[PATCH v8 3/6] clk: spacemit: set up reset auxiliary devices
Alex Elder
elder at riscstar.com
Mon May 12 09:27:25 PDT 2025
On 5/12/25 10:46 AM, Philipp Zabel wrote:
>>> so I'd assume the underlying device doesn't really care the id?
>>> but with different order of registration, it will result random id for the device
>> These things are identified in DTS files by their index values
>> defined in "spacemit,k1-syscon.h". If there is a need for the
>> assigned device ID to be consistent, I'm not aware of it. Can
>> you think of one? I think all that matters is that they're
>> unique, and this ensures that (for up to 2^32 PMICs).
> If there are multiple reset controllers and the driver can be unbound,
> it's trivial to provoke a collision by keeping one device bound and
> unbinding/binding the second one until next_id wraps.
> This could be fixed by using ida_alloc/free to manage the id.
>
> regards
> Philipp
OK thank you. I'll put together v9 of this series and will use
an IDA to set the device ID. Thanks again for the explanation.
-Alex
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