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[4/6] r6040: use definitions for MAC_SM register read/writes

Message ID 1325703578-17275-5-git-send-email-florian@openwrt.org
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Florian Fainelli Jan. 4, 2012, 6:59 p.m. UTC 
Bit 1 is the reset bit of the MAC status machine register, define and
use it.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
---
 drivers/net/ethernet/rdc/r6040.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c
index 4665a39..e9054a9 100644
--- a/drivers/net/ethernet/rdc/r6040.c
+++ b/drivers/net/ethernet/rdc/r6040.c
@@ -126,6 +126,7 @@ 
 #define PHY_CC		0x88	/* PHY status change configuration register */
 #define PHY_ST		0x8A	/* PHY status register */
 #define MAC_SM		0xAC	/* MAC status machine */
+#define  MAC_SM_RST	0x0002	/* MAC status machine reset */
 #define MAC_ID		0xBE	/* Identifier register */
 
 #define TX_DCNT		0x80	/* TX descriptor count */
@@ -375,7 +376,7 @@  static void r6040_init_mac_regs(struct net_device *dev)
 			break;
 	}
 	/* Reset internal state machine */
-	iowrite16(2, ioaddr + MAC_SM);
+	iowrite16(MAC_SM_RST, ioaddr + MAC_SM);
 	iowrite16(0, ioaddr + MAC_SM);
 	mdelay(5);
 
@@ -736,7 +737,7 @@  static void r6040_mac_address(struct net_device *dev)
 
 	/* MAC operation register */
 	iowrite16(MAC_RST, ioaddr + MCR1); /* Reset MAC */
-	iowrite16(2, ioaddr + MAC_SM); /* Reset internal state machine */
+	iowrite16(MAC_SM_RST, ioaddr + MAC_SM); /* Reset internal state machine */
 	iowrite16(0, ioaddr + MAC_SM);
 	mdelay(5);