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kernel/configs/apple-16k/config: CONFIG_DRM_APPLE_G5P=y These options provide g5p and its Kconfig dependencies on both page sizes. Assisted-by: LLM
kernel/configs/apple-16k/config: CONFIG_APPLE_AOP_GYRO=m CONFIG_APPLE_AOP_PRESSURE=m These options provide aop and its Kconfig dependencies on both page sizes. Assisted-by: LLM
kernel/configs/apple-16k/config: # CONFIG_NVME_APPLE_ANS_EARLY_USB is not set These options provide warm-storage and its Kconfig dependencies on both page sizes. kernel/configs/apple-4k/config: # CONFIG_NVME_APPLE_ANS_EARLY_USB is not set These options provide warm-storage and its Kconfig dependencies on both page sizes. Assisted-by: LLM
Assisted-by: LLM
Assisted-by: LLM
Assisted-by: LLM
kernel/configs/apple-16k/config: CONFIG_APPLE_AOP_GYRO=m CONFIG_APPLE_AOP_PRESSURE=m These options provide aop and its Kconfig dependencies on both page sizes. Assisted-by: LLM
Assisted-by: LLM
kernel/configs/apple-16k/config: # CONFIG_NVME_APPLE_ANS_EARLY_USB is not set These options provide warm-storage and its Kconfig dependencies on both page sizes. kernel/configs/apple-4k/config: # CONFIG_NVME_APPLE_ANS_EARLY_USB is not set These options provide warm-storage and its Kconfig dependencies on both page sizes. Assisted-by: LLM
Assisted-by: LLM
Assisted-by: LLM
Assisted-by: LLM
Assisted-by: LLM
Bring this branch onto current main. The merge keeps the other side's tree; the next commit carries the reworked version of this branch's change.
A7-A9 have no EL2 and boot without any PSCI firmware, so Linux on an iPad 5 could not bring secondary CPUs down and up again, and a kexec had nowhere to park them. CPU hotplug, kexec and a clean poweroff all need a PSCI implementation that stays resident after m1n1 hands over. Carry m1n1 patches that keep a small EL3 PSCI implementation resident: CPU_ON/CPU_OFF with a firmware rendezvous (EL1 WFI/WFE trap to EL3), SYSTEM_OFF, and a guarded SYSTEM_RESET that boots the default entry again. The loader marks retained hardware in the device tree after a PSCI re-entry. The resident PSCI is on by default on these SoCs; the shipped boot framing keeps psci_reset=0, so SYSTEM_RESET stays off unless a loader enables it. Adds boot/m1n1/psci-loader and its tests. Assisted-by: LLM
Bring this branch onto current main and the series it depends on. The merge keeps the other side's tree; the next commit carries the reworked version of this branch's change.
The A9 AOP hosts the accelerometer, gyroscope, pressure and ambient-light sensors. Its firmware needs boot arguments and per-device calibration that m1n1 did not pass on S8003, and a reloaded AOP (after kexec or sleep) lost its sensor firmware state, so the sensors did not come back. m1n1 passes the A9 AOP boot arguments and sensor calibration. The kernel selects a certified AOP reload path through device-tree match data (bindings, DT, mailbox, pmdomain, IIO and AOP driver patches), keeps the AOP power domain and firmware state for that reload, and refuses a suspend that would interrupt the firmware's boot. The J71t firmware recipe gains the AOP pieces, the gyroscope and pressure drivers are enabled, and J71t's accelerometer and gyroscope move from missing to working, and its light sensor from untested to working. Assisted-by: LLM
Bring this branch onto current main and the series it depends on. The merge keeps the other side's tree; the next commit carries the reworked version of this branch's change.
The TriStar charger subscribed to the PMU's RTC event 16 for source identification. An acknowledgement there could take the RTC's wake event, and the polled cover inputs had no driver enabled. Give RTC event 16 to the RTC alone and keep the PMU and RTC event split (DT, RTC and USB patches), so one consumer's acknowledgement cannot take the other's wake event. Enable KEYBOARD_GPIO_POLLED for the polled cover inputs. Assisted-by: LLM
Bring this branch onto current main and the series it depends on. The merge keeps the other side's tree; the next commit carries the reworked version of this branch's change.
On J71t the NVMe controller (ANS) sits behind the H9P PCIe port, and resetting that port loses the controller until a cold boot. A kexec therefore has to hand over a stopped but powered ANS, with its DART translations retained, or the next kernel loses its root filesystem. The first version of this handoff panicked when a step failed, which with panic=0 is an indefinite hang. Keep the certified ANS kexec handoff: DT and bindings describe it, the DART, H9P and NVMe drivers stop queues and translations in order and the next kernel picks them up, and core/printk export what the modules need. Every failure on the outgoing side now ends in a native cold reset through apple_cold_reset() instead of a panic, with explicit returns after it. The port is handed over powered, with PERST# asserted and the link stopped, and the incoming kernel brings it up with the cold-boot sequence (port power cycle, NVMe mode, port enable, then link training). Retraining the powered port by PERST# alone, as iOS never does, left the root port in Detect.Quiet and cost a timeout on every warm boot. Assisted-by: LLM
Bring this branch onto current main and the series it depends on. The merge keeps the other side's tree; the next commit carries the reworked version of this branch's change.
After a kexec the next kernel found the S8000 GPIO controller with interrupt modes armed by the previous kernel, the PIO SPI controller with queued transfers and an asserted chip select, and the touch controller still running. An orphaned GPIO interrupt fires forever and touch did not come back. Retire inherited GPIO interrupt modes before the chained parent interrupts are enabled, drain and idle the S8000 PIO SPI controller on shutdown and at probe, and stop the Apple Z2 touch controller before its SPI parent shuts down. Assisted-by: LLM
Bring this branch onto current main and the series it depends on. The merge keeps the other side's tree; the next commit carries the reworked version of this branch's change.
