Re: [PATCH drivers/net] #ifdef mdio_bus_phy_suspend() and mdio_bus_phy_suspend()

[Paul E. McKenney]

On Wed, Mar 03, 2021 at 06:04:22PM +0000, Russell King - ARM Linux admin wrote:
> On Wed, Mar 03, 2021 at 09:53:38AM -0800, Paul E. McKenney wrote:
> > drivers/net: #ifdef mdio_bus_phy_suspend() and mdio_bus_phy_suspend()
> > 
> > The following build error is emitted by rcutorture builds of v5.12-rc1:
> > 
> > drivers/net/phy/phy_device.c:293:12: warning: ‘mdio_bus_phy_resume’ defined but not used [-Wunused-function]
> > drivers/net/phy/phy_device.c:273:12: warning: ‘mdio_bus_phy_suspend’ defined but not used [-Wunused-function]
> > 
> > The problem is that these functions are only used by SIMPLE_DEV_PM_OPS(),
> > which creates a dev_pm_ops structure only in CONFIG_PM_SLEEP=y kernels.
> > Therefore, the mdio_bus_phy_suspend() and mdio_bus_phy_suspend() functions
> > will be used only in CONFIG_PM_SLEEP=y kernels.  This commit therefore
> > wraps them in #ifdef CONFIG_PM_SLEEP.
> 
> Arnd submitted a patch that Jakub has applied which fix these warnings
> in a slightly different way. Please see
> 20210225145748.404410-1-arnd@xxxxxxxxxx

Works for me!  When will this be hitting mainline?

Not a huge deal given that I can suppress the resulting rcutorture
failures by keeping a copy of either patch in -rcu, but I might not
be the only one hitting this.

							Thanx, Paul