[PATCH 08/15] dm: core: Support multiple drivers with same compatibles

[Markus Schneider-Pargmann]

Hi Marek,

On Fri Nov 21, 2025 at 9:51 PM CET, Marek Vasut wrote:
> On 11/21/25 8:40 PM, Markus Schneider-Pargmann wrote:
>
> Hello Markus,
>
>> I rechecked the compatible lists, but they do not have two different
>> matching compatibles, mostly just one matches to a driver.
>> 
>> But I think I may know why there was no issue with this. Grepping the
>> config symbols it seems there is no config in which both drivers are
>> actually enabled at the same time:
>> 
>>    configs/renesas_rcar64.config:CONFIG_RENESAS_RPC_SPI=y
>>    configs/renesas_rza1.config:CONFIG_RENESAS_RPC_SPI=y
>> 
>>    configs/r8a77990_ebisu_defconfig:CONFIG_RENESAS_RPC_HF=y
>>    configs/r8a77995_draak_defconfig:CONFIG_RENESAS_RPC_HF=y
>>    configs/rcar3_salvator-x_defconfig:CONFIG_RENESAS_RPC_HF=y
>>    configs/rcar3_ulcb_defconfig:CONFIG_RENESAS_RPC_HF=y
> These ^ configs include renesas_rcar64.config , see this:
>
> $  make rcar3_ulcb_defconfig ; grep RENESAS_RPC .config
> ...
> CONFIG_RENESAS_RPC_HF=y
> CONFIG_RENESAS_RPC_SPI=y

Thank you, yes, I missed that. I still don't know how it works for these
drivers then. Any clues are appreciated.

Best
Markus
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