Messages in this thread Patch in this message | | | Date | Fri, 25 Mar 2016 10:47:48 +0800 | From | Weidong Wang <> | Subject | [PATCH net-next] phy: keep the BCMR_LOOPBACK bit while setup forced mode |
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When tested the PHY SGMII Loopback,: 1.set the LOOPBACK bit, 2.set the autoneg to AUTONEG_DISABLE, it calls the genphy_setup_forced which will clear the bit.
So just keep the LOOPBACK bit while setup forced mode.
Signed-off-by: Weidong Wang <wangweidong1@huawei.com> --- drivers/net/phy/phy_device.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index e551f3a..8da4b80 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1124,7 +1124,9 @@ static int genphy_config_advert(struct phy_device *phydev) int genphy_setup_forced(struct phy_device *phydev) { int ctl = 0; + int val = phy_read(phydev, MII_BMCR);
+ ctl |= val & BMCR_LOOPBACK; phydev->pause = 0; phydev->asym_pause = 0;
-- 2.7.0
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