[OpenWrt-Devel] [PATCH] kernel/generic: 3.18, 4.y: Add support for Quectel EC20 Mini PCIe module
John Crispin
blogic at openwrt.org
Sat Nov 21 15:18:53 EST 2015
Thanks, i dropped the 4.0 part as we dont have that in trunk anymore
John
On 11/11/2015 14:18, Petr Štetiar wrote:
> * both patches (qcserial/qmi_wwan) were submitted upstream[1,2]
> * build tested on 3.18 and 4.1
> * run tested on imx6 platform with 4.1
>
> 1. http://article.gmane.org/gmane.linux.usb.general/132998
> 2. http://article.gmane.org/gmane.linux.usb.general/133113
>
> Signed-off-by: Petr Štetiar <ynezz at true.cz>
> ---
> ...l-Add-support-for-Quectel-EC20-Mini-PCIe-.patch | 119 ++++++++++++++++++++
> ...n-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch | 101 +++++++++++++++++
> ...l-Add-support-for-Quectel-EC20-Mini-PCIe-.patch | 119 ++++++++++++++++++++
> ...n-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch | 101 +++++++++++++++++
> ...l-Add-support-for-Quectel-EC20-Mini-PCIe-.patch | 119 ++++++++++++++++++++
> ...n-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch | 101 +++++++++++++++++
> ...l-Add-support-for-Quectel-EC20-Mini-PCIe-.patch | 119 ++++++++++++++++++++
> ...n-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch | 101 +++++++++++++++++
> 8 files changed, 880 insertions(+)
> create mode 100644 target/linux/generic/patches-3.18/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch
> create mode 100644 target/linux/generic/patches-3.18/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch
> create mode 100644 target/linux/generic/patches-4.0/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch
> create mode 100644 target/linux/generic/patches-4.0/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch
> create mode 100644 target/linux/generic/patches-4.1/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch
> create mode 100644 target/linux/generic/patches-4.1/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch
> create mode 100644 target/linux/generic/patches-4.3/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch
> create mode 100644 target/linux/generic/patches-4.3/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch
>
> diff --git a/target/linux/generic/patches-3.18/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch b/target/linux/generic/patches-3.18/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch
> new file mode 100644
> index 0000000..f56941c
> --- /dev/null
> +++ b/target/linux/generic/patches-3.18/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch
> @@ -0,0 +1,119 @@
> +From 128524b9db3e4f4245226852bee771bd03db75be Mon Sep 17 00:00:00 2001
> +From: =?UTF-8?q?Petr=20=C5=A0tetiar?= <ynezz at true.cz>
> +Date: Tue, 3 Nov 2015 11:01:42 +0100
> +Subject: [PATCH 1/2] USB: qcserial: Add support for Quectel EC20 Mini PCIe
> + module
> +MIME-Version: 1.0
> +Content-Type: text/plain; charset=UTF-8
> +Content-Transfer-Encoding: 8bit
> +
> +It seems like this device has same vendor and product IDs as G2K
> +devices, but it has different number of interfaces(4 vs 5) and also
> +different interface layout which makes it currently unusable:
> +
> + usbcore: registered new interface driver qcserial
> + usbserial: USB Serial support registered for Qualcomm USB modem
> + usb 2-1.2: unknown number of interfaces: 5
> +
> +lsusb output:
> +
> + Bus 002 Device 003: ID 05c6:9215 Qualcomm, Inc. Acer Gobi 2000 Wireless
> + Device Descriptor:
> + bLength 18
> + bDescriptorType 1
> + bcdUSB 2.00
> + bDeviceClass 0 (Defined at Interface level)
> + bDeviceSubClass 0
> + bDeviceProtocol 0
> + bMaxPacketSize0 64
> + idVendor 0x05c6 Qualcomm, Inc.
