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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Updates for SoC specific drivers include a few subsystems that have
their own maintainers but send them through the soc tree:
TEE/OP-TEE:
- Add tracepoints around calls to secure world
Memory controller drivers:
- Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
- Add debug statistics to Tegra20 memory controller
- Update Tegra bindings and convert to dtschema
ARM SCMI Firmware:
- Support for modular SCMI protocols and vendor specific extensions
- New SCMI IIO driver
- Per-cpu DVFS
The other driver changes are all from the platform maintainers
directly and reflect the drivers that don't fit into any other
subsystem as well as treewide changes for a particular platform.
SoCFPGA:
- Various cleanups contributed by Krzysztof Kozlowski
Mediatek:
- add MT8183 support to mutex driver
- MMSYS: use per SoC array to describe the possible routing
- add MMSYS support for MT8183 and MT8167
- add support for PMIC wrapper with integrated arbiter
- add support for MT8192/MT6873
Tegra:
- Bug fixes to PMC and clock drivers
NXP/i.MX:
- Update SCU power domain driver to keep console domain power on.
- Add missing ADC1 power domain to SCU power domain driver.
- Update comments for single global power domain in SCU power domain
driver.
- Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
NXP/FSL SoC driver updates for v5.13
- Add ACPI support for RCPM driver
- Use generic io{read,write} for QE drivers after performance
optimized for PowerPC
- Fix QBMAN probe to cleanup HW states correctly for kexec
- Various cleanup and style fix for QBMAN/QE/GUTS drivers
OMAP:
- Preparation to use devicetree for genpd
- ti-sysc needs iorange check improved when the interconnect target
module has no control registers listed
- ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to
avoid issues with missing resources and unnecessary deferred probe
- ti-sysc debug option can now detect more devices
- ti-sysc now warns if an old incomplete devicetree data is found as
we now rely on it being complete for am3 and 4
- soc init code needs to check for prcm and prm nodes for omap4/5 and
dra7
- omap-prm driver needs to enable autoidle retention support for
omap4
- omap5 clocks are missing gpmc and ocmc clock registers
- pci-dra7xx now needs to use builtin_platform_driver instead of
using builtin_platform_driver_probe for deferred probe to work
Raspberry Pi:
- Fix-up all RPi firmware drivers so as for unbind to happen in an
orderly fashion
- Support for RPi's PoE hat PWM bus
Qualcomm
- Improved detection for SCM calling conventions
- Support for OEM specific wifi firmware path
- Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP"
* tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
soc: aspeed: fix a ternary sign expansion bug
memory: mtk-smi: Add device-link between smi-larb and smi-common
memory: samsung: exynos5422-dmc: handle clk_set_parent() failure
memory: renesas-rpc-if: fix possible NULL pointer dereference of resource
clk: socfpga: fix iomem pointer cast on 64-bit
soc: aspeed: Adapt to new LPC device tree layout
pinctrl: aspeed-g5: Adapt to new LPC device tree layout
ipmi: kcs: aspeed: Adapt to new LPC DTS layout
ARM: dts: Remove LPC BMC and Host partitions
dt-bindings: aspeed-lpc: Remove LPC partitioning
soc: fsl: enable acpi support in RCPM driver
soc: qcom: mdt_loader: Detect truncated read of segments
soc: qcom: mdt_loader: Validate that p_filesz < p_memsz
soc: qcom: pdr: Fix error return code in pdr_register_listener
firmware: qcom_scm: Fix kernel-doc function names to match
firmware: qcom_scm: Suppress sysfs bind attributes
firmware: qcom_scm: Workaround lack of "is available" call on SC7180
firmware: qcom_scm: Reduce locking section for __get_convention()
firmware: qcom_scm: Make __qcom_scm_is_call_available() return bool
Revert "soc: fsl: qe: introduce qe_io{read,write}* wrappers"
...
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into arm/drivers
arm64: soc: ZynqMP SoC changes for v5.13
- Fix firmware removal path
- Cleanup eemi doc and *ops()
* tag 'zynqmp-soc-for-v5.13' of https://github.com/Xilinx/linux-xlnx:
firmware: xilinx: Remove zynqmp_pm_get_eemi_ops() in IS_REACHABLE(CONFIG_ZYNQMP_FIRMWARE)
firmware: xilinx: Fix dereferencing freed memory
Link: https://lore.kernel.org/r/a44f8e9f-cea7-57ef-c3bc-10f5f5e064fc@monstr.eu
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Fix smatch warning:
drivers/firmware/xilinx/zynqmp.c:1288 zynqmp_firmware_remove()
error: dereferencing freed memory 'feature_data'
Use hash_for_each_safe for safe removal of hash entry.
