Commits
Andreas Abel committed 6300b140c29
serial: tegra: add internal loopback functionality Add the internal loopback functionality that can be enabled with TIOCM_LOOP. Signed-off-by: Andreas Abel <aabel@nvidia.com> Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Link: https://lore.kernel.org/r/1565609303-27000-2-git-send-email-kyarlagadda@nvidia.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>