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structures to align with other TEE drivers
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Merge tag 'amdtee-for-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/jenswi/linux-tee into soc/drivers
AMD-TEE update for 7.2
Store buffer ID in tee_shm->sec_world_id and remove internal tracking
structures to align with other TEE drivers
* tag 'amdtee-for-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/jenswi/linux-tee:
tee: amdtee: store buffer ID in tee_shm->sec_world_id
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
1. The FF-A core is moved onto the driver model by reverting the earlier
rootfs initcall change and registering the core as a platform driver with
a synthetic arm-ffa platform device. Enumerated FF-A devices are now
parented below the FF-A core device, and probing is deferred until pKVM
has completed its FF-A proxy initialisation.
2. The platform-driver conversion is also adjusted so systems without FF-A
support treat early unsupported transport/version discovery as a quiet
probe miss rather than a failed matched probe.
3. The register-based partition discovery path now honors the descriptor
size reported by FFA_PARTITION_INFO_GET_REGS. This keeps parsing aligned
for newer FF-A descriptor layouts while still copying only the fields the
driver understands.
4. Also included is an Arm SMCCC fix for the optional SOC_ID name call: the
name query now uses the SMC64 function ID required for returning eight
characters per register.
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Merge tag 'ffa-updates-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers
Arm FF-A + SMCCC updates for v7.2
1. The FF-A core is moved onto the driver model by reverting the earlier
rootfs initcall change and registering the core as a platform driver with
a synthetic arm-ffa platform device. Enumerated FF-A devices are now
parented below the FF-A core device, and probing is deferred until pKVM
has completed its FF-A proxy initialisation.
2. The platform-driver conversion is also adjusted so systems without FF-A
support treat early unsupported transport/version discovery as a quiet
probe miss rather than a failed matched probe.
3. The register-based partition discovery path now honors the descriptor
size reported by FFA_PARTITION_INFO_GET_REGS. This keeps parsing aligned
for newer FF-A descriptor layouts while still copying only the fields the
driver understands.
4. Also included is an Arm SMCCC fix for the optional SOC_ID name call: the
name query now uses the SMC64 function ID required for returning eight
characters per register.
* tag 'ffa-updates-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_ffa: Treat missing FF-A feature on a platform as a probe miss
firmware: smccc: Fix Arm SMCCC SOC_ID name call
firmware: arm_ffa: Honor partition info descriptor size
firmware: arm_ffa: Defer probe until pKVM is initialized
firmware: arm_ffa: Set the core device as FF-A device parent
firmware: arm_ffa: Register core as a platform driver
Revert "firmware: arm_ffa: Change initcall level of ffa_init() to rootfs_initcall"
firmware: arm_ffa: Fix sched-recv callback partition lookup
firmware: arm_ffa: Snapshot notifier callbacks under lock
firmware: arm_ffa: Align RxTx buffer size before mapping
firmware: arm_ffa: Validate framework notification message layout
firmware: arm_ffa: Keep framework RX release under lock
firmware: arm_ffa: Bound PARTITION_INFO_GET_REGS copies
firmware: arm_ffa: Unregister bus notifier on teardown for FF-A v1.0
firmware: arm_ffa: Fix per-vcpu self notifications handling in workqueue
firmware: arm_ffa: Avoid collapsing NPI work from different CPUs
firmware: arm_ffa: Skip free_pages on RX buffer alloc failure
firmware: arm_ffa: Check for NULL FF-A ID table while driver registration
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
1. Improve SCMI clock handling with a protocol-level determine_rate operation,
simplified per-clock rate properties, dynamic rate allocation, bounded
iterator support, lazy full-rate discovery, and hardened parent/rate
enumeration.
2. Fix several SCMI bounds and payload validation issues, including clock rate
discovery OOB handling, power domain name lookup, Powercap domain state
access, BASE_ERROR_EVENT and SENSOR_UPDATE payload sizing, and sensor config
width handling.
3. Rework SCMI transport probing for virtio and OP-TEE using per-instance
transport handles and a generic transport supplier, removing the need to
register SCMI core drivers from transport probe paths.
4. Add i.MX SCMI MISC reset reason support and print i.MX95 boot/shutdown
reasons via the System Manager interface.
5. Clean up SCMI core internals, including base-info naming, quirk parsing and
table iteration, and list iteration.
6. Fix SCPI clock provider removal so child clock providers are unregistered
using the same DT nodes used at registration time.
