[Linux-stm32] [PATCH V4 00/22] ARM: dts: stm32: Repair AV96 board

[Marek Vasut]

On 4/10/20 1:28 PM, Manivannan Sadhasivam wrote:
> On Fri, Apr 10, 2020 at 11:55:57AM +0200, Marek Vasut wrote:
>> On 4/10/20 11:00 AM, Manivannan Sadhasivam wrote:
>>> Hi,
>>
>> Hi,
>>
>>> On Tue, Apr 07, 2020 at 05:32:31PM +0200, Marek Vasut wrote:
>>>> On 4/6/20 9:27 AM, Manivannan Sadhasivam wrote:
>>>>> Hi,
>>>>
>>>> Hi,
>>>>
>>>>> On Wed, Apr 01, 2020 at 03:22:15PM +0200, Marek Vasut wrote:
>>>>>> The AV96 board device tree is completely broken and does not match the
>>>>>> hardware. This series fixes it up.
>>>>>>
>>>>>> Marek Vasut (22):
>>>>>>   ARM: dts: stm32: Add alternate pinmux for ethernet RGMII
>>>>>>   ARM: dts: stm32: Repair ethernet operation on AV96
>>>>>>   ARM: dts: stm32: Add missing ethernet PHY reset on AV96
>>>>>>   ARM: dts: stm32: Add missing ethernet PHY skews on AV96
>>>>>
>>>>> Ethernet works fine with cold boot but after warm reboot it fails with below
>>>>> message,
>>>>>
>>>>> [   18.192842] stm32-dwmac 5800a000.ethernet eth0: no phy at addr -1
>>>>> [   18.197539] stm32-dwmac 5800a000.ethernet eth0: stmmac_open: Cannot attach to PHY (err)
>>>>
>>>> Try this patch:
>>>>
>>>
>>> [   17.270826] stm32-dwmac 5800a000.ethernet eth0: no phy at addr -1
>>> [   17.275519] stm32-dwmac 5800a000.ethernet eth0: stmmac_open: Cannot attach to PHY (err)
>>>
>>> It doesn't work. Sorry, I don't have much time to dig into this issue so
>>> I'll leave it up to you :)
>>
>> I see, it does work on the new board, so I don't really know what to do
>> here. Maybe we should just not support the old prototype board ?
> 
> Sorry, it turned out to be a DT issue. My script was not updated when I switched
> to upstream bootloader. This patch works perfectly on both old and new boards.
> 
> Feel free to add,
> 
> Tested-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>

OK, thanks. So that leaves only the DWC2 ?

I'll wait for ST to review this series before sending V5.