[OpenWrt-Devel] USB Hotplug

[Baptiste Clenet]

2016-03-16 14:46 GMT+01:00 John Crispin <john at phrozen.org>:
>
>
> On 16/03/2016 14:25, Baptiste Clenet wrote:
>> 2016-03-07 15:19 GMT+01:00 John Crispin <blogic at openwrt.org>:
>>>
>>>
>>> On 07/03/2016 15:00, Baptiste Clenet wrote:
>>>> 2016-03-07 9:51 GMT+01:00 John Crispin <john at phrozen.org>:
>>>>>
>>>>>
>>>>> On 07/03/2016 09:47, Baptiste Clenet wrote:
>>>>>> 2016-03-04 18:24 GMT+01:00 John Crispin <john at phrozen.org>:
>>>>>>>
>>>>>>>
>>>>>>> On 04/03/2016 17:50, Baptiste Clenet wrote:
>>>>>>>> We don't use the current tree but a version from November.
>>>>>>>> You're talking about this changeset:
>>>>>>>> https://dev.openwrt.org/changeset/48749
>>>>>>>>
>>>>>>>> I will apply it and let you know if it is better.
>>>>>>>>
>>>>>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> yep, try adding that one please and see if that fixes the issue
>>>>>>> _______________________________________________
>>>>>>> openwrt-devel mailing list
>>>>>>> openwrt-devel at lists.openwrt.org
>>>>>>> https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
>>>>>>
>>>>>> John, I chose Default profile for mt7688 board and it has built an
>>>>>> image named "openwrt-ramips-mt7688-LinkIt7688-squashfs-sysupgrade.bin",
>>>>>> so it used the LINKIT7688 dts instead of MT7628 dts.
>>>>>>
>>>>>> Concerning USB, I see the same behaviour, if the pendrive is plugged
>>>>>> between the boot, it works and I can plug it in and out as much as I
>>>>>> can, however, it the board boots and then I insert the pendrive, it is
>>>>>> not detected (the pendrive's led switches on for 1/2sec and then
>>>>>> switches off.
>>>>>
>>>>> seen this before while building pcbs .. so my money is on the following
>>>>> theory: your power supply is failing to provide enough current quickly
>>>>> enough for the USB to come up causing OC protection or similar to shut
>>>>> it down. check your supply voltage of the usb port with a scope and you
>>>>> will probably see it breakdown after that 1/2 s
>>>>
>>>> Yes it was a hardware problem effectively, I added a protection chip
>>>> which did not work properly and caused the pendrive not to be
>>>> detected. I removed it and it works, so I will dig into the hardware
>>>> problem.
>>>> Thanks
>>>
>>> we are a software project so awesome we can even remote debug hardware
>>> problems :-)
>>>
>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> Second question; I see you added the mt76 wifi driver which is great!
>>>>>> Thank you for your work. I see the module added on the board, how may
>>>>>> I up the wifi? (I didn't find any readme on github [1])
>>>>>
>>>>> its a normal mac80211 based wifi so use the normal method. you will need
>>>>> to add a eeprom offset to the dts file. either figure it out yourself
>>>>> (look at how mt7620 based boards do it) or wait a few days till i had
>>>>> time to update the lks7688 profile.
>>
>> John, have you had time to update mt7688 board for wifi setup?
>>
>
> let me check the commit log for you ...
>
> ... nope i cant find a commit that adds the support ;) i hope to have
> time start of next week.
>
Ok, could you let me know when you're done with that please?
Thanks
>>>>>
>>>> I let you do the edits and I will try as soon as you've done it.
>>>> Thanks for your help
>>>
>>> ok
>>
>>
>>



-- 
Baptiste
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