Commit 8a7bf7510d1f ("USB: serial: pl2303: amend and tighten type detection") broke pl2303 driver for my adapter
From: Vasily Khoruzhick <anarsoul@gmail.com>
Date: 2021-07-28 00:00:49
Hey,
My PL2303 adapter isn't working after I upgraded to 5.13.
Looks like the culprit is commit 8a7bf7510d1f ("USB: serial: pl2303:
amend and tighten type detection").
It used to work fine in 5.12.x.
Now it fails like this:
[246872.298632] usb 1-1: new full-speed USB device number 14 using xhci_hcd
[246872.440065] usb 1-1: New USB device found, idVendor=067b,
idProduct=23c3, bcdDevice= 3.05
[246872.440079] usb 1-1: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[246872.440085] usb 1-1: Product: USB-Serial Controller
[246872.440089] usb 1-1: Manufacturer: Prolific Technology Inc.
[246872.440093] usb 1-1: SerialNumber: CMA>b103Y23
[246872.445098] pl2303 1-1:1.0: pl2303 converter detected
[246872.445114] pl2303 1-1:1.0: unknown device type, please report to
linux-usb@vger.kernel.org
Any ideas on how to fix it properly? Should I send a patch that
handles bcdDevice == 0x305 and returns TYPE_HX for it from
pl2303_detect_type()?
Regards,
Vasily