mainline inclusion
from mainline-v4.20-rc1
commit 075ddebc
category: bugfix
bugzilla: NA
CVE: NA

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When being in state PHY_HALTED we don't have to reschedule the
state machine, phy_start() will start it again.
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
Signed-off-by: NYufeng Mo <moyufeng@huawei.com>
Reviewed-by: Nlinyunsheng <linyunsheng@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>