Re: [PATCH v3 0/8] arm64: rockchip: Initial GeekBox enablement

From: Gabriel Fernandez <gabriel.fernandez-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Giuseppe CAVALLARO <peppe.cavallaro-qxv4g6HH51o@public.gmane.org>
Cc: "Dinh Nguyen"
	<dinh.linux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	"Andreas Färber" <afaerber-l3A5Bk7waGM@public.gmane.org>,
	"Heiko Stübner" <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>,
	"open list:ARM/Rockchip SoC..."
	<linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	LAKML
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	"Alexandre TORGUE"
	<alexandre.torgue-qxv4g6HH51o@public.gmane.org>,
	"Fabrice GASNIER" <fabrice.gasnier-qxv4g6HH51o@public.gmane.org>
Subject: Re: [PATCH v3 0/8] arm64: rockchip: Initial GeekBox enablement
Date: Tue, 8 Mar 2016 11:33:21 +0100	[thread overview]
Message-ID: <CAG374jD=O+ETuGRz3DPR9FTC3TkoKff+Q0psOjBksLz8Lrc=nA@mail.gmail.com> (raw)
In-Reply-To: <56DEA840.1050305-qxv4g6HH51o@public.gmane.org>

On 8 March 2016 at 11:24, Giuseppe CAVALLARO <peppe.cavallaro-qxv4g6HH51o@public.gmane.org> wrote:
> On 3/8/2016 11:03 AM, Gabriel Fernandez wrote:
>>
>> Hi Andreas and Dinh  Thanks for your feedback i will check it.
>
>
> hmm, I was looking at the code and indeed I have some doubt on
> mdio_bus_data management that the patch changes explaining
> why the Andreas's box fails and phy_add is not detected.
>
> Keep the sync
>
> peppe
>

Okay Thanks Peppe

Gabriel

>
>
>> Best regards
>>
>> Gabriel
>>
>> On 8 March 2016 at 00:22, Dinh Nguyen <dinh.linux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>>>
>>> On Mon, Mar 7, 2016 at 11:15 AM, Andreas Färber <afaerber@suse.de> wrote:
>>>>
>>>> Am 07.03.2016 um 16:52 schrieb Giuseppe CAVALLARO:
>>>>>
>>>>> On 3/7/2016 4:46 PM, Andreas Färber wrote:
>>>>>>
>>>>>> Am 07.03.2016 um 16:09 schrieb Giuseppe CAVALLARO:
>>>>>>>
>>>>>>> On 3/7/2016 3:27 PM, Andreas Färber wrote:
>>>>>>>>
>>>>>>>> Indeed, reverting Gabriel's commit fixes the observed error messages
>>>>>>
>>>>>> [...]
>>>>>>>>
>>>>>>>> However, I am unable to ping any hosts on the network now.
>>>>>>>
>>>>>>>
>>>>>>> hmm, this could be another problem. I wonder if you can
>>>>>>> check which recent patch is introducing the problem on ARM64.
>>>>>>> For example if this depends on Oct_2015 update.
>>>>>>
>>>>>>
>>>>>> I've had success reverting drivers/net/ethernet/stmicro/ up to and
>>>>>> including "stmmac: first frame prep at the end of xmit routine", i.e.
>>>>>> top 7 commits.
>>>>>
>>>>>
>>>>> Andreas, I will check it and let you know asap.
>>>>
>>>>
>>>> I verified that it's just these two commits that I need to revert:
>>>>
>>>> "stmmac: Fix 'eth0: No PHY found' regression"
>>>> "stmmac: first frame prep at the end of xmit routine"
>>>>
>>>> Those in between don't cause conflicts and seem to work okay.
>>>>
>>>
>>> I'm seeing the same issue on the SoCFPGA platform:
>>>
>>> libphy: PHY stmmac-0:ffffffff not found
>>> eth0: Could not attach to PHY
>>> stmmac_open: Cannot attach to PHY (error: -19)
>>>
>>> If I just revert:
>>>
>>>   "stmmac: Fix 'eth0: No PHY found' regression"
>>>
>>> then the issue goes away.
>>>
>>> Thanks,
>>> Dinh
>>
>>
>>
>
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