Re: [PATCH v3 7/7] usb: cdc-acm: add quirk to blacklist ETAS ES58X devices
From: Greg Kroah-Hartman
Date: Mon Oct 05 2020 - 07:13:42 EST
On Sat, Oct 03, 2020 at 12:41:51AM +0900, Vincent Mailhol wrote:
> The ES58X devices has a CDC ACM interface (used for debug
> purpose). During probing, the device is thus recognized as USB Modem
> (CDC ACM), preventing the etas-es58x module to load:
> usbcore: registered new interface driver etas_es58x
> usb 1-1.1: new full-speed USB device number 14 using xhci_hcd
> usb 1-1.1: New USB device found, idVendor=108c, idProduct=0159, bcdDevice= 1.00
> usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> usb 1-1.1: Product: ES581.4
> usb 1-1.1: Manufacturer: ETAS GmbH
> usb 1-1.1: SerialNumber: 2204355
> cdc_acm 1-1.1:1.0: No union descriptor, testing for castrated device
> cdc_acm 1-1.1:1.0: ttyACM0: USB ACM device
>
> Thus, these have been added to the ignore list in
> drivers/usb/class/cdc-acm.c
>
> N.B. Future firmware release of the ES58X will remove the CDC-ACM
> interface.
I'll queue this up now, as it's needed no matter what the status of the
other patches in this series.
thanks,
greg k-h