--- /dev/null
+From 71a0483d56e784b1e11f38f10d7e22d265dbe244 Mon Sep 17 00:00:00 2001
+From: Kristian Evensen <kristian.evensen@gmail.com>
+Date: Thu, 1 Feb 2018 10:32:32 +0100
+Subject: USB: serial: option: Add support for Quectel EP06
+
+From: Kristian Evensen <kristian.evensen@gmail.com>
+
+commit 71a0483d56e784b1e11f38f10d7e22d265dbe244 upstream.
+
+The Quectel EP06 is a Cat. 6 LTE modem, and the interface mapping is as
+follows:
+
+0: Diag
+1: NMEA
+2: AT
+3: Modem
+
+Interface 4 is QMI and interface 5 is ADB, so they are blacklisted.
+
+This patch should also be considered for -stable. The QMI-patch for this
+modem is already in the -stable-queue.
+
+v1->v2:
+* Updated commit prefix (thanks Johan Hovold)
+* Updated commit message slightly.
+
+Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
+Acked-by: Johan Hovold <johan@kernel.org>
+Cc: Bjørn Mork <bjorn@mork.no>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ drivers/usb/serial/option.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+--- a/drivers/usb/serial/option.c
++++ b/drivers/usb/serial/option.c
+@@ -244,6 +244,7 @@ static void option_instat_callback(struc
+ #define QUECTEL_PRODUCT_EC21 0x0121
+ #define QUECTEL_PRODUCT_EC25 0x0125
+ #define QUECTEL_PRODUCT_BG96 0x0296
++#define QUECTEL_PRODUCT_EP06 0x0306
+
+ #define CMOTECH_VENDOR_ID 0x16d8
+ #define CMOTECH_PRODUCT_6001 0x6001
+@@ -692,6 +693,10 @@ static const struct option_blacklist_inf
+ .reserved = BIT(1) | BIT(4),
+ };
+
++static const struct option_blacklist_info quectel_ep06_blacklist = {
++ .reserved = BIT(4) | BIT(5),
++};
++
+ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
+ { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
+@@ -1206,6 +1211,8 @@ static const struct usb_device_id option
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96),
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
++ { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06),
++ .driver_info = (kernel_ulong_t)&quectel_ep06_blacklist },
+ { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) },
+ { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) },
+ { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003),