> + idProduct 0x9215 Acer Gobi 2000 Wireless Modem
> + bcdDevice 2.32
> + iManufacturer 1 Quectel
> + iProduct 2 Quectel LTE Module
> + iSerial 0
> + bNumConfigurations 1
> + Configuration Descriptor:
> + bLength 9
> + bDescriptorType 2
> + wTotalLength 209
> + bNumInterfaces 5
> + bConfigurationValue 1
> + iConfiguration 0
> + bmAttributes 0xa0
> + (Bus Powered)
> + Remote Wakeup
> + MaxPower 500mA
> +
> +Signed-off-by: Petr Štetiar <ynezz at true.cz>
> +---
> + drivers/usb/serial/qcserial.c | 39 +++++++++++++++++++++++++++++++++++++++
> + 1 file changed, 39 insertions(+)
> +
> +diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
> +index ebcec8c..d462132 100644
> +--- a/drivers/usb/serial/qcserial.c
> ++++ b/drivers/usb/serial/qcserial.c
> +@@ -22,6 +22,8 @@
> + #define DRIVER_AUTHOR "Qualcomm Inc"
> + #define DRIVER_DESC "Qualcomm USB Serial driver"
> +
> ++#define QUECTEL_EC20_IDPRODUCT 0x9215
> ++
> + /* standard device layouts supported by this driver */
> + enum qcserial_layouts {
> + QCSERIAL_G2K = 0, /* Gobi 2000 */
> +@@ -167,6 +169,38 @@ static const struct usb_device_id id_table[] = {
> + };
> + MODULE_DEVICE_TABLE(usb, id_table);
> +
> ++static int handle_quectel_ec20(struct device *dev, int ifnum)
> ++{
> ++ int altsetting = 0;
> ++
> ++ /*
> ++ * Quectel EC20 Mini PCIe LTE module layout:
> ++ * 0: DM/DIAG (use libqcdm from ModemManager for communication)
> ++ * 1: NMEA
> ++ * 2: AT-capable modem port
> ++ * 3: Modem interface
> ++ * 4: NDIS
> ++ */
> ++ switch (ifnum) {
> ++ case 0:
> ++ dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n");
> ++ break;
> ++ case 1:
> ++ dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n");
> ++ break;
> ++ case 2:
> ++ case 3:
> ++ dev_dbg(dev, "Quectel EC20 Modem port found\n");
> ++ break;
> ++ case 4:
> ++ /* Don't claim the QMI/net interface */
> ++ altsetting = -1;
> ++ break;
> ++ }
> ++
> ++ return altsetting;
> ++}
> ++
> + static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
> + {
> + struct usb_host_interface *intf = serial->interface->cur_altsetting;
> +@@ -235,6 +269,11 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
> + altsetting = -1;
> + break;
> + case QCSERIAL_G2K:
> ++ if (nintf == 5 && id->idProduct == QUECTEL_EC20_IDPRODUCT) {
> ++ altsetting = handle_quectel_ec20(dev, ifnum);
> ++ goto done;
> ++ }
> ++
> + /*
> + * Gobi 2K+ USB layout:
> + * 0: QMI/net
> +--
> +1.7.9.5
> +
> diff --git a/target/linux/generic/patches-3.18/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch b/target/linux/generic/patches-3.18/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch
> new file mode 100644
> index 0000000..3b08571
> --- /dev/null
> +++ b/target/linux/generic/patches-3.18/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch
> @@ -0,0 +1,101 @@
> +From fe29727caa7fe434fcb3166df2a62672bc516b54 Mon Sep 17 00:00:00 2001
> +From: =?UTF-8?q?Petr=20=C5=A0tetiar?= <ynezz at true.cz>
> +Date: Wed, 4 Nov 2015 16:23:37 +0100
> +Subject: [PATCH 2/2] USB: qmi_wwan: Add quirk for Quectel EC20 Mini PCIe
> + module
> +MIME-Version: 1.0
> +Content-Type: text/plain; charset=UTF-8
> +Content-Transfer-Encoding: 8bit
> +
> +This device has same vendor and product IDs as G2K devices, but it has
> +different number of interfaces(4 vs 5) and also different interface
> +layout where EC20 has QMI on interface 4 instead of 0.
> +
> +lsusb output:
> +
> + Bus 002 Device 003: ID 05c6:9215 Qualcomm, Inc. Acer Gobi 2000
> + Device Descriptor:
> + bLength 18
> + bDescriptorType 1
> + bcdUSB 2.00
> + bDeviceClass 0 (Defined at Interface level)
> + bDeviceSubClass 0
> + bDeviceProtocol 0
> + bMaxPacketSize0 64
> + idVendor 0x05c6 Qualcomm, Inc.
