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Tom Burkart 4c69add45f pps: pps-gpio PPS ECHO implementation 
This patch implements the PPS ECHO functionality for pps-gpio, that
sysfs claims is available already.

Configuration is done via device tree bindings.

No changes are made to userspace interfaces.

This patch was originally written by Lukas Senger as part of a masters
thesis project and modified for inclusion into the linux kernel by Tom
Burkart.

Link: http://lkml.kernel.org/r/20190324043305.6627-4-tom@aussec.com
Signed-off-by: Tom Burkart <tom@aussec.com>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Lukas Senger <lukas@fridolin.com>
Cc: Philipp Zabel <philipp.zabel@gmail.com>
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2019-05-14 19:52:51 -07:00
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accessibility
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acpi pci-v5.2-changes 2019-05-14 10:30:10 -07:00
amba
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android Char/Misc patches for 5.2-rc1 - part 2 2019-05-07 13:39:22 -07:00
ata
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atm
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auxdisplay
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base Merge branch 'akpm' (patches from Andrew) 2019-05-14 10:10:55 -07:00
bcma
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block Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-05-07 22:03:58 -07:00
bluetooth Bluetooth: hci_qca: Rename STATE_<flags> to QCA_<flags> 2019-05-05 19:34:00 +02:00
bus
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cdrom
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char Some minor cleanups for the IPMI driver. 2019-05-08 10:34:17 -07:00
clk Merge branch 'clk-parent-rewrite-1' into clk-next 2019-05-07 11:46:13 -07:00
clocksource Kbuild updates for v5.2 2019-05-08 12:25:12 -07:00
connector
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counter
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cpufreq Printk changes for 5.2 2019-05-07 09:18:12 -07:00
cpuidle
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crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-05-06 20:15:06 -07:00
dax mm/huge_memory: fix vmf_insert_pfn_{pmd, pud}() crash, handle unaligned addresses 2019-05-14 09:47:44 -07:00
dca
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devfreq
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dio
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dma dmaengine updates for v5.2-rc1 2019-05-09 08:51:45 -07:00
dma-buf drm pull request for 5.2 2019-05-08 21:35:19 -07:00
edac Merge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-05-06 19:54:57 -07:00
eisa
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extcon Char/Misc patches for 5.2-rc1 - part 2 2019-05-07 13:39:22 -07:00
firewire drivers/firewire/core-iso.c: convert to use vm_map_pages_zero() 2019-05-14 09:47:50 -07:00
firmware Char/Misc patches for 5.2-rc1 - part 2 2019-05-07 13:39:22 -07:00
fmc
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fpga mm/gup: change GUP fast to use flags rather than a write 'bool' 2019-05-14 09:47:46 -07:00
fsi
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gnss Char/Misc patches for 5.2-rc1 - part 2 2019-05-07 13:39:22 -07:00
gpio - Core Frameworks 2019-05-14 10:39:08 -07:00
gpu - Fix-ups 2019-05-14 10:45:03 -07:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2019-05-13 15:21:48 -07:00
hsi
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hv
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hwmon stream_open related patches for Linux 5.2 2019-05-07 12:15:13 -07:00
hwspinlock
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hwtracing Char/Misc patches for 5.2-rc1 - part 2 2019-05-07 13:39:22 -07:00
i2c Merge branch 'i2c/for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2019-05-09 14:41:55 -07:00
i3c * Fix a shift wrap bug in the core 2019-05-07 08:50:40 -07:00
ide ide: officially deprecated the legacy IDE driver 2019-05-08 16:47:23 -07:00
idle
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iio Staging / IIO driver patches for 5.2-rc1 2019-05-07 13:31:29 -07:00
infiniband mm/mmu_notifier: convert user range->blockable to helper function 2019-05-14 09:47:49 -07:00
input - Core Frameworks 2019-05-14 10:39:08 -07:00
interconnect
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iommu pci-v5.2-changes 2019-05-14 10:30:10 -07:00
ipack
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irqchip Driver core/kobject patches for 5.2-rc1 2019-05-07 13:01:40 -07:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-05-07 22:03:58 -07:00
leds - Core Frameworks 2019-05-14 10:39:08 -07:00
lightnvm
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macintosh
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mailbox - New driver: Armada 37xx mailbox controller 2019-05-10 12:55:16 -04:00
mcb
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md for-5.2/block-20190507 2019-05-07 18:14:36 -07:00
media videobuf2/videobuf2-dma-sg.c: convert to use vm_map_pages() 2019-05-14 09:47:50 -07:00
