[PATCH v4 05/10] blk-mq: introduce blk_mq_hctx_map_queues

[John Garry]

On 14/11/2024 12:06, Daniel Wagner wrote:
> On Thu, Nov 14, 2024 at 05:12:22PM +0800, Ming Lei wrote:
>> I feel driver should get higher priority, but in the probe() example,
>> call_driver_probe() actually tries bus->probe() first.
>>
>> But looks not an issue for this patchset since only hisi_sas_v2_driver(platform_driver)
>> defines ->irq_get_affinity(), but the platform_bus_type doesn't have
>> the callback.
> Oh, I was not aware of this ordering. And after digging this up here:
> 
> https://urldefense.com/v3/__https://lore.kernel.org/ 
> all/20060105142951.13.01 at flint.arm.linux.org.uk/__;!!ACWV5N9M2RV99hQ! 
> IWDpRwKfvo0y1LzokS_0YDXzX7eZLeVUcaTOFCpn0yEcV2e5gknO2Q3igMwPhA1Mhq6IOKBOkiLxHYe-0sM$ 
> 
> I don't think we it's worthwhile to add the callback to device_driver
> just for hisi_sas_v2. So I am going to drop this part again.

I agree. I would not add anything new to core code just for that driver.