flash isn't usable before relocation */
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = ENV_VALID;
return 0;
}
U_BOOT_ENV_LOCATION(sf) = {
.location = ENVL_SPI_FLASH,
.load = env_sf_load,
#ifdef CMD_SAVEENV
.save = env_save_ptr(env_sf_save),
#endif
.init = env_sf_init,
};

10
env/ubi.c vendored
View file

@ -22,15 +22,6 @@ env_t *env_ptr;
DECLARE_GLOBAL_DATA_PTR;
static int env_ubi_init(void)
{
/* use default */
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = ENV_VALID;
return 0;
}
#ifdef CONFIG_CMD_SAVEENV
#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT
static int env_ubi_save(void)
@ -182,5 +173,4 @@ U_BOOT_ENV_LOCATION(ubi) = {
.location = ENVL_UBI,
.load = env_ubi_load,
.save = env_save_ptr(env_ubi_save),
.init = env_ubi_init,
};

3
include/environment.h
View file

@ -259,7 +259,8 @@ struct env_driver {
*
* This method is optional.
*
* @return 0 if OK, -ve on error
* @return 0 if OK, -ENOENT if no initial environment could be found,
* other -ve on error
*/
int (*init)(void);
};