USB: serial: add support Infineon modem USB flashloader driver

If you want to download Infineon modem via USB, this Infineon USB
flashloader driver is required.

Signed-off-by: Wei Shuai <cpuwolf@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

3 files changed, 50 insertions, 0 deletions

diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index 1d55762afbb1..8c3a42ea910c 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -710,6 +710,16 @@ config USB_SERIAL_QT2
           To compile this driver as a module, choose M here: the
           module will be called quatech-serial.
 
+config USB_SERIAL_FLASHLOADER
+        tristate "Infineon Modem Flashloader USB interface driver"
+        help
+          Say Y here if you want to download Infineon Modem
+          via USB Flashloader serial driver.
+
+          To compile this driver as a module, choose M here: the
+          module will be called flashloader.
+
+
 config USB_SERIAL_DEBUG
         tristate "USB Debugging Device"
         help
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index cec63fa19104..f7130114488f 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -65,3 +65,4 @@ obj-$(CONFIG_USB_SERIAL_VIVOPAY_SERIAL)		+= vivopay-serial.o
 obj-$(CONFIG_USB_SERIAL_XSENS_MT)               += xsens_mt.o
 obj-$(CONFIG_USB_SERIAL_ZIO)                    += zio.o
 obj-$(CONFIG_USB_SERIAL_ZTE)                    += zte_ev.o
+obj-$(CONFIG_USB_SERIAL_FLASHLOADER)            += flashloader.o
diff --git a/drivers/usb/serial/flashloader.c b/drivers/usb/serial/flashloader.c
new file mode 100644
index 000000000000..e6f5c10e891c
--- /dev/null
+++ b/drivers/usb/serial/flashloader.c
@@ -0,0 +1,39 @@
+/*
+ * Infineon Flashloader driver
+ *
+ * Copyright (C) 2013 Wei Shuai <cpuwolf@gmail.com>
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License version
+ *      2 as published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+#include <linux/uaccess.h>
+
+static const struct usb_device_id id_table[] = {
+        { USB_DEVICE(0x8087, 0x0716) },
+        { },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+static struct usb_serial_driver flashloader_device = {
+        .driver = {
+                .owner =        THIS_MODULE,
+                .name =         "flashloader",
+        },
+        .id_table =             id_table,
+        .num_ports =            1,
+};
+
+static struct usb_serial_driver * const serial_drivers[] = {
+        &flashloader_device, NULL
+};
+
+module_usb_serial_driver(serial_drivers, id_table);
+MODULE_LICENSE("GPL");