board/prodrive/p3mx/mv_eth.c: fix GCC 4.6 build warnings
Fix:
mv_eth.c: In function 'mv64460_eth_real_open':
mv_eth.c:471:6: warning: variable 'port_status' set but not used [-Wunused-but-set-variable]
mv_eth.c: In function 'mv64460_eth_stop':
mv_eth.c:722:15: warning: variable 'port_num' set but not used [-Wunused-but-set-variable]
mv_eth.c: In function 'mv64460_eth_xmit':
mv_eth.c:796:15: warning: variable 'port_num' set but not used [-Wunused-but-set-variable]
mv_eth.c: In function 'mv64460_eth_receive':
mv_eth.c:877:15: warning: variable 'port_num' set but not used [-Wunused-but-set-variable]
mv_eth.c: In function 'mv64460_eth_get_stats':
mv_eth.c:979:15: warning: variable 'port_num' set but not used [-Wunused-but-set-variable]
mv_eth.c: In function 'mv64460_eth_update_stat':
mv_eth.c:1006:24: warning: variable 'dummy' set but not used [-Wunused-but-set-variable]
mv_eth.c:1005:15: warning: variable 'port_num' set but not used [-Wunused-but-set-variable]
mv_eth.c: In function 'mv64460_eth_print_stat':
mv_eth.c:1087:15: warning: variable 'port_num' set but not used [-Wunused-but-set-variable]
mv_eth.c: In function 'eth_clear_mib_counters':
mv_eth.c:2141:15: warning: variable 'dummy' set but not used [-Wunused-but-set-variable]
Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/board/prodrive/p3mx/mv_eth.c b/board/prodrive/p3mx/mv_eth.c
index fac7633..15b3bfc 100644
--- a/board/prodrive/p3mx/mv_eth.c
+++ b/board/prodrive/p3mx/mv_eth.c
@@ -468,7 +468,6 @@
ETH_PORT_INFO *ethernet_private;
struct mv64460_eth_priv *port_private;
unsigned int port_num;
- u32 port_status;
ushort reg_short;
int speed;
int duplex;
@@ -569,7 +568,7 @@
*/
MV_REG_WRITE (MV64460_ETH_MAXIMUM_TRANSMIT_UNIT (port_num), 0);
- port_status = MV_REG_READ (MV64460_ETH_PORT_STATUS_REG (port_num));
+ MV_REG_READ (MV64460_ETH_PORT_STATUS_REG (port_num));
#if defined(CONFIG_PHY_RESET)
/*
@@ -717,15 +716,6 @@
int mv64460_eth_stop (struct eth_device *dev)
{
- ETH_PORT_INFO *ethernet_private;
- struct mv64460_eth_priv *port_private;
- unsigned int port_num;
-
- ethernet_private = (ETH_PORT_INFO *) dev->priv;
- port_private =
- (struct mv64460_eth_priv *) ethernet_private->port_private;
- port_num = port_private->port_num;
-
/* Disable all gigE address decoder */
MV_REG_WRITE (MV64460_ETH_BASE_ADDR_ENABLE_REG, 0x3f);
DP (printf ("%s Ethernet stop called ... \n", __FUNCTION__));
@@ -793,7 +783,6 @@
{
ETH_PORT_INFO *ethernet_private;
struct mv64460_eth_priv *port_private;
- unsigned int port_num;
PKT_INFO pkt_info;
ETH_FUNC_RET_STATUS status;
struct net_device_stats *stats;
@@ -802,7 +791,6 @@
ethernet_private = (ETH_PORT_INFO *) dev->priv;
port_private =
(struct mv64460_eth_priv *) ethernet_private->port_private;
- port_num = port_private->port_num;
stats = port_private->stats;
@@ -874,13 +862,11 @@
{
ETH_PORT_INFO *ethernet_private;
struct mv64460_eth_priv *port_private;
- unsigned int port_num;
PKT_INFO pkt_info;
struct net_device_stats *stats;
ethernet_private = (ETH_PORT_INFO *) dev->priv;
port_private = (struct mv64460_eth_priv *) ethernet_private->port_private;
- port_num = port_private->port_num;
stats = port_private->stats;
while ((eth_port_receive (ethernet_private, ETH_Q0, &pkt_info) == ETH_OK)) {
@@ -976,12 +962,10 @@
{
ETH_PORT_INFO *ethernet_private;
struct mv64460_eth_priv *port_private;
- unsigned int port_num;
ethernet_private = (ETH_PORT_INFO *) dev->priv;
port_private =
(struct mv64460_eth_priv *) ethernet_private->port_private;
- port_num = port_private->port_num;
mv64460_eth_update_stat (dev);
@@ -1002,13 +986,10 @@
ETH_PORT_INFO *ethernet_private;
struct mv64460_eth_priv *port_private;
struct net_device_stats *stats;
- unsigned int port_num;
- volatile unsigned int dummy;
ethernet_private = (ETH_PORT_INFO *) dev->priv;
port_private =
(struct mv64460_eth_priv *) ethernet_private->port_private;
- port_num = port_private->port_num;
stats = port_private->stats;
/* These are false updates */
@@ -1031,12 +1012,12 @@
* But the unsigned long in PowerPC and MIPS are 32bit. So the next read
* is just a dummy read for proper work of the GigE port
*/
- dummy = eth_read_mib_counter (ethernet_private->port_num,
+ (void)eth_read_mib_counter (ethernet_private->port_num,
ETH_MIB_GOOD_OCTETS_RECEIVED_HIGH);
stats->tx_bytes += (unsigned long)
eth_read_mib_counter (ethernet_private->port_num,
ETH_MIB_GOOD_OCTETS_SENT_LOW);
- dummy = eth_read_mib_counter (ethernet_private->port_num,
+ (void)eth_read_mib_counter (ethernet_private->port_num,
ETH_MIB_GOOD_OCTETS_SENT_HIGH);
stats->rx_errors += (unsigned long)
eth_read_mib_counter (ethernet_private->port_num,
@@ -1084,12 +1065,10 @@
ETH_PORT_INFO *ethernet_private;
struct mv64460_eth_priv *port_private;
struct net_device_stats *stats;
- unsigned int port_num;
ethernet_private = (ETH_PORT_INFO *) dev->priv;
port_private =
(struct mv64460_eth_priv *) ethernet_private->port_private;
- port_num = port_private->port_num;
stats = port_private->stats;
/* These are false updates */
@@ -2138,13 +2117,13 @@
static void eth_clear_mib_counters (ETH_PORT eth_port_num)
{
int i;
- unsigned int dummy;
/* Perform dummy reads from MIB counters */
for (i = ETH_MIB_GOOD_OCTETS_RECEIVED_LOW; i < ETH_MIB_LATE_COLLISION;
- i += 4)
- dummy = MV_REG_READ ((MV64460_ETH_MIB_COUNTERS_BASE
+ i += 4) {
+ (void)MV_REG_READ ((MV64460_ETH_MIB_COUNTERS_BASE
(eth_port_num) + i));
+ }
return;
}