diff options
| author | Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> | 2009-08-20 07:01:06 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-08-21 08:34:08 +0900 |
| commit | 9e7291c1124655980ab05fc89930de8e218c7d64 (patch) | |
| tree | 53272e72c8444edc9f9882dfd7863813f0ffe3c3 /drivers/usb/gadget/r8a66597-udc.c | |
| parent | a81bec7653a098349af247926bb19c2889dde803 (diff) | |
| download | kernel_samsung_smdk4412-9e7291c1124655980ab05fc89930de8e218c7d64.zip kernel_samsung_smdk4412-9e7291c1124655980ab05fc89930de8e218c7d64.tar.gz kernel_samsung_smdk4412-9e7291c1124655980ab05fc89930de8e218c7d64.tar.bz2 | |
usb: r8a66597-udc: implement the set_wedge method
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>
Diffstat (limited to 'drivers/usb/gadget/r8a66597-udc.c')
| -rw-r--r-- | drivers/usb/gadget/r8a66597-udc.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c index 9ca867a..e220fb8 100644 --- a/drivers/usb/gadget/r8a66597-udc.c +++ b/drivers/usb/gadget/r8a66597-udc.c @@ -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, }; |