diff options
| author | Guenter Roeck <guenter.roeck@ericsson.com> | 2011-06-25 12:42:14 -0700 |
|---|---|---|
| committer | Guenter Roeck <guenter.roeck@ericsson.com> | 2011-07-01 15:56:05 -0700 |
| commit | 7f2c0662e5cfd05f12ca49109e8f787bf2d87b66 (patch) | |
| tree | ea02b0563dc56f3f86ccbae14ea494926dc8a21c /drivers/hwmon | |
| parent | b0af8dfdd67699e25083478c63eedef2e72ebd85 (diff) | |
| download | linux-7f2c0662e5cfd05f12ca49109e8f787bf2d87b66.tar.gz | |
hwmon: (pmbus) Drop check for PMBus revision register in probe function
Some PMBus devices do not support the PMBus revision register, so don't check if it exists. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com> Cc: stable.kernel.org # 2.6.39
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/pmbus_core.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/hwmon/pmbus_core.c b/drivers/hwmon/pmbus_core.c index 354770ed3186..744672c1f26d 100644 --- a/drivers/hwmon/pmbus_core.c +++ b/drivers/hwmon/pmbus_core.c @@ -1430,14 +1430,9 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id, i2c_set_clientdata(client, data); mutex_init(&data->update_lock); - /* - * Bail out if status register or PMBus revision register - * does not exist. - */ - if (i2c_smbus_read_byte_data(client, PMBUS_STATUS_BYTE) < 0 - || i2c_smbus_read_byte_data(client, PMBUS_REVISION) < 0) { - dev_err(&client->dev, - "Status or revision register not found\n"); + /* Bail out if PMBus status register does not exist. */ + if (i2c_smbus_read_byte_data(client, PMBUS_STATUS_BYTE) < 0) { + dev_err(&client->dev, "PMBus status register not found\n"); ret = -ENODEV; goto out_data; } |