On Sat, 5 Sep 2020 15:06:50 +0900, Kiwoong Kim wrote:
> v3 -> v4: migrate these to 5.10
> v2 -> v3: modify some commit messages
> v1 -> v2: enable the quirk in exynos
>
> We have two knobs to flush for write booster, i.e.
> fWriteBoosterBufferFlushDuringHibernate and fWriteBoosterBufferFlushEn.
> However, many product makers uses only fWriteBoosterBufferFlushDuringHibernate,
> because this can reportedly cover most scenarios and
> there have been some reports that flush by fWriteBoosterBufferFlushEn
> could lead to raise power consumption thanks to unexpected internal
> operations. So we need a way to enable or disable fWriteBoosterEn
> operations. For those case, this quirk will allow to avoid manual flush
>
> [...]
Applied to 5.10/scsi-queue, thanks!
[1/2] scsi: ufs: Introduce skipping manual flush for Write Booster
https://git.kernel.org/mkp/scsi/c/5df6f2def50c
[2/2] scsi: ufs: exynos: Enable UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL
https://git.kernel.org/mkp/scsi/c/7973b8ac669e
--
Martin K. Petersen Oracle Linux Engineering