> + idProduct 0x9215 Acer Gobi 2000 Wireless Modem
> + bcdDevice 2.32
> + iManufacturer 1 Quectel
> + iProduct 2 Quectel LTE Module
> + iSerial 0
> + bNumConfigurations 1
> + Configuration Descriptor:
> + bLength 9
> + bDescriptorType 2
> + wTotalLength 209
> + bNumInterfaces 5
> + bConfigurationValue 1
> + iConfiguration 0
> + bmAttributes 0xa0
> + (Bus Powered)
> + Remote Wakeup
> + MaxPower 500mA
> +
> +Signed-off-by: Petr Štetiar <ynezz at true.cz>
> +---
> + drivers/net/usb/qmi_wwan.c | 21 +++++++++++++++++++++
> + 1 file changed, 21 insertions(+)
> +
> +diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
> +index 2a7c1be..b81a32c 100644
> +--- a/drivers/net/usb/qmi_wwan.c
> ++++ b/drivers/net/usb/qmi_wwan.c
> +@@ -822,6 +822,7 @@ static const struct usb_device_id products[] = {
> + {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
> + {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
> ++ {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
> +@@ -853,10 +854,24 @@ static const struct usb_device_id products[] = {
> + };
> + MODULE_DEVICE_TABLE(usb, products);
> +
> ++static bool quectel_ec20_detected(struct usb_interface *intf)
> ++{
> ++ struct usb_device *dev = interface_to_usbdev(intf);
> ++
> ++ if (dev->actconfig &&
> ++ le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 &&
> ++ le16_to_cpu(dev->descriptor.idProduct) == 0x9215 &&
> ++ dev->actconfig->desc.bNumInterfaces == 5)
> ++ return true;
> ++
> ++ return false;
> ++}
> ++
> + static int qmi_wwan_probe(struct usb_interface *intf,
> + const struct usb_device_id *prod)
> + {
> + struct usb_device_id *id = (struct usb_device_id *)prod;
> ++ struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;
> +
> + /* Workaround to enable dynamic IDs. This disables usbnet
> + * blacklisting functionality. Which, if required, can be
> +@@ -868,6 +883,12 @@ static int qmi_wwan_probe(struct usb_interface *intf,
> + id->driver_info = (unsigned long)&qmi_wwan_info;
> + }
> +
> ++ /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */
> ++ if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) {
> ++ dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n");
> ++ return -ENODEV;
> ++ }
> ++
> + return usbnet_probe(intf, id);
> + }
> +
> +--
> +1.7.9.5
> +
> diff --git a/target/linux/generic/patches-4.0/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch b/target/linux/generic/patches-4.0/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch
> new file mode 100644
> index 0000000..f56941c
> --- /dev/null
> +++ b/target/linux/generic/patches-4.0/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch
> @@ -0,0 +1,119 @@
> +From 128524b9db3e4f4245226852bee771bd03db75be Mon Sep 17 00:00:00 2001
> +From: =?UTF-8?q?Petr=20=C5=A0tetiar?= <ynezz at true.cz>
> +Date: Tue, 3 Nov 2015 11:01:42 +0100
> +Subject: [PATCH 1/2] USB: qcserial: Add support for Quectel EC20 Mini PCIe
> + module
> +MIME-Version: 1.0
> +Content-Type: text/plain; charset=UTF-8
> +Content-Transfer-Encoding: 8bit
> +
> +It seems like this device has same vendor and product IDs as G2K
> +devices, but it has different number of interfaces(4 vs 5) and also
> +different interface layout which makes it currently unusable:
> +
> + usbcore: registered new interface driver qcserial
> + usbserial: USB Serial support registered for Qualcomm USB modem
> + usb 2-1.2: unknown number of interfaces: 5
> +
> +lsusb output:
> +
> + Bus 002 Device 003: ID 05c6:9215 Qualcomm, Inc. Acer Gobi 2000 Wireless
> + Device Descriptor:
> + bLength 18
> + bDescriptorType 1
> + bcdUSB 2.00
> + bDeviceClass 0 (Defined at Interface level)
> + bDeviceSubClass 0
> + bDeviceProtocol 0
> + bMaxPacketSize0 64
> + idVendor 0x05c6 Qualcomm, Inc.
> + idProduct 0x9215 Acer Gobi 2000 Wireless Modem
> + bcdDevice 2.32
> + iManufacturer 1 Quectel
> + iProduct 2 Quectel LTE Module
> + iSerial 0
> + bNumConfigurations 1
> + Configuration Descriptor:
> + bLength 9
> + bDescriptorType 2
> + wTotalLength 209
> + bNumInterfaces 5
> + bConfigurationValue 1
> + iConfiguration 0
> + bmAttributes 0xa0
> + (Bus Powered)
> + Remote Wakeup
