linux-kernel - Re: [PATCH v2 10/15] scsi: pm_8001: use generic power management

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Date:   Thu, 23 Jul 2020 09:02:36 +0200
From:   Jinpu Wang <jinpu.wang@...ud.ionos.com>
To:     Vaibhav Gupta <vaibhavgupta40@...il.com>
Cc:     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>,
        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>,
        Shuah Khan <skhan@...uxfoundation.org>,
        linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        Linux SCSI Mailinglist <linux-scsi@...r.kernel.org>,
        esc.storagedev@...rosemi.com, megaraidlinux.pdl@...adcom.com,
        MPT-FusionLinux.pdl@...adcom.com
Subject: Re: [PATCH v2 10/15] scsi: pm_8001: use generic power management

On Mon, Jul 20, 2020 at 3:38 PM Vaibhav Gupta <vaibhavgupta40@...il.com> wrote:
>
> With legacy PM, drivers themselves were responsible for managing the
> device's power states and takes care of register states.
>
> After upgrading to the generic structure, PCI core will take care of
> required tasks and drivers should do only device-specific operations.
>
> The driver was calling pci_save/restore_state(), pci_choose_state(),
> pci_enable/disable_device() and pci_set_power_state() which is no more
> needed.
>
> Compile-tested only.
>
> Signed-off-by: Vaibhav Gupta <vaibhavgupta40@...il.com>
nit: subject should be pm8001
Thanks!
Acked-by: Jack Wang <jinpu.wang@...ud.ionos.com>