RE: [PATCH v6 2/2] scsi: ufs: Do not rely on prefetched data

From: Avri Altman
Date: Fri Mar 27 2020 - 03:49:12 EST




>
> Can,
>
> > We were setting bActiveICCLevel attribute for UFS device only once but
> > type of this attribute has changed from persistent to volatile since
> > UFS device specification v2.1. This attribute is set to the default
> > value after power cycle or hardware reset event. It isn't safe to rely
> > on prefetched data (only used for bActiveICCLevel attribute
> > now). Hence this change removes the code related to data prefetching
> > and set this parameter on every attempt to probe the UFS device.
>
> Applied patch #2 to 5.7/scsi-queue. Awaiting Avri's feedback on patch
> #1. Thanks!
It looks fine.
Thanks,
Avri

>
> --
> Martin K. Petersen Oracle Linux Engineering