Added:
- 'impl<T, E> [Pin]Init<T, E> for Result<T, E>', so results are now
(pin-)initializers.
- 'Zeroable::init_zeroed()' delegating to 'init_zeroed()'.
- New 'zeroed()', a safe version of 'mem::zeroed()' and also provide
it via 'Zeroable::zeroed()'.
- Implement 'Zeroable' for 'Option<&T>' and 'Option<&mut T>'.
- Implement 'Zeroable' for 'Option<[unsafe] [extern "abi"]
fn(...args...) -> ret>' for '"Rust"' and '"C"' ABIs and up to 20
arguments.
Changed:
- Blanket impls of 'Init' and 'PinInit' from 'impl<T, E> [Pin]Init<T, E>
for T' to 'impl<T> [Pin]Init<T> for T'.
- Renamed 'zeroed()' to 'init_zeroed()'.
Upstream dev news:
- More CI improvements to deny warnings, use '--all-targets'. Also check
the synchronization status of the two '-next' branches in upstream and
the kernel.
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Merge tag 'pin-init-v6.17' of https://github.com/Rust-for-Linux/linux into rust-next
Pull pin-init updates from Benno Lossin:
"Added:
- 'impl<T, E> [Pin]Init<T, E> for Result<T, E>', so results are now
(pin-)initializers.
- 'Zeroable::init_zeroed()' delegating to 'init_zeroed()'.
- New 'zeroed()', a safe version of 'mem::zeroed()' and also provide
it via 'Zeroable::zeroed()'.
- Implement 'Zeroable' for 'Option<&T>' and 'Option<&mut T>'.
- Implement 'Zeroable' for 'Option<[unsafe] [extern "abi"]
fn(...args...) -> ret>' for '"Rust"' and '"C"' ABIs and up to 20
arguments.
Changed:
- Blanket impls of 'Init' and 'PinInit' from 'impl<T, E>
[Pin]Init<T, E> for T' to 'impl<T> [Pin]Init<T> for T'.
- Renamed 'zeroed()' to 'init_zeroed()'.
Upstream dev news:
- More CI improvements to deny warnings, use '--all-targets'. Also
check the synchronization status of the two '-next' branches in
upstream and the kernel."
Acked-by: Andreas Hindborg <a.hindborg@kernel.org>
* tag 'pin-init-v6.17' of https://github.com/Rust-for-Linux/linux:
rust: pin-init: examples, tests: use `ignore` instead of conditionally compiling tests
rust: init: remove doctest's `Error::from_errno` workaround
rust: init: re-enable doctests
rust: pin-init: implement `ZeroableOption` for function pointers with up to 20 arguments
rust: pin-init: change `impl Zeroable for Option<NonNull<T>>` to `ZeroableOption for NonNull<T>`
rust: pin-init: implement `ZeroableOption` for `&T` and `&mut T`
rust: pin-init: add `zeroed()` & `Zeroable::zeroed()` functions
rust: pin-init: add `Zeroable::init_zeroed`
rust: pin-init: rename `zeroed` to `init_zeroed`
rust: pin-init: feature-gate the `stack_init_reuse` test on the `std` feature
rust: pin-init: examples: pthread_mutex: disable the main test for miri
rust: pin-init: examples, tests: add conditional compilation in order to compile under any feature combination
rust: pin-init: change blanket impls for `[Pin]Init` and add one for `Result<T, E>`
rust: pin-init: improve safety documentation for `impl<T> [Pin]Init<T> for T`
The "osc_12m" fixed factor clock refers the external oscillator by
setting clk_parent_data.fw_name to osc_24m, which is obviously wrong
since no clock-names property is allowed for compatible
thead,th1520-clk-ap.
Refer the oscillator as parent by index instead.
