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-rw-r--r--target/linux/generic/backport-5.4/830-v5.12-0001-net-usb-qmi_wwan-support-ZTE-P685M-modem.patch60
-rw-r--r--target/linux/generic/backport-5.4/830-v5.12-0002-usb-serial-option-update-interface-mapping-for-ZTE-P685M.patch73
2 files changed, 133 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.4/830-v5.12-0001-net-usb-qmi_wwan-support-ZTE-P685M-modem.patch b/target/linux/generic/backport-5.4/830-v5.12-0001-net-usb-qmi_wwan-support-ZTE-P685M-modem.patch
new file mode 100644
index 0000000000..35da12af92
--- /dev/null
+++ b/target/linux/generic/backport-5.4/830-v5.12-0001-net-usb-qmi_wwan-support-ZTE-P685M-modem.patch
@@ -0,0 +1,60 @@
+From 88eee9b7b42e69fb622ddb3ff6f37e8e4347f5b2 Mon Sep 17 00:00:00 2001
+From: Lech Perczak <lech.perczak@gmail.com>
+Date: Tue, 23 Feb 2021 19:34:56 +0100
+Subject: net: usb: qmi_wwan: support ZTE P685M modem
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Now that interface 3 in "option" driver is no longer mapped, add device
+ID matching it to qmi_wwan.
+
+The modem is used inside ZTE MF283+ router and carriers identify it as
+such.
+Interface mapping is:
+0: QCDM, 1: AT (PCUI), 2: AT (Modem), 3: QMI, 4: ADB
+
+T: Bus=02 Lev=02 Prnt=02 Port=05 Cnt=01 Dev#= 3 Spd=480 MxCh= 0
+D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
+P: Vendor=19d2 ProdID=1275 Rev=f0.00
+S: Manufacturer=ZTE,Incorporated
+S: Product=ZTE Technologies MSM
+S: SerialNumber=P685M510ZTED0000CP&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&0
+C:* #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=500mA
+I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
+E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
+E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
+E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
+E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
+E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
+E: Ad=87(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
+E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+I:* If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
+E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+
+Acked-by: Bjørn Mork <bjorn@mork.no>
+Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
+Link: https://lore.kernel.org/r/20210223183456.6377-1-lech.perczak@gmail.com
+Signed-off-by: Jakub Kicinski <kuba@kernel.org>
+---
+ drivers/net/usb/qmi_wwan.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/drivers/net/usb/qmi_wwan.c
++++ b/drivers/net/usb/qmi_wwan.c
+@@ -1280,6 +1280,7 @@ static const struct usb_device_id produc
+ {QMI_FIXED_INTF(0x19d2, 0x1255, 4)},
+ {QMI_FIXED_INTF(0x19d2, 0x1256, 4)},
+ {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */
++ {QMI_FIXED_INTF(0x19d2, 0x1275, 3)}, /* ZTE P685M */
+ {QMI_FIXED_INTF(0x19d2, 0x1401, 2)},
+ {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */
+ {QMI_FIXED_INTF(0x19d2, 0x1424, 2)},
diff --git a/target/linux/generic/backport-5.4/830-v5.12-0002-usb-serial-option-update-interface-mapping-for-ZTE-P685M.patch b/target/linux/generic/backport-5.4/830-v5.12-0002-usb-serial-option-update-interface-mapping-for-ZTE-P685M.patch
new file mode 100644
index 0000000000..87eed649ec
--- /dev/null
+++ b/target/linux/generic/backport-5.4/830-v5.12-0002-usb-serial-option-update-interface-mapping-for-ZTE-P685M.patch
@@ -0,0 +1,73 @@
+From 6420a569504e212d618d4a4736e2c59ed80a8478 Mon Sep 17 00:00:00 2001
+From: Lech Perczak <lech.perczak@gmail.com>
+Date: Sun, 7 Feb 2021 01:54:43 +0100
+Subject: USB: serial: option: update interface mapping for ZTE P685M
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This patch prepares for qmi_wwan driver support for the device.
+Previously "option" driver mapped itself to interfaces 0 and 3 (matching
+ff/ff/ff), while interface 3 is in fact a QMI port.
+Interfaces 1 and 2 (matching ff/00/00) expose AT commands,
+and weren't supported previously at all.
+Without this patch, a possible conflict would exist if device ID was
+added to qmi_wwan driver for interface 3.
+
+Update and simplify device ID to match interfaces 0-2 directly,
+to expose QCDM (0), PCUI (1), and modem (2) ports and avoid conflict
+with QMI (3), and ADB (4).
+
+The modem is used inside ZTE MF283+ router and carriers identify it as
+such.
+Interface mapping is:
+0: QCDM, 1: AT (PCUI), 2: AT (Modem), 3: QMI, 4: ADB
+
+T: Bus=02 Lev=02 Prnt=02 Port=05 Cnt=01 Dev#= 3 Spd=480 MxCh= 0
+D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
+P: Vendor=19d2 ProdID=1275 Rev=f0.00
+S: Manufacturer=ZTE,Incorporated
+S: Product=ZTE Technologies MSM
+S: SerialNumber=P685M510ZTED0000CP&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&0
+C:* #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=500mA
+I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
+E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
+E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
+E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
+E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
+E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
+E: Ad=87(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
+E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+I:* If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
+E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
+
+Cc: Johan Hovold <johan@kernel.org>
+Cc: Bjørn Mork <bjorn@mork.no>
+Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
+Link: https://lore.kernel.org/r/20210207005443.12936-1-lech.perczak@gmail.com
+Cc: stable@vger.kernel.org
+Signed-off-by: Johan Hovold <johan@kernel.org>
+---
+ drivers/usb/serial/option.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/drivers/usb/serial/option.c
++++ b/drivers/usb/serial/option.c
+@@ -1569,7 +1569,8 @@ static const struct usb_device_id option
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1272, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1273, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1274, 0xff, 0xff, 0xff) },
+- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1275, 0xff, 0xff, 0xff) },
++ { USB_DEVICE(ZTE_VENDOR_ID, 0x1275), /* ZTE P685M */
++ .driver_info = RSVD(3) | RSVD(4) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1276, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1277, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1278, 0xff, 0xff, 0xff) },