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| author | Pavankumar Kondeti <pkondeti@codeaurora.org> | 2011-05-02 11:56:30 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-05-03 10:25:25 -0700 |
| commit | 4c5212b7688955075b166def5ce08b34beb87a9c (patch) | |
| tree | c4d6cee63a5bfc65ca5cb7a07df10efcf955d983 /drivers/usb/gadget/ci13xxx_udc.c | |
| parent | 986b11b8c7ac3d8752790654637bd944ea18ee79 (diff) | |
| download | op-kernel-dev-4c5212b7688955075b166def5ce08b34beb87a9c.zip op-kernel-dev-4c5212b7688955075b166def5ce08b34beb87a9c.tar.gz | |
USB: gadget: Fix bug in endpoint feature request processing in ci13xxx_udc
The OUT endpoints are stored in 0 - hw_ep_max/2 and IN endpoints are
stored from hw_ep_max/2 - hw_ep_max in ci13xxx_ep array. Retrieve
the IN endpoint correctly while processing endpoint feature requests.
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget/ci13xxx_udc.c')
| -rw-r--r-- | drivers/usb/gadget/ci13xxx_udc.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c index 92498ae..1b095cb 100644 --- a/drivers/usb/gadget/ci13xxx_udc.c +++ b/drivers/usb/gadget/ci13xxx_udc.c @@ -1894,7 +1894,7 @@ __acquires(udc->lock) for (i = 0; i < hw_ep_max; i++) { struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[i]; - int type, num, err = -EINVAL; + int type, num, dir, err = -EINVAL; struct usb_ctrlrequest req; if (mEp->desc == NULL) @@ -1952,7 +1952,10 @@ __acquires(udc->lock) if (req.wLength != 0) break; num = le16_to_cpu(req.wIndex); + dir = num & USB_ENDPOINT_DIR_MASK; num &= USB_ENDPOINT_NUMBER_MASK; + if (dir) /* TX */ + num += hw_ep_max/2; if (!udc->ci13xxx_ep[num].wedge) { spin_unlock(udc->lock); err = usb_ep_clear_halt( @@ -2001,7 +2004,10 @@ __acquires(udc->lock) if (req.wLength != 0) break; num = le16_to_cpu(req.wIndex); + dir = num & USB_ENDPOINT_DIR_MASK; num &= USB_ENDPOINT_NUMBER_MASK; + if (dir) /* TX */ + num += hw_ep_max/2; spin_unlock(udc->lock); err = usb_ep_set_halt(&udc->ci13xxx_ep[num].ep); |
