QCLINUX: arm64: dts: qcom: lemans and monaco: Rework RTSS Mailbox DT to use syscon and staging overlays by sargarram7 · Pull Request #1042 · qualcomm-linux/kernel

sargarram7 · 2026-09-05T13:44:20Z

Target milestone: QLI-2.1

Summary

Backport of qualcomm-linux/kernel-topics#1768 to qcom-6.18.y for
QLI 2.1-RC

Reworks the RTSS Mailbox device-tree support on Lemans and Monaco to
address maintainers review feedback on the original design merged via
#675: syscon-based TCSR access, staging-overlay consolidation, and
removal of the standalone RTSS-only DTBOs.

Impact

Adds ipcc1-4 + syscon nodes to lemans.dtsi/monaco.dtsi (base DTB - always compiled in, no overlay needed).
Adds 3 reserved-memory regions to monaco.dtsi (also base DTB).
Adds rtss_mailbox node to lemans-staging.dtso/monaco-staging.dtso (*-staging.dtbo overlay - applied at FIT-assembly
time for configs that include the staging overlay, per the existing FIT config).
Removes lemans-rtss-mb.dtso/monaco-rtss-mb.dtso + Makefile entries.

Unchanged

No changes to any other subsystem/driver/DT node outside Impact files.

Tracking issue

qualcomm-linux/meta-qcom#3085

This PR dependency

None

Testing

Default bootup verified on lemans and Monaco targets with no regression.
After RTSS mailbox/staging DT overlay is applied, mailbox communication with RTSS and the CLI utilities were verified on both targets.

Change Request

CRs-Fixed: 4668089

RTSS Feature Enablement Exception

https://jira-dc.qualcomm.com/jira/browse/QLIJIRA-123

qswat-orbit-external · 2026-09-05T13:44:28Z

Merge Check Failed: CR Not Eligible for Merge

CR 4668089 is not eligible for merge.

The parent software image for kernel.qli.2.0 is not development complete.

Entity: kernel.qli.2.0
CR: 4668089
Reason: CR_CANNOT_MERGE

Please ensure the CR passes both CCT (ComponentChangeTasks) and ICT (Integration Change Tasks) validations.

sargarram7 · 2026-09-05T13:50:14Z

Dmitry Baryshkov (@lumag), Ricardo Salveti (@ricardosalveti), Nicolas Dechesne (@ndechesne), Viswanath Kraleti (@vkraleti), Komal Bajaj (@Komal-Bajaj) would you please review the changes.
This is the qcom-6.18.y backport of qualcomm-linux/kernel-topics#1768, required for the upcoming QLI-2.1 release. The PR description covers the background on why the original design (#675) is being reworked after 2.0 GA PRs feedback.
Appreciate your feedback.
Thank you.

sargarram7 · 2026-09-05T14:04:08Z

Merge Check Failed: CR Not Eligible for Merge

CR 4668089 is not eligible for merge.

The parent software image for kernel.qli.2.0 is not development complete.

Entity: kernel.qli.2.0 CR: 4668089 Reason: CR_CANNOT_MERGE

Please ensure the CR passes both CCT (ComponentChangeTasks) and ICT (Integration Change Tasks) validations.

done

qswat-orbit-external · 2026-09-05T14:06:26Z

Merge Check Failed: CR Not Eligible for Merge

CR 4668089 is not eligible for merge.

The parent software image for kernel.qli.2.0 is not development complete.

Entity: kernel.qli.2.0
CR: 4668089
Reason: CR_CANNOT_MERGE

Please ensure the CR passes both CCT (ComponentChangeTasks) and ICT (Integration Change Tasks) validations.

qswat-orbit-external · 2026-09-05T14:24:21Z

Merge Check Failed: CR Not Eligible for Merge

CR 4668091 is not eligible for merge.

The parent software image for kernel.qli.2.0 is not development complete.

Entity: kernel.qli.2.0
CR: 4668091
Reason: CR_CANNOT_MERGE

Please ensure the CR passes both CCT (ComponentChangeTasks) and ICT (Integration Change Tasks) validations.

