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| author | Guenter Roeck <guenter.roeck@ericsson.com> | 2011-08-29 22:53:20 -0700 |
|---|---|---|
| committer | Guenter Roeck <guenter.roeck@ericsson.com> | 2011-09-06 08:56:06 -0700 |
| commit | d91aae1e52e5289a94f4ddff968decfc8d37271e (patch) | |
| tree | 9c832e9ae7d869f67d78795c46be8e1121b8ffbf /Documentation | |
| parent | ff71c182f461da5ae9d2d65f8a63f5a9193b9be1 (diff) | |
| download | lwn-d91aae1e52e5289a94f4ddff968decfc8d37271e.tar.gz lwn-d91aae1e52e5289a94f4ddff968decfc8d37271e.zip | |
hwmon: (max16065) Add chip access warning to documentation
The chips supported by the max16065 driver should not be accessed using direct
i2ctools commands. Add warning to driver documentation to alert users.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/hwmon/max16065 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/hwmon/max16065 b/Documentation/hwmon/max16065 index 44b4f61e04f9..c11f64a1f2ad 100644 --- a/Documentation/hwmon/max16065 +++ b/Documentation/hwmon/max16065 @@ -62,6 +62,13 @@ can be safely used to identify the chip. You will have to instantiate the devices explicitly. Please see Documentation/i2c/instantiating-devices for details. +WARNING: Do not access chip registers using the i2cdump command, and do not use +any of the i2ctools commands on a command register (0xa5 to 0xac). The chips +supported by this driver interpret any access to a command register (including +read commands) as request to execute the command in question. This may result in +power loss, board resets, and/or Flash corruption. Worst case, your board may +turn into a brick. + Sysfs entries ------------- |