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env_eeprom - fix bus recovery for "eeprom_bus_read"

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"env_eeprom_bus" is no longer in use (it was introduced in commit
548738b4d4 "cmd_eeprom: I2C updates").

As in "eeprom_bus_write" we just reset I2C bus with the one we saved in
"old_bus".

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>

Cc: Wolfgang Denk <wd@denx.de>
Cc: Tom Rini <trini@ti.com>
Cc: Heiko Schocher <hs@denx.de>
This commit is contained in:
Alexey Brodkin 2013-12-11 18:04:40 +04:00 committed by Heiko Schocher
parent da1ed0d20e
commit 6d001e7df9
1 changed files with 2 additions and 3 deletions
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5
common/env_eeprom.c
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@ -24,7 +24,6 @@ DECLARE_GLOBAL_DATA_PTR;
env_t *env_ptr;
char *env_name_spec = "EEPROM";
int env_eeprom_bus = -1;
static int eeprom_bus_read(unsigned dev_addr, unsigned offset,
uchar *buffer, unsigned cnt)
@ -40,8 +39,7 @@ static int eeprom_bus_read(unsigned dev_addr, unsigned offset,
rcode = eeprom_read(dev_addr, offset, buffer, cnt);
#if defined(CONFIG_I2C_ENV_EEPROM_BUS)
if (old_bus != env_eeprom_bus)
i2c_set_bus_num(old_bus);
i2c_set_bus_num(old_bus);
#endif
return rcode;
@ -63,6 +61,7 @@ static int eeprom_bus_write(unsigned dev_addr, unsigned offset,
#if defined(CONFIG_I2C_ENV_EEPROM_BUS)
i2c_set_bus_num(old_bus);
#endif
return rcode;
}