net: phy: adin: const-ify static data

Some bits of static data should have been made const from the start.
This change adds the const qualifier where appropriate.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/adin.c

@@ -145,7 +145,7 @@ struct adin_clause45_mmd_map {
 	u16 adin_regnum;
 };
 
-static struct adin_clause45_mmd_map adin_clause45_mmd_map[] = {
+static const struct adin_clause45_mmd_map adin_clause45_mmd_map[] = {
 	{ MDIO_MMD_PCS,	MDIO_PCS_EEE_ABLE,	ADIN1300_EEE_CAP_REG },
 	{ MDIO_MMD_AN,	MDIO_AN_EEE_LPABLE,	ADIN1300_EEE_LPABLE_REG },
 	{ MDIO_MMD_AN,	MDIO_AN_EEE_ADV,	ADIN1300_EEE_ADV_REG },
@@ -159,7 +159,7 @@ struct adin_hw_stat {
 	u16 reg2;
 };
 
-static struct adin_hw_stat adin_hw_stats[] = {
+static const struct adin_hw_stat adin_hw_stats[] = {
 	{ "total_frames_checked_count",		0x940A, 0x940B }, /* hi + lo */
 	{ "length_error_frames_count",		0x940C },
 	{ "alignment_error_frames_count",	0x940D },
@@ -456,7 +456,7 @@ static int adin_phy_config_intr(struct phy_device *phydev)
 static int adin_cl45_to_adin_reg(struct phy_device *phydev, int devad,
 				 u16 cl45_regnum)
 {
-	struct adin_clause45_mmd_map *m;
+	const struct adin_clause45_mmd_map *m;
 	int i;
 
 	if (devad == MDIO_MMD_VEND1)
@@ -650,7 +650,7 @@ static void adin_get_strings(struct phy_device *phydev, u8 *data)
 }
 
 static int adin_read_mmd_stat_regs(struct phy_device *phydev,
-				   struct adin_hw_stat *stat,
+				   const struct adin_hw_stat *stat,
 				   u32 *val)
 {
 	int ret;
@@ -676,7 +676,7 @@ static int adin_read_mmd_stat_regs(struct phy_device *phydev,
 
 static u64 adin_get_stat(struct phy_device *phydev, int i)
 {
-	struct adin_hw_stat *stat = &adin_hw_stats[i];
+	const struct adin_hw_stat *stat = &adin_hw_stats[i];
 	struct adin_priv *priv = phydev->priv;
 	u32 val;
 	int ret;