USB: atmel-usba-udc : fix control out requests.

usbtest #14 was failing with "udc: ep0: TXCOMP: Invalid endpoint state 2, halting endpoint..."
This occured since ep0 is bidirectional and ep->is_in is not valid (must always use ep->state)

Signed-off-by: Martin Fuzzey <mfuzzey@gmail.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 563d572..5644897 100644 (file)
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -794,7 +794,8 @@ usba_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
        if (ep->desc) {
                list_add_tail(&req->queue, &ep->queue);
 
-               if (ep->is_in || (ep_is_control(ep)
+               if ((!ep_is_control(ep) && ep->is_in) ||
+                       (ep_is_control(ep)
                                && (ep->state == DATA_STAGE_IN
                                        || ep->state == STATUS_STAGE_IN)))
                        usba_ep_writel(ep, CTL_ENB, USBA_TX_PK_RDY);