linux-kernel - [PATCH 3.2 130/152] USB: Add OTG PET device to TPL

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Message-ID: <lsq.1424137613.860749324@decadent.org.uk>
Date:	Tue, 17 Feb 2015 01:46:53 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org,
	"Pavankumar Kondeti" <pkondeti@...eaurora.org>,
	"Vijayavardhan Vennapusa" <vvreddy@...eaurora.org>,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	"Macpaul Lin" <macpaul@...il.com>
Subject: [PATCH 3.2 130/152] USB: Add OTG PET device to TPL

3.2.67-rc1 review patch.  If anyone has any objections, please let me know.

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

From: Macpaul Lin <macpaul@...il.com>

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 <macpaul@...il.com>
Cc: Pavankumar Kondeti <pkondeti@...eaurora.org>
Cc: Vijayavardhan Vennapusa <vvreddy@...eaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/usb/core/otg_whitelist.h | 5 +++++
 drivers/usb/core/quirks.c        | 4 ++++
 2 files changed, 9 insertions(+)

--- 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
 	     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.
 	 */
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -168,6 +168,10 @@ static const struct usb_device_id usb_qu
 	{ 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 */
 };
 

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