Fixes: acfdd18591ea ("firmware: xilinx: Use hash-table for api feature check")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Link: https://lore.kernel.org/r/1612765883-22018-1-git-send-email-rajan.vaja@xilinx.com
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
More Qualcomm driver updates for 5.13
This improves the Qualcomm SCM driver logic related to detecting the
calling convention, in particular on SC7180, and fixes a few small
issues in the same.
It introduces additonal sanity checks of the size of loaded segments in
the MDT loader and adds a missing error in the return path of
pdr_register_listener().
It makes it possible to specify the OEM specific firmware path in the
wcn36xx control (and WiFi) driver.
Lastly it adds a missing path specifier in the MAINTAINERS' entry and
fixes a bunch of kerneldoc issues in various drivers.
* tag 'qcom-drivers-for-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: mdt_loader: Detect truncated read of segments
soc: qcom: mdt_loader: Validate that p_filesz < p_memsz
soc: qcom: pdr: Fix error return code in pdr_register_listener
firmware: qcom_scm: Fix kernel-doc function names to match
firmware: qcom_scm: Suppress sysfs bind attributes
firmware: qcom_scm: Workaround lack of "is available" call on SC7180
firmware: qcom_scm: Reduce locking section for __get_convention()
firmware: qcom_scm: Make __qcom_scm_is_call_available() return bool
soc: qcom: wcnss_ctrl: Allow reading firmware-name from DT
soc: qcom: wcnss_ctrl: Introduce local variable "dev"
dt-bindings: soc: qcom: wcnss: Add firmware-name property
soc: qcom: address kernel-doc warnings
MAINTAINERS: add another entry for ARM/QUALCOMM SUPPORT
Link: https://lore.kernel.org/r/20210409162001.775851-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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These functions were renamed but the kernel doc didn't follow along. Fix
it.
Cc: Elliot Berman <eberman@codeaurora.org>
Cc: Brian Masney <masneyb@onstation.org>
Cc: Stephan Gerhold <stephan@gerhold.net>
Cc: Jeffrey Hugo <jhugo@codeaurora.org>
Cc: Douglas Anderson <dianders@chromium.org>
Fixes: 9a434cee773a ("firmware: qcom_scm: Dynamically support SMCCC and legacy conventions")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20210223214539.1336155-6-swboyd@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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We don't want userspace ejecting this driver at runtime. Various other
drivers call into this code because it provides the mechanism to
communicate with the secure world on qcom SoCs. It should probe once and
be present forever after that.
Cc: Elliot Berman <eberman@codeaurora.org>
Cc: Brian Masney <masneyb@onstation.org>
Cc: Stephan Gerhold <stephan@gerhold.net>
Cc: Jeffrey Hugo <jhugo@codeaurora.org>
Cc: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20210223214539.1336155-5-swboyd@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Some SC7180 firmwares don't implement the QCOM_SCM_INFO_IS_CALL_AVAIL
API, so we can't probe the calling convention. We detect the legacy
calling convention on these firmwares, because the availability call
always fails and legacy is the fallback. This leads to problems where
the rmtfs driver fails to probe, because it tries to assign memory with
a bad calling convention, which then leads to modem failing to load and
all networking, even wifi, to fail. Ouch!
Let's force the calling convention to be what it always is on this SoC,
i.e. arm64. Of course, the calling convention is not the same thing as
implementing the QCOM_SCM_INFO_IS_CALL_AVAIL API. The absence of the "is
this call available" API from the firmware means that any call to
__qcom_scm_is_call_available() fails. This is OK for now though because
none of the calls that are checked for existence are implemented on
firmware running on sc7180. If such a call needs to be checked for
existence in the future, we presume that firmware will implement this
API and then things will "just work".
