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phy: fix phy address bug

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PHYID returns 0xffff and not 0xffffffff when not found and in some
case(at91sam9263) 0x0. Maybe this patch could be useful.

Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Giulio Benetti 2008-11-13 21:53:13 +00:00 committed by David S. Miller
parent 773c9c1f77
commit 3ee82383f0
1 changed files with 2 additions and 2 deletions
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4
drivers/net/phy/phy_device.c
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@ -227,8 +227,8 @@ struct phy_device * get_phy_device(struct mii_bus *bus, int addr)
if (r)
return ERR_PTR(r);
/* If the phy_id is all Fs, there is no device there */
if (0xffffffff == phy_id)
/* If the phy_id is all Fs or all 0s, there is no device there */
if ((0xffff == phy_id) || (0x00 == phy_id))
return NULL;
dev = phy_device_create(bus, addr, phy_id);