diff --git a/drivers/net/phy/mxl-gpy.c b/drivers/net/phy/mxl-gpy.c index 2d5d5081c3b6..5ce1bf03bbd7 100644 --- a/drivers/net/phy/mxl-gpy.c +++ b/drivers/net/phy/mxl-gpy.c @@ -493,6 +493,25 @@ static int gpy_loopback(struct phy_device *phydev, bool enable) return ret; } +static int gpy115_loopback(struct phy_device *phydev, bool enable) +{ + int ret; + int fw_minor; + + if (enable) + return gpy_loopback(phydev, enable); + + ret = phy_read(phydev, PHY_FWV); + if (ret < 0) + return ret; + + fw_minor = FIELD_GET(PHY_FWV_MINOR_MASK, ret); + if (fw_minor > 0x0076) + return gpy_loopback(phydev, 0); + + return genphy_soft_reset(phydev); +} + static struct phy_driver gpy_drivers[] = { { PHY_ID_MATCH_MODEL(PHY_ID_GPY2xx), @@ -527,7 +546,7 @@ static struct phy_driver gpy_drivers[] = { .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, - .set_loopback = gpy_loopback, + .set_loopback = gpy115_loopback, }, { PHY_ID_MATCH_MODEL(PHY_ID_GPY115C), @@ -544,7 +563,7 @@ static struct phy_driver gpy_drivers[] = { .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, - .set_loopback = gpy_loopback, + .set_loopback = gpy115_loopback, }, { .phy_id = PHY_ID_GPY211B,