diff options
| -rw-r--r-- | Documentation/hwmon/zl6100 | 14 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/zl6100.c | 11 |
2 files changed, 9 insertions, 16 deletions
diff --git a/Documentation/hwmon/zl6100 b/Documentation/hwmon/zl6100 index 7617798b5c97..c5e1a5be58da 100644 --- a/Documentation/hwmon/zl6100 +++ b/Documentation/hwmon/zl6100 @@ -73,14 +73,12 @@ Module parameters delay ----- -Some Intersil/Zilker Labs DC-DC controllers require a minimum interval between -I2C bus accesses. According to Intersil, the minimum interval is 2 ms, though -1 ms appears to be sufficient and has not caused any problems in testing. -The problem is known to affect ZL6100, ZL2105, and ZL2008. It is known not to -affect ZL2004 and ZL6105. The driver automatically sets the interval to 1 ms -except for ZL2004 and ZL6105. To enable manual override, the driver provides a -writeable module parameter, 'delay', which can be used to set the interval to -a value between 0 and 65,535 microseconds. +Intersil/Zilker Labs DC-DC controllers require a minimum interval between I2C +bus accesses. According to Intersil, the minimum interval is 2 ms, though 1 ms +appears to be sufficient and has not caused any problems in testing. The problem +is known to affect all currently supported chips. For manual override, the +driver provides a writeable module parameter, 'delay', which can be used to set +the interval to a value between 0 and 65,535 microseconds. Sysfs entries diff --git a/drivers/hwmon/pmbus/zl6100.c b/drivers/hwmon/pmbus/zl6100.c index ba296fd29616..5c5cdd299e57 100644 --- a/drivers/hwmon/pmbus/zl6100.c +++ b/drivers/hwmon/pmbus/zl6100.c @@ -178,16 +178,11 @@ static int zl6100_probe(struct i2c_client *client, data->id = mid->driver_data; /* - * ZL2008, ZL2105, and ZL6100 are known to require a wait time - * between I2C accesses. ZL2004 and ZL6105 are known to be safe. - * - * Only clear the wait time for chips known to be safe. The wait time - * can be cleared later for additional chips if tests show that it - * is not needed (in other words, better be safe than sorry). + * According to information from the chip vendor, all currently + * supported chips are known to require a wait time between I2C + * accesses. */ data->delay = delay; - if (data->id == zl2004 || data->id == zl6105) - data->delay = 0; /* * Since there was a direct I2C device access above, wait before |