arm64: Xilinx SOC changes for 6.20
- Fix Michal's email in cpuidle driver
- s/system_unbound_wq/system_dfl_wq/g in zynqmp_power
* tag 'zynqmp-soc-for-6.20' of https://github.com/Xilinx/linux-xlnx:
cpuidle: zynq: Switch Michal Simek's email to new one
soc/xilinx: replace use of system_unbound_wq with system_dfl_wq
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
soc/tegra: Changes for v6.20-rc1
This series primarily refactors the Tegra PMC driver to eliminate
reliance on a global variable, transitioning to passing the tegra_pmc
context explicitly across clocks, powergates, sysfs/debugfs interfaces,
and power management callbacks. Additionally, it resolves a warning
during system resume by deferring an unsafe generic_handle_irq() call to
a hard IRQ context using irq_work.
* tag 'tegra-for-6.20-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: pmc: Add PMC contextual functions
soc/tegra: pmc: Do not rely on global variable
soc/tegra: pmc: Use driver-private data
soc/tegra: pmc: Use PMC context embedded in powergates
soc/tegra: pmc: Pass PMC context as debugfs data
soc/tegra: pmc: Pass PMC context via sys-off callback data
soc/tegra: pmc: Embed reboot notifier in PMC context
soc/tegra: pmc: Store PMC context in clocks
soc/tegra: pmc: Pass struct tegra_pmc to tegra_powergate_state()
soc/tegra: pmc: Use contextual data instead of global variable
soc/tegra: pmc: Fix unsafe generic_handle_irq() call
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
TEE sysfs for 6.20
- Add an optional generic sysfs attribute for TEE revision
- Implement revision reporting for OP-TEE using both SMC and FF-A ABIs
* tag 'tee-sysfs-for-6.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jenswi/linux-tee:
tee: optee: store OS revision for TEE core
tee: add revision sysfs attribute
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
TEE bus callback for 6.20
- Move from generic device_driver to TEE bus-specific callbacks
- Add module_tee_client_driver() and registration helpers to reduce
boilerplate
- Convert several client drivers (TPM, KEYS, firmware, EFI, hwrng,
and RTC)
- Update documentation and fix kernel-doc warnings
* tag 'tee-bus-callback-for-6.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jenswi/linux-tee:
tpm/tpm_ftpm_tee: Fix kdoc after function renames
tpm/tpm_ftpm_tee: Make use of tee bus methods
tpm/tpm_ftpm_tee: Make use of tee specific driver registration
KEYS: trusted: Make use of tee bus methods
KEYS: trusted: Migrate to use tee specific driver registration function
firmware: tee_bnxt: Make use of tee bus methods
firmware: tee_bnxt: Make use of module_tee_client_driver()
firmware: arm_scmi: Make use of tee bus methods
firmware: arm_scmi: optee: Make use of module_tee_client_driver()
efi: stmm: Make use of tee bus methods
efi: stmm: Make use of module_tee_client_driver()
hwrng: optee - Make use of tee bus methods
hwrng: optee - Make use of module_tee_client_driver()
rtc: optee: Make use of tee bus methods
rtc: optee: Migrate to use tee specific driver registration function
tee: Adapt documentation to cover recent additions
tee: Add probe, remove and shutdown bus callbacks to tee_client_driver
tee: Add some helpers to reduce boilerplate for tee client drivers
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
OP-TEE update for 6.20
- A micro optimization by making a local array static const
- Update OP-TEE mailing list as moderated
- Update an outdated comment for cmd_alloc_suppl()
* tag 'optee-update-for-6.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jenswi/linux-tee:
optee: make read-only array attr static const
MAINTAINERS: Mark the OP-TEE mailing list moderated
optee: update outdated comment
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
QCOMTEE fixes for 6.20
Small cleanups for the qcomtee driver to align with recommended coding
practices for the cleanup.h infrastructure.
* tag 'qcomtee-fixes-for-6.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jenswi/linux-tee:
tee: qcomtee: user: Fix confusing cleanup.h syntax
tee: qcomtee: mem: Fix confusing cleanup.h syntax
tee: qcomtee: call: Fix confusing cleanup.h syntax
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Renesas driver updates for v6.20 (take two)
- Add and use for_each_of_imap_item() iterator,
- Add support for the RZ/N1 GPIO Interrupt Multiplexer.