memory This pull request contains the following changes for MTD: 2019-05-12 17:57:52 -04:00
memstick MMC core: 2019-05-07 12:56:19 -07:00
message
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mfd - Core Frameworks 2019-05-14 10:39:08 -07:00
misc pci-v5.2-changes 2019-05-14 10:30:10 -07:00
mmc MMC core: 2019-05-07 12:56:19 -07:00
mtd mtd: rawnand: vf610_nfc: add initializer to avoid -Wmaybe-uninitialized 2019-05-14 19:52:48 -07:00
mux
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net - Core Frameworks 2019-05-14 10:39:08 -07:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-05-07 22:03:58 -07:00
ntb
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nubus
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nvdimm for-5.2/block-20190507 2019-05-07 18:14:36 -07:00
nvme SCSI misc on 20190507 2019-05-08 10:12:46 -07:00
nvmem
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of of_net: Fix missing of_find_device_by_node ref count drop 2019-05-13 08:52:37 -07:00
opp
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oprofile
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parisc parisc: Skip registering LED when running in QEMU 2019-05-03 23:47:39 +02:00
parport DMA mapping updates for 5.2 2019-05-09 08:40:55 -07:00
pci pci-v5.2-changes 2019-05-14 10:30:10 -07:00
pcmcia
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perf
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phy USB/PHY patches for 5.2-rc1 2019-05-08 10:03:52 -07:00
pinctrl - Core Frameworks 2019-05-14 10:39:08 -07:00
platform - Core Frameworks 2019-05-14 10:39:08 -07:00
pnp
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power power: supply: max77650: Add support for battery charger 2019-05-08 12:06:52 +01:00
powercap
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pps pps: pps-gpio PPS ECHO implementation 2019-05-14 19:52:51 -07:00
ps3
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ptp ptp_qoriq: fix NULL access if ptp dt node missing 2019-05-09 09:19:26 -07:00
pwm pwm: Changes for v5.2-rc1 2019-05-10 12:57:15 -04:00
rapidio rapidio: fix a NULL pointer dereference when create_workqueue() fails 2019-05-14 19:52:50 -07:00
ras
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regulator Merge branch 'regulator-5.2' into regulator-next 2019-05-06 22:52:14 +09:00
remoteproc
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reset
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rpmsg
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rtc chrome platform changes for v5.2 2019-05-12 07:00:21 -04:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-05-07 22:03:58 -07:00
sbus mm/gup: change GUP fast to use flags rather than a write 'bool' 2019-05-14 09:47:46 -07:00
scsi mm/gup: change GUP fast to use flags rather than a write 'bool' 2019-05-14 09:47:46 -07:00
sfi
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sh
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siox
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slimbus
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sn
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soc soc: sunxi: Fix missing dependency on REGMAP_MMIO 2019-04-30 17:55:08 +02:00
soundwire
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spi include/: refactor headers to allow kthread.h inclusion in psi_types.h 2019-05-14 19:52:48 -07:00
spmi
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ssb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-05-07 22:03:58 -07:00
staging - Fix-ups 2019-05-14 10:45:03 -07:00
target SCSI misc on 20190507 2019-05-08 10:12:46 -07:00
tc
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tee mm/gup: change GUP fast to use flags rather than a write 'bool' 2019-05-14 09:47:46 -07:00
thermal
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thunderbolt Char/Misc patches for 5.2-rc1 - part 2 2019-05-07 13:39:22 -07:00
tty panic: avoid the extra noise dmesg 2019-05-14 19:52:51 -07:00
uio
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usb - Fix-ups 2019-05-14 10:45:03 -07:00
uwb
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vfio mm/gup: change GUP fast to use flags rather than a write 'bool' 2019-05-14 09:47:46 -07:00
vhost mm/gup: change GUP fast to use flags rather than a write 'bool' 2019-05-14 09:47:46 -07:00
video lib/math: move int_pow() from pwm_bl.c for wider use 2019-05-14 19:52:49 -07:00
virt mm/gup: change GUP fast to use flags rather than a write 'bool' 2019-05-14 09:47:46 -07:00
virtio
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visorbus
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vlynq
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vme
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w1 Char/Misc patches for 5.2-rc1 - part 2 2019-05-07 13:39:22 -07:00
watchdog linux-watchdog 5.2-rc1 tag 2019-05-13 09:20:42 -04:00
xen xen/privcmd-buf.c: convert to use vm_map_pages_zero() 2019-05-14 09:47:50 -07:00
zorro
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Kconfig
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Makefile
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