linux-kernel - [PATCH V3 0/1] scsi: ufs: Add support for Auto-Hibernate Idle Timer

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Date:   Tue, 20 Mar 2018 15:07:37 +0200
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Vinayak Holikatti <vinholikatti@...il.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>
Cc:     Stanislav Nijnikov <stanislav.nijnikov@....com>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        Bart Van Assche <Bart.VanAssche@....com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Szymon Mielczarek <szymonx.mielczarek@...el.com>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Alex Lemberg <Alex.Lemberg@...disk.com>,
        Vivek Gautam <vivek.gautam@...eaurora.org>
Subject: [PATCH V3 0/1] scsi: ufs: Add support for Auto-Hibernate Idle Timer

Hi

Here is V3, now re-based on top of patch "scsi: ufs: sysfs:reworking of the
rpm_lvl and spm_lvl entries".

Michał Potomski has previously sent a patch for Auto-Hibernate, but this
patch is slightly different, based on the latest ufs-sysfs changes, it also
takes care to restore auto-hibernate during resume, and otherwise avoids
updating the register if the device is runtime suspended.  Also a default
value of 150ms is set.


Changes in V3:

	Return -EOPNOTSUPP from auto_hibern8_show() if Auto-Hibernate
	is not supported.

Changes in V2:

	Re-based on top of (yet to be applied) patch "scsi: ufs: sysfs:
	reworking of the rpm_lvl and spm_lvl entries"


Adrian Hunter (1):
      scsi: ufs: Add support for Auto-Hibernate Idle Timer

 Documentation/ABI/testing/sysfs-driver-ufs | 15 ++++++
 drivers/scsi/ufs/ufs-sysfs.c               | 77 ++++++++++++++++++++++++++++++
 drivers/scsi/ufs/ufshcd.c                  | 26 ++++++++++
 drivers/scsi/ufs/ufshcd.h                  |  3 ++
 drivers/scsi/ufs/ufshci.h                  |  7 +++
 5 files changed, 128 insertions(+)


Regards
Adrian