* tag 'renesas-drivers-for-v6.20-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
soc: renesas: Add support for RZ/N1 GPIO Interrupt Multiplexer
irqchip/renesas-rza1: Use for_each_of_imap_item iterator
irqchip/ls-extirq: Use for_each_of_imap_item iterator
of: unittest: Add a test case for for_each_of_imap_item iterator
of/irq: Introduce for_each_of_imap_item
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Arm SCMI updates for v7.0
A set of cleanups, refactoring, and fixes to the Arm SCMI stack:
1. Rework protocol version negotiation by moving version discovery and
downgrade handling into the SCMI core and performing negotiation early,
before protocol initialization. Remove legacy per-protocol versioning
logic now made redundant by centralized SCMI handling.
2. Increase the internal MAX_OPPS limit in the SCMI performance protocol
to 64, allowing platforms with larger OPP tables to be fully supported.
3. Reduce duplicated boilerplate in pinctrl and related protocols by
consolidating validation and lookup logic in protocol get info helpers.
4. Refactor reset protocol domain handling by introducing a shared lookup
helper, ensuring consistent validation and error reporting.
5. Fix potential undefined behaviour by properly initializing pointers
annotated with the __free attribute.
* tag 'scmi-updates-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_scmi: Remove legacy protocol versioning logic
firmware: arm_scmi: Rework protocol version negotiation logic
firmware: arm_scmi: Increase performance MAX_OPPS limit to 64
firmware: arm_scmi: Move boiler plate code into the get info functions
firmware: arm_scmi: Refactor reset domain handling
firmware: arm_scmi: Fix uninitialized pointers with __free attr
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Arm FF-A updates for v7.0
A small set of updates to the Arm FF-A driver:
1. Fix a correctness issue in NOTIFICATION_INFO_GET handling of 32-bit
firmware responses, avoiding reads from undefined register bits.
2. Improve clarity and robustness of FF-A feature checks by tying them
to explicit version requirements.
3. Ensure Rx/Tx buffers are unmapped on FF-A initialization failure to
prevent resource leaks.
* tag 'ffa-updates-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_ffa: Correct 32-bit response handling in NOTIFICATION_INFO_GET
firmware: arm_ffa: Tie FF-A version checks to specific features
firmware: arm_ffa: Unmap Rx/Tx buffers on init failure
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Renesas driver updates for v6.20
- Enable Interrupt Controller (ICU) support on the RZ/N2H SoC.
* tag 'renesas-drivers-for-v6.20-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
soc: renesas: Enable ICU support on RZ/N2H
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Add implementations that take as argument a struct tegra_pmc * for most
public APIs, as well as a function to obtain the PMC for any given
device. This will allow transitioning away users from relying on a
global variable storing the PMC context.
Signed-off-by: Thierry Reding <treding@nvidia.com>
The reset action for changing the suspend mode back on failure can take
a context-specific data argument that can be set to the PMC context in
order to avoid relying on a global variable.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Instead of relying on a global variable for the PMC context, use the
driver-private data for sysfs attributes.
Signed-off-by: Thierry Reding <treding@nvidia.com>
The powergates exposed by the PMC have a pointer to the PMC context
embedded. Use that embedded reference instead of relying on a global
variable.
For the core power domain a new structure needs to be introduced to wrap
the generic PM domain and store the PMC context.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Each debugfs file can have private data associated with it. Use this to
pass the PMC context instead of relying on a global variable.
Signed-off-by: Thierry Reding <treding@nvidia.com>
To avoid relying on global variables, use the sys-off callback data to
store a reference to the PMC context structure.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Instead of relying on a global variable to track the PMC context, embed
the reboot notifier into the PMC context so that the latter can be
resolved using container_of().
Signed-off-by: Thierry Reding <treding@nvidia.com>
Clocks exposed by the PMC need to reference the PMC context for register
programming. Store a reference to the context in the data structure for
each clock to avoid the need for a global variable.
