Problem attaching USB Garmin device
Hans Petter Selasky
hps at selasky.org
Mon Jul 29 09:45:12 UTC 2019
On 2019-07-29 10:37, Mariappan N wrote:
> Hi HPS,
>
> Attached the USB analyzer trace for Garmin and other working device connected to XHCI. Please download from the following link.
>
> <https://www.dropbox.com/s/prnlpc1uiucpu3b/xhci_usb_working.ufo?dl=0>
> https://www.dropbox.com/sh/jkw2zns9l857e4v/AACp7r3dGjR-r9Vfy9KDmzZ6a?dl=0
>
Hi,
Basically the Garmin doesn't respond to status stage of the set address
message, which is a clear USB specification violation. I wonder if doing
a bus-reset right before the set-address, like in the other trace, will
cause the device to recover. Can you make a new trace with the attached
patch?
--HPS
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