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authorDave Airlie <airlied@redhat.com>2018-01-18 02:32:15 +0300
committerDave Airlie <airlied@redhat.com>2018-01-18 02:32:15 +0300
commit4a6cc7a44e98a0460bd094b68c75f0705fdc450a (patch)
treeb8c86a1e0342b1166ab52c4d79e404eede57abec /drivers/net/phy/marvell.c
parent8563188e37b000979ab66521f4337df9a3453223 (diff)
parenta8750ddca918032d6349adbf9a4b6555e7db20da (diff)
downloadlinux-4a6cc7a44e98a0460bd094b68c75f0705fdc450a.tar.xz
BackMerge tag 'v4.15-rc8' into drm-next
Linux 4.15-rc8 Daniel requested this for so the intel CI won't fall over on drm-next so often.
Diffstat (limited to 'drivers/net/phy/marvell.c')
-rw-r--r--drivers/net/phy/marvell.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index b5a8f750e433..82104edca393 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -879,6 +879,8 @@ static int m88e1510_config_init(struct phy_device *phydev)
/* SGMII-to-Copper mode initialization */
if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
+ u32 pause;
+
/* Select page 18 */
err = marvell_set_page(phydev, 18);
if (err < 0)
@@ -902,6 +904,16 @@ static int m88e1510_config_init(struct phy_device *phydev)
err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
if (err < 0)
return err;
+
+ /* There appears to be a bug in the 88e1512 when used in
+ * SGMII to copper mode, where the AN advertisment register
+ * clears the pause bits each time a negotiation occurs.
+ * This means we can never be truely sure what was advertised,
+ * so disable Pause support.
+ */
+ pause = SUPPORTED_Pause | SUPPORTED_Asym_Pause;
+ phydev->supported &= ~pause;
+ phydev->advertising &= ~pause;
}
return m88e1121_config_init(phydev);
@@ -2073,7 +2085,7 @@ static struct phy_driver marvell_drivers[] = {
.flags = PHY_HAS_INTERRUPT,
.probe = marvell_probe,
.config_init = &m88e1145_config_init,
- .config_aneg = &marvell_config_aneg,
+ .config_aneg = &m88e1101_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,