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path: root/drivers/net/gianfar.c
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Diffstat (limited to 'drivers/net/gianfar.c')
-rw-r--r--drivers/net/gianfar.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 49e4ce1246a7..45c4b7bfcf39 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -143,7 +143,8 @@ void gfar_halt(struct net_device *dev);
static void gfar_halt_nodisable(struct net_device *dev);
void gfar_start(struct net_device *dev);
static void gfar_clear_exact_match(struct net_device *dev);
-static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr);
+static void gfar_set_mac_for_addr(struct net_device *dev, int num,
+ const u8 *addr);
static int gfar_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
MODULE_AUTHOR("Freescale Semiconductor, Inc");
@@ -577,11 +578,10 @@ static int gfar_parse_group(struct device_node *np,
irq_of_parse_and_map(np, 1);
priv->gfargrp[priv->num_grps].interruptError =
irq_of_parse_and_map(np,2);
- if (priv->gfargrp[priv->num_grps].interruptTransmit < 0 ||
- priv->gfargrp[priv->num_grps].interruptReceive < 0 ||
- priv->gfargrp[priv->num_grps].interruptError < 0) {
+ if (priv->gfargrp[priv->num_grps].interruptTransmit == NO_IRQ ||
+ priv->gfargrp[priv->num_grps].interruptReceive == NO_IRQ ||
+ priv->gfargrp[priv->num_grps].interruptError == NO_IRQ)
return -EINVAL;
- }
}
priv->gfargrp[priv->num_grps].grp_id = priv->num_grps;
@@ -3095,10 +3095,10 @@ static void gfar_set_multi(struct net_device *dev)
static void gfar_clear_exact_match(struct net_device *dev)
{
int idx;
- u8 zero_arr[MAC_ADDR_LEN] = {0,0,0,0,0,0};
+ static const u8 zero_arr[MAC_ADDR_LEN] = {0, 0, 0, 0, 0, 0};
for(idx = 1;idx < GFAR_EM_NUM + 1;idx++)
- gfar_set_mac_for_addr(dev, idx, (u8 *)zero_arr);
+ gfar_set_mac_for_addr(dev, idx, zero_arr);
}
/* Set the appropriate hash bit for the given addr */
@@ -3133,7 +3133,8 @@ static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr)
/* There are multiple MAC Address register pairs on some controllers
* This function sets the numth pair to a given address
*/
-static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr)
+static void gfar_set_mac_for_addr(struct net_device *dev, int num,
+ const u8 *addr)
{
struct gfar_private *priv = netdev_priv(dev);
struct gfar __iomem *regs = priv->gfargrp[0].regs;