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[ Upstream commit6dbe852c37] For some MAC drivers, they set the mac_managed_pm to true in its ->ndo_open() callback. So before the mac_managed_pm is set to true, we still want to leverage the mdio_bus_phy_suspend()/resume() for the phy device suspend and resume. In this case, the phy device is in PHY_READY, and we shouldn't warn about this. It also seems that the check of mac_managed_pm in WARN_ON is redundant since we already check this in the entry of mdio_bus_phy_resume(), so drop it. Fixes:744d23c71a("net: phy: Warn about incorrect mdio_bus_phy_resume() state") Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20220819082451.1992102-1-xiaolei.wang@windriver.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>