diff options
Diffstat (limited to 'target/linux/generic/patches-4.1/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch')
| -rw-r--r-- | target/linux/generic/patches-4.1/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch | 101 |
1 files changed, 101 insertions, 0 deletions
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 0000000000..3b08571361 --- /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@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@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 + |