> + MaxPower 500mA
> +
> +Signed-off-by: Petr Štetiar <ynezz at true.cz>
> +---
> + drivers/usb/serial/qcserial.c | 39 +++++++++++++++++++++++++++++++++++++++
> + 1 file changed, 39 insertions(+)
> +
> +diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
> +index ebcec8c..d462132 100644
> +--- a/drivers/usb/serial/qcserial.c
> ++++ b/drivers/usb/serial/qcserial.c
> +@@ -22,6 +22,8 @@
> + #define DRIVER_AUTHOR "Qualcomm Inc"
> + #define DRIVER_DESC "Qualcomm USB Serial driver"
> +
> ++#define QUECTEL_EC20_IDPRODUCT 0x9215
> ++
> + /* standard device layouts supported by this driver */
> + enum qcserial_layouts {
> + QCSERIAL_G2K = 0, /* Gobi 2000 */
> +@@ -167,6 +169,38 @@ static const struct usb_device_id id_table[] = {
> + };
> + MODULE_DEVICE_TABLE(usb, id_table);
> +
> ++static int handle_quectel_ec20(struct device *dev, int ifnum)
> ++{
> ++ int altsetting = 0;
> ++
> ++ /*
> ++ * Quectel EC20 Mini PCIe LTE module layout:
> ++ * 0: DM/DIAG (use libqcdm from ModemManager for communication)
> ++ * 1: NMEA
> ++ * 2: AT-capable modem port
> ++ * 3: Modem interface
> ++ * 4: NDIS
> ++ */
> ++ switch (ifnum) {
> ++ case 0:
> ++ dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n");
> ++ break;
> ++ case 1:
> ++ dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n");
> ++ break;
> ++ case 2:
> ++ case 3:
> ++ dev_dbg(dev, "Quectel EC20 Modem port found\n");
> ++ break;
> ++ case 4:
> ++ /* Don't claim the QMI/net interface */
> ++ altsetting = -1;
> ++ break;
> ++ }
> ++
> ++ return altsetting;
> ++}
> ++
> + static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
> + {
> + struct usb_host_interface *intf = serial->interface->cur_altsetting;
> +@@ -235,6 +269,11 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
> + altsetting = -1;
> + break;
> + case QCSERIAL_G2K:
> ++ if (nintf == 5 && id->idProduct == QUECTEL_EC20_IDPRODUCT) {
> ++ altsetting = handle_quectel_ec20(dev, ifnum);
> ++ goto done;
> ++ }
> ++
> + /*
> + * Gobi 2K+ USB layout:
> + * 0: QMI/net
> +--
> +1.7.9.5
> +
> diff --git a/target/linux/generic/patches-4.0/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch b/target/linux/generic/patches-4.0/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch
> new file mode 100644
> index 0000000..3b08571
> --- /dev/null
> +++ b/target/linux/generic/patches-4.0/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch
> @@ -0,0 +1,101 @@
> +From fe29727caa7fe434fcb3166df2a62672bc516b54 Mon Sep 17 00:00:00 2001
> +From: =?UTF-8?q?Petr=20=C5=A0tetiar?= <ynezz at true.cz>
> +Date: Wed, 4 Nov 2015 16:23:37 +0100
> +Subject: [PATCH 2/2] USB: qmi_wwan: Add quirk for Quectel EC20 Mini PCIe
> + module
> +MIME-Version: 1.0
> +Content-Type: text/plain; charset=UTF-8
> +Content-Transfer-Encoding: 8bit
> +
> +This device has same vendor and product IDs as G2K devices, but it has
> +different number of interfaces(4 vs 5) and also different interface
> +layout where EC20 has QMI on interface 4 instead of 0.
> +
> +lsusb output:
> +
> + Bus 002 Device 003: ID 05c6:9215 Qualcomm, Inc. Acer Gobi 2000
> + Device Descriptor:
> + bLength 18
> + bDescriptorType 1
> + bcdUSB 2.00
> + bDeviceClass 0 (Defined at Interface level)
> + bDeviceSubClass 0
> + bDeviceProtocol 0
> + bMaxPacketSize0 64
> + idVendor 0x05c6 Qualcomm, Inc.
> + idProduct 0x9215 Acer Gobi 2000 Wireless Modem
> + bcdDevice 2.32
> + iManufacturer 1 Quectel
> + iProduct 2 Quectel LTE Module
> + iSerial 0
> + bNumConfigurations 1
> + Configuration Descriptor:
> + bLength 9
> + bDescriptorType 2
> + wTotalLength 209
> + bNumInterfaces 5
> + bConfigurationValue 1
> + iConfiguration 0
> + bmAttributes 0xa0
> + (Bus Powered)
> + Remote Wakeup
> + MaxPower 500mA
> +
> +Signed-off-by: Petr Štetiar <ynezz at true.cz>
> +---
> + drivers/net/usb/qmi_wwan.c | 21 +++++++++++++++++++++
> + 1 file changed, 21 insertions(+)
> +
> +diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
> +index 2a7c1be..b81a32c 100644
> +--- a/drivers/net/usb/qmi_wwan.c
> ++++ b/drivers/net/usb/qmi_wwan.c
> +@@ -822,6 +822,7 @@ static const struct usb_device_id products[] = {