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Merge tag 'scmi-updates-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers
Arm SCMI updates for v7.2
1. Improve SCMI clock handling with a protocol-level determine_rate operation,
simplified per-clock rate properties, dynamic rate allocation, bounded
iterator support, lazy full-rate discovery, and hardened parent/rate
enumeration.
2. Fix several SCMI bounds and payload validation issues, including clock rate
discovery OOB handling, power domain name lookup, Powercap domain state
access, BASE_ERROR_EVENT and SENSOR_UPDATE payload sizing, and sensor config
width handling.
3. Rework SCMI transport probing for virtio and OP-TEE using per-instance
transport handles and a generic transport supplier, removing the need to
register SCMI core drivers from transport probe paths.
4. Add i.MX SCMI MISC reset reason support and print i.MX95 boot/shutdown
reasons via the System Manager interface.
5. Clean up SCMI core internals, including base-info naming, quirk parsing and
table iteration, and list iteration.
6. Fix SCPI clock provider removal so child clock providers are unregistered
using the same DT nodes used at registration time.
* tag 'scmi-updates-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: (31 commits)
firmware: arm_scmi: optee: Rework transport probe sequence
firmware: arm_scmi: virtio: Rework transport probe sequence
firmware: arm_scmi: Add a generic transport supplier
firmware: arm_scmi: Add transport instance handles
firmware: arm_scmi: Fix OOB in scmi_power_name_get()
firmware: arm_scmi: Validate Powercap domains before state access
firmware: arm_scmi: Validate SENSOR_UPDATE payload size
firmware: arm_scmi: Validate BASE_ERROR_EVENT payload size
firmware: arm_scmi: Read sensor config as 32-bit value
clk: scpi: Unregister child clock providers on remove
firmware: arm_scmi: Introduce all_rates_get clock operation
firmware: arm_scmi: Fix OOB in scmi_clock_describe_rates_get_lazy()
firmware: arm_scmi: Use bound iterators to minimize discovered rates
firmware: arm_scmi: Use proper iter_response_bound_cleanup() name
firmware: arm_scmi: Fix bound iterators returning too many items
firmware: arm_scmi: Add bound iterators support
firmware: arm_scmi: Refactor iterators internal allocation
firmware: arm_scmi: Harden clock parents discovery
firmware: arm_scmi: Make clock rates allocation dynamic
firmware: arm_scmi: Drop unused clock rate interfaces
...
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Enable QSEECOM and with that access to UEFI variables on the Surface Pro
12in laptop.
Refactor the Geni Serial-Engine helper code to allow the serial engine
drivers (such as I2C) to operate on targets where power and performance
is controlled through an SCMI server instead of individual resources in
Linux.
Extend the LLCC driver to support reading its data from a System Cache
Table (SCT) in memory instead of being hard coded per platform in the
driver. Also add support for the Eliza platform.
Add support for the Hawi platform to pd-mapper.
Switch the SMEM driver to track partitions using xarray to handle the
ever growing number of hosts better.
Extend the socinfo driver with knowledge about the Nord, SM7750,
IPQ9650, and Shikra SoCs, as well as PMAU0102, PMC1020H, PMIV0102, and
PMIV0104 PMICs.
Define UBWC 3.1 and add a couple of convenient helpers in the UBWC
library for MDSS and Adreno.
Fix a memory leak in the WCNSS firmware download mechanism.
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Merge tag 'qcom-drivers-for-7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
Qualcomm driver updates for v7.2
Enable QSEECOM and with that access to UEFI variables on the Surface Pro
12in laptop.
Refactor the Geni Serial-Engine helper code to allow the serial engine
drivers (such as I2C) to operate on targets where power and performance
is controlled through an SCMI server instead of individual resources in
Linux.
Extend the LLCC driver to support reading its data from a System Cache
Table (SCT) in memory instead of being hard coded per platform in the
driver. Also add support for the Eliza platform.
Add support for the Hawi platform to pd-mapper.
Switch the SMEM driver to track partitions using xarray to handle the
ever growing number of hosts better.
Extend the socinfo driver with knowledge about the Nord, SM7750,
IPQ9650, and Shikra SoCs, as well as PMAU0102, PMC1020H, PMIV0102, and
PMIV0104 PMICs.
Define UBWC 3.1 and add a couple of convenient helpers in the UBWC
library for MDSS and Adreno.
Fix a memory leak in the WCNSS firmware download mechanism.