Dmitry Baryshkov (lumag)

Don't spend time on backporting until the change is accepted into -next

…ee overlay" This reverts commit f9e0c59. The original overlay accessed the APSS TCSR mutex/status registers via direct memory-mapped reg ranges and shipped RTSS as a standalone lemans-rtss-mb.dtso overlay. Upstream review feedback on this design requires: - Accessing the TCSR registers via a syscon phandle instead of a direct reg-mapped node. - Folding the RTSS mailbox node into the shared lemans-staging.dtso overlay instead of a separate, RTSS-only DTBO. The following commits reintroduce this support using that syscon-based, staging-overlay design. Signed-off-by: Ram Sargar <rsargar@qti.qualcomm.com>

…ee overlay" This reverts commit 5c6149c. Same as the lemans overlay, the original Monaco overlay accessed the APSS TCSR mutex/status registers via direct memory-mapped reg ranges and shipped RTSS as a standalone monaco-rtss-mb.dtso overlay. Upstream review feedback on this design requires: - Accessing the TCSR registers via a syscon phandle instead of a direct reg-mapped node. - Folding the RTSS mailbox node into the shared monaco-staging.dtso overlay instead of a separate, RTSS-only DTBO. The following commits reintroduce this support using that syscon-based, staging-overlay design. Signed-off-by: Ram Sargar <rsargar@qti.qualcomm.com>

Add DT schema for the Qualcomm APSS Shared Memory Interrupt Notification Unit (apsshm-shared-intu) syscon block. This block is used to trigger doorbell interrupts that notify special event notifications to one or more subsystems such as RTSS. Signed-off-by: Ram Sargar <rsargar@qti.qualcomm.com> (cherry picked from commit bc4441b6380a5cba921bffa9d376d0aca754abc4)

Add the DT schema for the RTSS mailbox, which exposes a shared-memory and IPCC doorbell channel between the application processor and the RTSS subsystem, and manages the boot/suspend handshake with RTSS. Signed-off-by: Ram Sargar <rsargar@qti.qualcomm.com> (cherry picked from commit 746c85e2b945cda030f5f10041cc6d6643b3c740)

… Mailbox Add ipcc1-4 mailbox nodes, widen the tcsr syscon's reg range to cover both TCSR request/response registers, and add the apss_shared_ipc syscon node for the Lemans platform. These back the syscon/mbox phandle references used by the Lemans RTSS mailbox node (qcom,rtss-mailbox). Signed-off-by: Ram Sargar <rsargar@qti.qualcomm.com> (cherry picked from commit 495968715f30bf12e50ea71adf1b7db9ffd3c750)

Add the rtss_mailbox overlay node for the Lemans platform, using ipcc1-ipcc4 and the tcsr/apss_shared_ipc syscon nodes. Place it under &soc, alongside the other simple-bus child nodes in this file. Signed-off-by: Ram Sargar <rsargar@qti.qualcomm.com> (cherry picked from commit ffc450f489ed42d2c383ccd419c0757398ee8d23)

… for RTSS Mailbox Add ipcc1-4 mailbox nodes, widen the tcsr syscon's reg range to cover both TCSR request/response registers, and add the apss_shared_ipc syscon node for the Monaco platform. These back the syscon/mbox phandle references used by the Monaco RTSS mailbox node (qcom,rtss-mailbox). Reserve the memory regions used by the SAIL/RTSS subsystem for its TZ mailbox, shared-memory mailbox, and OTA buffer on Monaco. These regions back the memory-region references used by the Monaco RTSS mailbox node. Signed-off-by: Ram Sargar <rsargar@qti.qualcomm.com> (cherry picked from commit e8cda0f46a9713e3dc91280f8aff212b610f9311)

Add the rtss_mailbox overlay node for the Monaco platform, mirroring the Lemans RTSS mailbox node. Place it under &soc, alongside the other simple-bus child nodes in this file. Signed-off-by: Ram Sargar <rsargar@qti.qualcomm.com> (cherry picked from commit 3ae6ea8d823ba9fa2764b762323d9318921c52d1)

qswat-orbit-external · 2026-09-28T12:55:10Z

Merge Check Failed: CR Not Eligible for Merge

CR 4668068 is not eligible for merge.

The parent software image for kernel.qli.2.0 is not development complete.

Entity: kernel.qli.2.0
CR: 4668068
Reason: CR_CANNOT_MERGE

Please ensure the CR passes both CCT (ComponentChangeTasks) and ICT (Integration Change Tasks) validations.

sargarram7 · 2026-09-28T13:04:03Z

Thank you, Shiraz Hashim (@shashim-quic), for the quick approval.

