aboutsummaryrefslogtreecommitdiff
path: root/drivers/tty/serdev/core.c
diff options
context:
space:
mode:
authorJ. Bruce Fields <bfields@redhat.com>2017-06-28 13:34:15 -0400
committerJ. Bruce Fields <bfields@redhat.com>2017-06-28 13:34:15 -0400
commit9a1d168e1bc2893120bb7c0d9932dd22f97d0b55 (patch)
treef7d419f1601419aa0aebda102a6b14bdf7653443 /drivers/tty/serdev/core.c
parentbb2a8b0cd116219777b99cb71fe9e24b31d3f521 (diff)
parent32c1431eea4881a6b17bd7c639315010aeefa452 (diff)
Merge tag 'v4.12-rc5' into nfsd tree
Update to get f0c3192ceee3 "virtio_net: lower limit on buffer size". That bug was interfering with my nfsd testing.
Diffstat (limited to 'drivers/tty/serdev/core.c')
-rw-r--r--drivers/tty/serdev/core.c12
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)