linux-kernel - [PATCH v4 00/29] scsi: use generic power management

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Message-Id: <20201102164730.324035-1-vaibhavgupta40@gmail.com>
Date:   Mon,  2 Nov 2020 22:17:01 +0530
From:   Vaibhav Gupta <vaibhavgupta40@...il.com>
To:     Bjorn Helgaas <helgaas@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Bjorn Helgaas <bjorn@...gaas.com>,
        Vaibhav Gupta <vaibhav.varodek@...il.com>,
        Adam Radford <aradford@...il.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Adaptec OEM Raid Solutions <aacraid@...rosemi.com>,
        Hannes Reinecke <hare@...e.com>,
        Bradley Grove <linuxdrivers@...otech.com>,
        John Garry <john.garry@...wei.com>,
        Don Brace <don.brace@...rosemi.com>,
        Xiang Chen <chenxiang66@...ilicon.com>,
        James Smart <james.smart@...adcom.com>,
        Dick Kennedy <dick.kennedy@...adcom.com>,
        Kashyap Desai <kashyap.desai@...adcom.com>,
        Sumit Saxena <sumit.saxena@...adcom.com>,
        Shivasharan S <shivasharan.srikanteshwara@...adcom.com>,
        Sathya Prakash <sathya.prakash@...adcom.com>,
        Sreekanth Reddy <sreekanth.reddy@...adcom.com>,
        Suganath Prabu Subramani 
        <suganath-prabu.subramani@...adcom.com>,
        Jack Wang <jinpu.wang@...ud.ionos.com>,
        Balsundar P <balsundar.p@...rochip.com>
Cc:     Vaibhav Gupta <vaibhavgupta40@...il.com>,
        Shuah Khan <skhan@...uxfoundation.org>,
        linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        linux-scsi@...r.kernel.org, esc.storagedev@...rosemi.com,
        megaraidlinux.pdl@...adcom.com, MPT-FusionLinux.pdl@...adcom.com
Subject: [PATCH v4 00/29] scsi: use generic power management

Linux Kernel Mentee: Remove Legacy Power Management.

The purpose of this patch series is to upgrade power management in xxxxxxxx
drivers. This has been done by upgrading .suspend() and .resume() callbacks.

The upgrade makes sure that the involvement of PCI Core does not change the
order of operations executed in a driver. Thus, does not change its behavior.

In general, drivers with legacy PM, .suspend() and .resume() make use of PCI
helper functions like pci_enable/disable_device_mem(), pci_set_power_state(),
pci_save/restore_state(), pci_enable/disable_device(), etc. to complete
their job.

The conversion requires the removal of those function calls, change the
callbacks' definition accordingly and make use of dev_pm_ops structure.

All patches are compile-tested only.

Test tools:
    - Compiler: gcc (GCC) 10.2.0
    - allmodconfig build: make -j$(nproc) W=1 all

Vaibhav Gupta (29):
  scsi: megaraid_sas: Drop PCI wakeup calls from .resume
  scsi: megaraid_sas: use generic power management
  scsi: megaraid_sas: update function description
  scsi: aacraid: Drop pci_enable_wake() from .resume
  scsi: aacraid: use generic power management
  scsi: aic7xxx: use generic power management
  scsi: aic79xx: use generic power management
  scsi: arcmsr: Drop PCI wakeup calls from .resume
  scsi: arcmsr: use generic power management
  scsi: esas2r: Drop PCI Wakeup calls from .resume
  scsi: esas2r: use generic power management
  scsi: hisi_sas_v3_hw: Drop PCI Wakeup calls from .resume
  scsi: hisi_sas_v3_hw: Don't use PCI helper functions
  scsi: hisi_sas_v3_hw: Remove extra function calls for runtime pm
  scsi: mpt3sas_scsih: Drop PCI Wakeup calls from .resume
  scsi: mpt3sas_scsih: use generic power management
  scsi: lpfc: use generic power management
  scsi: pm_8001: Drop PCI Wakeup calls from .resume
  scsi: pm_8001: use generic power management
  scsi: hpsa: use generic power management
  scsi: 3w-9xxx: Drop PCI Wakeup calls from .resume
  scsi: 3w-9xxx: use generic power management
  scsi: 3w-sas: Drop PCI Wakeup calls from .resume
  scsi: 3w-sas: use generic power management
  scsi: mvumi: Drop PCI Wakeup calls from .resume
  scsi: mvumi: use generic power management
  scsi: mvumi: update function description
  scsi: pmcraid: Drop PCI Wakeup calls from .resume
  scsi: pmcraid: use generic power management

 drivers/scsi/3w-9xxx.c                    |  30 ++-----
 drivers/scsi/3w-sas.c                     |  32 ++-----
 drivers/scsi/aacraid/linit.c              |  34 ++------
 drivers/scsi/aic7xxx/aic79xx.h            |  12 +--
 drivers/scsi/aic7xxx/aic79xx_core.c       |   8 +-
 drivers/scsi/aic7xxx/aic79xx_osm_pci.c    |  43 +++-------
 drivers/scsi/aic7xxx/aic79xx_pci.c        |   6 +-
 drivers/scsi/aic7xxx/aic7xxx.h            |  10 +--
 drivers/scsi/aic7xxx/aic7xxx_core.c       |   6 +-
 drivers/scsi/aic7xxx/aic7xxx_osm_pci.c    |  46 +++-------
 drivers/scsi/aic7xxx/aic7xxx_pci.c        |   4 +-
 drivers/scsi/arcmsr/arcmsr_hba.c          |  29 ++-----
 drivers/scsi/esas2r/esas2r.h              |   5 +-
 drivers/scsi/esas2r/esas2r_init.c         |  48 +++--------
 drivers/scsi/esas2r/esas2r_main.c         |   3 +-
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c    |  41 ++-------
 drivers/scsi/hpsa.c                       |  12 +--
 drivers/scsi/lpfc/lpfc_init.c             | 100 +++++++---------------
 drivers/scsi/megaraid/megaraid_sas_base.c |  54 +++---------
 drivers/scsi/mpt3sas/mpt3sas_scsih.c      |  35 +++-----
 drivers/scsi/mvumi.c                      |  49 +++--------
 drivers/scsi/pm8001/pm8001_init.c         |  46 ++++------
 drivers/scsi/pmcraid.c                    |  44 +++-------
 23 files changed, 193 insertions(+), 504 deletions(-)

-- 
2.28.0