serial: sh-sci: Fix up SH-2A SCIF support.

This fixes up support for SH-2(A) SCIFs by introducing a new regtype. As
expected, it's close to the SH-4A SCIF with fifodata, but still different
enough to warrant its own type.

Fixes up a number of FIFO overflows and similar for both SH7203/SH7264.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Tested-by: Federico Fuga <fuga@studiofuga.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
index 8bffe9ae2ca0..5f3939c67dd8 100644
--- a/include/linux/serial_sci.h
+++ b/include/linux/serial_sci.h
@@ -67,6 +67,7 @@ enum {
         SCIx_IRDA_REGTYPE,
         SCIx_SCIFA_REGTYPE,
         SCIx_SCIFB_REGTYPE,
+        SCIx_SH2_SCIF_FIFODATA_REGTYPE,
         SCIx_SH3_SCIF_REGTYPE,
         SCIx_SH4_SCIF_REGTYPE,
         SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,