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

Jakub Kicinski kuba at kernel.org
Wed Jul 1 15:58:05 UTC 2020

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);

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