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net: phy: make mdio_bus_phy_suspend/resume as __maybe_unused

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When CONFIG_PM_SLEEP is disabled, the compiler warns about unused
functions:

drivers/net/phy/phy_device.c:273:12: error: unused function 'mdio_bus_phy_suspend' [-Werror,-Wunused-function]
static int mdio_bus_phy_suspend(struct device *dev)
drivers/net/phy/phy_device.c:293:12: error: unused function 'mdio_bus_phy_resume' [-Werror,-Wunused-function]
static int mdio_bus_phy_resume(struct device *dev)

The logic is intentional, so just mark these two as __maybe_unused
and remove the incorrect #ifdef.

Fixes: 4c0d2e96ba ("net: phy: consider that suspend2ram may cut off PHY power")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20210225145748.404410-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Arnd Bergmann 2021-02-25 15:57:27 +01:00 committed by Jakub Kicinski
parent 63c75c053b
commit 7f654157f0
1 changed files with 2 additions and 4 deletions
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6
drivers/net/phy/phy_device.c
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@ -230,7 +230,6 @@ static struct phy_driver genphy_driver;
static LIST_HEAD(phy_fixup_list);
static DEFINE_MUTEX(phy_fixup_lock);
#ifdef CONFIG_PM
static bool mdio_bus_phy_may_suspend(struct phy_device *phydev)
{
struct device_driver *drv = phydev->mdio.dev.driver;
@ -270,7 +269,7 @@ out:
return !phydev->suspended;
}
static int mdio_bus_phy_suspend(struct device *dev)
static __maybe_unused int mdio_bus_phy_suspend(struct device *dev)
{
struct phy_device *phydev = to_phy_device(dev);
@ -290,7 +289,7 @@ static int mdio_bus_phy_suspend(struct device *dev)
return phy_suspend(phydev);
}
static int mdio_bus_phy_resume(struct device *dev)
static __maybe_unused int mdio_bus_phy_resume(struct device *dev)
{
struct phy_device *phydev = to_phy_device(dev);
int ret;
@ -316,7 +315,6 @@ no_resume:
static SIMPLE_DEV_PM_OPS(mdio_bus_phy_pm_ops, mdio_bus_phy_suspend,
mdio_bus_phy_resume);
#endif /* CONFIG_PM */
/**
* phy_register_fixup - creates a new phy_fixup and adds it to the list