linux-kernel - [PATCH 3.12 021/113] qmi_wwan/cdc_ether: add device ID for HP lt2523 (Novatel E371) WWAN card

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Message-Id: <08fa6d40abc5c299f0e15eb7848f600d93b909d3.1488791430.git.jslaby@suse.cz>
Date:   Mon,  6 Mar 2017 10:10:45 +0100
From:   Jiri Slaby <jslaby@...e.cz>
To:     stable@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Bjørn Mork <bjorn@...k.no>,
        Dan Williams <dcbw@...hat.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 021/113] qmi_wwan/cdc_ether: add device ID for HP lt2523 (Novatel E371) WWAN card

From: Bjørn Mork <bjorn@...k.no>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

[ Upstream commit 5b9f57516337b523f7466a53939aaaea7b78141b ]

Another rebranded Novatel E371.  qmi_wwan should drive this device, while
cdc_ether should ignore it.  Even though the USB descriptors are plain
CDC-ETHER that USB interface is a QMI interface.  Ref commit 7fdb7846c9ca
("qmi_wwan/cdc_ether: add device IDs for Dell 5804 (Novatel E371) WWAN
card")

Cc: Dan Williams <dcbw@...hat.com>
Signed-off-by: Bjørn Mork <bjorn@...k.no>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/net/usb/cdc_ether.c | 8 ++++++++
 drivers/net/usb/qmi_wwan.c  | 7 +++++++
 2 files changed, 15 insertions(+)

diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 756bb3a8e02c..3651f3cd474e 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -487,6 +487,7 @@ static const struct driver_info wwan_info = {
 #define ZTE_VENDOR_ID		0x19D2
 #define DELL_VENDOR_ID		0x413C
 #define REALTEK_VENDOR_ID	0x0bda
+#define HP_VENDOR_ID		0x03f0
 
 static const struct usb_device_id	products[] = {
 /* BLACKLIST !!
@@ -633,6 +634,13 @@ static const struct usb_device_id	products[] = {
 	.driver_info = 0,
 },
 
+/* HP lt2523 (Novatel E371) - handled by qmi_wwan */
+{
+	USB_DEVICE_AND_INTERFACE_INFO(HP_VENDOR_ID, 0x421d, USB_CLASS_COMM,
+				      USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
+	.driver_info = 0,
+},
+
 /* AnyDATA ADU960S - handled by qmi_wwan */
 {
 	USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM,
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 415bbe0365c6..40eabbb4bcd7 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -560,6 +560,13 @@ static const struct usb_device_id products[] = {
 					      USB_CDC_PROTO_NONE),
 		.driver_info        = (unsigned long)&qmi_wwan_info,
 	},
+	{	/* HP lt2523 (Novatel E371) */
+		USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d,
+					      USB_CLASS_COMM,
+					      USB_CDC_SUBCLASS_ETHERNET,
+					      USB_CDC_PROTO_NONE),
+		.driver_info        = (unsigned long)&qmi_wwan_info,
+	},
 	{	/* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */
 		USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7),
 		.driver_info = (unsigned long)&qmi_wwan_info,
-- 
2.12.0