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From: Ian Campbell <ijc@hellion.org.uk>
Subject: phy/marvell: disable 4-port phys
Date: Wed, 20 Nov 2013 08:30:14 +0000
Bug-Debian: https://bugs.debian.org/723177
Forwarded: https://lore.kernel.org/netdev/1386932764.20787.85.camel@dagon.hellion.org.uk/
The Marvell PHY was originally disabled because it can cause networking
failures on some systems. According to Lennert Buytenhek this is because some
of the variants added did not share the same register layout. Since the known
cases are all 4-ports disable those variants (indicated by a 4 in the
penultimate position of the model name) until they can be audited for
correctness.
[bwh: Also #if-out the init functions for these PHYs to avoid
compiler warnings]
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -1320,6 +1320,7 @@ static int m88e1118_config_init(struct phy_device *phydev)
return genphy_soft_reset(phydev);
}
+#if 0
static int m88e1149_config_init(struct phy_device *phydev)
{
int err;
@@ -1345,7 +1346,9 @@ static int m88e1149_config_init(struct phy_device *phydev)
return genphy_soft_reset(phydev);
}
+#endif
+#if 0
static int m88e1145_config_init_rgmii(struct phy_device *phydev)
{
int err;
@@ -1423,6 +1426,7 @@ static int m88e1145_config_init(struct phy_device *phydev)
return 0;
}
+#endif
static int m88e1540_get_fld(struct phy_device *phydev, u8 *msecs)
{
@@ -3414,6 +3418,7 @@ static struct phy_driver marvell_drivers[] = {
.led_hw_control_set = m88e1318_led_hw_control_set,
.led_hw_control_get = m88e1318_led_hw_control_get,
},
+#if 0
{
.phy_id = MARVELL_PHY_ID_88E1145,
.phy_id_mask = MARVELL_PHY_ID_MASK,
@@ -3434,6 +3439,8 @@ static struct phy_driver marvell_drivers[] = {
.get_tunable = m88e1111_get_tunable,
.set_tunable = m88e1111_set_tunable,
},
+#endif
+#if 0
{
.phy_id = MARVELL_PHY_ID_88E1149R,
.phy_id_mask = MARVELL_PHY_ID_MASK,
@@ -3452,6 +3459,8 @@ static struct phy_driver marvell_drivers[] = {
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
+#endif
+#if 0
{
.phy_id = MARVELL_PHY_ID_88E1240,
.phy_id_mask = MARVELL_PHY_ID_MASK,
@@ -3472,6 +3481,7 @@ static struct phy_driver marvell_drivers[] = {
.get_tunable = m88e1011_get_tunable,
.set_tunable = m88e1011_set_tunable,
},
+#endif
{
.phy_id = MARVELL_PHY_ID_88E1116R,
.phy_id_mask = MARVELL_PHY_ID_MASK,
@@ -3744,9 +4074,9 @@ static struct mdio_device_id __maybe_unused marvell_tbl[] = {
{ MARVELL_PHY_ID_88E1111_FINISAR, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1118, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1121R, MARVELL_PHY_ID_MASK },
- { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK },
- { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK },
- { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK },
+/* { MARVELL_PHY_ID_88E1145, MARVELL_PHY_ID_MASK }, */
+/* { MARVELL_PHY_ID_88E1149R, MARVELL_PHY_ID_MASK }, */
+/* { MARVELL_PHY_ID_88E1240, MARVELL_PHY_ID_MASK }, */
{ MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
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