> + {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
> + {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
> ++ {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
> +@@ -853,10 +854,24 @@ static const struct usb_device_id products[] = {
> + };
> + MODULE_DEVICE_TABLE(usb, products);
> +
> ++static bool quectel_ec20_detected(struct usb_interface *intf)
> ++{
> ++ struct usb_device *dev = interface_to_usbdev(intf);
> ++
> ++ if (dev->actconfig &&
> ++ le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 &&
> ++ le16_to_cpu(dev->descriptor.idProduct) == 0x9215 &&
> ++ dev->actconfig->desc.bNumInterfaces == 5)
> ++ return true;
> ++
> ++ return false;
> ++}
> ++
> + static int qmi_wwan_probe(struct usb_interface *intf,
> + const struct usb_device_id *prod)
> + {
> + struct usb_device_id *id = (struct usb_device_id *)prod;
> ++ struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;
> +
> + /* Workaround to enable dynamic IDs. This disables usbnet
> + * blacklisting functionality. Which, if required, can be
> +@@ -868,6 +883,12 @@ static int qmi_wwan_probe(struct usb_interface *intf,
> + id->driver_info = (unsigned long)&qmi_wwan_info;
> + }
> +
> ++ /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */
> ++ if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) {
> ++ dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n");
> ++ return -ENODEV;
> ++ }
> ++
> + return usbnet_probe(intf, id);
> + }
> +
> +--
> +1.7.9.5
> +
> diff --git a/target/linux/generic/patches-4.1/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch b/target/linux/generic/patches-4.1/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch
> new file mode 100644
> index 0000000..f56941c
> --- /dev/null
> +++ b/target/linux/generic/patches-4.1/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch
> @@ -0,0 +1,119 @@
> +From 128524b9db3e4f4245226852bee771bd03db75be Mon Sep 17 00:00:00 2001
> +From: =?UTF-8?q?Petr=20=C5=A0tetiar?= <ynezz at true.cz>
> +Date: Tue, 3 Nov 2015 11:01:42 +0100
> +Subject: [PATCH 1/2] USB: qcserial: Add support for Quectel EC20 Mini PCIe
> + module
> +MIME-Version: 1.0
> +Content-Type: text/plain; charset=UTF-8
> +Content-Transfer-Encoding: 8bit
> +
> +It seems like this device has same vendor and product IDs as G2K
> +devices, but it has different number of interfaces(4 vs 5) and also
> +different interface layout which makes it currently unusable:
> +
> + usbcore: registered new interface driver qcserial
> + usbserial: USB Serial support registered for Qualcomm USB modem
> + usb 2-1.2: unknown number of interfaces: 5
> +
> +lsusb output:
> +
> + Bus 002 Device 003: ID 05c6:9215 Qualcomm, Inc. Acer Gobi 2000 Wireless
> + Device Descriptor:
> + bLength 18
> + bDescriptorType 1
> + bcdUSB 2.00
> + bDeviceClass 0 (Defined at Interface level)
> + bDeviceSubClass 0
> + bDeviceProtocol 0
> + bMaxPacketSize0 64
> + idVendor 0x05c6 Qualcomm, Inc.
> + idProduct 0x9215 Acer Gobi 2000 Wireless Modem
> + bcdDevice 2.32
> + iManufacturer 1 Quectel
> + iProduct 2 Quectel LTE Module
> + iSerial 0
> + bNumConfigurations 1
> + Configuration Descriptor:
> + bLength 9
> + bDescriptorType 2
> + wTotalLength 209
> + bNumInterfaces 5
> + bConfigurationValue 1
> + iConfiguration 0
> + bmAttributes 0xa0
> + (Bus Powered)
> + Remote Wakeup
> + MaxPower 500mA
> +
> +Signed-off-by: Petr Štetiar <ynezz at true.cz>
> +---
> + drivers/usb/serial/qcserial.c | 39 +++++++++++++++++++++++++++++++++++++++
> + 1 file changed, 39 insertions(+)
> +
> +diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
> +index ebcec8c..d462132 100644
> +--- a/drivers/usb/serial/qcserial.c
> ++++ b/drivers/usb/serial/qcserial.c
> +@@ -22,6 +22,8 @@
> + #define DRIVER_AUTHOR "Qualcomm Inc"
> + #define DRIVER_DESC "Qualcomm USB Serial driver"
> +
> ++#define QUECTEL_EC20_IDPRODUCT 0x9215
> ++
> + /* standard device layouts supported by this driver */
> + enum qcserial_layouts {
> + QCSERIAL_G2K = 0, /* Gobi 2000 */
> +@@ -167,6 +169,38 @@ static const struct usb_device_id id_table[] = {
> + };
> + MODULE_DEVICE_TABLE(usb, id_table);
> +
