From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.codeaurora.org by pdx-caf-mail.web.codeaurora.org (Dovecot) with LMTP id rK/pH4JWHltLdAAAmS7hNA ; Mon, 11 Jun 2018 11:01:22 +0000 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 7555260792; Mon, 11 Jun 2018 11:01:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by smtp.codeaurora.org (Postfix) with ESMTP id E5D20601C3; Mon, 11 Jun 2018 11:01:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org E5D20601C3 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932780AbeFKLBU (ORCPT + 19 others); Mon, 11 Jun 2018 07:01:20 -0400 Received: from mx2.suse.de ([195.135.220.15]:33428 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932263AbeFKLBT (ORCPT ); Mon, 11 Jun 2018 07:01:19 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext-too.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 7D87BAF1E; Mon, 11 Jun 2018 11:01:17 +0000 (UTC) Message-ID: <1528714451.31911.15.camel@suse.com> Subject: Re: [PATCH] usb: cdc_acm: Add quirk for Uniden UBC125 scanner From: Oliver Neukum To: Houston Yaroschoff Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Date: Mon, 11 Jun 2018 12:54:11 +0200 In-Reply-To: <20180611103909.24753-1-hstn@4ever3.net> References: <20180611103909.24753-1-hstn@4ever3.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.26.6 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mo, 2018-06-11 at 12:39 +0200, Houston Yaroschoff wrote: > Uniden UBC125 radio scanner has USB interface which fails to work > with cdc_acm driver: > usb 1-1.5: new full-speed USB device number 4 using xhci_hcd > cdc_acm 1-1.5:1.0: Zero length descriptor references > cdc_acm: probe of 1-1.5:1.0 failed with error -22 > > Adding the NO_UNION_NORMAL quirk for the device fixes the issue: > usb 1-4: new full-speed USB device number 15 using xhci_hcd > usb 1-4: New USB device found, idVendor=1965, idProduct=0018 > usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 > usb 1-4: Product: UBC125XLT > usb 1-4: Manufacturer: Uniden Corp. > usb 1-4: SerialNumber: 0001 > cdc_acm 1-4:1.0: ttyACM0: USB ACM device > > `lsusb -v` of the device: > > Bus 001 Device 015: ID 1965:0018 Uniden Corporation > Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 2.00 > bDeviceClass 2 Communications > bDeviceSubClass 0 > bDeviceProtocol 0 > bMaxPacketSize0 64 > idVendor 0x1965 Uniden Corporation > idProduct 0x0018 > bcdDevice 0.01 > iManufacturer 1 Uniden Corp. > iProduct 2 UBC125XLT > iSerial 3 0001 > bNumConfigurations 1 > Configuration Descriptor: > bLength 9 > bDescriptorType 2 > wTotalLength 48 > bNumInterfaces 2 > bConfigurationValue 1 > iConfiguration 0 > bmAttributes 0x80 > (Bus Powered) > MaxPower 500mA > Interface Descriptor: > bLength 9 > bDescriptorType 4 > bInterfaceNumber 0 > bAlternateSetting 0 > bNumEndpoints 1 > bInterfaceClass 2 Communications > bInterfaceSubClass 2 Abstract (modem) > bInterfaceProtocol 0 None > iInterface 0 > Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x87 EP 7 IN > bmAttributes 3 > Transfer Type Interrupt > Synch Type None > Usage Type Data > wMaxPacketSize 0x0008 1x 8 bytes > bInterval 10 > Interface Descriptor: > bLength 9 > bDescriptorType 4 > bInterfaceNumber 1 > bAlternateSetting 0 > bNumEndpoints 2 > bInterfaceClass 10 CDC Data > bInterfaceSubClass 0 Unused > bInterfaceProtocol 0 > iInterface 0 > Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x81 EP 1 IN > bmAttributes 2 > Transfer Type Bulk > Synch Type None > Usage Type Data > wMaxPacketSize 0x0040 1x 64 bytes > bInterval 0 > Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x02 EP 2 OUT > bmAttributes 2 > Transfer Type Bulk > Synch Type None > Usage Type Data > wMaxPacketSize 0x0040 1x 64 bytes > bInterval 0 > Device Status: 0x0000 > (Bus Powered) > > Signed-off-by: Houston Yaroschoff Acked-by: Oliver Neukum