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https://github.com/openwrt/openwrt.git
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548182bc6d
Refreshed all patches. Compile-tested on: adm5120, adm8668, au1000, mcs814x, ppc40x, ppc44x, xburst Runtime-tested on: none Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
92 lines
3.1 KiB
Diff
92 lines
3.1 KiB
Diff
From fe29727caa7fe434fcb3166df2a62672bc516b54 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Petr=20=C5=A0tetiar?= <ynezz@true.cz>
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Date: Wed, 4 Nov 2015 16:23:37 +0100
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Subject: [PATCH 2/2] USB: qmi_wwan: Add quirk for Quectel EC20 Mini PCIe
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module
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This device has same vendor and product IDs as G2K devices, but it has
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different number of interfaces(4 vs 5) and also different interface
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layout where EC20 has QMI on interface 4 instead of 0.
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lsusb output:
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Bus 002 Device 003: ID 05c6:9215 Qualcomm, Inc. Acer Gobi 2000
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Device Descriptor:
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bLength 18
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bDescriptorType 1
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bcdUSB 2.00
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bDeviceClass 0 (Defined at Interface level)
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bDeviceSubClass 0
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bDeviceProtocol 0
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bMaxPacketSize0 64
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idVendor 0x05c6 Qualcomm, Inc.
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idProduct 0x9215 Acer Gobi 2000 Wireless Modem
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bcdDevice 2.32
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iManufacturer 1 Quectel
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iProduct 2 Quectel LTE Module
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iSerial 0
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bNumConfigurations 1
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Configuration Descriptor:
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bLength 9
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bDescriptorType 2
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wTotalLength 209
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bNumInterfaces 5
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bConfigurationValue 1
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iConfiguration 0
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bmAttributes 0xa0
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(Bus Powered)
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Remote Wakeup
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MaxPower 500mA
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Signed-off-by: Petr Štetiar <ynezz@true.cz>
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---
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drivers/net/usb/qmi_wwan.c | 21 +++++++++++++++++++++
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1 file changed, 21 insertions(+)
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--- a/drivers/net/usb/qmi_wwan.c
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+++ b/drivers/net/usb/qmi_wwan.c
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@@ -836,6 +836,7 @@ static const struct usb_device_id produc
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{QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
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{QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
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{QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
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+ {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */
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{QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
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{QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
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{QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
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@@ -867,6 +868,19 @@ static const struct usb_device_id produc
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};
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MODULE_DEVICE_TABLE(usb, products);
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+static bool quectel_ec20_detected(struct usb_interface *intf)
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+{
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+ struct usb_device *dev = interface_to_usbdev(intf);
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+
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+ if (dev->actconfig &&
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+ le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 &&
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+ le16_to_cpu(dev->descriptor.idProduct) == 0x9215 &&
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+ dev->actconfig->desc.bNumInterfaces == 5)
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+ return true;
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+
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+ return false;
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+}
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+
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static int qmi_wwan_probe(struct usb_interface *intf,
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const struct usb_device_id *prod)
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{
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@@ -895,6 +909,12 @@ static int qmi_wwan_probe(struct usb_int
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return -ENODEV;
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}
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+ /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */
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+ if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) {
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+ dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n");
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+ return -ENODEV;
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+ }
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+
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return usbnet_probe(intf, id);
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}
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