This Patch Set add set_loopback in phy_driver and use it to setup loopback
when doing ethtool phy self_test.

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/hns_ethtool.c | 68 +++++-------------------
 drivers/net/phy/marvell.c                        |  1 +
 drivers/net/phy/phy_device.c                     | 41 ++++++++++++++
 include/linux/phy.h                              |  5 ++
 4 files changed, 61 insertions(+), 54 deletions(-)

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1.9.1