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SubjectRe: [PATCH v3 1/4] thermal: rockchip: add driver for thermal
Arnd & Heiko & Eduardo,

OK. Maybe you are right.

This driver should be put into drivers/iio/adc/* ,
Anyway,I will re-edit it ASAP.


在 2014/8/29 0:16, Arnd Bergmann 写道:
> On Thursday 28 August 2014 18:11:43 Heiko Stübner wrote:
>> Am Donnerstag, 28. August 2014, 10:37:35 schrieb Eduardo Valentin:
>>>> On the driver side, I believe the correct way to deal with this setup
>>>> is to split your driver into a generic drivers/iio/adc/rockchips-tsadc.c
>>>> file, and a smaller thermal driver that uses the iio in-kernel interfaces,
>>>> ideally one that is independent of the underlying hardware and can
>>>> work on any ADC implementation.
>>> Agreed. If you can write such interface and make your driver to work in
>>> such way, that would be great.
>> But I currently don't see how you would model the temperature handling parts
>> from a generic thermal driver to a generic adc driver for the rk3288-tsadc.
>>
>> I guess the general temperature irq handling would use iio-triggers? But how
>> does the target temperature get into the TSADC_COMP1_INT register.
>>
>> Also when getting the temperature, Caesar's driver compares it to its trip
>> points and sets the next trip point depending on the current temperature
>> (passive <-> critical) in rockchip_get_temp.
>>
>> Maybe there is some completely easy way for this, but currently I don't see
>> it.
> Eduardo earlier today replied to an email about a generic driver for
> thermal, which was posted in February but hasn't been merged.
> See https://lkml.org/lkml/2014/2/5/810
>
> There may be a newer version of this patch, which I haven't found.
>
> Arnd
>
>
>

--
Best regards,
Caesar


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