diff options
| author | Dave Airlie <airlied@redhat.com> | 2017-05-30 15:54:15 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2017-05-30 15:54:15 +1000 |
| commit | 2a1720376adda5ecf8e636fbfb05339c7dad1c55 (patch) | |
| tree | cdb76abac82306516aa556d9e9ddb15571f07517 /drivers/tty/serdev/core.c | |
| parent | a82256bc026722800d1fdeca5521f1ba487bc2ef (diff) | |
| parent | 5ed02dbb497422bf225783f46e6eadd237d23d6b (diff) | |
Backmerge tag 'v4.12-rc3' into drm-next
Linux 4.12-rc3
Daniel has requested this for some drm-intel-next work.
Diffstat (limited to 'drivers/tty/serdev/core.c')
| -rw-r--r-- | drivers/tty/serdev/core.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index 433de5ea9b02..f71b47334149 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -122,6 +122,18 @@ void serdev_device_write_wakeup(struct serdev_device *serdev) } EXPORT_SYMBOL_GPL(serdev_device_write_wakeup); +int serdev_device_write_buf(struct serdev_device *serdev, + const unsigned char *buf, size_t count) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->write_buf) + return -EINVAL; + + return ctrl->ops->write_buf(ctrl, buf, count); +} +EXPORT_SYMBOL_GPL(serdev_device_write_buf); + int serdev_device_write(struct serdev_device *serdev, const unsigned char *buf, size_t count, unsigned long timeout) |