Re: [PATCH v2] ARM: zynq: Add #io-channel-cells to (x)adc node for iio-hwmon

From: Moritz Fischer
Date: Thu Mar 16 2017 - 12:40:56 EST


On Thu, Mar 16, 2017 at 9:16 AM, Michal Simek <michal.simek@xxxxxxxxxx> wrote:
> Hi,
>
> On 8.3.2017 21:11, Moritz Fischer wrote:
>> Fix
>>
>> OF: /iio_hwmon: could not get #io-channel-cells for
>> /amba/adc@f8007100
>> OF: /iio_hwmon: could not get #io-channel-cells for
>> /amba/adc@f8007100
>> OF: /iio_hwmon: could not get #io-channel-cells for
>> /amba/adc@f8007100
>>
>> by adding the #io-channel-cells property.
>>
>> Signed-off-by: Moritz Fischer <mdf@xxxxxxxxxx>
>> Cc: Michal Simek <michal.simek@xxxxxxxxxx>
>> Cc: SÃren Brinkmann <soren.brinkmann@xxxxxxxxxx>
>> Cc: Julia Cartwright <julia@xxxxxx>
>> Cc: linux-kernel@xxxxxxxxxxxxxxx
>> Cc: devicetree@xxxxxxxxxxxxxxx
>> ---
>>
>> Changes from v1:
>> - fix messed up commit message
>> ---
>> arch/arm/boot/dts/zynq-7000.dtsi | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
>> index f3ac9bf..98233a8 100644
>> --- a/arch/arm/boot/dts/zynq-7000.dtsi
>> +++ b/arch/arm/boot/dts/zynq-7000.dtsi
>> @@ -72,6 +72,7 @@
>> interrupts = <0 7 4>;
>> interrupt-parent = <&intc>;
>> clocks = <&clkc 12>;
>> + #io-channel-cells = <1>;
>> };
>>
>> can0: can@e0008000 {
>>
>
> I think it will be good to the next step too.
> It means also add iio-hwmon node too.
>
> What do you think?

I hadn't put it in there since dts is supposed to describe hw,
but obviously putting the actual hwmon in there makes it more useful.

I can resubmit with the hwmon node in there.

Cheers,
Moritz