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Date:   Wed, 1 Jul 2020 08:58:05 -0700
From:   Jakub Kicinski <kuba@kernel.org>
To:     Vaibhav Gupta <vaibhavgupta40@gmail.com>
Cc:     Bjorn Helgaas <helgaas@kernel.org>,
        Bjorn Helgaas <bhelgaas@google.com>, bjorn@helgaas.com,
        Vaibhav Gupta <vaibhav.varodek@gmail.com>,
        "David S. Miller" <davem@davemloft.net>,
        David Dillow <dave@thedillows.org>,
        Ion Badulescu <ionut@badula.org>,
        Netanel Belgazal <netanel@amazon.com>,
        Arthur Kiyanovski <akiyano@amazon.com>,
        Guy Tzalik <gtzalik@amazon.com>,
        Saeed Bishara <saeedb@amazon.com>,
        Zorik Machulsky <zorik@amazon.com>,
        Derek Chickles <dchickles@marvell.com>,
        Satanand Burla <sburla@marvell.com>,
        Felix Manlunas <fmanlunas@marvell.com>,
        Denis Kirjanov <kda@linux-powerpc.org>,
        Ajit Khaparde <ajit.khaparde@broadcom.com>,
        Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>,
        Somnath Kotur <somnath.kotur@broadcom.com>,
        Tariq Toukan <tariqt@mellanox.com>,
        Jon Mason <jdmason@kudzu.us>, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        linux-kernel-mentees@lists.linuxfoundation.org,
        skhan@linuxfoundation.org
Subject: Re: [PATCH v1 04/11] ena_netdev: use generic power management
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        <20200701125938.639447-5-vaibhavgupta40@gmail.com>
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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.
>=20
> After upgrading to the generic structure, PCI core will take care of
> required tasks and drivers should do only device-specific operations.
>=20
> Compile-tested only.
>=20
> Signed-off-by: Vaibhav Gupta <vaibhavgupta40@gmail.com>

This one produces a warning on a W=3D1 build:

drivers/net/ethernet/amazon/ena/ena_netdev.c:4464:26: warning: =E2=80=98ena=
_pm_ops=E2=80=99 defined but not used [-Wunused-const-variable=3D]
  4464 | static SIMPLE_DEV_PM_OPS(ena_pm_ops, ena_suspend, ena_resume);