the rest of drivers/*: annotate ->poll() instances

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 2d7f691..731d84a 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -757,11 +757,11 @@ static ssize_t mousedev_read(struct file *file, char __user *buffer,
 }
 
 /* No kernel lock - fine */
-static unsigned int mousedev_poll(struct file *file, poll_table *wait)
+static __poll_t mousedev_poll(struct file *file, poll_table *wait)
 {
 	struct mousedev_client *client = file->private_data;
 	struct mousedev *mousedev = client->mousedev;
-	unsigned int mask;
+	__poll_t mask;
 
 	poll_wait(file, &mousedev->wait, wait);