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path: root/drivers/net/ethernet
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Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/freescale/gianfar.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 8cb5da6..877a7d4 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -3464,22 +3464,21 @@ static void gfar_set_mac_for_addr(struct net_device *dev, int num,
{
struct gfar_private *priv = netdev_priv(dev);
struct gfar __iomem *regs = priv->gfargrp[0].regs;
- int idx;
- char tmpbuf[ETH_ALEN];
u32 tempval;
u32 __iomem *macptr = &regs->macstnaddr1;
macptr += num*2;
- /* Now copy it into the mac registers backwards, cuz
- * little endian is silly
+ /* For a station address of 0x12345678ABCD in transmission
+ * order (BE), MACnADDR1 is set to 0xCDAB7856 and
+ * MACnADDR2 is set to 0x34120000.
*/
- for (idx = 0; idx < ETH_ALEN; idx++)
- tmpbuf[ETH_ALEN - 1 - idx] = addr[idx];
+ tempval = (addr[5] << 24) | (addr[4] << 16) |
+ (addr[3] << 8) | addr[2];
- gfar_write(macptr, *((u32 *) (tmpbuf)));
+ gfar_write(macptr, tempval);
- tempval = *((u32 *) (tmpbuf + 4));
+ tempval = (addr[1] << 24) | (addr[0] << 16);
gfar_write(macptr+1, tempval);
}