From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] qmi_wwan: fix interface number for DW5821e production firmware Date: Tue, 24 Jul 2018 16:37:37 -0700 (PDT) Message-ID: <20180724.163737.112749876197949808.davem@davemloft.net> References: <20180723233107.15268-1-aleksander@aleksander.es> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: bjorn@mork.no, netdev@vger.kernel.org, linux-usb@vger.kernel.org, stable@vger.kernel.org To: aleksander@aleksander.es Return-path: In-Reply-To: <20180723233107.15268-1-aleksander@aleksander.es> Sender: stable-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Aleksander Morgado Date: Tue, 24 Jul 2018 01:31:07 +0200 > The original mapping for the DW5821e was done using a development > version of the firmware. Confirmed with the vendor that the final > USB layout ends up exposing the QMI control/data ports in USB > config #1, interface #0, not in interface #1 (which is now a HID > interface). > > T: Bus=01 Lev=03 Prnt=04 Port=00 Cnt=01 Dev#= 16 Spd=480 MxCh= 0 > D: Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 2 > P: Vendor=413c ProdID=81d7 Rev=03.18 > S: Manufacturer=DELL > S: Product=DW5821e Snapdragon X20 LTE > S: SerialNumber=0123456789ABCDEF > C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA > I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan > I: If#= 1 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid > I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option > I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option > I: If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option > I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option > > Fixes: e7e197edd09c25 ("qmi_wwan: add support for the Dell Wireless 5821e module") > Signed-off-by: Aleksander Morgado Applied and queued up for -stable, thank you.