> ++static int handle_quectel_ec20(struct device *dev, int ifnum)
> ++{
> ++ int altsetting = 0;
> ++
> ++ /*
> ++ * Quectel EC20 Mini PCIe LTE module layout:
> ++ * 0: DM/DIAG (use libqcdm from ModemManager for communication)
> ++ * 1: NMEA
> ++ * 2: AT-capable modem port
> ++ * 3: Modem interface
> ++ * 4: NDIS
> ++ */
> ++ switch (ifnum) {
> ++ case 0:
> ++ dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n");
> ++ break;
> ++ case 1:
> ++ dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n");
> ++ break;
> ++ case 2:
> ++ case 3:
> ++ dev_dbg(dev, "Quectel EC20 Modem port found\n");
> ++ break;
> ++ case 4:
> ++ /* Don't claim the QMI/net interface */
> ++ altsetting = -1;
> ++ break;
> ++ }
> ++
> ++ return altsetting;
> ++}
> ++
> + static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
> + {
> + struct usb_host_interface *intf = serial->interface->cur_altsetting;
> +@@ -235,6 +269,11 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
> + altsetting = -1;
> + break;
> + case QCSERIAL_G2K:
> ++ if (nintf == 5 && id->idProduct == QUECTEL_EC20_IDPRODUCT) {
> ++ altsetting = handle_quectel_ec20(dev, ifnum);
> ++ goto done;
> ++ }
> ++
> + /*
> + * Gobi 2K+ USB layout:
> + * 0: QMI/net
> +--
> +1.7.9.5
> +
> diff --git a/target/linux/generic/patches-4.1/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch b/target/linux/generic/patches-4.1/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch
> new file mode 100644
> index 0000000..3b08571
> --- /dev/null
> +++ b/target/linux/generic/patches-4.1/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch
> @@ -0,0 +1,101 @@
> +From fe29727caa7fe434fcb3166df2a62672bc516b54 Mon Sep 17 00:00:00 2001
> +From: =?UTF-8?q?Petr=20=C5=A0tetiar?= <ynezz at true.cz>
> +Date: Wed, 4 Nov 2015 16:23:37 +0100
> +Subject: [PATCH 2/2] USB: qmi_wwan: Add quirk for Quectel EC20 Mini PCIe
> + module
> +MIME-Version: 1.0
> +Content-Type: text/plain; charset=UTF-8
> +Content-Transfer-Encoding: 8bit
> +
> +This device has same vendor and product IDs as G2K devices, but it has
> +different number of interfaces(4 vs 5) and also different interface
> +layout where EC20 has QMI on interface 4 instead of 0.
> +
> +lsusb output:
> +
> + Bus 002 Device 003: ID 05c6:9215 Qualcomm, Inc. Acer Gobi 2000
> + Device Descriptor:
> + bLength 18
> + bDescriptorType 1
> + bcdUSB 2.00
> + bDeviceClass 0 (Defined at Interface level)
> + bDeviceSubClass 0
> + bDeviceProtocol 0
> + bMaxPacketSize0 64
> + idVendor 0x05c6 Qualcomm, Inc.
> + idProduct 0x9215 Acer Gobi 2000 Wireless Modem
> + bcdDevice 2.32
> + iManufacturer 1 Quectel
> + iProduct 2 Quectel LTE Module
> + iSerial 0
> + bNumConfigurations 1
> + Configuration Descriptor:
> + bLength 9
> + bDescriptorType 2
> + wTotalLength 209
> + bNumInterfaces 5
> + bConfigurationValue 1
> + iConfiguration 0
> + bmAttributes 0xa0
> + (Bus Powered)
> + Remote Wakeup
> + MaxPower 500mA
> +
> +Signed-off-by: Petr Štetiar <ynezz at true.cz>
> +---
> + drivers/net/usb/qmi_wwan.c | 21 +++++++++++++++++++++
> + 1 file changed, 21 insertions(+)
> +
> +diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
> +index 2a7c1be..b81a32c 100644
> +--- a/drivers/net/usb/qmi_wwan.c
> ++++ b/drivers/net/usb/qmi_wwan.c
> +@@ -822,6 +822,7 @@ static const struct usb_device_id products[] = {
> + {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
> + {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
> ++ {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
> +@@ -853,10 +854,24 @@ static const struct usb_device_id products[] = {
> + };
> + MODULE_DEVICE_TABLE(usb, products);
> +
> ++static bool quectel_ec20_detected(struct usb_interface *intf)
> ++{
> ++ struct usb_device *dev = interface_to_usbdev(intf);
> ++
> ++ if (dev->actconfig &&
> ++ le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 &&
> ++ le16_to_cpu(dev->descriptor.idProduct) == 0x9215 &&
> ++ dev->actconfig->desc.bNumInterfaces == 5)
> ++ return true;
> ++
> ++ return false;
> ++}
> ++
> + static int qmi_wwan_probe(struct usb_interface *intf,
> + const struct usb_device_id *prod)
> + {
