[PATCH net-next] ksz884x: mark pcidev_suspend() as __maybe_unused

[David Miller]

From: Wei Yongjun <weiyongjun1 at huawei.com>
Date: Thu, 2 Jul 2020 17:18:10 +0800

> In certain configurations without power management support, gcc report
> the following warning:
> 
> drivers/net/ethernet/micrel/ksz884x.c:7182:12: warning:
>  'pcidev_suspend' defined but not used [-Wunused-function]
>  7182 | static int pcidev_suspend(struct device *dev_d)
>       |            ^~~~~~~~~~~~~~
> 
> Mark pcidev_suspend() as __maybe_unused to make it clear.
> 
> Fixes: 64120615d140 ("ksz884x: use generic power management")
> Reported-by: Hulk Robot <hulkci at huawei.com>
> Signed-off-by: Wei Yongjun <weiyongjun1 at huawei.com>

Applied.