target/linux/generic/backport-5.4/830-v5.12-0001-net-usb-qmi_wwan-support-ZTE-P685M-modem.patch

   1 From 88eee9b7b42e69fb622ddb3ff6f37e8e4347f5b2 Mon Sep 17 00:00:00 2001
   2 From: Lech Perczak <lech.perczak@gmail.com>
   3 Date: Tue, 23 Feb 2021 19:34:56 +0100
   4 Subject: net: usb: qmi_wwan: support ZTE P685M modem
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 Now that interface 3 in "option" driver is no longer mapped, add device
  10 ID matching it to qmi_wwan.
  11
  12 The modem is used inside ZTE MF283+ router and carriers identify it as
  13 such.
  14 Interface mapping is:
  15 0: QCDM, 1: AT (PCUI), 2: AT (Modem), 3: QMI, 4: ADB
  16
  17 T:  Bus=02 Lev=02 Prnt=02 Port=05 Cnt=01 Dev#=  3 Spd=480  MxCh= 0
  18 D:  Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
  19 P:  Vendor=19d2 ProdID=1275 Rev=f0.00
  20 S:  Manufacturer=ZTE,Incorporated
  21 S:  Product=ZTE Technologies MSM
  22 S:  SerialNumber=P685M510ZTED0000CP&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&0
  23 C:* #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=500mA
  24 I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
  25 E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
  26 E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
  27 I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
  28 E:  Ad=83(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
  29 E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
  30 E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
  31 I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
  32 E:  Ad=85(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
  33 E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
  34 E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
  35 I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
  36 E:  Ad=87(I) Atr=03(Int.) MxPS=   8 Ivl=32ms
  37 E:  Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
  38 E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
  39 I:* If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
  40 E:  Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
  41 E:  Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
  42
  43 Acked-by: Bjørn Mork <bjorn@mork.no>
  44 Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
  45 Link: https://lore.kernel.org/r/20210223183456.6377-1-lech.perczak@gmail.com
  46 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
  47 ---
  48  drivers/net/usb/qmi_wwan.c | 1 +
  49  1 file changed, 1 insertion(+)
  50
  51 --- a/drivers/net/usb/qmi_wwan.c
  52 +++ b/drivers/net/usb/qmi_wwan.c
  53 @@ -1280,6 +1280,7 @@ static const struct usb_device_id produc
  54         {QMI_FIXED_INTF(0x19d2, 0x1255, 4)},
  55         {QMI_FIXED_INTF(0x19d2, 0x1256, 4)},
  56         {QMI_FIXED_INTF(0x19d2, 0x1270, 5)},    /* ZTE MF667 */
  57 +       {QMI_FIXED_INTF(0x19d2, 0x1275, 3)},    /* ZTE P685M */
  58         {QMI_FIXED_INTF(0x19d2, 0x1401, 2)},
  59         {QMI_FIXED_INTF(0x19d2, 0x1402, 2)},    /* ZTE MF60 */
  60         {QMI_FIXED_INTF(0x19d2, 0x1424, 2)},