8ec87289e5
When we use the following cmd to modify the link speed of specified port: "port config <port_id> speed xxx duplex xxx", we have to stop all ports. It's not necessary. Fixes: 82113036e4e5 ("ethdev: redesign link speed config") Cc: stable@dpdk.org Signed-off-by: Huisong Li <lihuisong@huawei.com> Signed-off-by: Min Hu (Connor) <humin29@huawei.com> Acked-by: Ferruh Yigit <ferruh.yigit@intel.com> Acked-by: Xiaoyun Li <xiaoyun.li@intel.com>