linux-kernel - Re: [PATCH 0/3] Fix broken bananapi m2 devicetree/regulators

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Message-ID: <45fb86c9-2218-d00d-1952-6b79f9101049@orpaltech.com>
Date:   Sun, 11 Feb 2018 10:55:01 +0300
From:   Sergey Suloev <ssuloev@...altech.com>
To:     Philipp Rossak <embed3d@...il.com>, robh+dt@...nel.org,
        mark.rutland@....com, linux@...linux.org.uk,
        maxime.ripard@...e-electrons.com, wens@...e.org
Cc:     devicetree@...r.kernel.org, linux-sunxi@...glegroups.com,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 0/3] Fix broken bananapi m2 devicetree/regulators

On 02/11/2018 01:07 AM, Philipp Rossak wrote:
>
>
> On 10.02.2018 22:08, Sergey Suloev wrote:
>> On 02/11/2018 12:01 AM, Philipp Rossak wrote:
>>> Hey Sergey,
>>>
>>> Thanks for mentioning, but I think the problem has nothing to do 
>>> with those patches. I tested them with the v4.15.0 Kernel since this 
>>> is the last stable release and we are right now in the merging window.
>>>
>>> I tested the latest mainline, without those patches and the kernel 
>>> is not booting (I can't see any uart output).
>>>
>>> Thanks,
>>> Philipp
>>>
>>> On 10.02.2018 14:56, Sergey Suloev wrote:
>>>> On 02/09/2018 08:52 PM, Philipp Rossak wrote:
>>>>> This patchseries fixes the bananapi m1 devicetree, to be able to 
>>>>> boot again.
>>>>> The first two patches update/improve the devicetree and the last 
>>>>> patch adds
>>>>> all missing regulators.
>>>>>
>>>>> Regards,
>>>>> Philipp
>>>>>
>>>>> Philipp Rossak (3):
>>>>>    arm: dts: sun6i: a31s: bpi-m2: update mmc supply nodes
>>>>>    arm: dts: sun6i: a31s: bpi-m2: improve pmic properties
>>>>>    arm: dts: sun6i: a31s: fix: bpi-m2: add missing regulators
>>>>>
>>>>>   arch/arm/boot/dts/sun6i-a31s-sinovoip-bpi-m2.dts | 70 
>>>>> +++++++++++++++++++++++-
>>>>>   1 file changed, 67 insertions(+), 3 deletions(-)
>>>>>
>>>> patches are not working
>>>>
>>>> Thanks
>>>>
>> same problem, but after applying the patches my device is till hanging.
>>
>>
> Can you please share a bootlog? Here is mine [1]. As you can see I'm 
> able to boot.
> I build it with this branch [2]. For testing you should replace the 
> dtb and the uImage/zImage
>
> Philipp
>
>
> [1]: https://pastebin.com/mVjv3LDf
> [2]: 
> https://github.com/embed-3d/linux/tree/testing/bpi-m2-regulator-test-2

My dmesg is very similar to yours unless it hangs on the last line [1]. 
For this test I used kernel from tag v4.15 with no additional patching.

[1] https://pastebin.com/3a6bk5Dk