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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Removed Drivers:
- Remove support for TI TPS80031/TPS80032 PMICs
New Device Support:
- Add support for Magnetic Reader to TI AM335x
- Add support for DA9063_EA to Dialog DA9063
- Add support for SC2730 PMIC to Spreadtrum SC27xx
- Add support for MacBookPro16,2 ICL-N UART Intel LPSS PCI
- Add support for lots of new PMICS in QCom SPMI PMIC
- Add support for ADC to Diolan DLN2
New Functionality:
- Add support for Power Off to Rockchip RK817
Fix-ups:
- Simplify Regmap passing to child devices in hi6421-spmi-pmic
- SPDX licensing updates in ti_am335x_tscadc
- Improve error handling in ti_am335x_tscadc
- Expedite clock search in ti_am335x_tscadc
- Generic simplifications in ti_am335x_tscadc
- Use generic macros/defines in ti_am335x_tscadc
- Remove unused code in ti_am335x_tscadc, cros_ec_dev
- Convert to GPIOD in wcd934x
- Add namespacing in ti_am335x_tscadc
- Restrict compilation to relevant arches in intel_pmt
- Provide better description/documentation in exynos_lpass
- Add SPI device ID table in altera-a10sr, motorola-cpcap,
sprd-sc27xx-spi
- Change IRQ handling in qcom-pm8xxx
- Split out I2C and SPI code in arizona
- Explicitly include used headers in altera-a10sr
- Convert sysfs show() function to in sysfs_emit
- Standardise *_exit() and *_remove() return values in mc13xxx,
stmpe, tps65912
- Trivial (style/spelling/whitespace) fixups in ti_am335x_tscadc,
qcom-spmi-pmic, max77686-private
- Device Tree fix-ups in ti,am3359-tscadc, samsung,s2mps11,
samsung,s2mpa01, samsung,s5m8767, brcm,misc, brcm,cru, syscon,
qcom,tcsr, xylon,logicvc, max77686, x-powers,ac100,
x-powers,axp152, x-powers,axp209-gpio, syscon, qcom,spmi-pmic
Bug Fixes:
- Balance refcounting (get/put) in ti_am335x_tscadc, mfd-core
- Fix IRQ trigger type in sec-irq, max77693, max14577
- Repair off-by-one in altera-sysmgr
- Add explicit 'select MFD_CORE' to MFD_SIMPLE_MFD_I2C"
* tag 'mfd-next-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (95 commits)
mfd: simple-mfd-i2c: Select MFD_CORE to fix build error
mfd: tps80031: Remove driver
mfd: max77686: Correct tab-based alignment of register addresses
mfd: wcd934x: Replace legacy gpio interface for gpiod
dt-bindings: mfd: qcom: pm8xxx: Add pm8018 compatible
mfd: dln2: Add cell for initializing DLN2 ADC
mfd: qcom-spmi-pmic: Add missing PMICs supported by socinfo
mfd: qcom-spmi-pmic: Document ten more PMICs in the binding
mfd: qcom-spmi-pmic: Sort compatibles in the driver
mfd: qcom-spmi-pmic: Sort the compatibles in the binding
mfd: janz-cmoio: Replace snprintf in show functions with sysfs_emit
mfd: altera-a10sr: Include linux/module.h
mfd: tps65912: Make tps65912_device_exit() return void
mfd: stmpe: Make stmpe_remove() return void
mfd: mc13xxx: Make mc13xxx_common_exit() return void
dt-bindings: mfd: syscon: Add samsung,exynosautov9-sysreg compatible
mfd: altera-sysmgr: Fix a mistake caused by resource_size conversion
dt-bindings: gpio: Convert X-Powers AXP209 GPIO binding to a schema
dt-bindings: mfd: syscon: Add rk3368 QoS register compatible
mfd: arizona: Split of_match table into I2C and SPI versions
...
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'ib-mfd-misc-regulator-5.16' and 'tb-mfd-from-regulator-5.16' into ibs-for-mfd-merged
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"Thanks to the removal of the unused TPS80021 driver the regulator
updates for this cycle actually have a negative diffstat.
Otherwise it's been quite a quiet release, lots of fixes and small
improvements with the biggest individual changes being several
conversions of DT bindings to YAML format"
* tag 'regulator-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (34 commits)
regulator: Don't error out fixed regulator in regulator_sync_voltage()
regulator: tps80031: Remove driver
regulator: Fix SY7636A breakage
regulator: uniphier: Add binding for NX1 SoC
regulator: uniphier: Add USB-VBUS compatible string for NX1 SoC
regulator: qcom,rpmh: Add compatible for PM6350
regulator: qcom-rpmh: Add PM6350 regulators
regulator: sy7636a: Remove requirement on sy7636a mfd
regulator: tps62360: replacing legacy gpio interface for gpiod
regulator: lp872x: Remove lp872x_dvs_state
regulator: lp872x: replacing legacy gpio interface for gpiod
regulator: dt-bindings: samsung,s5m8767: convert to dtschema
regulator: dt-bindings: samsung,s2mpa01: convert to dtschema
regulator: dt-bindings: samsung,s2m: convert to dtschema
dt-bindings: clock: samsung,s2mps11: convert to dtschema
regulator: dt-bindings: samsung,s5m8767: correct s5m8767,pmic-buck-default-dvs-idx property
regulator: s5m8767: do not use reset value as DVS voltage if GPIO DVS is disabled
regulator: dt-bindings: maxim,max8973: convert to dtschema
regulator: dt-bindings: maxim,max8997: convert to dtschema
regulator: dt-bindings: maxim,max8952: convert to dtschema
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Thomas Gleixner:
- Move futex code into kernel/futex/ and split up the kitchen sink into
seperate files to make integration of sys_futex_waitv() simpler.
