netdev - [PATCH net-next 8/8] net: phy: mscc: improve vsc8514/8584_config

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Date:   Thu, 25 Jun 2020 17:42:11 +0200
From:   Antoine Tenart <antoine.tenart@...tlin.com>
To:     davem@...emloft.net, andrew@...n.ch, f.fainelli@...il.com,
        hkallweit1@...il.com
Cc:     Antoine Tenart <antoine.tenart@...tlin.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        thomas.petazzoni@...tlin.com
Subject: [PATCH net-next 8/8] net: phy: mscc: improve vsc8514/8584_config_init consistency

All PHY read and write return values are checked for errors in
vsc8514_config_init and vsc8584_config_init, except for one. Fix this.

Signed-off-by: Antoine Tenart <antoine.tenart@...tlin.com>
---
 drivers/net/phy/mscc/mscc_main.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/phy/mscc/mscc_main.c b/drivers/net/phy/mscc/mscc_main.c
index 04e1ef791cec..a4fbf3a4fa97 100644
--- a/drivers/net/phy/mscc/mscc_main.c
+++ b/drivers/net/phy/mscc/mscc_main.c
@@ -1375,8 +1375,10 @@ static int vsc8584_config_init(struct phy_device *phydev)
 			goto err;
 	}
 
-	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
-		       MSCC_PHY_PAGE_EXTENDED_GPIO);
+	ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
+			     MSCC_PHY_PAGE_EXTENDED_GPIO);
+	if (ret)
+		goto err;
 
 	val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
 	val &= ~MAC_CFG_MASK;
@@ -1774,8 +1776,10 @@ static int vsc8514_config_init(struct phy_device *phydev)
 	if (phy_package_init_once(phydev))
 		vsc8514_config_pre_init(phydev);
 
-	phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
-		       MSCC_PHY_PAGE_EXTENDED_GPIO);
+	ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
+			     MSCC_PHY_PAGE_EXTENDED_GPIO);
+	if (ret)
+		goto err;
 
 	val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
 
-- 
2.26.2