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tty: xuartps: Don't consider circular buffer when enabling transmitter
authorSoren Brinkmann <soren.brinkmann@xilinx.com>
Sat, 26 Dec 2015 10:43:51 +0000 (02:43 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 7 Feb 2016 06:52:09 +0000 (22:52 -0800)
commitea8dd8e585761c2811d0566938983868d89976a8
tree458f6e2dff39970a55c398e393aa55e5584f7264tree | snapshot (tar.gz zip)
parentf0f54a806b2df97485519a7c4ebc45feed08a306commit | diff
tty: xuartps: Don't consider circular buffer when enabling transmitter

Restarting the transmitter even if the circ buffer is empty may be
necessary to push out remaining data when the port is restarted after
being stopped.

Cc: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/xilinx_uartps.c diff | blob | blame | history