serial: sh-sci: modify sci_break_ctl()

SCIF modules which have SCSPTR can output the break signal. Now that we
have a way of determining port features/capabilities, add trivial break
control via SCSPTR support. Tested on sh7757lcr.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
index 78779074f6e8..eb763adf9815 100644
--- a/include/linux/serial_sci.h
+++ b/include/linux/serial_sci.h
@@ -52,6 +52,8 @@ enum {
 /* SCSPTR, optional */
 #define SCSPTR_RTSIO    (1 << 7)
 #define SCSPTR_CTSIO    (1 << 5)
+#define SCSPTR_SPB2IO   (1 << 1)
+#define SCSPTR_SPB2DT   (1 << 0)
 
 /* Offsets into the sci_port->irqs array */
 enum {