commit 3ee82383f0098a2e13acc8cf1be8e47512f41e5a · tjh.dev/kernel

tjh.dev / kernel

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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>

authored by Giulio Benetti and committed by David S. Miller 17 years ago 3ee82383 773c9c1f

+2 -2

1 changed file

expand all

unified split

drivers

net

phy

phy_device.c

+2 -2

drivers/net/phy/phy_device.c

··· 227 if (r) 228 return ERR_PTR(r); 229 230 - /* If the phy_id is all Fs, there is no device there */ 231 - if (0xffffffff == phy_id) 232 return NULL; 233 234 dev = phy_device_create(bus, addr, phy_id);

··· 227 if (r) 228 return ERR_PTR(r); 229 230 + /* If the phy_id is all Fs or all 0s, there is no device there */ 231 + if ((0xffff == phy_id) || (0x00 == phy_id)) 232 return NULL; 233 234 dev = phy_device_create(bus, addr, phy_id);