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authorGiulio Benetti <giulio.benetti@micronovasrl.com>2008-11-13 21:53:13 +0000
committerDavid S. Miller <davem@davemloft.net>2008-11-16 01:49:41 -0800
commit3ee82383f0098a2e13acc8cf1be8e47512f41e5a (patch)
treeed87a022c71e68543a73a3e6840a63e8cf015513
parent773c9c1f77174429ad2feb1735a3beb33ff3b6c0 (diff)
phy: fix phy address bug
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>
-rw-r--r--drivers/net/phy/phy_device.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index e11b03b2b25..8fb1faca883 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -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);