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Date: Wed, 10 Sep 2008 09:52:19 +0200 From: Rodolfo Giometti <giometti@...ux.it> To: linux-kernel@...r.kernel.org Cc: Andrew Morton <akpm@...ux-foundation.org>, David Woodhouse <dwmw2@...radead.org>, Dave Jones <davej@...hat.com>, Sam Ravnborg <sam@...nborg.org>, Greg KH <greg@...ah.com>, Randy Dunlap <randy.dunlap@...cle.com>, Kay Sievers <kay.sievers@...y.org>, Alan Cox <alan@...rguk.ukuu.org.uk>, "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu> Subject: LinuxPPS (RESUBMIT 7): the PPS Linux implementation. This patch set adds the PPS support into Linux. PPS means "pulse per second" and its API is specified by RFC 2783 (Pulse-Per-Second API for UNIX-like Operating Systems, Version 1.0). The code has been tested with the NTPD program (http://www.eecis.udel.edu/~mills/ntp/html/index.html) and several GPS antennae. Changelog RESUBMIT 6 -> 7: * A new line discipline has been added in order to leave untouched the serial ports code (as suggested by Alan). * n_tty.c exports only GPL symbols. * ioctl numbers fixed in order to avoid any conflicts. * Last patch (0010-PPS-low-level-IRQ-timestamps-recording.patch) implements low level IRQs timestamps recording which mproves PPS precision but can be dropped for kernel inclusion! As suggested by Alan: "After that is sorted/merged we can come back to working out the best way to improve the IRQ and HARDPPS hacks." Rodolfo -- b/Documentation/ABI/testing/sysfs-pps | 73 +++++++ b/Documentation/ioctl-number.txt | 2 b/Documentation/pps/Makefile | 28 ++ b/Documentation/pps/pps.txt | 172 +++++++++++++++++ b/Documentation/pps/ppsfind | 17 + b/Documentation/pps/ppsldisc.c | 46 ++++ b/Documentation/pps/ppstest.c | 151 +++++++++++++++ b/Documentation/pps/timepps.h | 195 +++++++++++++++++++ b/Documentation/tty.txt | 4 b/MAINTAINERS | 7 b/arch/x86/kernel/irq_32.c | 17 + b/arch/x86/kernel/irq_64.c | 21 +- b/drivers/Kconfig | 2 b/drivers/Makefile | 1 b/drivers/char/lp.c | 61 ++++++ b/drivers/char/n_tty.c | 54 +++-- b/drivers/pps/Kconfig | 33 +++ b/drivers/pps/Makefile | 8 b/drivers/pps/clients/Kconfig | 18 + b/drivers/pps/clients/Makefile | 9 b/drivers/pps/clients/ktimer.c | 124 ++++++++++++ b/drivers/pps/clients/pps-ldisc.c | 154 +++++++++++++++ b/drivers/pps/kapi.c | 322 ++++++++++++++++++++++++++++++++ b/drivers/pps/pps.c | 335 ++++++++++++++++++++++++++++++++++ b/drivers/pps/sysfs.c | 104 ++++++++++ b/drivers/serial/8250.c | 13 + b/include/linux/Kbuild | 1 b/include/linux/parport.h | 22 ++ b/include/linux/pps.h | 202 ++++++++++++++++++++ b/include/linux/serial_core.h | 10 - b/include/linux/tty.h | 16 + b/include/linux/tty_ldisc.h | 8 drivers/pps/Kconfig | 14 + drivers/pps/Makefile | 1 drivers/pps/clients/Kconfig | 17 + drivers/pps/clients/Makefile | 1 include/linux/pps.h | 1 include/linux/serial_core.h | 7 include/linux/tty.h | 3 39 files changed, 2247 insertions(+), 27 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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