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path: root/drivers/hwmon/pmbus/pmbus_core.c
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Diffstat (limited to 'drivers/hwmon/pmbus/pmbus_core.c')
-rw-r--r--drivers/hwmon/pmbus/pmbus_core.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index f10bac8860fc..81d3f91dd204 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -2861,7 +2861,7 @@ static int pmbus_regulator_get_low_margin(struct i2c_client *client, int page)
.data = -1,
};
- if (!data->vout_low[page]) {
+ if (data->vout_low[page] < 0) {
if (pmbus_check_word_register(client, page, PMBUS_MFR_VOUT_MIN))
s.data = _pmbus_read_word_data(client, page, 0xff,
PMBUS_MFR_VOUT_MIN);
@@ -2887,7 +2887,7 @@ static int pmbus_regulator_get_high_margin(struct i2c_client *client, int page)
.data = -1,
};
- if (!data->vout_high[page]) {
+ if (data->vout_high[page] < 0) {
if (pmbus_check_word_register(client, page, PMBUS_MFR_VOUT_MAX))
s.data = _pmbus_read_word_data(client, page, 0xff,
PMBUS_MFR_VOUT_MAX);
@@ -3016,11 +3016,10 @@ static int pmbus_regulator_register(struct pmbus_data *data)
rdev = devm_regulator_register(dev, &info->reg_desc[i],
&config);
- if (IS_ERR(rdev)) {
- dev_err(dev, "Failed to register %s regulator\n",
- info->reg_desc[i].name);
- return PTR_ERR(rdev);
- }
+ if (IS_ERR(rdev))
+ return dev_err_probe(dev, PTR_ERR(rdev),
+ "Failed to register %s regulator\n",
+ info->reg_desc[i].name);
}
return 0;
@@ -3320,6 +3319,7 @@ int pmbus_do_probe(struct i2c_client *client, struct pmbus_driver_info *info)
struct pmbus_data *data;
size_t groups_num = 0;
int ret;
+ int i;
char *name;
if (!info)
@@ -3353,6 +3353,11 @@ int pmbus_do_probe(struct i2c_client *client, struct pmbus_driver_info *info)
data->currpage = -1;
data->currphase = -1;
+ for (i = 0; i < ARRAY_SIZE(data->vout_low); i++) {
+ data->vout_low[i] = -1;
+ data->vout_high[i] = -1;
+ }
+
ret = pmbus_init_common(client, data, info);
if (ret < 0)
return ret;