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authorPeter Korsgaard <jacmet@sunsite.dk>2006-06-02 17:47:26 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-06-02 17:47:26 +0100
commit89f3da3e06257abba3e70163c92969f3fcd1833d (patch)
treeed67922b84423f0494aa7a6c24093d79a01f2dba /Documentation/serial
parentba8f5baba79da8eb502f8534c3a8ecb64aceb790 (diff)
downloadlinux-89f3da3e06257abba3e70163c92969f3fcd1833d.tar.gz
[SERIAL] Update parity handling documentation
Update documentation to match reality. INPCK controls whether input parity checking is enabled. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'Documentation/serial')
-rw-r--r--Documentation/serial/driver9
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/serial/driver b/Documentation/serial/driver
index df82116a9f2..88ad615dd33 100644
--- a/Documentation/serial/driver
+++ b/Documentation/serial/driver
@@ -214,12 +214,13 @@ hardware.
The interaction of the iflag bits is as follows (parity error
given as an example):
Parity error INPCK IGNPAR
- None n/a n/a character received
- Yes n/a 0 character discarded
- Yes 0 1 character received, marked as
+ n/a 0 n/a character received, marked as
TTY_NORMAL
- Yes 1 1 character received, marked as
+ None 1 n/a character received, marked as
+ TTY_NORMAL
+ Yes 1 0 character received, marked as
TTY_PARITY
+ Yes 1 1 character discarded
Other flags may be used (eg, xon/xoff characters) if your
hardware supports hardware "soft" flow control.