net: hns: Clean rx fbd when ae stopped.
authorYonglong Liu <liuyonglong@huawei.com>
Sat, 15 Dec 2018 03:53:24 +0000 (11:53 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 13 Jan 2019 08:51:00 +0000 (09:51 +0100)
commitac9ae1930a1b7136d9167373fb19c4c7d05c6c85
tree0eae49616001e1be8a20b91a6e1aa244313ef40a
parent1b2f8d7cc1b2a9a6de1ba349a70da0a2496966fa
net: hns: Clean rx fbd when ae stopped.

[ Upstream commit 31f6b61d810654fb3ef43f4d8afda0f44b142fad ]

If there are packets in hardware when changing the speed or duplex,
it may cause hardware hang up.

This patch adds the code to wait rx fbd clean up when ae stopped.

Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c