Fixes: ae81b69fd2 ("clk: thead: Add support for T-Head TH1520 AP_SUBSYS clocks")
Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Drew Fustini <fustini@kernel.org>
Signed-off-by: Drew Fustini <fustini@kernel.org>
- Add a missing property to the Mediatek MT8188 clk binding to
keep binding checks happy
- Avoid an OOB by setting the correct number of parents in
dispmix_csr_clk_dev_data
- Allocate clk_hw structs early in probe to avoid an ordering
issue where clk_parent_data points to an unallocated clk_hw
when the child clk is registered before the parent clk in the
SCMI clk driver
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Fixes for a few clk drivers and bindings:
- Add a missing property to the Mediatek MT8188 clk binding to
keep binding checks happy
- Avoid an OOB by setting the correct number of parents in
dispmix_csr_clk_dev_data
- Allocate clk_hw structs early in probe to avoid an ordering
issue where clk_parent_data points to an unallocated clk_hw
when the child clk is registered before the parent clk in the
SCMI clk driver
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
dt-bindings: clock: mediatek: Add #reset-cells property for MT8188
clk: imx: Fix an out-of-bounds access in dispmix_csr_clk_dev_data
clk: scmi: Handle case where child clocks are initialized before their parents
Fix Smatch-detected error:
drivers/block/floppy.c:3569 fd_locked_ioctl() error:
uninitialized symbol 'outparam'.
Smatch may incorrectly warn about uninitialized use of 'outparam'
in fd_locked_ioctl(), even though all _IOC_READ commands guarantee
its initialization. Initialize outparam to NULL to make this explicit
and suppress the false positive.
Signed-off-by: Purva Yeshi <purvayeshi550@gmail.com>
Reviewed-by: Denis Efremov <efremov@linux.com>
Link: https://lore.kernel.org/r/20250713070020.14530-1-purvayeshi550@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The PID of the stub process can be obtained from current_mm_id().
There is no need to track it via userspace_pid[]. Stop doing that
to simplify the code.
Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20250711065021.2535362-4-tiwei.bie@linux.dev
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Avoid declaring a new variable 'ret' inside the 'if (using_seccomp)'
block, as the existing 'err' variable declared at the top of the
function already serves the same purpose.
Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20250711065021.2535362-2-tiwei.bie@linux.dev
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
- Allow hugetlb PMD sharing only on 64-bit as it doesn't make a whole lotta
sense on 32-bit
- Add fixes for a misconfigured AMD Zen2 client which wasn't even supposed to
run Linux
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Merge tag 'x86_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Update Kirill's email address
- Allow hugetlb PMD sharing only on 64-bit as it doesn't make a whole
lotta sense on 32-bit
- Add fixes for a misconfigured AMD Zen2 client which wasn't even
supposed to run Linux
* tag 'x86_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
MAINTAINERS: Update Kirill Shutemov's email address for TDX
x86/mm: Disable hugetlb page table sharing on 32-bit
x86/CPU/AMD: Disable INVLPGB on Zen2
x86/rdrand: Disable RDSEED on AMD Cyan Skillfish
- Fix a randconfig build failure in armada-370-xp irqchip
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Merge tag 'irq_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Borislav Petkov:
- Fix a case of recursive locking in the MSI code
- Fix a randconfig build failure in armada-370-xp irqchip
* tag 'irq_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/irq-msi-lib: Fix build with PCI disabled
PCI/MSI: Prevent recursive locking in pci_msix_write_tph_tag()
about it
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Merge tag 'perf_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fix from Borislav Petkov:
- Prevent perf_sigtrap() from observing an exiting task and warning
about it
* tag 'perf_urgent_for_v6.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Fix WARN in perf_sigtrap()
- Add Expanded Serial Peripheral Interface (xSPI) clocks and resets on
RZ/V2H(P) and RZ/V2N,
- Add SPI (RSPI) clocks and resets on RZ/V2H(P),
- Add SDHI and I2C clocks on RZ/T2H and RZ/N2H,
- Add Ethernet clocks and resets on RZ/G3E,
- Miscellaneous fixes and improvements.
