From: Macpaul Lin <macp...@gmail.com>

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

===============

commit e5dff0e80463cc3fa236e898ef1491b40be70b19 upstream.

OTG device shall support this device for allowing compliance automated testing.
The modification is derived from Pavankumar and Vijayavardhans' previous work.

Signed-off-by: Macpaul Lin <macp...@gmail.com>
Cc: Pavankumar Kondeti <pkond...@codeaurora.org>
Cc: Vijayavardhan Vennapusa <vvre...@codeaurora.org>
Cc: stable <sta...@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Signed-off-by: Jiri Slaby <jsl...@suse.cz>
---
 drivers/usb/core/otg_whitelist.h | 5 +++++
 drivers/usb/core/quirks.c        | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/drivers/usb/core/otg_whitelist.h b/drivers/usb/core/otg_whitelist.h
index e8cdce571bb1..2753cec61aaf 100644
--- a/drivers/usb/core/otg_whitelist.h
+++ b/drivers/usb/core/otg_whitelist.h
@@ -59,6 +59,11 @@ static int is_targeted(struct usb_device *dev)
             le16_to_cpu(dev->descriptor.idProduct) == 0xbadd))
                return 0;
 
+       /* OTG PET device is always targeted (see OTG 2.0 ECN 6.4.2) */
+       if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1a0a &&
+            le16_to_cpu(dev->descriptor.idProduct) == 0x0200))
+               return 1;
+
        /* NOTE: can't use usb_match_id() since interface caches
         * aren't set up yet. this is cut/paste from that code.
         */
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 0815263c43cc..7aa445de8413 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -195,6 +195,10 @@ static const struct usb_device_id usb_quirk_list[] = {
        { USB_DEVICE(0x0b05, 0x17e0), .driver_info =
                        USB_QUIRK_IGNORE_REMOTE_WAKEUP },
 
+       /* Protocol and OTG Electrical Test Device */
+       { USB_DEVICE(0x1a0a, 0x0200), .driver_info =
+                       USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
+
        { }  /* terminating entry must be last */
 };
 
-- 
2.6.2

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