Dmitry Baryshkov (@lumag), Ricardo Salveti (@ricardosalveti), Viswanath Kraleti (@vkraleti), Komal Bajaj (@Komal-Bajaj), could you please provide your approval as well to help unblock this PR?

qcomlnxci · 2026-09-28T15:02:13Z

Test Matrix

Test Case	hamoa-iot-evk-multimedia	lemans-evk-multimedia	monaco-evk-multimedia	purwa-iot-evk-multimedia	qcs615-ride-multimedia	qcs6490-rb3gen2-multimedia	qcs8300-ride-multimedia	qcs9100-ride-r3-multimedia	shikra-iqs-evk-multimedia
Audio_Card_Registration	✅ Pass	✅ Pass	✅ Pass	✅ Pass	⚠️ skip	✅ Pass	◻️	⚠️ skip	⚠️ skip
BT_FW_KMD_Service	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
BT_ON_OFF	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
BT_SCAN	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	❌ Fail
CPUFreq_Validation	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
CPU_affinity	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
DSP_AudioPD	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	⚠️ skip
Ethernet_Basic_Validation	⚠️ skip	✅ Pass	✅ Pass	⚠️ skip	⚠️ skip	⚠️ skip	◻️	⚠️ skip	⚠️ skip
Freq_Scaling	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	❌ Fail	◻️	✅ Pass	✅ Pass
GIC	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	❌ Fail	◻️	✅ Pass	❌ Fail
IPA	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
Interrupts	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
KVM_Driver	❌ Fail	✅ Pass	✅ Pass	❌ Fail	❌ Fail	✅ Pass	◻️	❌ Fail	❌ Fail
KVM_EL2_DTB	❌ Fail	✅ Pass	✅ Pass	❌ Fail	❌ Fail	✅ Pass	◻️	❌ Fail	❌ Fail
KVM_Infra	❌ Fail	✅ Pass	✅ Pass	❌ Fail	❌ Fail	✅ Pass	◻️	❌ Fail	❌ Fail
OpenCV	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
PCIe	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	❌ Fail
Probe_Failure_Check	❌ Fail	❌ Fail	❌ Fail	❌ Fail	❌ Fail	❌ Fail	◻️	❌ Fail	❌ Fail
RMNET	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
UFS_Validation	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	⚠️ skip
USBHost	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	⚠️ skip	◻️	✅ Pass	❌ Fail
WiFi_Firmware_Driver	✅ Pass	✅ Pass	❌ Fail	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
WiFi_OnOff	✅ Pass	✅ Pass	❌ Fail	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	⚠️ skip
adsp_remoteproc	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	⚠️ skip
cdsp_remoteproc	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	❌ Fail	◻️	✅ Pass	✅ Pass
gpdsp_remoteproc	⚠️ skip	✅ Pass	✅ Pass	⚠️ skip	⚠️ skip	⚠️ skip	◻️	✅ Pass	⚠️ skip
hotplug	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
irq	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
kaslr	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
pinctrl	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
qcom_hwrng	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	◻️
rngtest	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
shmbridge	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
smmu	❌ Fail	❌ Fail	✅ Pass	❌ Fail	❌ Fail	✅ Pass	◻️	❌ Fail	✅ Pass
watchdog	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass
wpss_remoteproc	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	✅ Pass	◻️	✅ Pass	✅ Pass

qcomlnxci · 2026-09-28T15:03:04Z

Test jobs on 9684110

Salendarsingh Gaud (sgaud-quic)

