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From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Fri, 20 Mar 2020 17:52:53 +0100
Subject: net: phy: aquantia: remove downshift warning now that phylib takes
 care
Patch-mainline: v5.7-rc1
Git-commit: 1ec32eb68562637ce2b83eebb6ca39a6b39a3a0b
References: bsc#1176447

Now that phylib notifies the user of a downshift we can remove
this functionality from the driver.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/phy/aquantia_main.c |   25 +------------------------
 1 file changed, 1 insertion(+), 24 deletions(-)

--- a/drivers/net/phy/aquantia_main.c
+++ b/drivers/net/phy/aquantia_main.c
@@ -290,17 +290,6 @@ static int aqr_read_status(struct phy_de
 	return genphy_c45_read_status(phydev);
 }
 
-static int aqr107_read_downshift_event(struct phy_device *phydev)
-{
-	int val;
-
-	val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_TX_VEND_INT_STATUS1);
-	if (val < 0)
-		return val;
-
-	return !!(val & MDIO_AN_TX_VEND_INT_STATUS1_DOWNSHIFT);
-}
-
 static int aqr107_read_rate(struct phy_device *phydev)
 {
 	int val;
@@ -375,13 +364,7 @@ static int aqr107_read_status(struct phy
 		break;
 	}
 
-	val = aqr107_read_downshift_event(phydev);
-	if (val <= 0)
-		return val;
-
-	phydev_warn(phydev, "Downshift occurred! Cabling may be defective.\n");
-
-	/* Read downshifted rate from vendor register */
+	/* Read possibly downshifted rate from vendor register */
 	return aqr107_read_rate(phydev);
 }
 
@@ -503,9 +486,6 @@ static int aqr107_config_init(struct phy
 	if (!ret)
 		aqr107_chip_info(phydev);
 
-	/* ensure that a latched downshift event is cleared */
-	aqr107_read_downshift_event(phydev);
-
 	return aqr107_set_downshift(phydev, MDIO_AN_VEND_PROV_DOWNSHIFT_DFLT);
 }
 
@@ -530,9 +510,6 @@ static int aqcs109_config_init(struct ph
 	if (ret)
 		return ret;
 
-	/* ensure that a latched downshift event is cleared */
-	aqr107_read_downshift_event(phydev);
-
 	return aqr107_set_downshift(phydev, MDIO_AN_VEND_PROV_DOWNSHIFT_DFLT);
 }