[Linux-kernel-mentees] [PATCH v1 04/11] ena_netdev: use generic power management

Vaibhav Gupta vaibhav.varodek at gmail.com
Wed Jul 1 16:45:35 UTC 2020


On Wed, 1 Jul 2020 at 21:28, Jakub Kicinski <kuba at kernel.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 at gmail.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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