* tag 'qcom-drivers-for-7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (40 commits)
soc: qcom: geni-se: Introduce helper APIs for performance control
soc: qcom: geni-se: Introduce helper API for attaching power domains
soc: qcom: geni-se: Add resources activation/deactivation helpers
soc: qcom: geni-se: Handle core clk in geni_se_clks_off() and geni_se_clks_on()
soc: qcom: geni-se: Introduce helper API for resource initialization
soc: qcom: geni-se: Add geni_icc_set_bw_ab() function
soc: qcom: geni-se: Refactor geni_icc_get() and make qup-memory ICC path optional
soc: qcom: llcc-qcom: Fix NULL vs IS_ERR() bug in qcom_llcc_get_fw_config()
soc: qcom: llcc-qcom: Add support for Eliza
dt-bindings: cache: qcom,llcc: Document Eliza LLCC block
soc: qcom: ubwc: add helper controlling AMSBC enablement
soc: qcom: ubwc: define helper for MDSS and Adreno drivers
soc: qcom: ubwc: define UBWC 3.1
soc: qcom: socinfo: Add SoC ID for Nord SA8797P
dt-bindings: arm: qcom,ids: Add SoC ID for Nord SA8797P
soc: qcom: socinfo: Add SoC ID for SM7750
dt-bindings: arm: qcom,ids: Add SoC ID for SM7750
soc: qcom: socinfo: Add PMIC PMAU0102
soc: qcom: socinfo: Add PMIV0102 & PMIV0104 PMICs
firmware: qcom: scm: Allow QSEECOM on Surface Pro 12in
...
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
When FF-A initialisation is driven from a platform device probe, systems
that do not implement FF-A can return -EOPNOTSUPP from the early transport
or version discovery paths. Driver core treats that as a matched probe
failure and prints:
| arm-ffa arm-ffa: probe with driver arm-ffa failed with error -95
That is noisy for a firmware interface that can be absent on otherwise
valid systems. Driver core already treats -ENODEV and -ENXIO as quiet
rejected matches, so translate only the early unsupported discovery cases
to -ENODEV. Keep later setup failures unchanged so real FF-A
initialisation problems are still reported as probe failures.
Reported-by: Nathan Chancellor <nathan@kernel.org>
Closes: https://lore.kernel.org/all/20260523001148.GA1319283@ax162
Reviewed-by: Yeoreum Yun <yeoreum.yun@arm.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Link: https://patch.msgid.link/20260526103649.5684-1-sudeep.holla@kernel.org
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
Merge the refactoring and helper functions in the Qualcomm GENI Serial
Engine driver through a topic branch.
These changes will provide the ability to add support managing power and
performance for the GENI instances in platforms where these are
controlled as SCMI resources.
The patches are merged through a topic branch to avoid conflicts with other
changes, while making them available to other subsystems.
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The GENI Serial Engine (SE) drivers (I2C, SPI, and SERIAL) currently
manage performance levels and operating points directly. This resulting
in code duplication across drivers. such as configuring a specific level
or find and apply an OPP based on a clock frequency.
Introduce two new helper APIs, geni_se_set_perf_level() and
geni_se_set_perf_opp(), addresses this issue by providing a streamlined
method for the GENI Serial Engine (SE) drivers to find and set the OPP
based on the desired performance level, thereby eliminating redundancy.
Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Tested-by: Mattijs Korpershoek <mkorpershoek@kernel.org>
Link: https://lore.kernel.org/r/20260227061544.1785978-8-praveen.talari@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The GENI Serial Engine drivers (I2C, SPI, and SERIAL) currently handle
the attachment of power domains. This often leads to duplicated code
logic across different driver probe functions.
Introduce a new helper API, geni_se_domain_attach(), to centralize
the logic for attaching "power" and "perf" domains to the GENI SE
device.
Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Tested-by: Mattijs Korpershoek <mkorpershoek@kernel.org>
Link: https://lore.kernel.org/r/20260227061544.1785978-7-praveen.talari@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The GENI SE protocol drivers (I2C, SPI, UART) implement similar resource
activation/deactivation sequences independently, leading to code
duplication.
Introduce geni_se_resources_activate()/geni_se_resources_deactivate() to
power on/off resources.The activate function enables ICC, clocks, and TLMM
whereas the deactivate function disables resources in reverse order
including OPP rate reset, clocks, ICC and TLMM.
Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Tested-by: Mattijs Korpershoek <mkorpershoek@kernel.org>
Link: https://lore.kernel.org/r/20260227061544.1785978-6-praveen.talari@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Currently, core clk is handled individually in protocol drivers like
the I2C driver. Move this clock management to the common clock APIs
(geni_se_clks_on/off) that are already present in the common GENI SE
driver to maintain consistency across all protocol drivers.
Core clk is now properly managed alongside the other clocks (se->clk
and wrapper clocks) in the fundamental clock control functions,
eliminating the need for individual protocol drivers to handle this
clock separately.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com>
Tested-by: Mattijs Korpershoek <mkorpershoek@kernel.org>
Link: https://lore.kernel.org/r/20260227061544.1785978-5-praveen.talari@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The GENI Serial Engine drivers (I2C, SPI, and SERIAL) currently duplicate
code for initializing shared resources such as clocks and interconnect
paths.
Introduce a new helper API, geni_se_resources_init(), to centralize this
initialization logic, improving modularity and simplifying the probe
function.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com>
Tested-by: Mattijs Korpershoek <mkorpershoek@kernel.org>
Link: https://lore.kernel.org/r/20260227061544.1785978-4-praveen.talari@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Add a new function geni_icc_set_bw_ab() that allows callers to set
average bandwidth values for all ICC (Interconnect) paths in a single
call. This function takes separate parameters for core, config, and DDR
average bandwidth values and applies them to the respective ICC paths.
This provides a more convenient API for drivers that need to configure
specific average bandwidth values.
Co-developed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com>
Tested-by: Mattijs Korpershoek <mkorpershoek@kernel.org>
Link: https://lore.kernel.org/r/20260227061544.1785978-3-praveen.talari@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The "qup-memory" interconnect path is optional and may not be defined
in all device trees. Unroll the loop-based ICC path initialization to
allow specific error handling for each path type.
The "qup-core" and "qup-config" paths remain mandatory and will fail
probe if missing, while "qup-memory" is now handled as optional and
skipped when not present in the device tree.
Co-developed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com>
Reviewed-by: Mukesh Kumar Savaliya <mukesh.savaliya@oss.qualcomm.com>
[...]
Tested-by: Mattijs Korpershoek <mkorpershoek@kernel.org>
Link: https://lore.kernel.org/r/20260227061544.1785978-2-praveen.talari@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The devm_memremap() function doesn't return NULL, it returns error
pointers. Fix the error checking to match.
Fixes: ac23106a9b ("soc: qcom: llcc-qcom: get SCT descriptors from fw-populated memory")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/ag1N_rAHEQ1YJsa7@stanley.mountain
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Eliza uses a 4-region LLCC register layout made up of two per-bank base
register regions together with the broadcast OR and AND regions.
So add this SoC specific configuration and its compatible string.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260513-eliza-llcc-v2-2-27381ae833d5@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Document the Last Level Cache Controller on Eliza SoC. Eliza LLCC has 2
base register regions and an additional AND, OR broadcast region, total 4
register regions.
Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260513-eliza-llcc-v2-1-27381ae833d5@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Use the new per-instance transport handles helpers to synchronize and
optionally defer the core SCMI driver probe up until the transport driver
has completely been initialized and it is fully operational as a supplier.
Introduce proper module init/exit routines while removing the ugly trick of
registering a driver from within the probe sequence of another one, just to
avoid to have to deal with probe deferrals.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://patch.msgid.link/20260510160527.3537474-5-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
Use the new per-instance transport handles helpers to synchronize and
optionally defer the core SCMI driver probe up until the transport driver
has completely been initialized and it is fully operational as a supplier.
Introduce proper module init/exit routines while removing the ugly trick of
registering a driver from within the probe sequence of another one, just to
avoid to have to deal with probe deferrals.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://patch.msgid.link/20260510160527.3537474-4-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
Add the capability to define a common generic transport supplier which
embeds the logic needed to support one single unique instance of transport
supplier.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://patch.msgid.link/20260510160527.3537474-3-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
SCMI transport drivers are initialized first and then the control is passed
to the SCMI core stack: some of these transports are dependent also on some
external subsytem which will have to be initialized upfront, before the
transport driver itself can be deemed operational.
Transport drivers like virtio or optee need a way to defer the core SCMI
probing till they are fully initialized and operational and also a way to
pass back the device reference to be used as a supplier while building the
devlink relations.
