On 04/11/15 18:56, David Miller wrote:
>> Fixes: fd867d51f889 ("net/core: generic support for disabling netdev
>> features down stack")
> ...
>> Reported-by: Nikolay Aleksandrov <niko...@cumulusnetworks.com>
>> Signed-off-by: Jarod Wilson <ja...@redhat.com>
>> ---
>> v2: Based on suggestions from Alex, and with not changing err to ret, this
>> patch actually becomes quite minimal and doesn't ugly up the code much.
>
> Applied, thanks.
This causes some warnings to be displayed for DSA stacked devices:
[ 1.272297] brcm-sf2 f0b00000.ethernet_switch: Starfighter 2 top:
4.00, core: 2.00 base: 0xf0c80000, IRQs: 68, 69
[ 1.283181] libphy: dsa slave smi: probed
[ 1.344088] f0b403c0.mdio:05: Broadcom BCM7445 PHY revision: 0xd0,
patch: 3
[ 1.658917] brcm-sf2 f0b00000.ethernet_switch gphy (uninitialized):
attached PHY at address 5 [Broadcom BCM7445]
[ 1.669414] brcm-sf2 f0b00000.ethernet_switch gphy: set_features()
failed (-1); wanted 0x0000000000004020, left 0x0000000000004820
[ 1.734202] brcm-sf2 f0b00000.ethernet_switch rgmii_1
(uninitialized): attached PHY at address 0 [Generic PHY]
[ 1.744486] brcm-sf2 f0b00000.ethernet_switch rgmii_1: set_features()
failed (-1); wanted 0x0000000000004020, left 0x0000000000004820
[ 1.809091] brcm-sf2 f0b00000.ethernet_switch rgmii_2
(uninitialized): attached PHY at address 1 [Generic PHY]
[ 1.819364] brcm-sf2 f0b00000.ethernet_switch rgmii_2: set_features()
failed (-1); wanted 0x0000000000004020, left 0x0000000000004820
[ 1.884090] brcm-sf2 f0b00000.ethernet_switch moca (uninitialized):
attached PHY at address 2 [Generic PHY]
[ 1.894109] brcm-sf2 f0b00000.ethernet_switch moca: set_features()
failed (-1); wanted 0x0000000000004020, left 0x0000000000004820
DSA slave network devices are not associated with their master network
device using the typical lower/upper netdev helpers.
I do not have a good fix to come up with yet, but if you see something
obvious with net/dsa/slave.c, feel free to send patches for testing, I
can boot net-next on this platform.
--
Florian
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