Crash on 8300-ride :
https://lava-oss.qualcomm.com/scheduler/job/244503

[    2.092471][    T1] Internal error: synchronous external abort: 0000000096000010 [#1]  SMP
[    2.100952][    T1] Modules linked in:
[    2.104806][    T1] CPU: 3 UID: 0 PID: 1 Comm: swapper/0 Tainted: G S M                6.18.44-g96841104b8c7 #1 PREEMPT 
[    2.115956][    T1] Tainted: [S]=CPU_OUT_OF_SPEC, [M]=MACHINE_CHECK
[    2.122389][    T1] Hardware name: Qualcomm Technologies, Inc. QCS8300 Ride (DT)
[    2.129973][    T1] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    2.137823][    T1] pc : qcom_ipcc_probe+0x84/0x410
[    2.142838][    T1] lr : qcom_ipcc_probe+0x68/0x410
[    2.147848][    T1] sp : ffff800082c3b840
[    2.151964][    T1] x29: ffff800082c3b8b0 x28: ffff80008260b010 x27: ffff800081add260
[    2.159994][    T1] x26: ffff000a01c32810 x25: ffff000a017b1c10 x24: ffff000efe83c500
[    2.168023][    T1] x23: 0000000000000000 x22: ffff000a01c38280 x21: ffff800080b0cd4c
[    2.176052][    T1] x20: ffff000a01c32800 x19: ffff800082c55008 x18: 00000000ffffffff
[    2.184082][    T1] x17: ffff000a00361a00 x16: ffff000a00361400 x15: ffff800082c3b570
[    2.192110][    T1] x14: 0000000000000000 x13: ffff000a00f30498 x12: 0000000000000000
[    2.200140][    T1] x11: ffff800082c55fff x10: fffffffffffff000 x9 : ffff80008127f434
[    2.208169][    T1] x8 : ffff800082c3b648 x7 : 0000000000000000 x6 : 0000000000000001
[    2.216199][    T1] x5 : ffff80008260b000 x4 : ffff80008260b310 x3 : 0000000000000000
[    2.224229][    T1] x2 : ffff000a00908040 x1 : ffff000a00908040 x0 : ffff800082c55000
[    2.232259][    T1] Call trace:
[    2.235484][    T1]  qcom_ipcc_probe+0x84/0x410 (P)
[    2.240494][    T1]  platform_probe+0x64/0xa8
[    2.244970][    T1]  really_probe+0xc8/0x3a0
[    2.249356][    T1]  __driver_probe_device+0x8c/0x1b0
[    2.254545][    T1]  driver_probe_device+0x44/0x120
[    2.259554][    T1]  __device_attach_driver+0xc4/0x168
[    2.264831][    T1]  bus_for_each_drv+0x90/0xf8
[    2.269484][    T1]  __device_attach+0xa8/0x1c8
[    2.274136][    T1]  device_initial_probe+0x1c/0x30
[    2.279145][    T1]  bus_probe_device+0xb4/0xc0
[    2.283797][    T1]  device_add+0x500/0x718
[    2.288092][    T1]  of_device_add+0x4c/0x70
[    2.292480][    T1]  of_platform_device_create_pdata+0x9c/0x158
[    2.298558][    T1]  of_platform_bus_create+0x194/0x380
[    2.303924][    T1]  of_platform_bus_create+0x1f8/0x380
[    2.309290][    T1]  of_platform_populate+0x84/0x170
[    2.314388][    T1]  of_platform_default_populate_init+0xf8/0x118
[    2.320647][    T1]  do_one_initcall+0x60/0x2c0
[    2.325301][    T1]  do_initcalls+0xfc/0x1f8
[    2.329687][    T1]  kernel_init_freeable+0x13c/0x298
[    2.334875][    T1]  kernel_init+0x2c/0x1f8
[    2.339173][    T1]  ret_from_fork+0x10/0x20
[    2.343561][    T1] Code: 54000f68 91002013 a90a63f7 d503201f (b9400277) 
[    2.350532][    T1] ---[ end trace 0000000000000000 ]---
[    2.355987][    T1] Kernel panic - not syncing: synchronous external abort: Fatal exception
[    2.364551][    T1] SMP: stopping secondary CPUs
[    2.369473][    T1] Reboot failed -- System halted

