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serial: sh-sci: modify sci_break_ctl()

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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>
This commit is contained in:
Shimoda, Yoshihiro 2012-04-06 09:59:14 +09:00 • committed by Paul Mundt
parent 0034102808
commit bbb4ce50f3
2 changed files with 28 additions and 4 deletions
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2
include/linux/serial_sci.h
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@ -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 {