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net: hns3: add wait until mac link down
In some configure flow of hns3 driver, for example, change mtu, it will disable MAC through firmware before configuration. But firmware disables MAC asynchronously. The rx traffic may be not stopped in this case. So fixes it by waiting until mac link is down. Fixes: a9775bb ("net: hns3: fix set and get link ksettings issue") Signed-off-by: Jie Wang <wangjie125@huawei.com> Signed-off-by: Jijie Shao <shaojijie@huawei.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Link: https://lore.kernel.org/r/20230807113452.474224-4-shaojijie@huawei.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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