SCMI transport drivers can be probed multiple times when used in a multiple
instance configuration but the capability to carry-on with multiple probes
depends on the support provided by the underlying transport driver.
This change will also allow for the removal of the frowned-upon trick of
registering a platform driver only after the end of the transport drivers
porbe to avoid explicit probe deferrals.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://patch.msgid.link/20260510160527.3537474-2-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
scmi_power_name_get() does not validate the domain number passed by the
external caller, which may lead to an out-of-bounds access.
Fix this by returning "unknown" for invalid domains, like
scmi_reset_name_get() does.
Fixes: 76a6550990 ("firmware: arm_scmi: add initial support for power protocol")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://patch.msgid.link/75caae28bdffb55199a0bc6cac5df112a966c608.1778838987.git.geert+renesas@glider.be
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
- Add Multifunctional Interface (MFIS) mailbox and product register
support for R-Car X5H,
- Miscellaneous fixes and improvements.
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Merge tag 'renesas-drivers-for-v7.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into soc/drivers
Renesas driver updates for v7.2
- Add Multifunctional Interface (MFIS) mailbox and product register
support for R-Car X5H,
- Miscellaneous fixes and improvements.
* tag 'renesas-drivers-for-v7.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
soc: renesas: Convert to of_machine_get_match()
soc: renesas: Add R-Car X5H PRR support
soc: renesas: Add Renesas R-Car MFIS driver
dt-bindings: soc: renesas: Document MFIS IP core
soc: renesas: r9a09g057-sys: Move common code to a helper
soc: renesas: r9a09g056-sys: Move common code to a helper
soc: renesas: r9a09g047-sys: Move common code to a helper
soc: renesas: r9a08g046-sysc: Move common code to a helper
soc: renesas: r9a08g045-sysc: Move common code to a helper
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Powercap protocol v2 keeps local enable and last-cap state per domain.
The v2 enable helpers and disabled-domain cap_set path indexed that state
before checking that the supplied domain id was valid.
Validate the domain before touching the per-domain state.
Link: https://patch.msgid.link/20260517-scmi_fixes-v1-4-d86daec4defd@kernel.org
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
SENSOR_UPDATE carries one or more sensor readings after the fixed
notification header. The parser derives the expected reading count
from the sensor description, but it did not verify that the received
payload contains those entries before parsing them.
Reject truncated update notifications before reading the variable
array.
Link: https://patch.msgid.link/20260517-scmi_fixes-v1-3-d86daec4defd@kernel.org
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
BASE_ERROR_EVENT carries a variable number of message reports,
with the count encoded in error_status. The notification parser used
that count without checking whether the received payload contained all
reported entries.
Reject truncated payloads before copying the report array.
Link: https://patch.msgid.link/20260517-scmi_fixes-v1-2-d86daec4defd@kernel.org
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
The SENSOR_CONFIG_GET response contains a 32-bit sensor_config field,
and the xfer is initialized with a 4-byte RX buffer. Reading it with
get_unaligned_le64() can consume bytes past the returned payload.
Use get_unaligned_le32() to match the protocol layout and the allocated
response size.
Fixes: 7b83c5f410 ("firmware: arm_scmi: Add SCMI v3.0 sensor configuration support")
Link: https://patch.msgid.link/20260517-scmi_fixes-v1-1-d86daec4defd@kernel.org
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
Commit 5f9c23abc4 ("firmware: smccc: Support optional Arm SMCCC SOC_ID
name") introduced the SOC_ID name string call, which reports a human
readable string describing the SoC, as returned by firmware.
The SMCCC spec v1.6 describes this feature as AArch64 only, since we rely
on 8 characters to be transmitted per register. Consequently the SMCCC
call must use the AArch64 calling convention, which requires bit 30 of
the FID to be set. The spec is a bit confusing here, since it mentions
that in the parameter description ("2: SoC name (optionally implemented for
SMC64 calls, ..."), but still prints the FID explicitly as 0x80000002.
But as this FID is using the SMC32 calling convention (correct for the
other two calls), it will not match what any SMCCC conformant firmware is
expecting, so any call would return NOT_SUPPORTED.
Add a 64-bit version of the ARCH_SOC_ID FID macro, and use that for the
SoC name version of the call to fix the issue.
