linux-kernel - [PATCH 4.19 109/422] net: phy: mscc: read vsc8531, edge-slowdown as an u32

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Message-Id: <20191119051406.207718500@linuxfoundation.org>
Date:   Tue, 19 Nov 2019 06:15:06 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Quentin Schulz <quentin.schulz@...tlin.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 109/422] net: phy: mscc: read vsc8531, edge-slowdown as an u32

From: Quentin Schulz <quentin.schulz@...tlin.com>

[ Upstream commit 36c53cf0f46526b898390659b125155939f67892 ]

In the DT binding, it is specified nowhere that 'vsc8531,edge-slowdown'
is an u8, even though it's read as an u8 in the driver.

Let's update the driver to take into consideration that the
'vsc8531,edge-slowdown' property is of the default type u32.

Signed-off-by: Quentin Schulz <quentin.schulz@...tlin.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/phy/mscc.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c
index 53d63a71a03e2..36647b70b9a36 100644
--- a/drivers/net/phy/mscc.c
+++ b/drivers/net/phy/mscc.c
@@ -112,7 +112,7 @@ struct vsc8531_private {
 #ifdef CONFIG_OF_MDIO
 struct vsc8531_edge_rate_table {
 	u32 vddmac;
-	u8 slowdown[8];
+	u32 slowdown[8];
 };
 
 static const struct vsc8531_edge_rate_table edge_table[] = {
@@ -375,8 +375,7 @@ out_unlock:
 #ifdef CONFIG_OF_MDIO
 static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
 {
-	u8 sd;
-	u32 vdd;
+	u32 vdd, sd;
 	int rc, i, j;
 	struct device *dev = &phydev->mdio.dev;
 	struct device_node *of_node = dev->of_node;
@@ -389,7 +388,7 @@ static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
 	if (rc != 0)
 		vdd = MSCC_VDDMAC_3300;
 
-	rc = of_property_read_u8(of_node, "vsc8531,edge-slowdown", &sd);
+	rc = of_property_read_u32(of_node, "vsc8531,edge-slowdown", &sd);
 	if (rc != 0)
 		sd = 0;
 
-- 
2.20.1