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Merge tag 'renesas-clk-for-v6.17-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-renesas
Pull Renesas clk driver updates from Geert Uytterhoeven:
- Add Expanded Serial Peripheral Interface (xSPI) clocks and resets on
Renesas RZ/V2H(P) and RZ/V2N
- Add SPI (RSPI) clocks and resets on Renesas RZ/V2H(P)
- Add SDHI and I2C clocks on Renesas RZ/T2H and RZ/N2H
- Add Ethernet clocks and resets on Renesas RZ/G3E
- Initial support for the Renesas RZ/T2H (R9A09G077) and RZ/N2H
(R9A09G087) SoCs
- Add Ethernet clocks and resets on Renesas RZ/V2H and RZ/V2N
- Add timer, I2C, watchdog, GPU, and USB2.0 clocks and resets on
Renesas RZ/V2N
- Rework Module Stop and Power Domain support on the Renesas
RZ/G2L family of SoCs (especially on RZ/G3S)
- Add I3C clocks and resets on Renesas RZ/G3E
* tag 'renesas-clk-for-v6.17-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers: (42 commits)
clk: renesas: r9a08g045: Add MSTOP for coupled clocks as well
clk: renesas: r9a09g047: Add clock and reset signals for the GBETH IPs
clk: renesas: r9a09g057: Add XSPI clock/reset
clk: renesas: r9a09g056: Add XSPI clock/reset
clk: renesas: rzv2h: Add fixed-factor module clocks with status reporting
clk: renesas: r9a09g057: Add support for xspi mux and divider
clk: renesas: r9a09g056: Add support for xspi mux and divider
clk: renesas: r9a09g077: Add RIIC module clocks
clk: renesas: r9a09g077: Add PLL2 and SDHI clock support
clk: renesas: rzv2h: Drop redundant base pointer from pll_clk
clk: renesas: r9a09g057: Add entries for the RSPIs
dt-bindings: clock: renesas,r9a09g077/87: Add SDHI_CLKHS clock ID
dt-bindings: clock: renesas,r9a09g056/57-cpg: Add XSPI core clock
clk: renesas: rzv2h: Add missing include file
clk: renesas: rzv2h: Use devm_kmemdup_array()
clk: renesas: Add CPG/MSSR support to RZ/N2H SoC
clk: renesas: r9a09g077: Add PCLKL core clock
dt-bindings: clock: renesas,cpg-mssr: Document RZ/N2H support
dt-bindings: soc: renesas: Document RZ/N2H (R9A09G087) SoC
dt-bindings: clock: renesas,r9a09g077: Add PCLKL core clock ID
...
Add support for TEMP_ALARM LITE PMIC peripherals. This subtype
utilizes a pair of registers to configure a warning interrupt
threshold temperature and an automatic hardware shutdown
threshold temperature.
Co-developed-by: David Collins <david.collins@oss.qualcomm.com>
Signed-off-by: David Collins <david.collins@oss.qualcomm.com>
Signed-off-by: Anjelique Melendez <anjelique.melendez@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250710224555.3047790-6-anjelique.melendez@oss.qualcomm.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Add support for TEMP_ALARM GEN2 PMIC peripherals with digital major
revision 2. This revision utilizes individual temp DAC registers
to set the threshold temperature for over-temperature stages 1 (warning),
2 (system shutdown), and 3 (emergency shutdown) instead of a single
register to specify a set of thresholds.
Co-developed-by: David Collins <david.collins@oss.qualcomm.com>
Signed-off-by: David Collins <david.collins@oss.qualcomm.com>
Signed-off-by: Anjelique Melendez <anjelique.melendez@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250710224555.3047790-5-anjelique.melendez@oss.qualcomm.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
In preparation to support newer temp alarm subtypes, add the "ops",
"sync_thresholds" and "configure_trip_temps" references to
spmi_temp_alarm_data. This will allow for each Temp Alarm subtype to define
its own thermal_zone_device_ops and properly initialize and configure
thermal trip temperature.
Signed-off-by: Anjelique Melendez <anjelique.melendez@oss.qualcomm.com>
Acked-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250710224555.3047790-4-anjelique.melendez@oss.qualcomm.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Currently multiple if/else statements are used in functions to decipher
between SPMI temp alarm Gen 1, Gen 2 and Gen 2 Rev 1 functionality. Instead
refactor the driver so that SPMI temp alarm chips will have reference to a
spmi_temp_alarm_data struct which defines data and function callbacks
based on the HW subtype.
Signed-off-by: Anjelique Melendez <anjelique.melendez@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20250710224555.3047790-3-anjelique.melendez@oss.qualcomm.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Certain TEMP_ALARM GEN2 PMIC peripherals need over-temperature stage 2
automatic PMIC partial shutdown. This will ensure that in the event of
reaching the hotter stage 3 over-temperature threshold, repeated faults
will be avoided during the automatic PMIC hardware full shutdown.
Modify the stage 2 shutdown control logic to ensure that stage 2
shutdown is enabled on all affected PMICs. Read the digital major
and minor revision registers to identify these PMICs.
