From: Robert Baldyga <r.baldyga@samsung.com>
Date: Tue, 14 Jan 2014 07:36:00 +0000 (+0100)
Subject: usb: gadget: s3c-hsotg: stall ep0 in set_halt function
X-Git-Tag: v3.15-rc1~137^2~25^2~68
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c9f721b2f3168a0a3b1cc29e92ad1f6f3d62e376;p=pandora-kernel.git

usb: gadget: s3c-hsotg: stall ep0 in set_halt function

When s3c_hsotg_ep_sethalt() function is called for ep0 it should be stalled
in the same way that it is in s3c_hsotg_process_control() function, because
SET_HALT for ep0 is delayed response for setup request. Endpoint 0, if
halted, it doesn't need CLEAR_HALT because it clears "stalled" state
automatically when next setup request is received.

For this reason this patch moves code setting ep0 to "stalled" state to new
function named s3c_hsotg_stall_ep0() which is called in
s3c_hsotg_process_control() function as an immediate response for setup
request, and in s3c_hsotg_ep_sethalt() function as a delayed response for
setup request.

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