linux-kernel - [PATCH] scsi: ufs: sysfs: reworking of the rpm_lvl and spm

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Message-Id: <1519901286-17496-1-git-send-email-stanislav.nijnikov@wdc.com>
Date:   Thu,  1 Mar 2018 12:48:05 +0200
From:   Stanislav Nijnikov <stanislav.nijnikov@....com>
To:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        gregkh@...uxfoundation.org, subhashj@...eaurora.org
Cc:     alex.lemberg@....com,
        Stanislav Nijnikov <stanislav.nijnikov@....com>
Subject: [PATCH] scsi: ufs: sysfs: reworking of the rpm_lvl and spm_lvl entries

The functions related to the rpm_lvl and spm_lvl sysfs entries were moved to
a separate file as part of UFS device management patchset. During the review
phase I was pointed that these entries implementaion could be improved.
The each file output was split to three parts:
    rmp_lvl - rpm_lvl, rpm_target_dev_state, rpm_target_link_state
    smp_lvl - spm_lvl, spm_target_dev_state, spm_target_link_state.
Each new entry has a single value output and doesn't reqire additional 
parsing.
The information about new entries and possible power management levels was
added to the corresponding ABI file.
The on-write behaviour of these entries wasn't changed.

Stanislav Nijnikov (1):
  scsi: ufs: sysfs: reworking of the rpm_lvl and spm_lvl entries

 Documentation/ABI/testing/sysfs-driver-ufs | 67 ++++++++++++++++++++++
 drivers/scsi/ufs/ufs-sysfs.c               | 92 +++++++++++++++---------------
 2 files changed, 114 insertions(+), 45 deletions(-)

-- 
2.7.4