Fixes: 5f9c23abc4 ("firmware: smccc: Support optional Arm SMCCC SOC_ID name")
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Link: https://patch.msgid.link/20250902172053.304911-1-andre.przywara@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
Adreno and MDSS drivers need to know whether to enable AMSBC. Add
separate helper, describing that feature.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260507-ubwc-rework-v4-4-c19593d20c1d@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Define special helper returning version setting for MDSS and A8xx
drivers.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260507-ubwc-rework-v4-3-c19593d20c1d@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Follow the comment for the macrotile_mode and introduce separate
revision for UBWC 3.0 + 8-channel macrotiling mode. It is not used by
the database (since the drivers are not yet changed to handle it yet).
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260507-ubwc-rework-v4-2-c19593d20c1d@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
FFA_PARTITION_INFO_GET_REGS reports the size of each partition
information descriptor in x2[63:48]. However, __ffa_partition_info_get_regs()
walks the returned register payload with a hardcoded 24-byte stride
(regs += 3), even though the size is already read into buf_sz.
That works for the FF-A v1.1/v1.2 24-byte descriptor layout, where each
descriptor consumes three registers. Newer FF-A revisions can extend the
descriptor while keeping the existing fields at the front. For example, a
48-byte descriptor consumes six registers, so advancing by only three
registers desynchronises the parser and can make it read subsequent entries
from the middle of a descriptor.
Use the advertised descriptor size to derive the register stride. Validate
that the size is register-aligned, large enough for the fields parsed by the
driver, and that the requested number of descriptors fits in the returned
x3..x17 register window. The driver still copies only the fields it
understands, but now skips over any trailing descriptor fields correctly.
Fixes: ba85c644ac ("firmware: arm_ffa: Add support for FFA_PARTITION_INFO_GET_REGS")
Suggested-by: Sudeep Holla <sudeep.holla@kernel.org>
Signed-off-by: Jamie Nguyen <jamien@nvidia.com>
Link: https://patch.msgid.link/20260518203116.42624-1-jamien@nvidia.com
(sudeep.holla: Minor rewordng of the commit message and subject)
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
Nord is a SoC family from Qualcomm designed as the next generation of
Lemans series. SA8797P is the automotive variant of Nord, where platform
resources such as clocks, regulators, interconnects, etc. are managed
by firmware through SCMI.
Add SoC ID for Nord SA8797P.
Signed-off-by: Deepti Jaggi <deepti.jaggi@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260427003531.229671-2-shengchao.guo@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Recognize the SM7750 SoC which is an Eliza SoC variant.
Signed-off-by: Alexander Koskovich <akoskovich@pm.me>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260412-sm7550-id-v1-2-958a673ff791@pm.me
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Document the ID for SM7750, an Eliza SoC variant that can be found on
the Nothing Phone (4a) Pro.
Signed-off-by: Alexander Koskovich <akoskovich@pm.me>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260412-sm7550-id-v1-1-958a673ff791@pm.me
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Freescale QUICC Engine:
- Add missing cleanup on device removal and switch to irq_domain_create_linear()
in interrupt controller for IO Ports
- Panic on ioremap() failure in qe_reset()
Freescale Management Complex:
- Move fsl-mc over to device MSI infrastructure
- Wait for the MC firmware to complete its boot
Freescale Hypervisor:
- Fix header kernel-doc warnings
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Merge tag 'soc_fsl-7.1-2' of https://git.kernel.org/pub/scm/linux/kernel/git/chleroy/linux into soc/drivers
FSL SOC Changes for 7.1
Freescale QUICC Engine:
- Add missing cleanup on device removal and switch to irq_domain_create_linear()
in interrupt controller for IO Ports
- Panic on ioremap() failure in qe_reset()
Freescale Management Complex:
- Move fsl-mc over to device MSI infrastructure
- Wait for the MC firmware to complete its boot
Freescale Hypervisor:
- Fix header kernel-doc warnings
* tag 'soc_fsl-7.1-2' of https://git.kernel.org/pub/scm/linux/kernel/git/chleroy/linux:
bus: fsl-mc: wait for the MC firmware to complete its boot
soc: fsl: qe: panic on ioremap() failure in qe_reset()
soc: fsl: qe_ports_ic: switch to irq_domain_create_linear()
soc: fsl: qe_ports_ic: Add missing cleanup on device removal
virt: fsl_hypervisor: fix header kernel-doc warnings
platform-msi: Remove stale comment
fsl-mc: Remove legacy MSI implementation
fsl-mc: Switch over to per-device platform MSI
irqchip/gic-v3-its: Add fsl_mc device plumbing to the msi-parent handling
fsl-mc: Add minimal infrastructure to use platform MSI
fsl-mc: Remove MSI domain propagation to sub-devices
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
When protected KVM is enabled, the kernel includes a pKVM FF-A proxy
that sits in front of the normal FF-A driver. The proxy has to perform
its own FF-A version negotiation and setup first, so that it can mediate
subsequent FF-A traffic correctly.
