RE: [PATCH] scsi: ufs: core: fix devfreq deadlocks

[Avri Altman]

> On 12/22/22 02:21, Johan Hovold wrote:
> > +     /* Enable Write Booster if we have scaled up else disable it */
> > +     if (ufshcd_enable_wb_if_scaling_up(hba))
> > +             ufshcd_wb_toggle(hba, scale_up);
> 
> Hi Asutosh,
> 
> This patch is the second complaint about the mechanism that toggles the
> WriteBooster during clock scaling. Can this mechanism be removed entirely?
commit 87bd05016a64 that introduced UFSHCD_CAP_WB_WITH_CLK_SCALING enables
the platform vendors and OEMs to maintain wb toggling - should they choose so.
Why remove it in its entirety?

Thanks,
Avri

> 
> I think this commit introduced that mechanism: 3d17b9b5ab11 ("scsi: ufs:
> Add write booster feature support"; v5.8).
> 
> Thanks,
> 
> Bart.