Cc: Elliot Berman <eberman@codeaurora.org>
Cc: Brian Masney <masneyb@onstation.org>
Cc: Stephan Gerhold <stephan@gerhold.net>
Cc: Jeffrey Hugo <jhugo@codeaurora.org>
Cc: Douglas Anderson <dianders@chromium.org>
Fixes: 9a434cee773a ("firmware: qcom_scm: Dynamically support SMCCC and legacy conventions")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20210223214539.1336155-4-swboyd@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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We shouldn't need to hold this spinlock here around the entire SCM call
into the firmware and back. Instead, we should be able to query the
firmware, potentially in parallel with other CPUs making the same
convention detection firmware call, and then grab the lock to update the
calling convention detected. The convention doesn't change at runtime so
calling into firmware more than once is possibly wasteful but simpler.
Besides, this is the slow path, not the fast path where we've already
detected the convention used.
More importantly, this allows us to add more logic here to workaround
the case where the firmware call to check for availability isn't
implemented in the firmware at all. In that case we can check the
firmware node compatible string and force a calling convention.
Note that we remove the 'has_queried' logic that is repeated twice. That
could lead to the calling convention being printed multiple times to the
kernel logs if the bool is true but __query_convention() is running on
multiple CPUs. We also shorten the time where the lock is held, but we
keep the lock held around the printk because it doesn't seem hugely
important to drop it for that.
Cc: Elliot Berman <eberman@codeaurora.org>
Cc: Brian Masney <masneyb@onstation.org>
Cc: Stephan Gerhold <stephan@gerhold.net>
Cc: Jeffrey Hugo <jhugo@codeaurora.org>
Cc: Douglas Anderson <dianders@chromium.org>
Fixes: 9a434cee773a ("firmware: qcom_scm: Dynamically support SMCCC and legacy conventions")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20210223214539.1336155-3-swboyd@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Make __qcom_scm_is_call_available() return bool instead of int. The
function has "is" in the name, so it should return a bool to indicate
the truth of the call being available. Unfortunately, it can return a
number < 0 which also looks "true", but not all callers expect that and
thus they think a call is available when really the check to see if the
call is available failed to figure it out.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Elliot Berman <eberman@codeaurora.org>
Cc: Brian Masney <masneyb@onstation.org>
Cc: Stephan Gerhold <stephan@gerhold.net>
Cc: Jeffrey Hugo <jhugo@codeaurora.org>
Cc: Douglas Anderson <dianders@chromium.org>
Fixes: 0f206514749b ("scsi: firmware: qcom_scm: Add support for programming inline crypto keys")
Fixes: 0434a4061471 ("firmware: qcom: scm: add support to restore secure config to qcm_scm-32")
Fixes: b0a1614fb1f5 ("firmware: qcom: scm: add OCMEM lock/unlock interface")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20210223214539.1336155-2-swboyd@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/drivers
SoCFPGA updates for v5.13, part 2
- Only build Stratix10 Service Layer and RSU drivers on ARM64
* tag 'socfpga_update_for_v5.13_part2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
firmware: stratix10-svc: build only on 64-bit ARM
Link: https://lore.kernel.org/r/20210405155026.86309-1-dinguyen@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The Stratix10 service layer and RCU drivers are useful only on
Stratix10, so on ARMv8. Compile testing the RCU driver on 32-bit ARM
fails:
drivers/firmware/stratix10-rsu.c: In function 'rsu_status_callback':
include/linux/compiler_types.h:320:38: error: call to '__compiletime_assert_179'
declared with attribute error: FIELD_GET: type of reg too small for mask
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
...
drivers/firmware/stratix10-rsu.c:96:26: note: in expansion of macro 'FIELD_GET'
priv->status.version = FIELD_GET(RSU_VERSION_MASK,
Fixes: 4483397b0353 ("ARM: socfpga: drop ARCH_SOCFPGA")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reported-by: kernel test robot <lkp@intel.com>
Acked-by: Richard Gong <richard.gong@linux.intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
---
v2: add Fixes tag
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git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/drivers
ARM SCMI updates for v5.13
The major and big addition this time is to support modularisation of
individual SCMI protocols thus enabling to add support for vendors'
custom SCMI protocol. This changes the interface provided by the SCMI
driver to all the users of SCMI and hence involved changes in various
other subsystem SCMI drivers. The change has been split with a bit of
transient code to preserve bisectability and avoiding one big patch bomb
changing all the users.
This also includes SCMI IIO driver(pulled from IIO tree) and support for
per-cpu DVFS.