Defer FF-A core probing until pKVM has completed initialization. This
keeps the normal driver from negotiating the FF-A version or performing
other transport setup before the pKVM proxy is ready, and lets the
driver model retry probing once the protected KVM state required by the
FF-A transport is available.
Suggested-by: Yeoreum Yun <yeoreum.yun@arm.com>
Reviewed-by: Yeoreum Yun <yeoreum.yun@arm.com>
Link: https://patch.msgid.link/20260508-b4-ffa_plat_dev-v1-4-c5a30f8cf7b8@kernel.org
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
Pass a parent device into ffa_device_register() and use the synthetic
arm-ffa platform device as the parent for each registered FF-A device.
This keeps the enumerated FF-A partition devices anchored below the FF-A
core device in the driver model, matching the platform-driver conversion
of the core transport.
Suggested-by: Yeoreum Yun <yeoreum.yun@arm.com>
Reviewed-by: Yeoreum Yun <yeoreum.yun@arm.com>
Link: https://patch.msgid.link/20260508-b4-ffa_plat_dev-v1-3-c5a30f8cf7b8@kernel.org
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
Move the FF-A core bring-up and teardown paths into platform driver
probe and remove callbacks, and register a synthetic arm-ffa platform
device to bind the driver.
This makes the FF-A core lifetime follow the driver model while keeping
the device creation internal to the FF-A core. Use normal platform driver
registration so the probe path has standard driver-core semantics.
The synthetic platform device is a temporary bridge until ACPI and
devicetree describe the FF-A core device or object. Once those firmware
description paths are defined, the internal platform device creation can
be dropped and the driver can bind to the firmware-described device
directly.
Since the transport selection now happens from the platform probe path,
drop the __init annotation from ffa_transport_init().
Reviewed-by: Yeoreum Yun <yeoreum.yun@arm.com>
Link: https://patch.msgid.link/20260508-b4-ffa_plat_dev-v1-2-c5a30f8cf7b8@kernel.org
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
This reverts commit 0e0546eabc, which was
added to address ordering issues with the IMA LSM initialisation where
the TPM would not be fully ready by the time IMA wanted it. This has
been resolved within IMA by retrying setup during late_initcall_sync if
the TPM is not available at first.
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
Link: https://patch.msgid.link/20260508-b4-ffa_plat_dev-v1-1-c5a30f8cf7b8@kernel.org
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
SCPI clock providers are registered for each child node in
scpi_clk_add(), but scpi_clocks_remove() unregisters the parent node on
each iteration.
of_clk_del_provider() matches providers by the node used at registration
time, so passing the parent node leaves the child providers registered.
This leaks the provider allocations and the node references held by the
clock provider core.
Pass the child node to of_clk_del_provider() so the remove path matches
the probe path.
Fixes: cd52c2a4b5 ("clk: add support for clocks provided by SCP(System Control Processor)")
Signed-off-by: Stepan Ionichev <sozdayvek@gmail.com>
Link: https://patch.msgid.link/20260513090900.5323-1-sozdayvek@gmail.com
(sudeep.holla: Updated commit title and message a bit)
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
Add the Surface Pro 12in to the QSEECOM allowlist
so that the Qualcomm Secure Execution Environment
interface is available on this device.
Signed-off-by: Harrison Vanderbyl <harrison.vanderbyl@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/92171ad5e7851e6758dd205246b4289f32e12655.1778498477.git.harrison.vanderbyl@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Hawi uses the same protection domain layout as Kaanapali, so reuse the
kaanapali_domains table. Also add the missing adsp_ois_pd entry (OIS
protection domain, instance_id 74) to kaanapali_domains, which is
required by both Kaanapali and Hawi.
Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260506110226.2256249-1-mukesh.ojha@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Hawi is a mobile platform that is compatible with Kaanapali platform
with respect to pmic-glink support. Add the Hawi compatible string
with Kaanapali as a fallback.
Signed-off-by: Fenglin Wu <fenglin.wu@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260419-hawi-pmic-glink-v1-1-a26908c468fc@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
