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Fix sysmon POST problem: check I2C error codes 

This fixes a problem of displaying bogus voltages when the voltages
are so low that the I2C devices start failing while the rest of the
system keeps running.
This commit is contained in:
Wolfgang Denk 2005-07-28 10:42:26 +02:00
parent e82bc62c03
commit 15f36a5efd
2 changed files with 16 additions and 2 deletions
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5
CHANGELOG
View File

@ -2,6 +2,11 @@
Changes for U-Boot 1.1.3:
======================================================================
* Fix sysmon POST problem: check I2C error codes
This fixes a problem of displaying bogus voltages when the voltages
are so low that the I2C devices start failing while the rest of the
system keeps running.
* Patch by Cedric Vincent, 6 Jul 2005:
Fix CFG_CMD_SETGETDCR handling in "common/cmd_dcr.c"

13
post/sysmon.c
View File

@ -185,6 +185,10 @@ static char *sysmon_unit_value (sysmon_table_t *s, uint val)
char *p, sign;
int dec, frac;
if (val == -1) {
return "I/O ERROR";
}
if (unit_val < 0) {
sign = '-';
unit_val = -unit_val;
@ -297,8 +301,13 @@ int sysmon_post_test (int flags)
}
val = t->sysmon->read(t->sysmon, t->addr);
t->val_valid = val >= t->val_min && val <= t->val_max;
t->val_valid_alt = val >= t->val_min_alt && val <= t->val_max_alt;
if (val != -1) {
t->val_valid = val >= t->val_min && val <= t->val_max;
t->val_valid_alt = val >= t->val_min_alt && val <= t->val_max_alt;
} else {
t->val_valid = 0;
t->val_valid_alt = 0;
}
if (t->exec_after) {
t->exec_after(t);