* tag 'scmi-updates-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: (41 commits)
firmware: arm_scmi: Add dynamic scmi devices creation
firmware: arm_scmi: Add protocol modularization support
firmware: arm_scmi: Rename non devres notify_ops
firmware: arm_scmi: Make notify_priv really private
firmware: arm_scmi: Cleanup events registration transient code
firmware: arm_scmi: Cleanup unused core transfer helper wrappers
firmware: arm_scmi: Cleanup legacy protocol init code
firmware: arm_scmi: Make references to handle const
firmware: arm_scmi: Remove legacy scmi_voltage_ops protocol interface
regulator: scmi: Port driver to the new scmi_voltage_proto_ops interface
firmware: arm_scmi: Port voltage protocol to new protocols interface
firmware: arm_scmi: Port systempower protocol to new protocols interface
firmware: arm_scmi: Remove legacy scmi_sensor_ops protocol interface
iio/scmi: Port driver to the new scmi_sensor_proto_ops interface
hwmon: (scmi) port driver to the new scmi_sensor_proto_ops interface
firmware: arm_scmi: Port sensor protocol to new protocols interface
firmware: arm_scmi: Remove legacy scmi_reset_ops protocol interface
reset: reset-scmi: Port driver to the new scmi_reset_proto_ops interface
firmware: arm_scmi: Port reset protocol to new protocols interface
firmware: arm_scmi: Remove legacy scmi_clk_ops protocol interface
...
Link: https://lore.kernel.org/r/20210331100657.ilu63i4swnr3zp4e@bogus
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Having added the support for SCMI protocols as modules in order to let
vendors extend the SCMI core with their own additions it seems odd to
then force SCMI drivers built on top to use a static device table to
declare their devices since this way any new SCMI drivers addition
would need the core SCMI device table to be updated too.
Remove the static core device table and let SCMI drivers to simply declare
which device/protocol pair they need at initialization time: the core will
then take care to generate such devices dynamically during platform
initialization or at module loading time, as long as the requested
underlying protocol is defined in the devicetree.
Link: https://lore.kernel.org/r/20210316124903.35011-39-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Extend SCMI protocols accounting mechanism to address possible module
usage and add the support to possibly define new protocols as loadable
modules.
Keep the standard protocols built into the SCMI core.
Link: https://lore.kernel.org/r/20210316124903.35011-38-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Rename non devres managed notify_ops to use a naming pattern which exposes
the performed action verb as last token.
No functional change.
Link: https://lore.kernel.org/r/20210316124903.35011-37-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Notification private data is currently accessible via handle->notify_priv,
this data was indeed meant to be private to the notification core support
and not to be accessible by SCMI drivers. Make it private hiding it
inside instance descriptor struct scmi_info and accessible only via
dedicated helpers.
Link: https://lore.kernel.org/r/20210316124903.35011-36-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Remove all the events registration code used to ease the transition to the
new interface based on protocol handles.
Link: https://lore.kernel.org/r/20210316124903.35011-35-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Remove unused core scmi_xfer wrappers now that we have migrated all
protocols to the new interface based on protocol handles.
Link: https://lore.kernel.org/r/20210316124903.35011-34-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Now that all protocols and drivers have been ported to the new interface
based on protocol handles and get/put operations, remove all the legacy
transient initialization code.
Link: https://lore.kernel.org/r/20210316124903.35011-33-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Now that all the protocol private variable data have been moved out of
struct scmi_handle, mark all of its references as const.
Link: https://lore.kernel.org/r/20210316124903.35011-32-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Now that all the SCMI driver users have been migrated to the new interface
remove the legacy interface and all the transient code.
Link: https://lore.kernel.org/r/20210316124903.35011-31-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Convert internals of protocol implementation to use protocol handles and
expose a new protocol operations interface for SCMI driver using the new
get/put common operations, while keeping the old handle->voltage_ops still
around to ease transition.
Remove handle->voltage_priv now unused.
Link: https://lore.kernel.org/r/20210316124903.35011-29-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Convert internals of protocol implementation to use protocol handles and
expose a new protocol operations interface for SCMI driver using the new
get/put common operations.
Remove handle->system_priv now unused.
Link: https://lore.kernel.org/r/20210316124903.35011-28-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Now that all the SCMI driver users have been migrated to the new interface
remove the legacy interface and all the transient code.
Link: https://lore.kernel.org/r/20210316124903.35011-27-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Convert internals of protocol implementation to use protocol handles and
expose a new protocol operations interface for SCMI driver using the new
get/put common operations, while keeping the old handle->sensor_ops still
around to ease transition.
