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>
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
index 7877907..eb763ad 100644
--- a/include/linux/serial_sci.h
+++ b/include/linux/serial_sci.h
@@ -52,6 +52,8 @@
/* 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 {