Signed-off-by: David Collins <david.collins@oss.qualcomm.com>
Signed-off-by: Anjelique Melendez <anjelique.melendez@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250710224555.3047790-2-anjelique.melendez@oss.qualcomm.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
The commit "13bcd440f2 nvmem: core: verify cell's raw_len" caused an
extension of the "mac-address" cell from 6 to 8 bytes due to word_size
of 4 bytes. This led to a required byte swap of the full buffer length,
which caused truncation of the mac-address when read.
Previously, the mac-address was incorrectly truncated from
70:B3:D5:14:E9:0E to 00:00:70:B3:D5:14.
Fix the issue by swapping only the first 6 bytes to correctly pass the
mac-address to the upper layers.
Fixes: 13bcd440f2 ("nvmem: core: verify cell's raw_len")
Cc: stable@vger.kernel.org
Signed-off-by: Steffen Bätz <steffen@innosonix.de>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Srinivas Kandagatla <srini@kernel.org>
Link: https://lore.kernel.org/r/20250712181729.6495-3-srini@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
For UTMI+ PHY, according to programming guide, first should be set
PMUACTV bit then STOPPCLK bit. Otherwise, when the device issues
Remote Wakeup, then host notices disconnect instead.
For ULPI PHY, above mentioned bits must be set in reversed order:
STOPPCLK then PMUACTV.
Fixes: 4483ef3c16 ("usb: dwc2: Add hibernation updates for ULPI PHY")
Cc: stable <stable@kernel.org>
Signed-off-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Link: https://lore.kernel.org/r/692110d3c3d9bb2a91cedf24528a7710adc55452.1751881374.git.Minas.Harutyunyan@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Leaving the USB BCR asserted prevents the associated GDSC to turn on. This
blocks any subsequent attempts of probing the device, e.g. after a probe
deferral, with the following showing in the log:
[ 1.332226] usb30_prim_gdsc status stuck at 'off'
Leave the BCR deasserted when exiting the driver to avoid this issue.
Cc: stable <stable@kernel.org>
Fixes: a4333c3a6b ("usb: dwc3: Add Qualcomm DWC3 glue driver")
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250709132900.3408752-1-krishna.kurapati@oss.qualcomm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Nolibc supports the x32 ABI on x86.
Add a testcase to make sure the support stays functional.
QEMU user does not have support for x32, so skip the test there.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20250712-nolibc-x32-v1-2-6d81cb798710@weissschuh.net
Nolibc assumes that the kernel ABI is using a time values that are as
large as a long integer. For most ABIs this holds true.
But for x32 this is not correct, as it uses 32bit longs but 64bit times.
Also the 'struct stat' implementation of nolibc relies on timespec::tv_sec
and time_t being the same type. While timespec::tv_sec comes from the
kernel and is of type __kernel_old_time_t, time_t is defined within nolibc.
Switch to the __kernel_old_time_t to always get the correct type.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20250712-nolibc-x32-v1-1-6d81cb798710@weissschuh.net
Acked-by: Willy Tarreau <w@1wt.eu>
Introduce AC-coupled activity and inactivity as MAG_ADAPTIVE events.
This adds a new set of threshold and duration configuration options,
ensures proper handling of event disabling, and extends the use of the
link bit to support complementary event configurations.
For example, either ACTIVITY or ACTIVITY_AC can be enabled, but only the
most recently set configuration will remain active. Disabling ACTIVITY
will have no effect if ACTIVITY_AC is currently enabled, as the event
types must match (i.e., ACTIVITY_AC must be explicitly disabled). When
either INACTIVITY or INACTIVITY_AC is enabled alongside an activity
event, the link bit is set.
With the link bit and auto-sleep enabled, activity and inactivity events
represent changes in the sensor's power-saving state and are only
triggered upon actual state transitions. Since AC coupling uses separate
bits for activity and inactivity, each can be configured independently.
For instance, ACTIVITY can be linked with INACTIVITY_AC.
If one of the linked events is disabled, the link bit is cleared. In
that case, the remaining event will no longer reflect a state transition
but will instead trigger based on periodic inactivity or whenever the
activity threshold is exceeded.
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250702230819.19353-8-l.rubusch@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Configure the link bit to associate activity and inactivity sensing,
allowing the sensor to reflect its internal power-saving state.