Remove handle->sensor_priv now unused.
Link: https://lore.kernel.org/r/20210316124903.35011-24-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Now that all the SCMI driver users have been migrated to the new interface
remove the legacy interface and all the transient code.
Link: https://lore.kernel.org/r/20210316124903.35011-23-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Convert internals of protocol implementation to use protocol handles and
expose a new protocol operations interface for SCMI driver using the new
get/put common operations, while keeping the old handle->reset_ops still
around to ease transition.
Remove handle->reset_priv now unused.
Link: https://lore.kernel.org/r/20210316124903.35011-21-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Now that all the SCMI driver users have been migrated to the new interface
remove the legacy interface and all the transient code.
Link: https://lore.kernel.org/r/20210316124903.35011-20-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Convert internals of protocol implementation to use protocol handles and
expose a new protocol operations interface for SCMI driver using the new
get/put common operations, while keeping the old handle->clk_ops still
around to ease transition.
Remove handle->clock_priv now unused.
Link: https://lore.kernel.org/r/20210316124903.35011-18-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Now that all the SCMI driver users have been migrated to the new interface
remove the legacy interface and all the transient code.
Link: https://lore.kernel.org/r/20210316124903.35011-17-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Port the scmi genpd driver to the new SCMI power interface based on
protocol handles and common devm_get_ops().
Link: https://lore.kernel.org/r/20210316124903.35011-16-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Convert internals of protocol implementation to use protocol handles and
expose a new protocol operations interface for SCMI driver using the new
get/put common operations, while keeping the old handle->power_ops still
around to ease transition.
Remove handle->power_priv now unused.
Link: https://lore.kernel.org/r/20210316124903.35011-15-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Now that all the SCMI driver users have been migrated to the new interface
remove the legacy interface and all the transient code.
Link: https://lore.kernel.org/r/20210316124903.35011-14-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Convert internals of protocol implementation to use protocol handles and
expose a new protocol operations interface for SCMI driver using the new
get/put common operations, while keeping the old handle->perf_ops still
around to ease transition.
Remove handle->perf_priv now unused.
Link: https://lore.kernel.org/r/20210316124903.35011-12-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Port the SCMI base protocol to new protocol handles based interface.
Link: https://lore.kernel.org/r/20210316124903.35011-11-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Add an helper to access from a protocol handle, the SCMI version data
which is exposed on sysfs. Such helper will be needed by SCMI base
protocol initialization once it will be moved to new protocol handles
scheme.
Link: https://lore.kernel.org/r/20210316124903.35011-10-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Add new core SCMI transfer operations based on protocol handles to
enable protocols to builds and send their own protocol specific messages.
Keep old original scmi_xfer_ operations interface as wrappers around the
new interface in order to let coexist old and new interfaces to ease
protocol by protocol migration.
In order to support such migration the above wrappers and some
additional transient code is also introduced in this commit. It will be
later removed as a whole once the full migration of protocols and SCMI
drivers will have been completed.
Link: https://lore.kernel.org/r/20210316124903.35011-9-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Convert all refactored events registration routines to use protocol
handles.
In order to maintain bisectability and to allow protocols and drivers
to be later ported to the new protocol handle interface one by one,
introduce here also some transient code that will be removed later
in order to ease such transition.
Link: https://lore.kernel.org/r/20210316124903.35011-8-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Add a new refactored protocol events registration helper and invoke it
from the centralized initialization process triggered by get_ops() and
friends.
Also add a `get_num_sources` as a new optional callback amongst protocol
events operations. Finally remove events registration call-sites from
within the legacy protocol init routines.
Link: https://lore.kernel.org/r/20210316124903.35011-7-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Expose to the SCMI drivers a new alternative devres managed notifications
API based on protocol handles.
All drivers still keep using the old API, no functional change.
Link: https://lore.kernel.org/r/20210316124903.35011-6-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Account for any active registered notifier against the proper related
protocol, do not consider pending event handlers, only active handlers
will concur to protocol usage accounting.
Link: https://lore.kernel.org/r/20210316124903.35011-5-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Expose to the SCMI drivers a new devres managed common protocols API
based on generic get/put methods and protocol handles.
All drivers still keep using the old API, no functional change.
Link: https://lore.kernel.org/r/20210316124903.35011-4-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Add basic protocol handles definitions and private data helpers.
