From: stephane duverger <stephane.duverger@gmail.com>
Date: Mon, 12 Jul 2010 16:43:47 +0000 (+0200)
Subject: USB: musb: forward debug mode feature to gadget
X-Git-Tag: v3.0~3872^2~71
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d0390d92bf548a903a48e1a2b3a12eff8a9d838b;p=platform%2Fkernel%2Flinux-amlogic.git

USB: musb: forward debug mode feature to gadget

This is a patch for the musb usb controller.

It allows forwarding of the debug mode feature to its gadget in order
to be able to act as an ehci debug device.

This patch has been tested on an IGEPv2 board running a 2.6.35-rc1
kernel.

Signed-off-by: Stephane Duverger <stephane.duverger@gmail.com>
Cc: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c
index 21b9788..59bef8f 100644
--- a/drivers/usb/musb/musb_gadget_ep0.c
+++ b/drivers/usb/musb/musb_gadget_ep0.c
@@ -402,6 +402,9 @@ __acquires(musb->lock)
 					musb->g.a_alt_hnp_support = 1;
 					break;
 #endif
+				case USB_DEVICE_DEBUG_MODE:
+					handled = 0;
+					break;
 stall:
 				default:
 					handled = -EINVAL;