Re: [PATCH v4] scsi: ufs: core: Don't perform UFS clkscale if host asyn scan in progress

[Bart Van Assche]

On 7/30/25 8:37 AM, Bart Van Assche wrote:
> On 7/30/25 5:55 AM, Peter Wang (王信友) wrote:
> > However, in theory, this issue should still be solvable
> > without using a lock.
> > Another idea is to only start ufshcd_devfreq_init
> > when shost->async_scan = 0.
>
> Does the lockdep complaint mentioned in this email thread occur on
> multiple platforms or only on MediaTek platforms? I don't see any
> lockdep complaints with Martin's SCSI for-next branch on my
> development platform. If this warning only occurs on MediaTek
> platforms, why to modify the UFSHCI core driver to eliminate this
> lockdep complaint?

Answering my own question: clock scaling is not enabled on my
development platform and that's why I'm not seeing this lockdep
complaint.

Bart.