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Nick Hu 95a8ddde36 irqchip/riscv-aplic: Preserve APLIC states across suspend/resume 
The APLIC states might be reset when the platform enters a low power
state, but the register states are not being preserved and restored,
which prevents interrupt delivery after the platform resumes.
Solve this by adding a syscore ops and a power management notifier to
preserve and restore the APLIC states on suspend and resume.

[ tglx: Folded the build fix provided by Geert ]

Signed-off-by: Nick Hu <nick.hu@sifive.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Yong-Xuan Wang <yongxuan.wang@sifive.com>
Reviewed-by: Cyan Yang <cyan.yang@sifive.com>
Reviewed-by: Nutty Liu <liujingqi@lanxincomputing.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://patch.msgid.link/20251202-preserve-aplic-imsic-v3-2-1844fbf1fe92@sifive.com
2025-12-16 19:08:43 +01:00
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accel
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accessibility
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acpi
Merge tag 'platform-drivers-x86-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
2025-12-10 06:38:17 +09:00
amba
Merge tag 'soc-drivers-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2025-12-05 17:29:04 -08:00
android
Merge tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2025-12-06 18:34:24 -08:00
ata
Merge tag 'ata-6.19-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
2025-12-05 20:41:20 -08:00
atm
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auxdisplay
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base
Merge tag 'pm-6.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2025-12-10 06:29:40 +09:00
bcma
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block
Merge tag 'ceph-for-6.19-rc1' of https://github.com/ceph/ceph-client
2025-12-14 15:24:10 +12:00
bluetooth
Bluetooth: btusb: Add new VID/PID 13d3/3533 for RTL8821CE
2025-12-01 16:21:16 -05:00
bus
Merge tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2025-12-06 18:34:24 -08:00
cache
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cdrom
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cdx
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char
Merge tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2025-12-06 18:34:24 -08:00
clk
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2025-12-08 09:38:52 +09:00
clocksource
Merge tag 'soc-drivers-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2025-12-05 17:29:04 -08:00
comedi
Merge tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2025-12-06 18:34:24 -08:00
connector
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counter
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cpufreq
Merge tag 'driver-core-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
2025-12-05 21:29:02 -08:00
cpuidle
Merge tag 'soc-drivers-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2025-12-05 17:29:04 -08:00
crypto
Merge tag 'tsm-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm
2025-12-06 10:15:41 -08:00
cxl
Merge tag 'soc-drivers-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2025-12-05 17:47:59 -08:00
dax
Merge tag 'mm-stable-2025-12-03-21-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-12-05 13:52:43 -08:00
dca
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devfreq
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dibs
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dio
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dma
Merge tag 'dmaengine-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
2025-12-09 06:35:53 +09:00
dma-buf
Merge tag 'vfio-v6.19-rc1' of https://github.com/awilliam/linux-vfio
2025-12-04 18:42:48 -08:00
dpll
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edac
Merge tag 'bitmap-for-6.19' of github.com:/norov/linux
2025-12-06 09:01:27 -08:00
eisa
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extcon
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firewire
Merge tag 'firewire-updates-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
2025-12-04 12:26:36 -08:00
firmware
Merge tag 'loongarch-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
2025-12-13 05:44:03 +12:00
fpga
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fsi
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fwctl
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gnss
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gpib
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gpio
Merge tag 'gpio-fixes-for-v6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
2025-12-13 16:36:57 +12:00
gpu
Merge tag 'drm-fixes-2025-12-13' of https://gitlab.freedesktop.org/drm/kernel
2025-12-13 17:39:28 +12:00
greybus
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hid
Merge tag 'platform-drivers-x86-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
2025-12-10 06:38:17 +09:00
hsi
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hte
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hv
Merge tag 'hyperv-next-signed-20251207' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2025-12-09 06:10:17 +09:00
hwmon
Merge tag 'hwmon-for-v6.19-take-2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
2025-12-09 08:46:10 +09:00
hwspinlock
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hwtracing
Merge tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2025-12-06 18:34:24 -08:00
i2c
Merge tag 'i2c-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2025-12-10 07:48:05 +09:00
i3c
i3c: adi: Fix confusing cleanup.h syntax
2025-12-12 23:59:39 +01:00
idle
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iio
Merge tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2025-12-06 18:34:24 -08:00
infiniband
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2025-12-04 18:54:37 -08:00
input
Merge tag 'input-for-v6.19-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2025-12-10 16:44:18 +09:00
interconnect
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iommu
Merge tag 'tsm-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm
2025-12-06 10:15:41 -08:00
ipack
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irqchip
irqchip/riscv-aplic: Preserve APLIC states across suspend/resume
2025-12-16 19:08:43 +01:00
isdn
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leds
Merge tag 'soc-drivers-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2025-12-05 17:29:04 -08:00
macintosh
Merge tag 'soc-drivers-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2025-12-05 17:29:04 -08:00
mailbox
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mcb
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md
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2025-12-14 15:35:35 +12:00
