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env: clean env_eeprom.c checkpatch and code style

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Cleanup the env_eeprom.c checkpatch warnings, errors and coding style.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
This commit is contained in:
Igor Grinberg
2011-11-07 01:14:07 +00:00
committed by Stefano Babic
parent bd2a23ac61
commit dd2a233c94
1 changed files with 46 additions and 58 deletions
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42
common/env_eeprom.c
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@@ -37,7 +37,7 @@
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
env_t *env_ptr = NULL; env_t *env_ptr;
char *env_name_spec = "EEPROM"; char *env_name_spec = "EEPROM";
int env_eeprom_bus = -1; int env_eeprom_bus = -1;
@@ -97,18 +97,16 @@ static int eeprom_bus_write(unsigned dev_addr, unsigned offset,
uchar env_get_char_spec(int index) uchar env_get_char_spec(int index)
{ {
uchar c; uchar c;
unsigned int off; unsigned int off = CONFIG_ENV_OFFSET;
off = CONFIG_ENV_OFFSET;
#ifdef CONFIG_ENV_OFFSET_REDUND #ifdef CONFIG_ENV_OFFSET_REDUND
if (gd->env_valid == 2) if (gd->env_valid == 2)
off = CONFIG_ENV_OFFSET_REDUND; off = CONFIG_ENV_OFFSET_REDUND;
#endif #endif
eeprom_bus_read(CONFIG_SYS_DEF_EEPROM_ADDR, eeprom_bus_read(CONFIG_SYS_DEF_EEPROM_ADDR,
off + index + offsetof(env_t,data), off + index + offsetof(env_t, data), &c, 1);
&c, 1);
return (c); return c;
} }
void env_relocate_spec(void) void env_relocate_spec(void)
@@ -121,9 +119,7 @@ void env_relocate_spec (void)
off = CONFIG_ENV_OFFSET_REDUND; off = CONFIG_ENV_OFFSET_REDUND;
#endif #endif
eeprom_bus_read(CONFIG_SYS_DEF_EEPROM_ADDR, eeprom_bus_read(CONFIG_SYS_DEF_EEPROM_ADDR,
off, off, (uchar *)buf, CONFIG_ENV_SIZE);
(uchar *)buf,
CONFIG_ENV_SIZE);
env_import(buf, 1); env_import(buf, 1);
} }
@@ -160,24 +156,20 @@ int saveenv(void)
#endif #endif
rc = eeprom_bus_write(CONFIG_SYS_DEF_EEPROM_ADDR, rc = eeprom_bus_write(CONFIG_SYS_DEF_EEPROM_ADDR,
off, off, (uchar *)&env_new, CONFIG_ENV_SIZE);
(uchar *)&env_new,
CONFIG_ENV_SIZE);
#ifdef CONFIG_ENV_OFFSET_REDUND #ifdef CONFIG_ENV_OFFSET_REDUND
if (rc == 0) { if (rc == 0) {
eeprom_bus_write(CONFIG_SYS_DEF_EEPROM_ADDR, eeprom_bus_write(CONFIG_SYS_DEF_EEPROM_ADDR,
off_red + offsetof(env_t, flags), off_red + offsetof(env_t, flags),
(uchar *)&flag_obsolete, (uchar *)&flag_obsolete, 1);
1);
if (gd->env_valid == 1) if (gd->env_valid == 1)
gd->env_valid = 2; gd->env_valid = 2;
else else
gd->env_valid = 1; gd->env_valid = 1;
} }
#endif #endif
return rc; return rc;
} }
@@ -187,17 +179,13 @@ int saveenv(void)
* We are still running from ROM, so data use is limited. * We are still running from ROM, so data use is limited.
* Use a (moderately small) buffer on the stack * Use a (moderately small) buffer on the stack
*/ */
#ifdef CONFIG_ENV_OFFSET_REDUND #ifdef CONFIG_ENV_OFFSET_REDUND
int env_init(void) int env_init(void)
{ {
ulong len; ulong len, crc[2], crc_tmp;
ulong crc[2], crc_tmp;
unsigned int off, off_env[2]; unsigned int off, off_env[2];
uchar buf[64]; uchar buf[64], flags[2];
int crc_ok[2] = {0,0}; int i, crc_ok[2] = {0, 0};
unsigned char flags[2];
int i;
eeprom_init(); /* prepare for EEPROM read/write */ eeprom_init(); /* prepare for EEPROM read/write */
@@ -227,6 +215,7 @@ int env_init(void)
len -= n; len -= n;
off += n; off += n;
} }
if (crc_tmp == crc[i]) if (crc_tmp == crc[i])
crc_ok[i] = 1; crc_ok[i] = 1;
} }
@@ -238,8 +227,7 @@ int env_init(void)
return 0; return 0;
} else if (crc_ok[0] && !crc_ok[1]) { } else if (crc_ok[0] && !crc_ok[1]) {
gd->env_valid = 1; gd->env_valid = 1;
} } else if (!crc_ok[0] && crc_ok[1]) {
else if (!crc_ok[0] && crc_ok[1]) {
gd->env_valid = 2; gd->env_valid = 2;
} else { } else {
/* both ok - check serial */ /* both ok - check serial */
@@ -260,7 +248,7 @@ int env_init(void)
else if (gd->env_valid == 1) else if (gd->env_valid == 1)
gd->env_addr = off_env[0] + offsetof(env_t, data); gd->env_addr = off_env[0] + offsetof(env_t, data);
return (0); return 0;
} }
#else #else
int env_init(void) int env_init(void)
@@ -298,6 +286,6 @@ int env_init(void)
gd->env_valid = 0; gd->env_valid = 0;
} }
return (0); return 0;
} }
#endif #endif