Re: [Linux-kernel-mentees] [PATCH v2 00/15] scsi: use generic power management

From: Vaibhav Gupta <vaibhavgupta40@gmail.com>
To: Bjorn Helgaas <helgaas@kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Bjorn Helgaas <bjorn@helgaas.com>,
	Vaibhav Gupta <vaibhav.varodek@gmail.com>,
	Adam Radford <aradford@gmail.com>,
	"James E.J. Bottomley" <jejb@linux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Adaptec OEM Raid Solutions <aacraid@microsemi.com>,
	Hannes Reinecke <hare@suse.com>,
	Bradley Grove <linuxdrivers@attotech.com>,
	John Garry <john.garry@huawei.com>,
	Don Brace <don.brace@microsemi.com>,
	James Smart <james.smart@broadcom.com>,
	Dick Kennedy <dick.kennedy@broadcom.com>,
	Kashyap Desai <kashyap.desai@broadcom.com>,
	Sumit Saxena <sumit.saxena@broadcom.com>,
	Shivasharan S <shivasharan.srikanteshwara@broadcom.com>,
	Sathya Prakash <sathya.prakash@broadcom.com>,
	Sreekanth Reddy <sreekanth.reddy@broadcom.com>,
	Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com>,
	Jack Wang <jinpu.wang@cloud.ionos.com>
Cc: linux-scsi@vger.kernel.org, MPT-FusionLinux.pdl@broadcom.com,
	esc.storagedev@microsemi.com, linux-kernel@vger.kernel.org,
	linux-kernel-mentees@lists.linuxfoundation.org,
	megaraidlinux.pdl@broadcom.com
Subject: Re: [Linux-kernel-mentees] [PATCH v2 00/15] scsi: use generic power management
Date: Tue, 8 Sep 2020 22:24:58 +0530	[thread overview]
Message-ID: <20200908165458.GA9948@gmail.com> (raw)
In-Reply-To: <20200720133427.454400-1-vaibhavgupta40@gmail.com>

On Mon, Jul 20, 2020 at 07:04:13PM +0530, Vaibhav Gupta wrote:
> Linux Kernel Mentee: Remove Legacy Power Management.
> 
> The purpose of this patch series is to upgrade power management in scsi
> 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_request/release_regions(), 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.
> 
> v2: kbuild error in v1.
> 
> All patches are compile-tested only.
> 
> Test tools:
>     - Compiler: gcc (GCC) 10.1.0
>     - allmodconfig build: make -j$(nproc) W=1 all
> 
> Vaibhav Gupta (15):
>   scsi: megaraid_sas: use generic power management
>   scsi: aacraid: use generic power management
>   scsi: aic7xxx: use generic power management
>   scsi: aic79xx: use generic power management
>   scsi: arcmsr: use generic power management
>   scsi: esas2r: use generic power management
>   scsi: hisi_sas_v3_hw: use generic power management
>   scsi: mpt3sas_scsih: use generic power management
>   scsi: lpfc: use generic power management
>   scsi: pm_8001: use generic power management
>   scsi: hpsa: use generic power management
>   scsi: 3w-9xxx: use generic power management
>   scsi: 3w-sas: use generic power management
>   scsi: mvumi: use generic power management
>   scsi: pmcraid: use generic power management
> 
>  drivers/scsi/3w-9xxx.c                    |  30 ++-----
>  drivers/scsi/3w-sas.c                     |  31 ++-----
>  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          |  35 +++-----
>  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    |  32 +++----
>  drivers/scsi/hpsa.c                       |  12 +--
>  drivers/scsi/lpfc/lpfc_init.c             | 100 +++++++---------------
>  drivers/scsi/megaraid/megaraid_sas_base.c |  61 ++++---------
>  drivers/scsi/mpt3sas/mpt3sas_scsih.c      |  36 +++-----
>  drivers/scsi/mvumi.c                      |  49 +++--------
>  drivers/scsi/pm8001/pm8001_init.c         |  46 ++++------
>  drivers/scsi/pmcraid.c                    |  44 +++-------
>  23 files changed, 212 insertions(+), 489 deletions(-)
> 
> -- 
> 2.27.0
> 
Please review the patch-series.

Thanks
Vaibhav Gupta
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