4.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Russell King rmk+kernel@armlinux.org.uk
[ Upstream commit 20b56ed9f8adfb9a7fb1c878878c54aa4ed645c1 ]
The detection of a PHY changed in commit e98a3aabf85f ("mdio_bus: don't return NULL from mdiobus_scan()") which now causes sfp to print an error message. Update for this change.
Fixes: 73970055450e ("sfp: add SFP module support") Signed-off-by: Russell King rmk+kernel@armlinux.org.uk Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/phy/sfp.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -315,12 +315,12 @@ static void sfp_sm_probe_phy(struct sfp msleep(T_PHY_RESET_MS);
phy = mdiobus_scan(sfp->i2c_mii, SFP_PHY_ADDR); - if (IS_ERR(phy)) { - dev_err(sfp->dev, "mdiobus scan returned %ld\n", PTR_ERR(phy)); + if (phy == ERR_PTR(-ENODEV)) { + dev_info(sfp->dev, "no PHY detected\n"); return; } - if (!phy) { - dev_info(sfp->dev, "no PHY detected\n"); + if (IS_ERR(phy)) { + dev_err(sfp->dev, "mdiobus scan returned %ld\n", PTR_ERR(phy)); return; }