Op 19-04-2021 om 10:43 schreef Andy Shevchenko:

On Mon, Apr 19, 2021 at 2:03 AM Thinh Nguyen [off-list ref] wrote:

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Ferry Toth wrote:

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Op 17-04-2021 om 16:22 schreef Ferry Toth:

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Op 17-04-2021 om 04:27 schreef Thinh Nguyen:

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Ferry Toth wrote:

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Op 16-04-2021 om 00:23 schreef Thinh Nguyen:

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Thinh Nguyen wrote:

On the PC side this resulted to:

apr 17 18:17:44 delfion kernel: usb 1-5: new high-speed USB device
number 12 using xhci_hcd
apr 17 18:17:44 delfion kernel: usb 1-5: New USB device found,
idVendor=1d6b, idProduct=0104, bcdDevice= 1.00
apr 17 18:17:44 delfion kernel: usb 1-5: New USB device strings: Mfr=1,
Product=2, SerialNumber=3
apr 17 18:17:44 delfion kernel: usb 1-5: Product: USBArmory Gadget
apr 17 18:17:44 delfion kernel: usb 1-5: Manufacturer: USBArmory
apr 17 18:17:44 delfion kernel: usb 1-5: SerialNumber: 0123456789abcdef
apr 17 18:17:49 delfion kernel: usb 1-5: can't set config #1, error -110

Thanks for all your help!

Looks like it's LPM related again. To confirm, try this:
Disable LPM with this property "snps,usb2-gadget-lpm-disable"
(Note that it's not the same as "snps,dis_enblslpm_quirk")
Make sure that your testing kernel has this patch [1]
475e8be53d04 ("usb: dwc3: gadget: Check for disabled LPM quirk")

Thinh, Ferry, I'm a bit lost in this thread. Can you summarize what
patches I have to apply on top of v5.12-rc8 to mitigate issues,
mentioned in this thread?

(Sounds to me there are like ~5 patches floating around)

I have 3 on top usb-next (-rc7)

usb: dwc3: core: Do core softreset when switch mode

usb: dwc3: gadget: START_TRANSFER command needs to be executed while the 
device is on "ON" state

usb: gadget: increase BESL baseline to 6

See here: https://github.com/htot/linux/commits/eds-acpi-5.12-rc7

I'll try to find time to test on my side.

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[1] https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git/commit/?h=usb-next&id=475e8be53d0496f9bc6159f4abb3ff5f9b90e8de