sargarram7 · 2026-09-28T16:24:29Z

Crash on 8300-ride : https://lava-oss.qualcomm.com/scheduler/job/244503

[    2.092471][    T1] Internal error: synchronous external abort: 0000000096000010 [#1]  SMP
[    2.100952][    T1] Modules linked in:
[    2.104806][    T1] CPU: 3 UID: 0 PID: 1 Comm: swapper/0 Tainted: G S M                6.18.44-g96841104b8c7 #1 PREEMPT 
[    2.115956][    T1] Tainted: [S]=CPU_OUT_OF_SPEC, [M]=MACHINE_CHECK
[    2.122389][    T1] Hardware name: Qualcomm Technologies, Inc. QCS8300 Ride (DT)
[    2.129973][    T1] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    2.137823][    T1] pc : qcom_ipcc_probe+0x84/0x410
[    2.142838][    T1] lr : qcom_ipcc_probe+0x68/0x410
[    2.147848][    T1] sp : ffff800082c3b840
[    2.151964][    T1] x29: ffff800082c3b8b0 x28: ffff80008260b010 x27: ffff800081add260
[    2.159994][    T1] x26: ffff000a01c32810 x25: ffff000a017b1c10 x24: ffff000efe83c500
[    2.168023][    T1] x23: 0000000000000000 x22: ffff000a01c38280 x21: ffff800080b0cd4c
[    2.176052][    T1] x20: ffff000a01c32800 x19: ffff800082c55008 x18: 00000000ffffffff
[    2.184082][    T1] x17: ffff000a00361a00 x16: ffff000a00361400 x15: ffff800082c3b570
[    2.192110][    T1] x14: 0000000000000000 x13: ffff000a00f30498 x12: 0000000000000000
[    2.200140][    T1] x11: ffff800082c55fff x10: fffffffffffff000 x9 : ffff80008127f434
[    2.208169][    T1] x8 : ffff800082c3b648 x7 : 0000000000000000 x6 : 0000000000000001
[    2.216199][    T1] x5 : ffff80008260b000 x4 : ffff80008260b310 x3 : 0000000000000000
[    2.224229][    T1] x2 : ffff000a00908040 x1 : ffff000a00908040 x0 : ffff800082c55000
[    2.232259][    T1] Call trace:
[    2.235484][    T1]  qcom_ipcc_probe+0x84/0x410 (P)
[    2.240494][    T1]  platform_probe+0x64/0xa8
[    2.244970][    T1]  really_probe+0xc8/0x3a0
[    2.249356][    T1]  __driver_probe_device+0x8c/0x1b0
[    2.254545][    T1]  driver_probe_device+0x44/0x120
[    2.259554][    T1]  __device_attach_driver+0xc4/0x168
[    2.264831][    T1]  bus_for_each_drv+0x90/0xf8
[    2.269484][    T1]  __device_attach+0xa8/0x1c8
[    2.274136][    T1]  device_initial_probe+0x1c/0x30
[    2.279145][    T1]  bus_probe_device+0xb4/0xc0
[    2.283797][    T1]  device_add+0x500/0x718
[    2.288092][    T1]  of_device_add+0x4c/0x70
[    2.292480][    T1]  of_platform_device_create_pdata+0x9c/0x158
[    2.298558][    T1]  of_platform_bus_create+0x194/0x380
[    2.303924][    T1]  of_platform_bus_create+0x1f8/0x380
[    2.309290][    T1]  of_platform_populate+0x84/0x170
[    2.314388][    T1]  of_platform_default_populate_init+0xf8/0x118
[    2.320647][    T1]  do_one_initcall+0x60/0x2c0
[    2.325301][    T1]  do_initcalls+0xfc/0x1f8
[    2.329687][    T1]  kernel_init_freeable+0x13c/0x298
[    2.334875][    T1]  kernel_init+0x2c/0x1f8
[    2.339173][    T1]  ret_from_fork+0x10/0x20
[    2.343561][    T1] Code: 54000f68 91002013 a90a63f7 d503201f (b9400277) 
[    2.350532][    T1] ---[ end trace 0000000000000000 ]---
[    2.355987][    T1] Kernel panic - not syncing: synchronous external abort: Fatal exception
[    2.364551][    T1] SMP: stopping secondary CPUs
[    2.369473][    T1] Reboot failed -- System halted

let me check Salendarsingh Gaud (@sgaud-quic).

