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Subject[PATCH 21/62] gianfar: Use static const
Date
Using static const generally increases object text and decreases data size.
It also generally decreases overall object size.

Changed gfar_set_mac_for_addr to take const *

Uncompiled.

Signed-off-by: Joe Perches <joe@perches.com>
---
drivers/net/gianfar.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index d1bec62..45c4b7b 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");
@@ -3094,10 +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 */
@@ -3132,7 +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;
--
1.7.3.2.245.g03276.dirty


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