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Date:   Wed, 1 Jul 2020 22:15:35 +0530
From:   Vaibhav Gupta <vaibhav.varodek@...il.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Vaibhav Gupta <vaibhavgupta40@...il.com>,
        Bjorn Helgaas <helgaas@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>, bjorn@...gaas.com,
        "David S. Miller" <davem@...emloft.net>,
        David Dillow <dave@...dillows.org>,
        Ion Badulescu <ionut@...ula.org>,
        Netanel Belgazal <netanel@...zon.com>,
        Arthur Kiyanovski <akiyano@...zon.com>,
        Guy Tzalik <gtzalik@...zon.com>,
        Saeed Bishara <saeedb@...zon.com>,
        Zorik Machulsky <zorik@...zon.com>,
        Derek Chickles <dchickles@...vell.com>,
        Satanand Burla <sburla@...vell.com>,
        Felix Manlunas <fmanlunas@...vell.com>,
        Denis Kirjanov <kda@...ux-powerpc.org>,
        Ajit Khaparde <ajit.khaparde@...adcom.com>,
        Sriharsha Basavapatna <sriharsha.basavapatna@...adcom.com>,
        Somnath Kotur <somnath.kotur@...adcom.com>,
        Tariq Toukan <tariqt@...lanox.com>,
        Jon Mason <jdmason@...zu.us>, netdev@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        skhan@...uxfoundation.org
Subject: Re: [PATCH v1 04/11] ena_netdev: use generic power management

On Wed, 1 Jul 2020 at 21:28, Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Wed,  1 Jul 2020 18:29:31 +0530 Vaibhav Gupta 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.
> >
> > Compile-tested only.
> >
> > Signed-off-by: Vaibhav Gupta <vaibhavgupta40@...il.com>
>
> This one produces a warning on a W=1 build:
>
> drivers/net/ethernet/amazon/ena/ena_netdev.c:4464:26: warning: ‘ena_pm_ops’ defined but not used [-Wunused-const-variable=]
>   4464 | static SIMPLE_DEV_PM_OPS(ena_pm_ops, ena_suspend, ena_resume);
I forgot to bind it inside "static struct pci_driver ena_pci_driver" :
      .driver.pm = &ena_pm_ops,

I am sending v2 of this particular patch.

--Vaibhav Gupta

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