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Philipp Rosenberger b9ac079abe rtc: pcf2127: Disable Power-On Reset Override 
To resume normal operation after a total power loss (no or empty
battery) the "Power-On Reset Override (PORO)" facility needs to be
disabled.

The register reset value sets the PORO enabled and the data sheet
recommends setting it to disabled for normal operation.

From what I've seen on the PCF2127 and PCF2129 there is no event
generated at the interrupt pin (INT), as long the PORO bit is set. This
behavior is not documented in the manual.

Signed-off-by: Philipp Rosenberger <p.rosenberger@kunbus.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210118085752.5759-2-p.rosenberger@kunbus.com
2021-01-26 00:26:16 +01:00
..
accessibility
acpi libnvdimm for 5.11 2020-12-24 12:18:11 -08:00
amba
android Merge branch 'exec-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2020-12-15 19:29:43 -08:00
ata
atm
auxdisplay
base Power management updates for 5.11-rc1 2020-12-15 16:30:31 -08:00
bcma
block block-5.11-2020-12-23 2020-12-24 12:28:35 -08:00
bluetooth
bus ARM: SoC drivers for v5.11 2020-12-16 16:38:41 -08:00
cdrom cdrom: Reset sector_size back it is not 2048. 2020-12-12 11:12:25 -07:00
char UAPI Changes: 2020-12-18 12:38:28 -08:00
clk The core framework got some nice improvements this time around. We gained the 2020-12-21 10:39:37 -08:00
clocksource asm-generic: cross-architecture timer cleanup 2020-12-16 00:07:17 -08:00
connector net/connector: Add const qualifier to cb_id 2020-12-16 11:06:49 -08:00
counter
cpufreq Merge branch 'pm-cpufreq' 2020-12-22 17:59:11 +01:00
cpuidle ARM: SoC drivers for v5.11 2020-12-16 16:38:41 -08:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2020-12-27 09:14:32 -08:00
dax libnvdimm for 5.11 2020-12-24 12:18:11 -08:00
dca
devfreq Merge branches 'pm-devfreq' and 'pm-tools' 2020-12-15 15:27:16 +01:00
dio
dma dmaengine updates for v5.11-rc1 2020-12-17 12:52:23 -08:00
dma-buf drm fixes for 5.11-rc1 2020-12-24 12:14:29 -08:00
edac Merge branch 'akpm' (patches from Andrew) 2020-12-15 12:53:37 -08:00
eisa
extcon
firewire
firmware EFI updates collected by Ard Biesheuvel: 2020-12-24 12:40:07 -08:00
fpga
fsi hwmon patches for v5.11 2020-12-15 16:06:14 -08:00
gnss
gpio This is the bulk of the GPIO changes for the v5.11 kernel cycle: 2020-12-17 18:07:20 -08:00
gpu drm/amd/display: avoid uninitialized variable warning 2020-12-25 15:41:13 -08:00
greybus
hid Merge branch 'for-5.11/wacom' into for-linus 2020-12-16 11:44:38 +01:00
hsi
hv hyperv-next for 5.11 2020-12-16 11:49:46 -08:00
hwmon hwmon: (k10temp) Remove support for displaying voltage and current on Zen CPUs 2020-12-22 08:18:36 -08:00
hwspinlock
hwtracing Char / Misc driver updates for 5.11-rc1 2020-12-15 14:10:09 -08:00
i2c Power management updates for 5.11-rc1 2020-12-15 16:30:31 -08:00
i3c i3c/master/mipi-i3c-hci: quiet maybe-unused variable warning 2020-12-17 10:31:30 +01:00
ide for-5.11/block-2020-12-14 2020-12-16 12:57:51 -08:00
idle
iio Staging / IIO driver patches for 5.11-rc1 2020-12-15 14:18:40 -08:00
infiniband block/rnbd-clt: Does not request pdu to rtrs-clt 2020-12-16 14:56:09 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2020-12-15 16:18:23 -08:00
interconnect ARM: device tree updates for 5.11 2020-12-16 16:27:35 -08:00
iommu IOMMU updates for 5.11 2020-12-16 13:58:47 -08:00
ipack
irqchip ARM: 2020-12-20 10:44:05 -08:00
