Add support for a line discipline name "PPS" selecting the
Pulse Per Second line discipline N_PPS (18). The number has been
reserved since kernel release 2.6.28, and the implementation is
finally going to be submitted for kernel release 2.6.31.
Signed-off-by: Tilman Schmidt <tilman@xxxxxxx>
---
sys-utils/ldattach.8 | 5 ++++-
sys-utils/ldattach.c | 7 ++++++-
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/sys-utils/ldattach.8 b/sys-utils/ldattach.8
index 4ee6229..7afe51d 100644
--- a/sys-utils/ldattach.8
+++ b/sys-utils/ldattach.8
@@ -35,7 +35,7 @@ With no arguments,
.B ldattach
prints usage information.
.SH LINE DISCIPLINES
-As of kernel release 2.6.21, the following line disciplines are supported:
+Depending on the kernel release, the following line disciplines are supported:
.TP
.BR TTY ( 0 )
The default line discipline,
@@ -80,6 +80,9 @@ Bluetooth HCI UART driver.
.TP
.BR GIGASET_M101 ( 16 )
Driver for Siemens Gigaset M101 serial DECT adapter.
+.TP
+.BR PPS ( 18 )
+Driver for serial line Pulse Per Second (PPS) source.
.SH OPTIONS
.TP
\fB-d\fP | \fB--debug\fP
diff --git a/sys-utils/ldattach.c b/sys-utils/ldattach.c
index 801dd1c..19f70fe 100644
--- a/sys-utils/ldattach.c
+++ b/sys-utils/ldattach.c
@@ -34,6 +34,10 @@
# define N_GIGASET_M101 16
#endif
+#ifndef N_PPS
+# define N_PPS 18
+#endif
+
#ifndef ARRAY_SIZE
# define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#endif
@@ -65,7 +69,8 @@ ld_table[] = {
{ "HCI", N_HCI },
{ "GIGASET_M101", N_GIGASET_M101 },
{ "GIGASET", N_GIGASET_M101 },
- { "M101", N_GIGASET_M101 }
+ { "M101", N_GIGASET_M101 },
+ { "PPS", N_PPS },
};
/* look up line discipline code */
--
1.6.2.1.214.ge986c
--
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