From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: alim.akhtar@samsung.com, asutoshd@codeaurora.org,
jejb@linux.ibm.com, cang@codeaurora.org, hy50.seo@samsung.com,
bvanassche@acm.org, linux-scsi@vger.kernel.org,
grant.jung@samsung.com, sc.suh@samsung.com,
sh425.lee@samsung.com, Kiwoong Kim <kwmad.kim@samsung.com>,
avri.altman@wdc.com, beanhuo@micron.com
Cc: "Martin K . Petersen" <martin.petersen@oracle.com>
Subject: Re: [PATCH v4 0/2] ufs: introduce skipping manual flush for wb
Date: Tue, 8 Sep 2020 22:17:28 -0400 [thread overview]
Message-ID: <159961781205.6233.13227198149445873100.b4-ty@oracle.com> (raw)
In-Reply-To: <cover.1599285983.git.kwmad.kim@samsung.com>
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
prev parent reply other threads:[~2020-09-09 2:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20200905061548epcas2p1dc708a23247702c6b1f6c0eedc513a92@epcas2p1.samsung.com>
2020-09-05 6:06 ` [PATCH v4 0/2] ufs: introduce skipping manual flush for wb Kiwoong Kim
[not found] ` <CGME20200905061549epcas2p3e3554be6bb9737f3133529ebac4ce99a@epcas2p3.samsung.com>
2020-09-05 6:06 ` [PATCH v4 1/2] " Kiwoong Kim
2020-09-09 5:21 ` James Bottomley
2020-09-09 6:24 ` Kiwoong Kim
[not found] ` <CGME20200905061551epcas2p39976167b31a737e4093f0a421c71ee12@epcas2p3.samsung.com>
2020-09-05 6:06 ` [PATCH v4 2/2] ufs: exynos: enable UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL Kiwoong Kim
2020-09-08 16:11 ` [PATCH v4 0/2] ufs: introduce skipping manual flush for wb Asutosh Das (asd)
2020-09-09 2:17 ` Martin K. Petersen [this message]
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