Re: [PATCH 3/3] interconnect: qcom: Make important drivers default

[Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>]

On 4/29/26 5:09 PM, Krzysztof Kozlowski wrote:
> On 29/04/2026 11:23, Konrad Dybcio wrote:
>> On 4/28/26 7:32 PM, Krzysztof Kozlowski wrote:
>>> The interconnect drivers for Qualcomm SoC Network-on-Chip are covering a
>>> basic or fundamental SoC feature: bandwidth management between internal
>>> SoC blocks.  SoC can boot without these, but power management or
>>> performance will be affected.  These drivers do not represent any sort
>>> of buses visible to the board designers/configurators, thus they should
>>> be always enabled, regardless how SoC is used in the final board.
>>>
>>> Kernel configuration should not ask users choice of drivers when that
>>> choice is obvious and known to the developers that answer should be
>>> 'yes' or 'module'.
>>
>> I'd say let's make them all `default ARCH_QCOM` - all of these drivers
>> are required to boot (minus the OSM_L3 driver which is "only" highly
>> desired, so that your CPU's bus isn't heavily bottlenecked)
> 
> So the few of them should not be a module? That's what you want to say?

I'm saying that if you only want to shoot yourself in the foot and not
in the face, you can make them modules

But the L3 driver is required to make the caches run at a reasonable
speed, so that they don't bottleneck the rest of the system's mem
bandwidth

Konrad