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2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner1-0/+1
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-09-08drivers/pps: use surrounding "if PPS" to remove numerous dependency checksRobert P. J. Day1-2/+1
Adding high-level "if PPS" makes lower-level dependency tests superfluous. Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Robert P. J. Day <[email protected]> Acked-by: Rodolfo Giometti <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2017-05-18drivers: pps: Make PPS into a menuconfig to ease disablingVincent Legoll1-1/+2
So that there's no need to get into the submenu to disable all related config entries. The BROKEN PPS_GENERATOR_PARPORT now also depends on PPS Signed-off-by: Vincent Legoll <[email protected]> Acked-by: Rodolfo Giometti <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2011-03-04pps: make pps_gen_parport depend on BROKENThomas Gleixner1-1/+1
This driver causes hard lockups, when the active clock soure is jiffies. The reason is that it loops with interrupts disabled waiting for a timestamp to be reached by polling getnstimeofday(). Though with a jiffies clocksource, when that code runs on the same CPU which is responsible for updating jiffies, then we loop in circles for ever simply because the timer interrupt cannot update jiffies. So both UP and SMP can be affected. There is no easy fix for that problem so make it depend on BROKEN for now. Signed-off-by: Thomas Gleixner <[email protected]> Cc: Alexander Gordeev <[email protected]> Cc: Rodolfo Giometti <[email protected]> Cc: john stultz <[email protected]> Cc: Ingo Molnar <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-01-13pps: add parallel port PPS signal generatorAlexander Gordeev1-5/+1
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. Signed-off-by: Alexander Gordeev <[email protected]> Cc: Rodolfo Giometti <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-01-13pps: add parallel port PPS signal generatorAlexander Gordeev1-0/+17
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. [[email protected]: fix build] Signed-off-by: Alexander Gordeev <[email protected]> Acked-by: Rodolfo Giometti <[email protected]> Cc: john stultz <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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