A Mac grants an iPad more than the standard USB current, but the charger took the gadget's reported budget unchecked and the composite gadget could draw the extra current while the bus was suspended. Cap and log the USB host budget in the TriStar charger, draw no extra Apple current while suspended, and let the initramfs and orchard USB helpers opt J71t into the Mac current profile. Documented in docs/bring-up/charging/j71t-mac-current.md, with tests. Assisted-by: LLM
Bring this branch onto current main and the series it depends on. The merge keeps the other side's tree; the next commit carries the reworked version of this branch's change.
The USB serial number changed between installed boots and RAM sessions, so the host saw a new device every boot and could not keep its SSH known_hosts entry or serial console name. Share one BOARD/hashed-ID serial format between installed boots and RAM sessions (usb-identity), and get the per-boot SSH identity through the existing ACM console. Documented in docs/device-protocol.md, with tests. Assisted-by: LLM
Bring this branch onto current main and the series it depends on. The merge keeps the other side's tree; the next commit carries the reworked version of this branch's change.
A warm restart through kexec needs the next kernel to see the pristine device tree from boot, the pstore region, the display state and the power domains that must not be cut while the next kernel starts. DT, OF, DRM, pmdomain and pstore patches retain the board-selected warm handoff state, so probe and shutdown keep what the next kernel needs: the pristine boot device tree, the pstore region, the display state and the Apple pmgr warm hold. The Orchard service file learns the retained state. Assisted-by: LLM
On a tethered J71t boot a restart must be a native cold reset, but the watchdog's restart handler ran below PSCI's, and its restart guard dereferenced a parent that probe never set. Describe J71t's tethered boot in DT. On such a board the watchdog restart handler registers above PSCI and performs the native cold reset; in the warm and soft modes it leaves the watchdog alone and returns success, so PSCI's restart runs. Probe sets the parent before registering, and the restart callback tolerates a missing one. Other devices keep the current priority. Assisted-by: LLM
Suspend on J71t lost the NVMe controller (its port must keep power and refclk), the DART translations, the USB gadget link and Wi-Fi after resume, and drivers could only refuse sleep after the filesystems had been synced. Add a driver admission step and a precheck notifier before sync to the PM core, with a suspend_ready report. Pair suspend to idle with retained ANS power in the H9P driver, stop and rebuild the ANS DART and NVMe controller around sleep, keep the dwc2 gadget connected, stop the VXD firmware, and keep Wi-Fi down when its link is lost. The PMIC GPIO driver refuses sleep when it cannot program the wake mask, the charger uses J71t's plug event as a wake source, and the J71t DT enables paired sleep, the s2idle gadget and charger wake. On restart and poweroff, NVMe stops the Apple ANS as it does before a kexec, and the H9P driver hands the S8003 ports off in the same powered state; these two patches sit here because they build on this topic's H9P and NVMe sleep code. Assisted-by: LLM
henrikklee
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Nov 12, 2026
The Smart Cover hall sensors (PMIC GPIO 0 and 10) cannot be interrupt consumers while awake: unmasked, every change of the magnet field holds the PMU line. The D2365 driver now takes a list of wake-only events, keeps them masked while awake and arms them only for a sleep, so opening the cover wakes the iPad. A failed write of the sleep mask now refuses the suspend instead of sleeping with the wrong events armed. From orchard PR OrchardLinux#118 (commit e8b5e4b) and the D2365 part of PR OrchardLinux#117 (commit 40a8b18), folded into one driver patch without the diagnostic logging; the device tree part moved from the J71t board file to the shared iPad 5 file, so all four iPad 5 models get it. Boards without apple,wake-events behave as before.
henrikklee
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Nov 12, 2026
The VXD video decoder of the S8000/S8003 (A9) and T8010 (A10) also decodes HEVC (H.265). Add a stateless HEVC decoder beside the H.264 one, with the per-SoC values Apple's driver uses. H.264 stays the first and default format; HEVC shows up as a second one. From orchard PR OrchardLinux#121 (commit 4016f5e): patches 0008-0011 there, the last two adapted to main, which does not carry the VXD sleep changes of PR OrchardLinux#117. The kexec firmware-stop patch (0012 there) belongs to the warm restart topic and is not part of this one.
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Part 10 of 23 of the iPad 5 (J71t) series in this repository; merge after #116.
Problem
Suspend on J71t lost the NVMe controller (its port must keep power and refclk), the DART translations, the USB gadget link and Wi-Fi after resume, and drivers could only refuse sleep after the filesystems had been synced.
Change
Add a driver admission step and a precheck notifier before sync to the PM core, with a
suspend_readyreport. Pair suspend to idle with retained ANS power in the H9P driver, stop and rebuild the ANS DART and NVMe controller around sleep, keep the dwc2 gadget connected, stop the VXD firmware, and keep Wi-Fi down when its link is lost. The PMIC GPIO driver refuses sleep when it cannot program the wake mask, the charger uses J71t's plug event as a wake source, and the J71t DT enables paired sleep, the s2idle gadget and charger wake. On restart and poweroff, NVMe stops the Apple ANS as it does before a kexec, and the H9P driver hands the S8003 ports off in the same powered state; these two patches sit here because they build on this topic's H9P and NVMe sleep code.Testing
Dependencies
Depends on #116.
This branch is stacked on the PRs it depends on and carries their commits; the change of this PR is its last commit, "j71t: Suspend to idle with retained ANS power and early driver admission".
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