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usb: r8a66597-udc: implement the set_wedge method

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fix the problem that MSC Tests of USBCV detects some warnings.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Yoshihiro Shimoda 2009-08-20 07:01:06 +00:00 committed by Paul Mundt
parent a81bec7653
commit 9e7291c112
2 changed files with 27 additions and 2 deletions
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28
drivers/usb/gadget/r8a66597-udc.c
View file

@ -966,8 +966,13 @@ static void clear_feature(struct r8a66597 *r8a66597,
u16 w_index = le16_to_cpu(ctrl->wIndex);
ep = r8a66597->epaddr2ep[w_index & USB_ENDPOINT_NUMBER_MASK];
pipe_stop(r8a66597, ep->pipenum);
control_reg_sqclr(r8a66597, ep->pipenum);
if (!ep->wedge) {
pipe_stop(r8a66597, ep->pipenum);
control_reg_sqclr(r8a66597, ep->pipenum);
spin_unlock(&r8a66597->lock);
usb_ep_clear_halt(&ep->ep);
spin_lock(&r8a66597->lock);
}
control_end(r8a66597, 1);
@ -1340,6 +1345,7 @@ static int r8a66597_set_halt(struct usb_ep *_ep, int value)
pipe_stall(ep->r8a66597, ep->pipenum);
} else {
ep->busy = 0;
ep->wedge = 0;
pipe_stop(ep->r8a66597, ep->pipenum);
}
@ -1348,6 +1354,23 @@ out:
return ret;
}
static int r8a66597_set_wedge(struct usb_ep *_ep)
{
struct r8a66597_ep *ep;
unsigned long flags;
ep = container_of(_ep, struct r8a66597_ep, ep);
if (!ep || !ep->desc)
return -EINVAL;
spin_lock_irqsave(&ep->r8a66597->lock, flags);
ep->wedge = 1;
spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
return usb_ep_set_halt(_ep);
}
static void r8a66597_fifo_flush(struct usb_ep *_ep)
{
struct r8a66597_ep *ep;
@ -1373,6 +1396,7 @@ static struct usb_ep_ops r8a66597_ep_ops = {
.dequeue = r8a66597_dequeue,
.set_halt = r8a66597_set_halt,
.set_wedge = r8a66597_set_wedge,
.fifo_flush = r8a66597_fifo_flush,
};

1
drivers/usb/gadget/r8a66597-udc.h
View file

@ -73,6 +73,7 @@ struct r8a66597_ep {
struct list_head queue;
unsigned busy:1;
unsigned wedge:1;
unsigned internal_ccpl:1; /* use only control */
/* this member can able to after r8a66597_enable */