Re: [PATCH v4 0/2] ufs: introduce skipping manual flush for wb

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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



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