[PATCH V8 2/6] thermal: bcm2835: add thermal driver for bcm2835 soc

Eric Anholt eric at anholt.net
Tue Nov 29 14:12:46 PST 2016


Eduardo Valentin <edubezval at gmail.com> writes:

> Hello Eric, Martin,
>
> On Mon, Nov 28, 2016 at 12:30:38PM -0800, Eric Anholt wrote:
>> Either the device was initialized by the firmware before handing off to
>> ARM (today's firmware) or it never will be (potential future firmware).
>
> And do you have a way to check if the firmware has the initialization
> code or not? By firmware version, for example. Or even, chip version,
> maybe?

We would know if it's not present because the register would be in its
power-on reset state, which is what the code is checking for.
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