diff options
| author | Felipe Balbi <balbi@ti.com> | 2011-10-15 21:37:35 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2011-12-12 11:48:15 +0200 |
| commit | f96a6ec1db1ac730b5a031f2c2f7fcc6b07459d8 (patch) | |
| tree | b46658f8343241909820f5bc915787003ebb917e /drivers/usb/dwc3 | |
| parent | c4da177f1f5560dfaf2e057cbf85411cd65c5426 (diff) | |
| download | linux-f96a6ec1db1ac730b5a031f2c2f7fcc6b07459d8.tar.bz2 | |
usb: dwc3: ep0: SetAddress() won't be issued while Configured
I have talked to USB-IF about USB30CV issuing SetAddres()
with a device on Configured state and they have agreed on
changing USB30CV not to do so.
Adding back the STALL reply in such case and while at
that, also add a debugging message for an address which
is too large.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/ep0.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 69a4e43ddf59..24b447e40bc7 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -422,8 +422,15 @@ static int dwc3_ep0_set_address(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) u32 reg; addr = le16_to_cpu(ctrl->wValue); - if (addr > 127) + if (addr > 127) { + dev_dbg(dwc->dev, "invalid device address %d\n", addr); return -EINVAL; + } + + if (dwc->dev_state == DWC3_CONFIGURED_STATE) { + dev_dbg(dwc->dev, "trying to set address when configured\n"); + return -EINVAL; + } reg = dwc3_readl(dwc->regs, DWC3_DCFG); reg &= ~(DWC3_DCFG_DEVADDR_MASK); |