A protocol handle identifies a protocol instance initialized against a
specific handle, it embeds all the references to the core SCMI transfer
methods that will be needed by a protocol implementation to build and
send its own protocol specific messages using common core methods.
As such, in the interface, a protocol handle will be passed down from
the core to the protocol specific initialization callback at init time.
Anyways, at this point only definitions are introduced, all protocols
initialization code and SCMI drivers probing is still based on the old
interface, so no functional change.
Link: https://lore.kernel.org/r/20210316124903.35011-3-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Extend common protocol registration routines and provide some new generic
protocols get/put helpers that can track protocols usage and automatically
perform the proper initialization and de-initialization on demand when
required.
Convert all standard protocols to use this new registration scheme while
keeping them all still using the usual initialization logic bound to SCMI
devices probing.
Link: https://lore.kernel.org/r/20210316124903.35011-2-cristian.marussi@arm.com
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/drivers
SoCFPGA updates for v5.13
- Patches from Krzysztof Kozlowski the cleans up and consolidate support for
SoCFPGA platforms
- Rename ARCH_SOCFPGA into ARCH_INTEL_SOCFPGA
- Consolidate ARCH_STRATIX10 into ARCH_INTEL_SOCFPGA
- Consolidate ARCH_AGILEX into ARCH_INTEL_SOCFPGA
- Consolidate ARCH_N5X into ARCH_INTEL_SOCFPGA
* tag 'socfpga_update_for_v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
ARM: socfpga: drop ARCH_SOCFPGA
reset: socfpga: use ARCH_INTEL_SOCFPGA also for 32-bit ARM SoCs
i2c: altera: use ARCH_INTEL_SOCFPGA also for 32-bit ARM SoCs
fpga: altera: use ARCH_INTEL_SOCFPGA also for 32-bit ARM SoCs
dmaengine: socfpga: use ARCH_INTEL_SOCFPGA also for 32-bit ARM SoCs
clk: socfpga: use ARCH_INTEL_SOCFPGA also for 32-bit ARM SoCs (and compile test)
clk: socfpga: allow compile testing of Stratix 10 / Agilex clocks
arm64: socfpga: merge Agilex and N5X into ARCH_INTEL_SOCFPGA
EDAC: altera: merge ARCH_SOCFPGA and ARCH_STRATIX10
clk: socfpga: merge ARCH_SOCFPGA and ARCH_STRATIX10
clk: socfpga: build together Stratix 10, Agilex and N5X clock drivers
net: stmmac: merge ARCH_SOCFPGA and ARCH_STRATIX10
mfd: altera: merge ARCH_SOCFPGA and ARCH_STRATIX10
ARM: socfpga: introduce common ARCH_INTEL_SOCFPGA
clk: socfpga: allow building N5X clocks with ARCH_N5X
Link: https://lore.kernel.org/r/20210330110430.558182-1-dinguyen@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Agilex, N5X and Stratix 10 share all quite similar arm64 hard cores and
SoC-part. Up to a point that N5X uses the same DTSI as Agilex. From
the Linux kernel point of view these are flavors of the same
architecture so there is no need for three top-level arm64
architectures. Simplify this by merging all three architectures into
ARCH_INTEL_SOCFPGA and dropping the other ARCH* arm64 Kconfig entries.
The side effect is that the INTEL_STRATIX10_SERVICE will now be
available for both 32-bit and 64-bit Intel SoCFPGA, even though it is
used only for 64-bit.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers
i.MX drivers change for 5.13:
- Update SCU power domain driver to keep console domain power on.
- Add missing ADC1 power domain to SCU power domain driver.
- Update comments for single global power domain in SCU power domain
driver.
- Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
* tag 'imx-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
firmware: imx: scu-pd: add missed ADC1 pd
firmware: imx: scu-pd: Update comments for single global power domain
firmware: imx: scu-pd: do not power off console domain
soc: imx: add i.MX51/i.MX53 unique id support
Link: https://lore.kernel.org/r/20210331041019.31345-1-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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ADC1 is not defined in pd driver on 8QM.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Since the introduction of the PM domain support for the scu-pd, the genpd
framework has been continuously improved. More preciously, using a single
global power domain can quite easily be deployed for imx platforms.
To avoid confusions, let's therefore make an update to the comments about
the missing pieces.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Do not power off console domain in runtime pm.
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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