3.16.7-ckt9 -stable review patch.  If anyone has any objections, please let me 
know.

------------------

From: Anton Staaf <[email protected]>

commit 679315e5fae1e4614eed0d9aa26999ddcb6a0f77 upstream.

Add support for Google devices that export simple serial
interfaces using the vendor specific SubClass/Protocol pair
0x50/0x01.

Signed-off-by: Anton Staaf <[email protected]>
Reviewed-by: Benson Leung <[email protected]>
[johan: move id entries and update Kconfig]
Signed-off-by: Johan Hovold <[email protected]>
Signed-off-by: Luis Henriques <[email protected]>
---
 drivers/usb/serial/Kconfig             |  1 +
 drivers/usb/serial/usb-serial-simple.c | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index 3ce5c74b29e4..6f483b8a4f56 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -59,6 +59,7 @@ config USB_SERIAL_SIMPLE
          driver.  Specifically, it supports:
                - Suunto ANT+ USB device.
                - Fundamental Software dongle.
+               - Google USB serial devices
                - HP4x calculators
                - a number of Motorola phones
                - Siemens USB/MPI adapter.
diff --git a/drivers/usb/serial/usb-serial-simple.c 
b/drivers/usb/serial/usb-serial-simple.c
index fb79775447b0..e5ad1ee6cb5f 100644
--- a/drivers/usb/serial/usb-serial-simple.c
+++ b/drivers/usb/serial/usb-serial-simple.c
@@ -50,6 +50,14 @@ DEVICE(funsoft, FUNSOFT_IDS);
        { USB_DEVICE(0x8087, 0x0716) }
 DEVICE(flashloader, FLASHLOADER_IDS);
 
+/* Google Serial USB SubClass */
+#define GOOGLE_IDS()                                           \
+       { USB_VENDOR_AND_INTERFACE_INFO(0x18d1,                 \
+                                       USB_CLASS_VENDOR_SPEC,  \
+                                       0x50,                   \
+                                       0x01) }
+DEVICE(google, GOOGLE_IDS);
+
 /* ViVOpay USB Serial Driver */
 #define VIVOPAY_IDS()                  \
        { USB_DEVICE(0x1d5f, 0x1004) }  /* ViVOpay 8800 */
@@ -85,6 +93,7 @@ static struct usb_serial_driver * const serial_drivers[] = {
        &zio_device,
        &funsoft_device,
        &flashloader_device,
+       &google_device,
        &vivopay_device,
        &moto_modem_device,
        &hp4x_device,
@@ -97,6 +106,7 @@ static const struct usb_device_id id_table[] = {
        ZIO_IDS(),
        FUNSOFT_IDS(),
        FLASHLOADER_IDS(),
+       GOOGLE_IDS(),
        VIVOPAY_IDS(),
        MOTO_IDS(),
        HP4X_IDS(),
--
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