Additionally, enable the auto-sleep bit to transition the sensor into
auto-sleep mode during periods of inactivity, as outlined in the
datasheet.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Link: https://patch.msgid.link/20250702230819.19353-7-l.rubusch@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Enhance the interrupt handler to process inactivity events. Introduce
functions to configure the threshold and period registers for
inactivity detection, as well as to enable or disable the inactivity
feature. Extend the fake IIO channel to handle inactivity events by
combining the x, y, and z axes using a logical AND operation.
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250702230819.19353-6-l.rubusch@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add support for configuring an activity detection threshold. Extend the
interrupt handler to process activity-related interrupts, and provide
functions to set the threshold as well as to enable or disable activity
sensing. Additionally, introduce a virtual channel that represents the
logical AND of the x, y, and z axes in the IIO channel.
This patch serves as a preparatory step; some definitions and functions
introduced here are intended to be extended later to support inactivity
detection.
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250702230819.19353-5-l.rubusch@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cover the following tasks:
- Add scan_mask and scan_index to the IIO channel configuration. The
scan_index sets up buffer usage. According to the datasheet, the ADXL313
uses a 13-bit wide data field in full-resolution mode. Set the
signedness, number of storage bits, and endianness accordingly.
- Parse the devicetree for an optional interrupt line and configure the
interrupt mapping based on its presence. If no interrupt line is
specified, keep the FIFO in bypass mode as currently implemented.
- Set up the interrupt handler. Add register access to detect and
evaluate interrupts. Implement functions to clear status registers and
reset the FIFO.
- Implement FIFO watermark configuration and handling. Allow the
watermark level to be set, evaluate the corresponding interrupt, read
the FIFO contents, and push the data to the IIO channel.
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250702230819.19353-4-l.rubusch@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Refactor the control of measurement and standby modes for the sensor.
Instead of directly writing to the register, encapsulate this operation
in a dedicated function that handles enabling and disabling measurement.
This approach will reduce code duplication wherever sensor configuration
changes are required. In subsequent patches, measurement mode will be
set to standby as part of this process.
Additionally, simplify the control mask to include only the measurement
bit. The sleep bit governs a different behavior—putting the sensor into
sleep mode, not just standby for configuration—and is currently unused.
Therefore, there's no need to include both the sleep and measurement
bits in the same mask.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250702230819.19353-3-l.rubusch@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Setup regmap cache to cache register configuration, reducing bus traffic
for repeated accesses to non volatile registers.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250702230819.19353-2-l.rubusch@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
MediaTek MT6373 is a PMIC found on MT8196/MT6991 board designs
and communicates with the SoC over SPMI.
This PMIC integrates an Auxiliary ADC (AUXADC) which has a grand
total of 54 channels, of which usually only 9 are used as this
is usually paired with MT6363 on the same board.
For the Auxiliary ADC part, this reuses the same register layout
as the MT6363 PMIC, but exposes only a subset of the ADC chans.
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250703141146.171431-7-angelogioacchino.delregno@collabora.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
MediaTek MT6363 is a PMIC found on MT8196/MT6991 board designs
and communicates with the SoC over SPMI.
This PMIC integrates an Auxiliary ADC (AUXADC) which has a grand
total of 54 ADC channels: 49 PMIC-internal channels, 2 external
NTC thermistor channels and 2 generic ADC channels (mapped to 7
PMIC ADC external inputs).
To use a generic ADC channel it is necessary to enable one of
the PMIC ADC inputs at a time and only then start the reading,
so in this case it is possible to read only one external input
for each generic ADC channel.
Due to the lack of documentation, this implementation supports
using only one generic ADC channel, hence supports reading only
one external input at a time.
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250703141146.171431-6-angelogioacchino.delregno@collabora.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
In preparation to add support for new PMICs, add a `vref_mv`
member to struct mtk_pmic_auxadc_info and use it in place of
the AUXADC_VOLT_FULL definition.
As a consequence, the definition was also removed.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250703141146.171431-5-angelogioacchino.delregno@collabora.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
In preparation for adding support for the AUXADC block found in
the MT6363 PMIC, add the ready register index and mask to the
mtk_pmic_auxadc_chan structure, populate those in the channel
description for all of the already supported SoCs and make use
of them in the .read_imp() callbacks.
