This Patch Set add set_loopback in phy_driver and use it to setup loopback when doing ethtool phy self_test.
Patch V8: Respin the Patch based on net-next Patch V7: 1. Add comment why resume the phy in hns_nic_config_phy_loopback. 2. Fix a typo error in patch description. Patch V6: Fix Or'ing error code in __lb_setup. Patch V5: Removing non loopback related code change. Patch V4: 1. Remove c45 checking 2. Add -ENOTSUPP when function pointer is null, take mutex in phy_loopback. Patch V3: Calling phy_loopback enable and disable in pair in hns mac driver. Patch V2: 1. Add phy_loopback in phy_device.c. 2. Do error checking and do the read and write once in genphy_loopback. 3. Remove gen10g_loopback in phy_device.c. Patch V1: Initial Submit Lin Yun Sheng (2): net: phy: Add phy loopback support in net phy framework net: hns: Use phy_driver to setup Phy loopback drivers/net/ethernet/hisilicon/hns/hnae.h | 1 + drivers/net/ethernet/hisilicon/hns/hns_ethtool.c | 105 ++++++++--------------- drivers/net/phy/marvell.c | 1 + drivers/net/phy/phy_device.c | 51 +++++++++++ include/linux/phy.h | 5 ++ 5 files changed, 92 insertions(+), 71 deletions(-) -- 1.9.1