Re: [PATCH v2 1/9] ASoC: qdsp6: audioreach: topology use idr_alloc_u32

From: Pierre-Louis Bossart
Date: Wed Oct 26 2022 - 16:42:27 EST




On 10/26/22 04:19, Srinivas Kandagatla wrote:
> Thanks Pierre,
>
> On 21/10/2022 18:09, Pierre-Louis Bossart wrote:
>>
>>
>> On 10/21/22 11:51, Srinivas Kandagatla wrote:
>>> SubGraph and Module Instance ids take 32 bits, so use idr_alloc_u32
>>> instead of idr_alloc to able to accomdate valid ranges.
>>
>> typo: accommodate.
>>
> will fix it in next version
>
>> Also worth checking
>> https://www.kernel.org/doc/html/latest/core-api/idr.html
>> "The IDR interface is deprecated; please use the XArray instead."
> Thanks for this hit, this looks really good and specially lookups
> without Locking, this could cleanup the code a bit.
>
> Having said that I would still like this patch go as it is with idr for
> now, and I can plan to rework on converting idr to xa later, as there
> are few more Qcom Audio drivers that have usage of idr.

sounds good.