diff options
| author | Simon Glass <sjg@chromium.org> | 2015-11-08 23:47:55 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-11-19 20:27:51 -0700 |
| commit | af9c7c11e97ce99a8b8a0de99f91bde1b703377e (patch) | |
| tree | 174b9e5b545fac3c1d50c8dbc91b187a0a3fcd4b /include/usb.h | |
| parent | 80438a6c71b95b2749bdf5c58f7ff26f2907f3d5 (diff) | |
| download | u-boot-af9c7c11e97ce99a8b8a0de99f91bde1b703377e.tar.gz | |
sandbox: usb: Allow finding a USB emulator for a device
Each USB device has an emulator. Currently this can only be found by
supplying the 'pipe' value, which contains the device number. Add a way
to find it directly from the emulated device.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/usb.h')
| -rw-r--r-- | include/usb.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/usb.h b/include/usb.h index a09c7f199a..d68453109a 100644 --- a/include/usb.h +++ b/include/usb.h @@ -950,6 +950,16 @@ int usb_emul_bulk(struct udevice *emul, struct usb_device *udev, int usb_emul_find(struct udevice *bus, ulong pipe, struct udevice **emulp); /** + * usb_emul_find_for_dev() - Find an emulator for a particular device + * + * @bus: USB bus (controller) + * @dev: USB device to check + * @emulp: Returns pointer to emulator, or NULL if not found + * @return 0 if found, -ve on error + */ +int usb_emul_find_for_dev(struct udevice *dev, struct udevice **emulp); + +/** * usb_emul_reset() - Reset all emulators ready for use * * Clear out any address information in the emulators and make then ready for |