From: Jisheng Zhang <jszh...@marvell.com> Date: Fri, 14 Apr 2017 19:07:32 +0800
> Recently, suspend/resume and WOL support are added into mvneta driver. > If we enable WOL, then we get some error as below on Marvell BG4CT > platforms during suspend: > > [ 184.149723] dpm_run_callback(): mdio_bus_suspend+0x0/0x50 returns -16 > [ 184.149727] PM: Device f7b62004.mdio-mi:00 failed to suspend: error -16 > > -16 means -EBUSY, phy_suspend() will return -EBUSY if it finds the > device has WOL enabled. > > We fix this issue by properly setting the netdev's power.can_wakeup > and power.wakeup, i.e > > 1. in mvneta_mdio_probe(), call device_set_wakeup_capable() to set > power.can_wakeup if the phy support WOL. > > 2. in mvneta_ethtool_set_wol(), call device_set_wakeup_enable() to > set power.wakeup if WOL has been successfully enabled in phy. > > Signed-off-by: Jisheng Zhang <jszh...@marvell.com> Applied.