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FS#2473 - Usb not working on fonera 2.0n (ramips/rt305x) #7916

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openwrt-bot opened this issue Aug 29, 2019 · 15 comments
Closed

FS#2473 - Usb not working on fonera 2.0n (ramips/rt305x) #7916

openwrt-bot opened this issue Aug 29, 2019 · 15 comments
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@openwrt-bot
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ilvalle:

On openwrt 18.06.4 usb is no longer working. I've tried with 18.06.02 built by my own with the same result. With 18.06.1 everything was working correctly.

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ilvalle:

Tested against trunk with the same result.

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ilvalle:

The usb is powered, I charged a simple phone. Any hint ?

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adrianschmutzler:

Please narrow down which commit between 18.06.1 and 18.06.2 is causing the problem.

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bsvif:

I have the same issue usb workin only in 18.06.1

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adrianschmutzler:

So, kernel broke it? Then it should be fixed in kernel. If it is already fixed there, it will come automatically with the corresponding kernel bump.

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sdv:

It's working in upstream and with other hardware platforms.

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adrianschmutzler:

Okay, then we still need to find the commit breaking it between 18.06.1 and 18.06.2 ...

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adrianschmutzler:

From the two referenced kernel commits, the second one is rather old and has been in 4.14 from the beginning. The first one has been backported to 4.14 in 4.14.67, which has been added to OpenWrt here:
def9d21

That would actually be between 18.06.1 and 18.06.2.

Since 19.07 uses the same kernel, it would be affected, too.

So, next job would be to build with the referenced commit and it's parent and check whether it really is the source of the problem.

Despite, it would be helpful to test with master, maybe stuff has been fixed with later kernels already ...

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odmdas:

Please, try this patch [0] for your device. Did this help?

[0] https://patchwork.ozlabs.org/project/openwrt/patch/20200410223709.1974-1-dobrovolskiy.alexey@gmail.com/

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sdv:

Yes, I can confirm that:

  • USB still not working on "stock" fresh 19.07.3;
  • USB working with patch above (revet 0032-USB-dwc2-add-device_reset.patch) compiled from code snapshot of 19.07.3.

Board: Asus RT-N13U.

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nik2208:

Sorry guys, I'm missing something. This bug is labeled as solved but the latest release is still affected.
When should it be solved with a new release?

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sdv:

It's fixed in trunk after this commit:
https://git.openwrt.org/ab841b4393a4077a5819da1da040ab9a89e3b69d

And this fix should be included in 19.07.4.

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adrianschmutzler:

I already backported this to 19.07 and 18.06 on Aug 02, but thanks for having me look again:
06c6a3d
526c1dd

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nik2208:

I can confirm it is fixed in 19.07.4

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