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250703141146.171431-4-angelogioacchino.delregno@collabora.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add a compatible and channel bindings for MediaTek's MT6373 PMIC,
featuring an Auxiliary ADC IP with 15 ADC channels for external
(SoC) temperatures and external voltage inputs.
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250703141146.171431-3-angelogioacchino.delregno@collabora.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add a compatible and channel bindings for MediaTek's MT6363 PMIC,
featuring an Auxiliary ADC IP with 15 ADC channels used for both
internal temperatures and voltages and for external voltage inputs.
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250703141146.171431-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add SPI offload support to the ad_sigma_delta module.
When the SPI controller has SPI offload capabilities, the module will
now use that for buffered reads instead of the RDY interrupt trigger.
Drivers that use the ad_sigma_delta module will have to opt into this
by setting supports_spi_offload since each driver will likely need
additional changes before SPI offload can be used. This will allow us
to gradually enable SPI offload support for each driver.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250701-iio-adc-ad7173-add-spi-offload-support-v3-11-42abb83e3dac@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use spi_optimize_message() to improve the performance of buffered reads.
By setting up the SPI message and pre-optimizing it in the buffer
postenable callback, we can reduce overhead during each sample read.
A rough estimate shows that this reduced the CPU usage of the interrupt
handler thread from 22% to 16% using an EVAL-AD4112ARDZ board on a
DE10-Nano (measuring a single channel at the default 6.2 kHz sample
rate).
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250701-iio-adc-ad7173-add-spi-offload-support-v3-8-42abb83e3dac@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Refactor code to set the read address in a separate function.
This code is already duplicated twice and we will need to use it a third
time in a later commit.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250701-iio-adc-ad7173-add-spi-offload-support-v3-7-42abb83e3dac@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Drop linux/iio/sysfs.h since it is unused and replace linux/kernel.h
with more explicit headers. There are a couple of other headers added
weren't covered by kernel.h, like linux/gpio/consumer.h that are added
since the module makes use of those APIs as well.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250701-iio-adc-ad7173-add-spi-offload-support-v3-6-42abb83e3dac@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use the BITS_TO_BYTES() macro instead of dividing by 8 to convert bits
to bytes.
This makes it more obvious what unit conversion is taking place.
In one instance, we also avoid the temporary assignment to a variable
as it was confusing that reg_size was being used with two different
units (bits and bytes).
scan_type is factored out to reduce line wrapping.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250701-iio-adc-ad7173-add-spi-offload-support-v3-5-42abb83e3dac@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use sizeof() instead of hardcoding the size of the timestamp in the
ALIGN() macro. This makes it a bit more obvious what the intention of
the code is.
Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250701-iio-adc-ad7173-add-spi-offload-support-v3-4-42abb83e3dac@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Replace uint8_t with u8 in the ad_sigma_delta driver.
Technically, uint8_t comes from the C standard library, while u8 is a
Linux kernel type. Since we don't use the C standard library in the
kernel, we should use the kernel types instead.
There is also one instance where int64_t is replaced with s64.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250701-iio-adc-ad7173-add-spi-offload-support-v3-3-42abb83e3dac@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fix overallocating the size of the scan buffer by converting bits to
bytes. The size is meant to be in bytes, so scanbits needs to be
divided by 8.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250701-iio-adc-ad7173-add-spi-offload-support-v3-1-42abb83e3dac@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Documentation/filesystems/sysfs.rst mentions that show() should only
use sysfs_emit() or sysfs_emit_at() when formating the value to be
returned to user space. So replace scnprintf() with sysfs_emit().
Signed-off-by: Chelsy Ratnawat <chelsyratnawat2001@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://patch.msgid.link/20250701154720.54276-1-chelsyratnawat2001@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Change the dlhl60d driver to use individual chip info structures instead
of an array. This reduces the verbosity of the code. Also, the data is
now const as it should have been in the first place.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250628-iio-const-data-24-v2-1-1c90073d1323@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Move the calibscale field from struct cm3232_als_info to struct
cm3232_chip. The chip info struct is supposed to be const while the
driver data struct should contain mutable fields. Since calibscale
is a mutable field, it should be in the driver data struct.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250628-iio-const-data-20-v1-1-2bf90b03f9f1@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
