Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
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 3ee82383 773c9c1f
+2
-2
drivers/net/phy/phy_device.c
+2
-2
drivers/net/phy/phy_device.c
···
227
227
if (r)
228
228
return ERR_PTR(r);
229
229
230
-
/* If the phy_id is all Fs, there is no device there */
231
-
if (0xffffffff == phy_id)
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
232
return NULL;
233
233
234
234
dev = phy_device_create(bus, addr, phy_id);