serial: 8250: Define IIR 64 byte bit & cleanup related code
authorIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Fri, 25 Nov 2022 13:05:08 +0000 (15:05 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 19 Jan 2023 14:01:20 +0000 (15:01 +0100)
commitafd216ca17b1fd24f6b73a1490752c22ab42598c
tree838c3b2b84b9700b87eea7109c82b725c446d93c
parent3398cc4f2b1592148a2ebabc5a2df3e303d4e77c
serial: 8250: Define IIR 64 byte bit & cleanup related code

16750 indicates 64 bytes FIFO with a IIR bit. Add define for it and
make related code more obvious.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221125130509.8482-6-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/8250/8250_port.c
include/uapi/linux/serial_reg.h