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[ Upstream commit ea64cdfad124922c931633e39287c5a31a9b14a1 ]
Commit 744d23c71af3 ("net: phy: Warn about incorrect mdio_bus_phy_resume()
state") introduced a WARN() on resume from system sleep if a PHY is not
in PHY_HALTED state.
Commit 6dbe852c379f ("net: phy: Don't WARN for PHY_READY state in
mdio_bus_phy_resume()") added an exemption for PHY_READY state from
the WARN().
It turns out PHY_UP state needs to be exempted as well because the
following may happen on suspend:
mdio_bus_phy_suspend()
phy_stop_machine()
phydev->state = PHY_UP # if (phydev->state >= PHY_UP)
Fixes: 744d23c71af3 ("net: phy: Warn about incorrect mdio_bus_phy_resume() state")
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/netdev/2b1a1588-505e-dff3-301d-bfc1fb14d685@samsung.com/
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Xiaolei Wang <xiaolei.wang@windriver.com>
Link: https://lore.kernel.org/r/8128fdb51eeebc9efbf3776a4097363a1317aaf1.1663905575.git.lukas@wunner.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
c83a7606aa