Re: [PATCH] hwmon: twl4030-madc-hwmon: Add device tree support.

[Belisko Marek]

On Fri, Feb 14, 2014 at 2:31 PM, Mark Rutland <mark.rutland@xxxxxxx> wrote:
> On Fri, Feb 14, 2014 at 01:20:58PM +0000, Marek Belisko wrote:
>> Signed-off-by: Marek Belisko <marek@xxxxxxxxxxxxx>
>> ---
>>  Documentation/devicetree/bindings/hwmon/twl4030-madc-hwmon.txt |  9 +++++++++
>>  drivers/hwmon/twl4030-madc-hwmon.c                             | 10 ++++++++++
>>  2 files changed, 19 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/hwmon/twl4030-madc-hwmon.txt
>>
>> diff --git a/Documentation/devicetree/bindings/hwmon/twl4030-madc-hwmon.txt b/Documentation/devicetree/bindings/hwmon/twl4030-madc-hwmon.txt
>> new file mode 100644
>> index 0000000..e8016d1
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/hwmon/twl4030-madc-hwmon.txt
>> @@ -0,0 +1,9 @@
>> +TWL4030 MADC hwmon.
>> +
>> +Required properties:
>> +- compatible: "ti,twl4030-madc-hwmon"
>> +
>> +Example:
>> +madc-hwmon {
>> +     compatible = "ti,twl4030-madc-hwmon";
>> +};
>
> Huh?
>
> What is this a binding for? From a look at the driver in mainline this
> just calls into functions from the twl4030 madc driver (which doesn't
> seem to have a binding).
I post bindings for twl4030-madc [1]. Without probing this driver
other things will not work (twl4030-madc-battery e.g.).
Is there better way to handle this situation?
>
> This doesn't look like a description of hardware, but rather a hack to
> get a Linux driver to probe. As far as I can see, no useful information
> is given by this binding.
>
> Thanks,
> Mark.

BR,

marek

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