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staging: comedi: serial2002: Use monotonic clock
authorAbhilash Jindal <klock.android@gmail.com>
Tue, 11 Aug 2015 14:31:53 +0000 (10:31 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 15 Aug 2015 00:33:22 +0000 (17:33 -0700)
commitd38c59e9ab203427f14ab6691529bac098adbacd
treebc335d0cf72e37f4ca38ba88300c61126cb1218atree | snapshot
parent365741e6a6ab7f31ff885c26dd173d9590d1e8cacommit | diff
staging: comedi: serial2002: Use monotonic clock

Wall time obtained from do_gettimeofday is susceptible to sudden jumps due to
user setting the time or due to NTP.

Monotonic time is constantly increasing time better suited for comparing two
timestamps.

Signed-off-by: Abhilash Jindal <klock.android@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/serial2002.c diff | blob | history
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