On Mon, Aug 12, 2019 at 04:58:10PM +0530, Krishna Yarlagadda wrote:

From: Andreas Abel <redacted>

Add the internal loopback functionality that can be enabled with
TIOCM_LOOP.

Signed-off-by: Andreas Abel <redacted>
Signed-off-by: Krishna Yarlagadda <redacted>
---
 drivers/tty/serial/serial-tegra.c | 26 ++++++++++++++++++++++----
 1 file changed, 22 insertions(+), 4 deletions(-)

Acked-by: Thierry Reding <redacted>