tree 0b968c0fb50b6bb29a2112c8ab1768b641a82aa6
parent 2561f068d91bbb1bd132b439c9023120c0b28cf4
author Ben Dooks <ben.dooks@codethink.co.uk> 1447857678 +0000
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1450065588 -0800

ARM: meson: serial: ensure tx irq on if more work to do

The tx_stop() call turns the interrupt off, but the tx_start() does not
check if the interrupt is enabled. Switch it back on if there is more
work to do.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Tested-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>