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Message-ID: <20240306231410.GA589078@bhelgaas>
Date: Wed, 6 Mar 2024 17:14:10 -0600
From: Bjorn Helgaas <helgaas@...nel.org>
To: Jesse Brandeburg <jesse.brandeburg@...el.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
	horms@...nel.org, pmenzel@...gen.mpg.de,
	Alan Brady <alan.brady@...el.com>,
	Tony Nguyen <anthony.l.nguyen@...el.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Paul Cercueil <paul@...pouillou.net>
Subject: Re: [PATCH iwl-next v2 1/2] igb: simplify pci ops declaration

[+cc Paul for __maybe_unused cleanup]

On Tue, Mar 05, 2024 at 06:50:21PM -0800, Jesse Brandeburg wrote:
> The igb driver was pre-declaring tons of functions just so that it could
> have an early declaration of the pci_driver struct.
> 
> Delete a bunch of the declarations and move the struct to the bottom of the
> file, after all the functions are declared.

Nice fix, that was always annoying.

Seems like there's an opportunity to drop some of the __maybe_unused
annotations:

  static int __maybe_unused igb_suspend(struct device *dev)

after 1a3c7bb08826 ("PM: core: Add new *_PM_OPS macros, deprecate old ones").

I don't know if SET_RUNTIME_PM_OPS() makes __maybe_unused unnecessary
or not.

> +#ifdef CONFIG_PM
> +static const struct dev_pm_ops igb_pm_ops = {
> +	SET_SYSTEM_SLEEP_PM_OPS(igb_suspend, igb_resume)
> +	SET_RUNTIME_PM_OPS(igb_runtime_suspend, igb_runtime_resume,
> +			   igb_runtime_idle)
> +};
> +#endif
> +
> +static struct pci_driver igb_driver = {
> +	.name     = igb_driver_name,
> +	.id_table = igb_pci_tbl,
> +	.probe    = igb_probe,
> +	.remove   = igb_remove,
> +#ifdef CONFIG_PM
> +	.driver.pm = &igb_pm_ops,
> +#endif
> +	.shutdown = igb_shutdown,
> +	.sriov_configure = igb_pci_sriov_configure,
> +	.err_handler = &igb_err_handler
> +};
> +
>  /* igb_main.c */
> -- 
> 2.39.3
> 

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