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pps: add parallel port PPS signal generator

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Add PPS signal generator which utilizes STROBE pin of a parallel port to
send PPS signals.  It uses parport abstraction layer and hrtimers to
precisely control the signal.

[akpm@linux-foundation.org: fix build]
Signed-off-by: Alexander Gordeev <lasaine@lvk.cs.msu.su>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexander Gordeev
2011-01-12 17:00:59 -08:00
committed by Linus Torvalds
parent a10203c691
commit 46b402a0e5
6 changed files with 350 additions and 1 deletions
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drivers/pps/Kconfig
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@@ -41,4 +41,6 @@ config NTP_PPS
source drivers/pps/clients/Kconfig
source drivers/pps/generators/Kconfig
endmenu