diff options
Diffstat (limited to 'common/env_eeprom.c')
| -rw-r--r-- | common/env_eeprom.c | 26 |
1 files changed, 7 insertions, 19 deletions
diff --git a/common/env_eeprom.c b/common/env_eeprom.c index f5882bcfc..149370f83 100644 --- a/common/env_eeprom.c +++ b/common/env_eeprom.c @@ -33,24 +33,8 @@ static int eeprom_bus_read(unsigned dev_addr, unsigned offset, #if defined(CONFIG_I2C_ENV_EEPROM_BUS) int old_bus = i2c_get_bus_num(); - if (gd->flags & GD_FLG_RELOC) { - if (env_eeprom_bus == -1) { - I2C_MUX_DEVICE *dev = NULL; - dev = i2c_mux_ident_muxstring( - (uchar *)CONFIG_I2C_ENV_EEPROM_BUS); - if (dev != NULL) - env_eeprom_bus = dev->busid; - else - printf("error adding env eeprom bus.\n"); - } - if (old_bus != env_eeprom_bus) { - i2c_set_bus_num(env_eeprom_bus); - old_bus = env_eeprom_bus; - } - } else { - rcode = i2c_mux_ident_muxstring_f( - (uchar *)CONFIG_I2C_ENV_EEPROM_BUS); - } + if (old_bus != CONFIG_I2C_ENV_EEPROM_BUS) + i2c_set_bus_num(CONFIG_I2C_ENV_EEPROM_BUS); #endif rcode = eeprom_read(dev_addr, offset, buffer, cnt); @@ -59,6 +43,7 @@ static int eeprom_bus_read(unsigned dev_addr, unsigned offset, if (old_bus != env_eeprom_bus) i2c_set_bus_num(old_bus); #endif + return rcode; } @@ -69,9 +54,12 @@ static int eeprom_bus_write(unsigned dev_addr, unsigned offset, #if defined(CONFIG_I2C_ENV_EEPROM_BUS) int old_bus = i2c_get_bus_num(); - rcode = i2c_mux_ident_muxstring_f((uchar *)CONFIG_I2C_ENV_EEPROM_BUS); + if (old_bus != CONFIG_I2C_ENV_EEPROM_BUS) + i2c_set_bus_num(CONFIG_I2C_ENV_EEPROM_BUS); #endif + rcode = eeprom_write(dev_addr, offset, buffer, cnt); + #if defined(CONFIG_I2C_ENV_EEPROM_BUS) i2c_set_bus_num(old_bus); #endif |