serial: tegra: Add PIO mode support
authorKrishna Yarlagadda <kyarlagadda@nvidia.com>
Wed, 4 Sep 2019 04:43:07 +0000 (10:13 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 5 Sep 2019 08:00:05 +0000 (10:00 +0200)
commit1dce2df3ee06e4f10fd9b8919a0f2e90e0ac3188
tree0aab0936e3ec6e18794354624ae8d419f0b9cebe
parentd781ec21bae6ff8f9e07682e8947a654484611f5
serial: tegra: Add PIO mode support

Add PIO mode support in receive and transmit path with RX interrupt
trigger of 16 bytes for Tegra194 and older chips.

Signed-off-by: Shardar Shariff Md <smohammed@nvidia.com>
Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
Link: https://lore.kernel.org/r/1567572187-29820-13-git-send-email-kyarlagadda@nvidia.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/serial-tegra.c