diff options
| author | Stephen Warren <swarren@nvidia.com> | 2014-08-25 14:02:15 -0600 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2014-09-02 14:29:28 +0200 |
| commit | 842ef9a98ef8643df87d3ae5664802cd5db2bca0 (patch) | |
| tree | 1cee8587565fbcc7679e43078cef0746d16622c3 /drivers | |
| parent | f2ec4e34aa55c3d5553b69e8f6e7df140f3ef48a (diff) | |
| download | u-boot-imx-842ef9a98ef8643df87d3ae5664802cd5db2bca0.zip u-boot-imx-842ef9a98ef8643df87d3ae5664802cd5db2bca0.tar.gz u-boot-imx-842ef9a98ef8643df87d3ae5664802cd5db2bca0.tar.bz2 | |
usb: ci_udc: implement dfu_usb_get_reset
This allows the USB code to determine whether a USB bus reset was issued,
which in turn allows the code to differentiate between a detach (return
to shell prompt) and a board reset/reboot request.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/ci_udc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c index 4cd19c3..2572b34 100644 --- a/drivers/usb/gadget/ci_udc.c +++ b/drivers/usb/gadget/ci_udc.c @@ -919,3 +919,10 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver) return 0; } + +bool dfu_usb_get_reset(void) +{ + struct ci_udc *udc = (struct ci_udc *)controller.ctrl->hcor; + + return !!(readl(&udc->usbsts) & STS_URI); +} |