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Subject[PATCH v2 2/2] adi: adapt to eth_hw_addr_random() and changes in arch/blackfin
Date
Adapt adi ethernet driver to changes in bfin_get_ether_addr()
from arch/blackfin. bfin_get_ether_addr() returns now a state.
Set a random mac address via new eth_hw_addr_random() in case
the return value is not 0.

Reset the state to NET_ADDR_PERM as soon as the MAC get
changed via .ndo_set_mac_address.

v2: change the logic to reduce unneeded checks

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
---
drivers/net/ethernet/adi/bfin_mac.c | 15 +++++++++------
drivers/net/ethernet/adi/bfin_mac.h | 2 +-
2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/adi/bfin_mac.c b/drivers/net/ethernet/adi/bfin_mac.c
index d812a10..905f0e1 100644
--- a/drivers/net/ethernet/adi/bfin_mac.c
+++ b/drivers/net/ethernet/adi/bfin_mac.c
@@ -621,6 +621,7 @@ static int bfin_mac_set_mac_address(struct net_device *dev, void *p)
if (netif_running(dev))
return -EBUSY;
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+ dev->addr_assign_type &= ~NET_ADDR_RANDOM;
setup_mac_addr(dev->dev_addr);
return 0;
}
@@ -1496,12 +1497,14 @@ static int __devinit bfin_mac_probe(struct platform_device *pdev)
* Grab the MAC from the board somehow
* this is done in the arch/blackfin/mach-bfxxx/boards/eth_mac.c
*/
- if (!is_valid_ether_addr(ndev->dev_addr))
- bfin_get_ether_addr(ndev->dev_addr);
-
- /* If still not valid, get a random one */
- if (!is_valid_ether_addr(ndev->dev_addr))
- random_ether_addr(ndev->dev_addr);
+ if (!is_valid_ether_addr(ndev->dev_addr)) {
+ if (bfin_get_ether_addr(ndev->dev_addr) ||
+ !is_valid_ether_addr(ndev->dev_addr)) {
+ /* Still not valid, get a random one */
+ netdev_warn(ndev, "Setting Ethernet MAC to a random one\n");
+ eth_hw_addr_random(ndev);
+ }
+ }

setup_mac_addr(ndev->dev_addr);

diff --git a/drivers/net/ethernet/adi/bfin_mac.h b/drivers/net/ethernet/adi/bfin_mac.h
index f8559ac..960905c 100644
--- a/drivers/net/ethernet/adi/bfin_mac.h
+++ b/drivers/net/ethernet/adi/bfin_mac.h
@@ -101,6 +101,6 @@ struct bfin_mac_local {
#endif
};

-extern void bfin_get_ether_addr(char *addr);
+extern int bfin_get_ether_addr(char *addr);

#endif
--
1.7.8.3


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