From: Robert Baldyga <r.baldyga@samsung.com>
Date: Tue, 28 Jul 2015 05:19:59 +0000 (+0200)
Subject: usb: gadget: add 'quirk_stall_not_supp' to usb_gadget
X-Git-Tag: omap-for-v4.3/fixes-merge-window~42^2~35^2~79
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=02ded1b0d8e73dad7d2626c960ef20fb7dc30753;p=pandora-kernel.git

usb: gadget: add 'quirk_stall_not_supp' to usb_gadget

Due to some UDC controllers may not support stalling, usb gadget layer
needs to provide a generic way to inform gadget functions about non-standard
hardware limitations.

This patch adds 'quirk_stall_not_supp' field to struct usb_gadget and helper
function gadget_is_stall_supported(). It also sets 'quirk_stall_not_supp'
to 1 in at91_udc driver, which has such limitation.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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