net: systemport: rename rx_csum_en to rx_chk_en

This boolean tells us whether we are using the RXCHK hardware block,
so use a variable name that reflects that. RXCHK might be used in the
future to implement Wake-on-LAN using ARP or unicast packets.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bcmsysport.c

@@ -124,17 +124,17 @@ static int bcm_sysport_set_rx_csum(struct net_device *dev,
 	struct bcm_sysport_priv *priv = netdev_priv(dev);
 	u32 reg;
 
-	priv->rx_csum_en = !!(wanted & NETIF_F_RXCSUM);
+	priv->rx_chk_en = !!(wanted & NETIF_F_RXCSUM);
 	reg = rxchk_readl(priv, RXCHK_CONTROL);
-	if (priv->rx_csum_en)
+	if (priv->rx_chk_en)
 		reg |= RXCHK_EN;
 	else
 		reg &= ~RXCHK_EN;
 
 	/* If UniMAC forwards CRC, we need to skip over it to get
 	 * a valid CHK bit to be set in the per-packet status word
 	 */
-	if (priv->rx_csum_en && priv->crc_fwd)
+	if (priv->rx_chk_en && priv->crc_fwd)
 		reg |= RXCHK_SKIP_FCS;
 	else
 		reg &= ~RXCHK_SKIP_FCS;
@@ -1674,7 +1674,7 @@ static int bcm_sysport_suspend(struct device *d)
 	}
 
 	/* Disable RXCHK if enabled */
-	if (priv->rx_csum_en) {
+	if (priv->rx_chk_en) {
 		reg = rxchk_readl(priv, RXCHK_CONTROL);
 		reg &= ~RXCHK_EN;
 		rxchk_writel(priv, reg, RXCHK_CONTROL);
@@ -1750,7 +1750,7 @@ static int bcm_sysport_resume(struct device *d)
 	}
 
 	/* Enable rxhck */
-	if (priv->rx_csum_en) {
+	if (priv->rx_chk_en) {
 		reg = rxchk_readl(priv, RXCHK_CONTROL);
 		reg |= RXCHK_EN;
 		rxchk_writel(priv, reg, RXCHK_CONTROL);

drivers/net/ethernet/broadcom/bcmsysport.h

@@ -664,7 +664,7 @@ struct bcm_sysport_priv {
 	int			old_duplex;
 
 	/* Misc fields */
-	unsigned int		rx_csum_en:1;
+	unsigned int		rx_chk_en:1;
 	unsigned int		tsb_en:1;
 	unsigned int		crc_fwd:1;
 	u16			rev;