sargarram7 · 2026-09-28T17:21:37Z

Crash on 8300-ride : https://lava-oss.qualcomm.com/scheduler/job/244503

[    2.092471][    T1] Internal error: synchronous external abort: 0000000096000010 [#1]  SMP
[    2.100952][    T1] Modules linked in:
[    2.104806][    T1] CPU: 3 UID: 0 PID: 1 Comm: swapper/0 Tainted: G S M                6.18.44-g96841104b8c7 #1 PREEMPT 
[    2.115956][    T1] Tainted: [S]=CPU_OUT_OF_SPEC, [M]=MACHINE_CHECK
[    2.122389][    T1] Hardware name: Qualcomm Technologies, Inc. QCS8300 Ride (DT)
[    2.129973][    T1] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    2.137823][    T1] pc : qcom_ipcc_probe+0x84/0x410
[    2.142838][    T1] lr : qcom_ipcc_probe+0x68/0x410
[    2.147848][    T1] sp : ffff800082c3b840
[    2.151964][    T1] x29: ffff800082c3b8b0 x28: ffff80008260b010 x27: ffff800081add260
[    2.159994][    T1] x26: ffff000a01c32810 x25: ffff000a017b1c10 x24: ffff000efe83c500
[    2.168023][    T1] x23: 0000000000000000 x22: ffff000a01c38280 x21: ffff800080b0cd4c
[    2.176052][    T1] x20: ffff000a01c32800 x19: ffff800082c55008 x18: 00000000ffffffff
[    2.184082][    T1] x17: ffff000a00361a00 x16: ffff000a00361400 x15: ffff800082c3b570
[    2.192110][    T1] x14: 0000000000000000 x13: ffff000a00f30498 x12: 0000000000000000
[    2.200140][    T1] x11: ffff800082c55fff x10: fffffffffffff000 x9 : ffff80008127f434
[    2.208169][    T1] x8 : ffff800082c3b648 x7 : 0000000000000000 x6 : 0000000000000001
[    2.216199][    T1] x5 : ffff80008260b000 x4 : ffff80008260b310 x3 : 0000000000000000
[    2.224229][    T1] x2 : ffff000a00908040 x1 : ffff000a00908040 x0 : ffff800082c55000
[    2.232259][    T1] Call trace:
[    2.235484][    T1]  qcom_ipcc_probe+0x84/0x410 (P)
[    2.240494][    T1]  platform_probe+0x64/0xa8
[    2.244970][    T1]  really_probe+0xc8/0x3a0
[    2.249356][    T1]  __driver_probe_device+0x8c/0x1b0
[    2.254545][    T1]  driver_probe_device+0x44/0x120
[    2.259554][    T1]  __device_attach_driver+0xc4/0x168
[    2.264831][    T1]  bus_for_each_drv+0x90/0xf8
[    2.269484][    T1]  __device_attach+0xa8/0x1c8
[    2.274136][    T1]  device_initial_probe+0x1c/0x30
[    2.279145][    T1]  bus_probe_device+0xb4/0xc0
[    2.283797][    T1]  device_add+0x500/0x718
[    2.288092][    T1]  of_device_add+0x4c/0x70
[    2.292480][    T1]  of_platform_device_create_pdata+0x9c/0x158
[    2.298558][    T1]  of_platform_bus_create+0x194/0x380
[    2.303924][    T1]  of_platform_bus_create+0x1f8/0x380
[    2.309290][    T1]  of_platform_populate+0x84/0x170
[    2.314388][    T1]  of_platform_default_populate_init+0xf8/0x118
[    2.320647][    T1]  do_one_initcall+0x60/0x2c0
[    2.325301][    T1]  do_initcalls+0xfc/0x1f8
[    2.329687][    T1]  kernel_init_freeable+0x13c/0x298
[    2.334875][    T1]  kernel_init+0x2c/0x1f8
[    2.339173][    T1]  ret_from_fork+0x10/0x20
[    2.343561][    T1] Code: 54000f68 91002013 a90a63f7 d503201f (b9400277) 
[    2.350532][    T1] ---[ end trace 0000000000000000 ]---
[    2.355987][    T1] Kernel panic - not syncing: synchronous external abort: Fatal exception
[    2.364551][    T1] SMP: stopping secondary CPUs
[    2.369473][    T1] Reboot failed -- System halted

let me check Salendarsingh Gaud (Salendarsingh Gaud (@sgaud-quic)).

IQ8 - NHLOS AC policy update is missing, we can hold on until further update

sargarram7 requested review from a team, Shivendra Pratap (quicAspratap), Ricardo Salveti (ricardosalveti) and yijiyang September 5, 2026 13:44

Dmitry Baryshkov (lumag) requested changes Sep 7, 2026

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sargarram7 added 8 commits September 28, 2026 18:08

sargarram7 force-pushed the feature/rtss branch from 81fbcfc to 9684110 Compare September 28, 2026 12:46

qcomlnxci requested a review from a team September 28, 2026 12:47

Shiraz Hashim (shashim-quic) approved these changes Sep 28, 2026

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Salendarsingh Gaud (sgaud-quic) requested changes Sep 28, 2026

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QCLINUX: arm64: dts: qcom: lemans and monaco: Rework RTSS Mailbox DT to use syscon and staging overlays - #1042

QCLINUX: arm64: dts: qcom: lemans and monaco: Rework RTSS Mailbox DT to use syscon and staging overlays#1042
sargarram7 wants to merge 8 commits into
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sargarram7 commented Sep 5, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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Target milestone: QLI-2.1

Summary

Impact

Unchanged

Tracking issue

This PR dependency

Testing

Change Request

RTSS Feature Enablement Exception

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Test Matrix

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Test jobs on 9684110

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sargarram7 commented Sep 5, 2026 •

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