media
Merge tag 'modules-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux
2025-12-06 08:27:07 -08:00
memory
Merge tag 'soc-drivers-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2025-12-05 17:29:04 -08:00
memstick
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message
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mfd
Merge tag 'mfd-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2025-12-04 15:18:33 -08:00
misc
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2025-12-14 15:35:35 +12:00
mmc
Merge tag 'mmc-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
2025-12-04 14:10:16 -08:00
most
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mtd
Merge tag 'ubifs-for-linus-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
2025-12-09 08:50:27 +09:00
mux
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net
Merge tag 'i3c/for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
2025-12-08 11:25:14 +09:00
nfc
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ntb
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nubus
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nvdimm
Merge tag 'libnvdimm-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2025-12-06 09:32:25 -08:00
nvme
Merge tag 'block-6.19-20251208' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
2025-12-09 08:53:24 +09:00
nvmem
Merge tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2025-12-06 18:34:24 -08:00
of
Merge tag 'soundwire-6.19-rc1_updated' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
2025-12-13 16:26:55 +12:00
opp
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parisc
Merge tag 'parisc-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
2025-12-06 16:24:52 -08:00
parport
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pci
Merge tag 'pci-v6.19-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
2025-12-13 16:29:22 +12:00
pcmcia
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peci
Merge tag 'char-misc-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2025-12-06 18:34:24 -08:00
perf
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
2025-12-02 17:03:55 -08:00
phy
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pinctrl
Merge tag 'pinctrl-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
2025-12-09 06:45:00 +09:00
platform
Merge tag 'platform-drivers-x86-v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
2025-12-10 06:38:17 +09:00
pmdomain
Merge tag 'pmdomain-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
2025-12-04 13:50:39 -08:00
pnp
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power
Merge tag 'soc-drivers-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2025-12-05 17:29:04 -08:00
powercap
Merge tag 'devicetree-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
2025-12-04 15:50:37 -08:00
pps
Merge tag 'printk-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
2025-12-03 12:42:36 -08:00
ps3
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ptp
Merge tag 'net-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2025-12-03 17:24:33 -08:00
pwm
Merge tag 'pwm/for-6.19-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
2025-12-13 16:41:50 +12:00
rapidio
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ras
Merge tag 'efi-next-for-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
2025-12-04 17:10:08 -08:00
regulator
Merge tag 'regulator-fix-v6.19-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
2025-12-11 09:54:59 +09:00
remoteproc
remoteproc: qcom_q6v5_wcss: use optional reset for wcss_q6_bcr_reset
2025-11-29 15:20:23 -06:00
resctrl
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reset
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2025-12-08 09:38:52 +09:00
rpmsg
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rtc
Merge tag 'rtc-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2025-12-13 17:09:06 +12:00
s390
s390: Unmap early KASAN shadow on memory offlining
2025-12-07 16:15:19 +01:00
sbus
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scsi
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2025-12-14 15:35:35 +12:00
sh
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siox
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slimbus
Merge tag 'net-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2025-12-03 17:24:33 -08:00
soc
irqchip: Add RZ/{T2H,N2H} Interrupt Controller (ICU) driver
2025-12-15 22:44:32 +01:00
soundwire
soundwire: intel_ace2x: handle multi BPT sections
2025-12-08 12:37:27 +05:30
spi
Merge tag 'spi-fix-v6.19-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2025-12-11 09:57:08 +09:00
spmi
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ssb
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staging
Merge tag 'staging-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
2025-12-06 18:52:00 -08:00
target
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2025-12-14 15:35:35 +12:00
tc
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tee
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thermal
Merge tag 'soc-drivers-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2025-12-05 17:29:04 -08:00
thunderbolt
Merge tag 'usb-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
2025-12-06 18:42:12 -08:00
tty
Merge tag 'tty-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2025-12-06 18:38:19 -08:00
ufs
scsi: ufs: qcom: Fix confusing cleanup.h syntax
2025-12-08 22:11:00 -05:00
uio
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usb
Merge tag 'usb-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
2025-12-06 18:42:12 -08:00
vdpa
Merge tag 'mm-stable-2025-12-03-21-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-12-05 13:52:43 -08:00
vfio
Merge tag 'drm-next-2025-12-05' of https://gitlab.freedesktop.org/drm/kernel
2025-12-04 19:42:53 -08:00
vhost
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2025-12-04 18:59:21 -08:00
video
Merge tag 'fbdev-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
2025-12-06 15:41:26 -08:00
virt
virt: Fix Kconfig warning when selecting TSM without VIRT_DRIVERS
2025-12-04 17:34:16 -08:00
virtio
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w1
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watchdog
Merge tag 'linux-watchdog-6.19-rc1' of git://www.linux-watchdog.org/linux-watchdog
2025-12-06 10:00:49 -08:00
xen
Merge tag 'for-linus-6.19-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2025-12-06 10:49:19 -08:00
zorro
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Kconfig
Merge tag 'staging-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
2025-12-06 18:52:00 -08:00
Makefile
Merge tag 'staging-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
2025-12-06 18:52:00 -08:00