diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2019-07-26 08:05:31 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2019-08-12 08:54:48 +0300 |
| commit | d042c35eb86a8ef13c4b5180fd6953a51d9e1efc (patch) | |
| tree | 150ac28e021a64fe0bac33c3ca0a8e31e505b16c /drivers/usb/gadget/udc/aspeed-vhub/ep0.c | |
| parent | 9fbbeb4eff076859891c022c151ad20eda83d983 (diff) | |
| download | linux-d042c35eb86a8ef13c4b5180fd6953a51d9e1efc.tar.xz | |
usb: gadget: aspeed: Cleanup EP0 state on port reset
Otherwise, we can have a stale state after a disconnect and reconnect
causing errors on the first SETUP packet to the device.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/gadget/udc/aspeed-vhub/ep0.c')
| -rw-r--r-- | drivers/usb/gadget/udc/aspeed-vhub/ep0.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/gadget/udc/aspeed-vhub/ep0.c b/drivers/usb/gadget/udc/aspeed-vhub/ep0.c index e2927fb083cf..5e4714d7febb 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/ep0.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/ep0.c @@ -459,6 +459,15 @@ static const struct usb_ep_ops ast_vhub_ep0_ops = { .free_request = ast_vhub_free_request, }; +void ast_vhub_reset_ep0(struct ast_vhub_dev *dev) +{ + struct ast_vhub_ep *ep = &dev->ep0; + + ast_vhub_nuke(ep, -EIO); + ep->ep0.state = ep0_state_token; +} + + void ast_vhub_init_ep0(struct ast_vhub *vhub, struct ast_vhub_ep *ep, struct ast_vhub_dev *dev) { |