> + struct usb_device_id *id = (struct usb_device_id *)prod;
> ++ struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;
> +
> + /* Workaround to enable dynamic IDs. This disables usbnet
> + * blacklisting functionality. Which, if required, can be
> +@@ -868,6 +883,12 @@ static int qmi_wwan_probe(struct usb_interface *intf,
> + id->driver_info = (unsigned long)&qmi_wwan_info;
> + }
> +
> ++ /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */
> ++ if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) {
> ++ dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n");
> ++ return -ENODEV;
> ++ }
> ++
> + return usbnet_probe(intf, id);
> + }
> +
> +--
> +1.7.9.5
> +
> diff --git a/target/linux/generic/patches-4.3/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch b/target/linux/generic/patches-4.3/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch
> new file mode 100644
> index 0000000..f56941c
> --- /dev/null
> +++ b/target/linux/generic/patches-4.3/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch
> @@ -0,0 +1,119 @@
> +From 128524b9db3e4f4245226852bee771bd03db75be Mon Sep 17 00:00:00 2001
> +From: =?UTF-8?q?Petr=20=C5=A0tetiar?= <ynezz at true.cz>
> +Date: Tue, 3 Nov 2015 11:01:42 +0100
> +Subject: [PATCH 1/2] USB: qcserial: Add support for Quectel EC20 Mini PCIe
> + module
> +MIME-Version: 1.0
> +Content-Type: text/plain; charset=UTF-8
> +Content-Transfer-Encoding: 8bit
> +
> +It seems like this device has same vendor and product IDs as G2K
> +devices, but it has different number of interfaces(4 vs 5) and also
> +different interface layout which makes it currently unusable:
> +
> + usbcore: registered new interface driver qcserial
> + usbserial: USB Serial support registered for Qualcomm USB modem
> + usb 2-1.2: unknown number of interfaces: 5
> +
> +lsusb output:
> +
> + Bus 002 Device 003: ID 05c6:9215 Qualcomm, Inc. Acer Gobi 2000 Wireless
> + Device Descriptor:
> + bLength 18
> + bDescriptorType 1
> + bcdUSB 2.00
> + bDeviceClass 0 (Defined at Interface level)
> + bDeviceSubClass 0
> + bDeviceProtocol 0
> + bMaxPacketSize0 64
> + idVendor 0x05c6 Qualcomm, Inc.
> + idProduct 0x9215 Acer Gobi 2000 Wireless Modem
> + bcdDevice 2.32
> + iManufacturer 1 Quectel
> + iProduct 2 Quectel LTE Module
> + iSerial 0
> + bNumConfigurations 1
> + Configuration Descriptor:
> + bLength 9
> + bDescriptorType 2
> + wTotalLength 209
> + bNumInterfaces 5
> + bConfigurationValue 1
> + iConfiguration 0
> + bmAttributes 0xa0
> + (Bus Powered)
> + Remote Wakeup
> + MaxPower 500mA
> +
> +Signed-off-by: Petr Štetiar <ynezz at true.cz>
> +---
> + drivers/usb/serial/qcserial.c | 39 +++++++++++++++++++++++++++++++++++++++
> + 1 file changed, 39 insertions(+)
> +
> +diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
> +index ebcec8c..d462132 100644
> +--- a/drivers/usb/serial/qcserial.c
> ++++ b/drivers/usb/serial/qcserial.c
> +@@ -22,6 +22,8 @@
> + #define DRIVER_AUTHOR "Qualcomm Inc"
> + #define DRIVER_DESC "Qualcomm USB Serial driver"
> +
> ++#define QUECTEL_EC20_IDPRODUCT 0x9215
> ++
> + /* standard device layouts supported by this driver */
> + enum qcserial_layouts {
> + QCSERIAL_G2K = 0, /* Gobi 2000 */
> +@@ -167,6 +169,38 @@ static const struct usb_device_id id_table[] = {
> + };
> + MODULE_DEVICE_TABLE(usb, id_table);
> +
> ++static int handle_quectel_ec20(struct device *dev, int ifnum)
> ++{
> ++ int altsetting = 0;
> ++
> ++ /*
> ++ * Quectel EC20 Mini PCIe LTE module layout:
> ++ * 0: DM/DIAG (use libqcdm from ModemManager for communication)
> ++ * 1: NMEA
> ++ * 2: AT-capable modem port
> ++ * 3: Modem interface
> ++ * 4: NDIS
> ++ */
> ++ switch (ifnum) {
> ++ case 0:
> ++ dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n");
> ++ break;
> ++ case 1:
> ++ dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n");
> ++ break;
> ++ case 2:
> ++ case 3:
> ++ dev_dbg(dev, "Quectel EC20 Modem port found\n");
> ++ break;
> ++ case 4:
> ++ /* Don't claim the QMI/net interface */
> ++ altsetting = -1;
> ++ break;
> ++ }
> ++
> ++ return altsetting;
> ++}
> ++
> + static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