Signed-off-by: Thierry Reding <treding@nvidia.com>
By using the generic read_poll_timeout() instead of readx_poll_timeout()
we can pass additional parameters, which allows us to pass an additional
PMC context structure and avoid relying on a global variable for this.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Currently, when resuming from system suspend on Tegra platforms,
the following warning is observed:
WARNING: CPU: 0 PID: 14459 at kernel/irq/irqdesc.c:666
Call trace:
handle_irq_desc+0x20/0x58 (P)
tegra186_pmc_wake_syscore_resume+0xe4/0x15c
syscore_resume+0x3c/0xb8
suspend_devices_and_enter+0x510/0x540
pm_suspend+0x16c/0x1d8
The warning occurs because generic_handle_irq() is being called from
a non-interrupt context which is considered as unsafe.
Fix this warning by deferring generic_handle_irq() call to an IRQ work
which gets executed in hard IRQ context where generic_handle_irq()
can be called safely.
When PREEMPT_RT kernels are used, regular IRQ work (initialized with
init_irq_work) is deferred to run in per-CPU kthreads in preemptible
context rather than hard IRQ context. Hence, use the IRQ_WORK_INIT_HARD
variant so that with PREEMPT_RT kernels, the IRQ work is processed in
hardirq context instead of being deferred to a thread which is required
for calling generic_handle_irq().
On non-PREEMPT_RT kernels, both init_irq_work() and IRQ_WORK_INIT_HARD()
execute in IRQ context, so this change has no functional impact for
standard kernel configurations.
Signed-off-by: Petlozu Pravareshwar <petlozup@nvidia.com>
Signed-off-by: Prathamesh Shete <pshete@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
[treding@nvidia.com: miscellaneous cleanups]
Signed-off-by: Thierry Reding <treding@nvidia.com>
After sending a patch to op-tee@lists.trustedfirmware.org, I got the
typical response for a moderated list:
Your mail to 'op-tee@lists.trustedfirmware.org' with the subject
[...]
Is being held until the list moderator can review it for approval.
The message is being held because:
The message is not from a list member
Either the message will get posted to the list, or you will receive
notification of the moderator's decision.
Mark this mailing list moderated in MAINTAINERS.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Collect OP-TEE OS revision from secure world for both SMC and FF-A
ABIs, store it in the OP-TEE driver, and expose it through the
generic get_tee_revision() callback.
Signed-off-by: Aristo Chen <aristo.chen@canonical.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Add a generic TEE revision sysfs attribute backed by a new
optional get_tee_revision() callback. The revision string is
diagnostic-only and must not be used to infer feature support.
Signed-off-by: Aristo Chen <aristo.chen@canonical.com>
Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
The tee bus got dedicated callbacks for probe and remove.
Make use of these. This fixes a runtime warning about the driver needing
to be converted to the bus methods.
Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
tee_client_driver_register() is typed more strongly and cares about
assigning the driver's bus. Similar for tee_client_driver_unregister().
Make use of these functions.
Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
The tee bus got dedicated callbacks for probe and remove.
Make use of these. This fixes a runtime warning about the driver needing
to be converted to the bus methods.
Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
The tee subsystem recently got a set of dedicated functions to register
(and unregister) a tee driver. Make use of them. These care for setting the
driver's bus (so the explicit assignment can be dropped) and the driver
owner (which is an improvement this driver benefits from).
Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
The tee bus got dedicated callbacks for probe and remove.
Make use of these. This fixes a runtime warning about the driver needing
to be converted to the bus methods.
Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reduce boilerplate by using the newly introduced module_tee_client_driver().
That takes care of assigning the driver's bus, so the explicit assigning
in this driver can be dropped.
Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
The tee bus got dedicated callbacks for probe and remove.
Make use of these. This fixes a runtime warning about the driver needing
to be converted to the bus methods. Note that the return value of .remove()
was already ignored before, so there is no problem introduced by dropping
the error returns.
Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reduce boilerplate by using the newly introduced module_tee_client_driver().
That takes care of assigning the driver's bus, so the explicit assigning
in this driver can be dropped.
Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Arnd Bergmann
Thierry Reding
Prathamesh Shete
Colin Ian King
Geert Uytterhoeven
Herve Codina (Schneider Electric)
Aristo Chen
Uwe Kleine-König
Vladimir Zapolskiy
Thorsten Blum
Michal Simek
Rob Herring (Arm)
Julia Lawall