diff mbox series

[net-next] net: phy: micrel: use phy_read_mmd and phy_write_mmd

Message ID b868d66d-c66a-fe6d-fcfc-54dc9ec875d5@gmail.com
State Accepted
Delegated to: David Miller
Headers show
Series [net-next] net: phy: micrel: use phy_read_mmd and phy_write_mmd | expand

Commit Message

Heiner Kallweit Jan. 16, 2019, 8:52 p.m. UTC 
This driver implements open-coded versions of phy_read_mmd() and
phy_write_mmd() for KSZ9031. That's not needed, let's use the
phylib functions directly.

This is compile-tested only because I have no such hardware.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/net/phy/micrel.c | 43 ++++++++++------------------------------
 1 file changed, 11 insertions(+), 32 deletions(-)

Comments

Andrew Lunn Jan. 16, 2019, 9:32 p.m. UTC | #1 
On Wed, Jan 16, 2019 at 09:52:22PM +0100, Heiner Kallweit wrote:
> This driver implements open-coded versions of phy_read_mmd() and
> phy_write_mmd() for KSZ9031. That's not needed, let's use the
> phylib functions directly.
> 
> This is compile-tested only because I have no such hardware.
> 
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew
David Miller Jan. 17, 2019, 11:11 p.m. UTC | #2 
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Wed, 16 Jan 2019 21:52:22 +0100

> This driver implements open-coded versions of phy_read_mmd() and
> phy_write_mmd() for KSZ9031. That's not needed, let's use the
> phylib functions directly.
> 
> This is compile-tested only because I have no such hardware.
> 
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>

Applied.
diff mbox series

Patch

diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 7828d17f0..48135a9b9 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -426,9 +426,6 @@  static int ksz9021_config_init(struct phy_device *phydev)
 	return 0;
 }
 
-#define MII_KSZ9031RN_MMD_CTRL_REG	0x0d
-#define MII_KSZ9031RN_MMD_REGDATA_REG	0x0e
-#define OP_DATA				1
 #define KSZ9031_PS_TO_REG		60
 
 /* Extended registers */
@@ -446,24 +443,6 @@  static int ksz9021_config_init(struct phy_device *phydev)
 #define MII_KSZ9031RN_EDPD		0x23
 #define MII_KSZ9031RN_EDPD_ENABLE	BIT(0)
 
-static int ksz9031_extended_write(struct phy_device *phydev,
-				  u8 mode, u32 dev_addr, u32 regnum, u16 val)
-{
-	phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, dev_addr);
-	phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, regnum);
-	phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, (mode << 14) | dev_addr);
-	return phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, val);
-}
-
-static int ksz9031_extended_read(struct phy_device *phydev,
-				 u8 mode, u32 dev_addr, u32 regnum)
-{
-	phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, dev_addr);
-	phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, regnum);
-	phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, (mode << 14) | dev_addr);
-	return phy_read(phydev, MII_KSZ9031RN_MMD_REGDATA_REG);
-}
-
 static int ksz9031_of_load_skew_values(struct phy_device *phydev,
 				       const struct device_node *of_node,
 				       u16 reg, size_t field_sz,
@@ -484,7 +463,7 @@  static int ksz9031_of_load_skew_values(struct phy_device *phydev,
 		return 0;
 
 	if (matches < numfields)
-		newval = ksz9031_extended_read(phydev, OP_DATA, 2, reg);
+		newval = phy_read_mmd(phydev, 2, reg);
 	else
 		newval = 0;
 
@@ -498,7 +477,7 @@  static int ksz9031_of_load_skew_values(struct phy_device *phydev,
 					<< (field_sz * i));
 		}
 
-	return ksz9031_extended_write(phydev, OP_DATA, 2, reg, newval);
+	return phy_write_mmd(phydev, 2, reg, newval);
 }
 
 /* Center KSZ9031RNX FLP timing at 16ms. */
@@ -506,13 +485,13 @@  static int ksz9031_center_flp_timing(struct phy_device *phydev)
 {
 	int result;
 
-	result = ksz9031_extended_write(phydev, OP_DATA, 0,
-					MII_KSZ9031RN_FLP_BURST_TX_HI, 0x0006);
+	result = phy_write_mmd(phydev, 0, MII_KSZ9031RN_FLP_BURST_TX_HI,
+			       0x0006);
 	if (result)
 		return result;
 
-	result = ksz9031_extended_write(phydev, OP_DATA, 0,
-					MII_KSZ9031RN_FLP_BURST_TX_LO, 0x1A80);
+	result = phy_write_mmd(phydev, 0, MII_KSZ9031RN_FLP_BURST_TX_LO,
+			       0x1A80);
 	if (result)
 		return result;
 
@@ -524,11 +503,11 @@  static int ksz9031_enable_edpd(struct phy_device *phydev)
 {
 	int reg;
 
-	reg = ksz9031_extended_read(phydev, OP_DATA, 0x1C, MII_KSZ9031RN_EDPD);
+	reg = phy_read_mmd(phydev, 0x1C, MII_KSZ9031RN_EDPD);
 	if (reg < 0)
 		return reg;
-	return ksz9031_extended_write(phydev, OP_DATA, 0x1C, MII_KSZ9031RN_EDPD,
-				      reg | MII_KSZ9031RN_EDPD_ENABLE);
+	return phy_write_mmd(phydev, 0x1C, MII_KSZ9031RN_EDPD,
+			     reg | MII_KSZ9031RN_EDPD_ENABLE);
 }
 
 static int ksz9031_config_init(struct phy_device *phydev)
@@ -654,7 +633,7 @@  static int ksz9131_of_load_skew_values(struct phy_device *phydev,
 		return 0;
 
 	if (matches < numfields)
-		newval = ksz9031_extended_read(phydev, OP_DATA, 2, reg);
+		newval = phy_read_mmd(phydev, 2, reg);
 	else
 		newval = 0;
 
@@ -668,7 +647,7 @@  static int ksz9131_of_load_skew_values(struct phy_device *phydev,
 					<< (field_sz * i));
 		}
 
-	return ksz9031_extended_write(phydev, OP_DATA, 2, reg, newval);
+	return phy_write_mmd(phydev, 2, reg, newval);
 }
 
 static int ksz9131_config_init(struct phy_device *phydev)