net: macb: fix call to pm_runtime in the suspend/resume functions

The calls to pm_runtime_force_suspend/resume() functions are only
relevant if the device is not configured to act as a WoL wakeup source.
Add the device_may_wakeup() test before calling them.

Fixes: 3e2a5e1 ("net: macb: add wake-on-lan support via magic packet")
Cc: Claudiu Beznea <[email protected]>
Cc: Harini Katakam <[email protected]>
Cc: Sergio Prado <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Signed-off-by: Nicolas Ferre <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: noglitch

drivers/net/ethernet/cadence/macb_main.c

@@ -4606,7 +4606,8 @@ static int __maybe_unused macb_suspend(struct device *dev)
 
 	if (bp->ptp_info)
 		bp->ptp_info->ptp_remove(netdev);
-	pm_runtime_force_suspend(dev);
+	if (!device_may_wakeup(dev))
+		pm_runtime_force_suspend(dev);
 
 	return 0;
 }
@@ -4621,7 +4622,8 @@ static int __maybe_unused macb_resume(struct device *dev)
 	if (!netif_running(netdev))
 		return 0;
 
-	pm_runtime_force_resume(dev);
+	if (!device_may_wakeup(dev))
+		pm_runtime_force_resume(dev);
 
 	if (bp->wol & MACB_WOL_ENABLED) {
 		macb_writel(bp, IDR, MACB_BIT(WOL));