> + {
> + struct usb_host_interface *intf = serial->interface->cur_altsetting;
> +@@ -235,6 +269,11 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
> + altsetting = -1;
> + break;
> + case QCSERIAL_G2K:
> ++ if (nintf == 5 && id->idProduct == QUECTEL_EC20_IDPRODUCT) {
> ++ altsetting = handle_quectel_ec20(dev, ifnum);
> ++ goto done;
> ++ }
> ++
> + /*
> + * Gobi 2K+ USB layout:
> + * 0: QMI/net
> +--
> +1.7.9.5
> +
> diff --git a/target/linux/generic/patches-4.3/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch b/target/linux/generic/patches-4.3/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch
> new file mode 100644
> index 0000000..3b08571
> --- /dev/null
> +++ b/target/linux/generic/patches-4.3/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch
> @@ -0,0 +1,101 @@
> +From fe29727caa7fe434fcb3166df2a62672bc516b54 Mon Sep 17 00:00:00 2001
> +From: =?UTF-8?q?Petr=20=C5=A0tetiar?= <ynezz at true.cz>
> +Date: Wed, 4 Nov 2015 16:23:37 +0100
> +Subject: [PATCH 2/2] USB: qmi_wwan: Add quirk for Quectel EC20 Mini PCIe
> + module
> +MIME-Version: 1.0
> +Content-Type: text/plain; charset=UTF-8
> +Content-Transfer-Encoding: 8bit
> +
> +This device has same vendor and product IDs as G2K devices, but it has
> +different number of interfaces(4 vs 5) and also different interface
> +layout where EC20 has QMI on interface 4 instead of 0.
> +
> +lsusb output:
> +
> + Bus 002 Device 003: ID 05c6:9215 Qualcomm, Inc. Acer Gobi 2000
> + Device Descriptor:
> + bLength 18
> + bDescriptorType 1
> + bcdUSB 2.00
> + bDeviceClass 0 (Defined at Interface level)
> + bDeviceSubClass 0
> + bDeviceProtocol 0
> + bMaxPacketSize0 64
> + idVendor 0x05c6 Qualcomm, Inc.
> + idProduct 0x9215 Acer Gobi 2000 Wireless Modem
> + bcdDevice 2.32
> + iManufacturer 1 Quectel
> + iProduct 2 Quectel LTE Module
> + iSerial 0
> + bNumConfigurations 1
> + Configuration Descriptor:
> + bLength 9
> + bDescriptorType 2
> + wTotalLength 209
> + bNumInterfaces 5
> + bConfigurationValue 1
> + iConfiguration 0
> + bmAttributes 0xa0
> + (Bus Powered)
> + Remote Wakeup
> + MaxPower 500mA
> +
> +Signed-off-by: Petr Štetiar <ynezz at true.cz>
> +---
> + drivers/net/usb/qmi_wwan.c | 21 +++++++++++++++++++++
> + 1 file changed, 21 insertions(+)
> +
> +diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
> +index 2a7c1be..b81a32c 100644
> +--- a/drivers/net/usb/qmi_wwan.c
> ++++ b/drivers/net/usb/qmi_wwan.c
> +@@ -822,6 +822,7 @@ static const struct usb_device_id products[] = {
> + {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
> + {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
> ++ {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
> + {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
> +@@ -853,10 +854,24 @@ static const struct usb_device_id products[] = {
> + };
> + MODULE_DEVICE_TABLE(usb, products);
> +
> ++static bool quectel_ec20_detected(struct usb_interface *intf)
> ++{
> ++ struct usb_device *dev = interface_to_usbdev(intf);
> ++
> ++ if (dev->actconfig &&
> ++ le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 &&
> ++ le16_to_cpu(dev->descriptor.idProduct) == 0x9215 &&
> ++ dev->actconfig->desc.bNumInterfaces == 5)
> ++ return true;
> ++
> ++ return false;
> ++}
> ++
> + static int qmi_wwan_probe(struct usb_interface *intf,
> + const struct usb_device_id *prod)
> + {
> + struct usb_device_id *id = (struct usb_device_id *)prod;
> ++ struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;
> +
> + /* Workaround to enable dynamic IDs. This disables usbnet
> + * blacklisting functionality. Which, if required, can be
> +@@ -868,6 +883,12 @@ static int qmi_wwan_probe(struct usb_interface *intf,
> + id->driver_info = (unsigned long)&qmi_wwan_info;
> + }
> +
> ++ /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */
> ++ if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) {
> ++ dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n");
> ++ return -ENODEV;
> ++ }
> ++
> + return usbnet_probe(intf, id);
> + }
> +
> +--
> +1.7.9.5
> +
>
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