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authorGuenter Roeck <guenter.roeck@ericsson.com>2011-09-01 08:34:31 -0700
committerGuenter Roeck <guenter.roeck@ericsson.com>2011-10-24 11:09:39 -0700
commit179144a0d4128e7588b3d613a14807402f5e7c37 (patch)
tree996869256838ba759495d1a1331ffcddba94b1bd /drivers/hwmon
parentced29d422557feb4230ea6b0067f1e24c5bd83f7 (diff)
hwmon: (pmbus) Replace EINVAL return codes with more appropriate errors
EINVAL was over-used in the code. Replace it with more appropriate errors. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/pmbus/lm25066.c8
-rw-r--r--drivers/hwmon/pmbus/max8688.c4
-rw-r--r--drivers/hwmon/pmbus/pmbus_core.c10
-rw-r--r--drivers/hwmon/pmbus/ucd9000.c4
4 files changed, 13 insertions, 13 deletions
diff --git a/drivers/hwmon/pmbus/lm25066.c b/drivers/hwmon/pmbus/lm25066.c
index 2107f413e4fc..a72bb9f51dec 100644
--- a/drivers/hwmon/pmbus/lm25066.c
+++ b/drivers/hwmon/pmbus/lm25066.c
@@ -57,7 +57,7 @@ static int lm25066_read_word_data(struct i2c_client *client, int page, int reg)
int ret;
if (page > 1)
- return -EINVAL;
+ return -ENXIO;
/* Map READ_VAUX into READ_VOUT register on page 1 */
if (page == 1) {
@@ -85,7 +85,7 @@ static int lm25066_read_word_data(struct i2c_client *client, int page, int reg)
break;
default:
/* No other valid registers on page 1 */
- ret = -EINVAL;
+ ret = -ENXIO;
break;
}
goto done;
@@ -138,7 +138,7 @@ static int lm25066_write_word_data(struct i2c_client *client, int page, int reg,
int ret;
if (page > 1)
- return -EINVAL;
+ return -ENXIO;
switch (reg) {
case PMBUS_IIN_OC_WARN_LIMIT:
@@ -164,7 +164,7 @@ static int lm25066_write_word_data(struct i2c_client *client, int page, int reg,
static int lm25066_write_byte(struct i2c_client *client, int page, u8 value)
{
if (page > 1)
- return -EINVAL;
+ return -ENXIO;
if (page == 0)
return pmbus_write_byte(client, 0, value);
diff --git a/drivers/hwmon/pmbus/max8688.c b/drivers/hwmon/pmbus/max8688.c
index e148e2c5a756..7113f1131e4a 100644
--- a/drivers/hwmon/pmbus/max8688.c
+++ b/drivers/hwmon/pmbus/max8688.c
@@ -45,7 +45,7 @@ static int max8688_read_word_data(struct i2c_client *client, int page, int reg)
int ret;
if (page)
- return -EINVAL;
+ return -ENXIO;
switch (reg) {
case PMBUS_VIRT_READ_VOUT_MAX:
@@ -102,7 +102,7 @@ static int max8688_read_byte_data(struct i2c_client *client, int page, int reg)
int mfg_status;
if (page)
- return -EINVAL;
+ return -ENXIO;
switch (reg) {
case PMBUS_STATUS_VOUT:
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 36f287076ee2..7841ea0c10a3 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -160,7 +160,7 @@ int pmbus_set_page(struct i2c_client *client, u8 page)
rv = i2c_smbus_write_byte_data(client, PMBUS_PAGE, page);
newpage = i2c_smbus_read_byte_data(client, PMBUS_PAGE);
if (newpage != page)
- rv = -EINVAL;
+ rv = -EIO;
else
data->currpage = page;
}
@@ -229,7 +229,7 @@ static int _pmbus_write_word_data(struct i2c_client *client, int page, int reg,
return status;
}
if (reg >= PMBUS_VIRT_BASE)
- return -EINVAL;
+ return -ENXIO;
return pmbus_write_word_data(client, page, reg, word);
}
@@ -261,7 +261,7 @@ static int _pmbus_read_word_data(struct i2c_client *client, int page, int reg)
return status;
}
if (reg >= PMBUS_VIRT_BASE)
- return -EINVAL;
+ return -ENXIO;
return pmbus_read_word_data(client, page, reg);
}
@@ -320,7 +320,7 @@ static int pmbus_check_status_cml(struct i2c_client *client)
if (status < 0 || (status & PB_STATUS_CML)) {
status2 = pmbus_read_byte_data(client, -1, PMBUS_STATUS_CML);
if (status2 < 0 || (status2 & PB_CML_FAULT_INVALID_COMMAND))
- return -EINVAL;
+ return -EIO;
}
return 0;
}
@@ -1682,7 +1682,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
if (info->pages <= 0 || info->pages > PMBUS_PAGES) {
dev_err(&client->dev, "Bad number of PMBus pages: %d\n",
info->pages);
- ret = -EINVAL;
+ ret = -ENODEV;
goto out_data;
}
diff --git a/drivers/hwmon/pmbus/ucd9000.c b/drivers/hwmon/pmbus/ucd9000.c
index 640a9c9de7f8..1536db6543f0 100644
--- a/drivers/hwmon/pmbus/ucd9000.c
+++ b/drivers/hwmon/pmbus/ucd9000.c
@@ -75,7 +75,7 @@ static int ucd9000_read_byte_data(struct i2c_client *client, int page, int reg)
switch (reg) {
case PMBUS_FAN_CONFIG_12:
if (page)
- return -EINVAL;
+ return -ENXIO;
ret = ucd9000_get_fan_config(client, 0);
if (ret < 0)
@@ -89,7 +89,7 @@ static int ucd9000_read_byte_data(struct i2c_client *client, int page, int reg)
break;
case PMBUS_FAN_CONFIG_34:
if (page)
- return -EINVAL;
+ return -ENXIO;
ret = ucd9000_get_fan_config(client, 2);
if (ret < 0)