From: robin.murphy@arm.com (Robin Murphy)
To: linux-arm-kernel@lists.infradead.org
Subject: 4.5.0 on sun7i-a20-olinuxino-lime2: libphy: PHY stmmac-0:ffffffff not found (regression from rc7)
Date: Wed, 16 Mar 2016 12:09:24 +0000 [thread overview]
Message-ID: <56E94CF4.2060607@arm.com> (raw)
In-Reply-To: <56E945FF.6080005@arm.com>
On 16/03/16 11:39, Marc Zyngier wrote:
> On 16/03/16 11:19, Bert Lindner wrote:
>> Hi,
>>
>> Hopefully this is the correct place and way to report this.
>>
>> For the board sun7i-a20-olinuxino-lime2, there seems to be a problem
>> with the eth0 PHY in mainline kernel 4.5.0 that developed since
>> 4.5.0-rc7. Ethernet does not work, although eth0 is reported:
>>
>> root at lime2-079f:~# ip a l eth0
>> 2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group
>> default qlen 1000
>> link/ether 02:c9:05:02:07:9f brd ff:ff:ff:ff:ff:ff
>>
>> Difference reported in dmesg:
>>
>> 4.5.0-rc7:
>> [ 9.379279] NET: Registered protocol family 10
>> [ 10.217148] RX IPC Checksum Offload disabled
>> [ 10.217195] No MAC Management Counters available
>> [ 10.217627] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
>> [ 15.206250] sun7i-dwmac 1c50000.ethernet eth0: Link is Up -
>> 1Gbps/Full - flow control off
>> [ 15.206360] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
>>
>> 4.5.0:
>> [ 9.767125] NET: Registered protocol family 10
>> [ 10.357405] libphy: PHY stmmac-0:ffffffff not found
>> [ 10.362382] eth0: Could not attach to PHY
>> [ 10.366557] stmmac_open: Cannot attach to PHY (error: -19)
>>
>> .config is identical for both, also after make oldconfig, apart from
>> comment with version number. DTB file is also identical between the two
>> versions.
>>
>> Kernels are compiled on the board itself. /proc/version string:
>> Linux version 4.5.0-rc7 (root at lime2-079f) (gcc version 4.9.1
>> (Ubuntu/Linaro 4.9.1-16ubuntu6) ) #1 SMP Mon Mar 7 11:57:25 UTC 2016
>> Linux version 4.5.0 (root at lime2-079f) (gcc version 4.9.1 (Ubuntu/Linaro
>> 4.9.1-16ubuntu6) ) #1 SMP Tue Mar 15 11:39:01 UTC 2016
>>
>> Please let me know if more info is needed, if I should post complete
>> .config, test compile with a particular config or patch, etc. Part of
>> .config below.
>
> Can you please try reverting 88f8b1b ("stmmac: Fix 'eth0: No PHY found'
> regression") and report whether or not this changes anything? This seems
> to be the only stmac patch between -rc7 and release...
Sounds like the same thing as the giant ongoing discussion thread here:
http://thread.gmane.org/gmane.linux.drivers.devicetree/159007/focus=402830
Robin.
>
> Thanks,
>
> M.
>
next prev parent reply other threads:[~2016-03-16 12:09 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-16 11:19 4.5.0 on sun7i-a20-olinuxino-lime2: libphy: PHY stmmac-0:ffffffff not found (regression from rc7) Bert Lindner
2016-03-16 11:39 ` Marc Zyngier
2016-03-16 12:09 ` Robin Murphy [this message]
2016-03-16 13:06 ` Marc Zyngier
[not found] ` <56E94CF4.2060607-5wv7dgnIgG8@public.gmane.org>
2016-03-16 13:10 ` Andreas Färber
2016-03-16 13:10 ` Andreas Färber
[not found] ` <56E95B57.1090100-l3A5Bk7waGM@public.gmane.org>
2016-03-16 15:10 ` Bert Lindner
2016-03-16 15:10 ` Bert Lindner
[not found] ` <56E9776F.3070102-phGP8mJ4Mqk@public.gmane.org>
2016-03-16 17:42 ` Marc Zyngier
2016-03-16 17:42 ` Marc Zyngier
[not found] ` <56E99B0C.2070609-5wv7dgnIgG8@public.gmane.org>
2016-03-16 23:56 ` Bert Lindner
2016-03-16 23:56 ` Bert Lindner
[not found] ` <56E9F2B8.1030605-phGP8mJ4Mqk@public.gmane.org>
2016-03-17 7:52 ` Marc Zyngier
2016-03-17 7:52 ` Marc Zyngier
2016-05-20 5:44 ` Andre Heider
2016-05-20 5:44 ` Andre Heider
[not found] ` <CAHsu+b-t_r93XKLJTUcin6xjhOrFVn3_60vwHkbRt3iHK28CbA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-20 7:56 ` Marc Zyngier
2016-05-20 7:56 ` Marc Zyngier
[not found] ` <573EC33D.2010209-5wv7dgnIgG8@public.gmane.org>
2016-05-20 8:14 ` Giuseppe CAVALLARO
2016-05-20 8:14 ` Giuseppe CAVALLARO
[not found] ` <573EC77A.2000800-qxv4g6HH51o@public.gmane.org>
2016-05-20 10:30 ` Andre Heider
2016-05-20 10:30 ` Andre Heider
2016-05-20 10:36 ` Marc Zyngier
2016-05-20 10:36 ` Marc Zyngier
[not found] ` <573EE8B4.1050701-5wv7dgnIgG8@public.gmane.org>
2016-05-20 10:43 ` Andre Heider
2016-05-20 10:43 ` Andre Heider
2016-05-21 15:47 ` Bert Lindner
2016-05-21 15:47 ` Bert Lindner
[not found] ` <574082F9.7010702-phGP8mJ4Mqk@public.gmane.org>
2016-05-22 9:30 ` Marc Zyngier
2016-05-22 9:30 ` Marc Zyngier
[not found] ` <20160522103056.2fa86293-5wv7dgnIgG8@public.gmane.org>
2016-05-23 13:28 ` Giuseppe CAVALLARO
2016-05-23 13:28 ` Giuseppe CAVALLARO
2016-05-23 13:28 ` Giuseppe CAVALLARO
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=56E94CF4.2060607@arm.com \
--to=robin.murphy@arm.com \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.