sandbox: Drop video-sync in serial driver

With sandbox, when U-Boot is waiting for input it syncs the video
display, since presumably the user has finished typing.

Now that cyclic is used for video syncing, we can drop this. Cyclic
will automatically call the video_idle() function when idle.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/serial/sandbox.c b/drivers/serial/sandbox.c
index ec0068e33d34696db5416cf2912ec0f9f5387d1b..77a1558db688f15d7a231a50f0fbc47e7729e210 100644 (file)
--- a/drivers/serial/sandbox.c
+++ b/drivers/serial/sandbox.c
@@ -138,8 +138,6 @@ static int sandbox_serial_pending(struct udevice *dev, bool input)
                return 0;
 
        os_usleep(100);
-       if (IS_ENABLED(CONFIG_VIDEO) && !IS_ENABLED(CONFIG_SPL_BUILD))
-               video_sync_all();
        avail = membuff_putraw(&priv->buf, 100, false, &data);
        if (!avail)
                return 1;       /* buffer full */