From 50ff51e118b8c1dc098fd2d26d2235bd1add458c Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Tue, 12 Jan 2016 20:52:19 +0000 Subject: kernel/4.3: update to version 4.3.3 Signed-off-by: Hauke Mehrtens -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 ---- - drivers/usb/serial/qcserial.c | 39 +++++++++++++++++++++++++++++++++++++++ - 1 file changed, 39 insertions(+) - ---- 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_tab - }; - 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 *se - 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 -- cgit v1.2.3