netdev - [RFT][PATCH V2 10/10] net: dsa: microchip: Replace ad-hoc bit manipulation with regmap

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Date:   Fri, 21 Dec 2018 02:58:41 +0100
From:   Marek Vasut <marex@...x.de>
To:     netdev@...r.kernel.org
Cc:     f.fainelli@...il.com, andrew@...n.ch, Marek Vasut <marex@...x.de>,
        Tristram Ha <Tristram.Ha@...rochip.com>,
        Woojung Huh <Woojung.Huh@...rochip.com>
Subject: [RFT][PATCH V2 10/10] net: dsa: microchip: Replace ad-hoc bit manipulation with regmap

Regmap provides bit manipulation functions to set/clear bits, use those
insted of reimplementing them.

Signed-off-by: Marek Vasut <marex@...x.de>
Cc: Andrew Lunn <andrew@...n.ch>
Cc: Florian Fainelli <f.fainelli@...il.com>
Cc: Tristram Ha <Tristram.Ha@...rochip.com>
Cc: Woojung Huh <Woojung.Huh@...rochip.com>
---
V2: New patch
---
 drivers/net/dsa/microchip/ksz9477.c | 46 ++++-------------------------
 1 file changed, 6 insertions(+), 40 deletions(-)

diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index 5e720a9e3659..ba3371f2ab0c 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -65,60 +65,26 @@ static const struct {
 
 static void ksz_cfg(struct ksz_device *dev, u32 addr, u8 bits, bool set)
 {
-	u8 data;
-
-	ksz_read8(dev, addr, &data);
-	if (set)
-		data |= bits;
-	else
-		data &= ~bits;
-	ksz_write8(dev, addr, data);
+	regmap_update_bits(dev->regmap[0], addr, bits, set ? bits : 0);
 }
 
 static void ksz_port_cfg(struct ksz_device *dev, int port, int offset, u8 bits,
 			 bool set)
 {
-	u32 addr;
-	u8 data;
-
-	addr = PORT_CTRL_ADDR(port, offset);
-	ksz_read8(dev, addr, &data);
-
-	if (set)
-		data |= bits;
-	else
-		data &= ~bits;
-
-	ksz_write8(dev, addr, data);
+	regmap_update_bits(dev->regmap[0], PORT_CTRL_ADDR(port, offset),
+			   bits, set ? bits : 0);
 }
 
 static void ksz9477_cfg32(struct ksz_device *dev, u32 addr, u32 bits, bool set)
 {
-	u32 data;
-
-	ksz_read32(dev, addr, &data);
-	if (set)
-		data |= bits;
-	else
-		data &= ~bits;
-	ksz_write32(dev, addr, data);
+	regmap_update_bits(dev->regmap[2], addr, bits, set ? bits : 0);
 }
 
 static void ksz9477_port_cfg32(struct ksz_device *dev, int port, int offset,
 			       u32 bits, bool set)
 {
-	u32 addr;
-	u32 data;
-
-	addr = PORT_CTRL_ADDR(port, offset);
-	ksz_read32(dev, addr, &data);
-
-	if (set)
-		data |= bits;
-	else
-		data &= ~bits;
-
-	ksz_write32(dev, addr, data);
+	regmap_update_bits(dev->regmap[2], PORT_CTRL_ADDR(port, offset),
+			   bits, set ? bits : 0);
 }
 
 static int ksz9477_wait_vlan_ctrl_ready(struct ksz_device *dev, u32 waiton,
-- 
2.19.2