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at91_emac: fix compile warning

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This patch removes the warning

---8<---
at91_emac.c: In function 'at91emac_write_hwaddr':
at91_emac.c:487:2: warning: dereferencing type-punned pointer will break strict-aliasing rules
--->8---

Signed-off-by: Andreas Bießmann <andreas.devel@gmail.com>
This commit is contained in:
andreas.devel@googlemail.com 2011-06-09 00:22:54 +00:00 committed by Albert ARIBAUD
parent fd2f565809
commit 2321bfe425
1 changed files with 7 additions and 5 deletions
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12
drivers/net/at91_emac.c
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@ -481,11 +481,13 @@ static int at91emac_write_hwaddr(struct eth_device *netdev)
dev = (emac_device *) netdev->priv;
writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
DEBUG_AT91EMAC("init MAC-ADDR %x%x \n",
cpu_to_le16(*((u16 *)(netdev->enetaddr + 4))),
cpu_to_le32(*((u32 *)netdev->enetaddr)));
writel(cpu_to_le32(*((u32 *)netdev->enetaddr)), &emac->sa2l);
writel(cpu_to_le16(*((u16 *)(netdev->enetaddr + 4))), &emac->sa2h);
DEBUG_AT91EMAC("init MAC-ADDR %02x:%02x:%02x:%02x:%02x:%02x\n",
netdev->enetaddr[5], netdev->enetaddr[4], netdev->enetaddr[3],
netdev->enetaddr[2], netdev->enetaddr[1], netdev->enetaddr[0]);
writel( (netdev->enetaddr[0] | netdev->enetaddr[1] << 8 |
netdev->enetaddr[2] << 16 | netdev->enetaddr[3] << 24),
&emac->sa2l);
writel((netdev->enetaddr[4] | netdev->enetaddr[5] << 8), &emac->sa2h);
DEBUG_AT91EMAC("init MAC-ADDR %x%x \n",
readl(&emac->sa2h), readl(&emac->sa2l));
return 0;