tree d96d839061310f9c2e94f7fc24fc906d338f4d01
parent ffea043965e4634617485b4d313d6c0099d817f0
author Thor Thayer <tthayer@opensource.altera.com> 1474574176 -0500
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1474973750 +0200

serial: 8250: Set Altera 16550 TX FIFO Threshold

The Altera 16550 soft IP UART requires 2 additional registers for
TX FIFO threshold support. These 2 registers enable the TX FIFO
Low Watermark and set the TX FIFO Low Watermark.
Set the TX FIFO threshold to the FIFO size - tx_loadsz.

Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>