a0880df0cc
Adds support, by using the PPS line discipline, for the PPS sources connected with the CD (Carrier Detect) pin of a serial port. [akpm@linux-foundation.org: fix cast size warnings] Signed-off-by: Rodolfo Giometti <giometti@linux.it> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Greg KH <greg@kroah.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Alexander Gordeev <lasaine@lvk.cs.msu.su> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
25 lines
595 B
Text
25 lines
595 B
Text
#
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# PPS clients configuration
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#
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if PPS
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comment "PPS clients support"
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config PPS_CLIENT_KTIMER
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tristate "Kernel timer client (Testing client, use for debug)"
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help
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If you say yes here you get support for a PPS debugging client
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which uses a kernel timer to generate the PPS signal.
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This driver can also be built as a module. If so, the module
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will be called pps-ktimer.
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config PPS_CLIENT_LDISC
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tristate "PPS line discipline"
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depends on PPS
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help
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If you say yes here you get support for a PPS source connected
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with the CD (Carrier Detect) pin of your serial port.
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endif
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