isdn
leds
lightnvm
macintosh
mailbox
mcb
md block-5.11-2020-12-23 2020-12-24 12:28:35 -08:00
media ARM: SoC drivers for v5.11 2020-12-16 16:38:41 -08:00
memory
memstick
message SCSI misc on 20201216 2020-12-16 13:34:31 -08:00
mfd mfd: ab8500-debugfs: Remove extraneous seq_putc 2020-12-26 09:19:49 -08:00
misc powerpc updates for 5.11 2020-12-17 13:34:25 -08:00
mmc MMC core: 2020-12-15 15:57:25 -08:00
most
mtd This pull request contains changes for JFFS2, UBI and UBIFS: 2020-12-17 17:46:34 -08:00
mux
net A treewide cleanup of interrupt descriptor (ab)use with all sorts of racy 2020-12-24 13:50:23 -08:00
nfc nfc: s3fwrn5: Remove unused NCI prop commands 2020-12-16 13:09:35 -08:00
ntb Big fix for IDT NTB and Intel NTB LTR management support 2020-12-27 09:22:55 -08:00
nubus
nvdimm libnvdimm/label: Return -ENXIO for no slot in __blk_label_update 2020-12-16 16:53:00 -08:00
nvme RDMA 5.11 pull request 2020-12-16 13:42:26 -08:00
nvmem
of Driver core updates for 5.11-rc1 2020-12-15 14:02:26 -08:00
opp Merge branch 'pm-cpufreq' 2020-12-15 15:24:52 +01:00
oprofile
parisc
parport
pci pci-v5.11-fixes-1 2020-12-25 20:17:40 -08:00
pcmcia Merge branch 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux 2020-12-19 12:50:10 -08:00
perf
phy Char / Misc driver updates for 5.11-rc1 2020-12-15 14:10:09 -08:00
pinctrl A treewide cleanup of interrupt descriptor (ab)use with all sorts of racy 2020-12-24 13:50:23 -08:00
platform chrome platform changes for 5.11 2020-12-23 15:06:22 -08:00
pnp
power power: supply: Fix a typo in warning message 2020-12-13 01:00:10 +01:00
powercap Merge branches 'pm-sleep', 'pm-acpi', 'pm-domains' and 'powercap' 2020-12-15 15:26:14 +01:00
pps
ps3 powerpc/ps3: use dma_mapping_error() 2020-12-15 22:50:12 +11:00
ptp
pwm pwm: Changes for v5.11-rc1 2020-12-19 11:51:32 -08:00
rapidio rapidio: remove unused rio_get_asm() and rio_get_device() 2020-12-15 22:46:18 -08:00
ras
regulator
remoteproc ARM: SoC drivers for v5.11 2020-12-16 16:38:41 -08:00
reset ARM: SoC drivers for v5.11 2020-12-16 16:38:41 -08:00
rpmsg
rtc rtc: pcf2127: Disable Power-On Reset Override 2021-01-26 00:26:16 +01:00
s390 block-5.11-2020-12-23 2020-12-24 12:28:35 -08:00
sbus
scsi powerpc updates for 5.11 2020-12-17 13:34:25 -08:00
sfi
sh
siox
slimbus
soc OpenRISC updates for 5.11 2020-12-17 13:41:27 -08:00
soundwire
spi Merge remote-tracking branch 'spi/for-5.11' into spi-next 2020-12-11 17:49:01 +00:00
spmi
ssb
staging UAPI Changes: 2020-12-18 12:38:28 -08:00
target SCSI misc on 20201216 2020-12-16 13:34:31 -08:00
tc
tee ARM: SoC drivers for v5.11 2020-12-16 16:38:41 -08:00
thermal - Add Alder Lake support ACPI ids (Srinivas Pandruvada) 2020-12-18 12:19:37 -08:00
thunderbolt
tty OpenRISC updates for 5.11 2020-12-17 13:41:27 -08:00
uio
usb powerpc updates for 5.11 2020-12-17 13:34:25 -08:00
vdpa virtio,vdpa: features, cleanups, fixes 2020-12-24 12:06:46 -08:00
vfio ARM: 2020-12-20 10:44:05 -08:00
vhost virtio,vdpa: features, cleanups, fixes 2020-12-24 12:06:46 -08:00
video UAPI Changes: 2020-12-18 12:38:28 -08:00
virt
virtio virtio,vdpa: features, cleanups, fixes 2020-12-24 12:06:46 -08:00
visorbus
vlynq
vme
w1
watchdog linux-watchdog 5.11-rc1 tag 2020-12-23 15:01:49 -08:00
xen A treewide cleanup of interrupt descriptor (ab)use with all sorts of racy 2020-12-24 13:50:23 -08:00
zorro
Kconfig
Makefile asm-generic: cross-architecture timer cleanup 2020-12-16 00:07:17 -08:00