- Add a new sys_futex_waitv() syscall which allows to wait on multiple
futexes.
The main use case is emulating Windows' WaitForMultipleObjects which
allows Wine to improve the performance of Windows Games. Also native
Linux games can benefit from this interface as this is a common wait
pattern for this kind of applications.
- Add context to ww_mutex_trylock() to provide a path for i915 to
rework their eviction code step by step without making lockdep upset
until the final steps of rework are completed. It's also useful for
regulator and TTM to avoid dropping locks in the non contended path.
- Lockdep and might_sleep() cleanups and improvements
- A few improvements for the RT substitutions.
- The usual small improvements and cleanups.
* tag 'locking-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
locking: Remove spin_lock_flags() etc
locking/rwsem: Fix comments about reader optimistic lock stealing conditions
locking: Remove rcu_read_{,un}lock() for preempt_{dis,en}able()
locking/rwsem: Disable preemption for spinning region
docs: futex: Fix kernel-doc references
futex: Fix PREEMPT_RT build
futex2: Documentation: Document sys_futex_waitv() uAPI
selftests: futex: Test sys_futex_waitv() wouldblock
selftests: futex: Test sys_futex_waitv() timeout
selftests: futex: Add sys_futex_waitv() test
futex,arm: Wire up sys_futex_waitv()
futex,x86: Wire up sys_futex_waitv()
futex: Implement sys_futex_waitv()
futex: Simplify double_lock_hb()
futex: Split out wait/wake
futex: Split out requeue
futex: Rename mark_wake_futex()
futex: Rename: match_futex()
futex: Rename: hb_waiter_{inc,dec,pending}()
futex: Split out PI futex
...
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TPS80031 driver was upstreamed back in 2013 and never got a user. I noticed
that driver is abandoned while was about to write a patch to switch it to a
new power-off API (that I'm working on). Driver requires platform data that
nobody provides. Instead of changing the dead code, let's remove it.
Dmitry Osipenko (3):
rtc: tps80031: Remove driver
regulator: tps80031: Remove driver
mfd: tps80031: Remove driver
drivers/mfd/Kconfig | 14 -
drivers/mfd/Makefile | 1 -
drivers/mfd/tps80031.c | 526 -----------------
drivers/regulator/Kconfig | 9 -
drivers/regulator/Makefile | 1 -
drivers/regulator/tps80031-regulator.c | 753 -------------------------
drivers/rtc/Kconfig | 8 -
drivers/rtc/Makefile | 1 -
drivers/rtc/rtc-tps80031.c | 324 -----------
include/linux/mfd/tps80031.h | 637 ---------------------
10 files changed, 2274 deletions(-)
delete mode 100644 drivers/mfd/tps80031.c
delete mode 100644 drivers/regulator/tps80031-regulator.c
delete mode 100644 drivers/rtc/rtc-tps80031.c
delete mode 100644 include/linux/mfd/tps80031.h
--
2.32.0
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Fixed regulator can't change voltage and regulator_sync_voltage()
returns -EINVAL in this case. Make regulator_sync_voltage() to succeed
for regulators that are incapable to change voltage.
On NVIDIA Tegra power management driver needs to sync voltage and we have
one device (Trimslice) that uses fixed regulator which is getting synced.
The syncing error isn't treated as fatal, but produces a noisy error
message. This patch silences that error.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20211021183308.27786-1-digetx@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Driver was upstreamed in 2013 and never got a user, remove it.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20211021192258.21968-3-digetx@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The MFD for SY7636A still isn't merged so we need a dependency even if
it ends up not having a real driver due to the header file.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Hayashi <hayashi.kunihiko@socionext.com>:
This series includes the patches to add basic support for new UniPhier NX1
SoC. NX1 SoC also has the same kinds of controls as the other UniPhier
SoCs.
Kunihiko Hayashi (2):
dt-bindings: regulator: uniphier: Add binding for NX1 SoC
regulator: uniphier: Add USB-VBUS compatible string for NX1 SoC
.../devicetree/bindings/regulator/socionext,uniphier-regulator.yaml | 1 +
drivers/regulator/uniphier-regulator.c | 4 ++++
2 files changed, 5 insertions(+)
--
2.7.4
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This series adds basic support for the recently announced Fairphone 4
smartphone, based on the Snapdragon 750G (sm7225).
This adds support for UART, power & volume buttons, screen based on
simple-framebuffer, regulators and USB.
v2 fixes some stylistic problems in dts and corrects the situation with
pm6350 regulator supplies.
Luca Weiss (11):
clk: qcom: add select QCOM_GDSC for SM6350
dt-bindings: regulator: qcom,rpmh: Add compatible for PM6350
regulator: qcom-rpmh: Add PM6350 regulators
dt-bindings: pinctrl: qcom,pmic-gpio: Add compatible for PM6350
pinctrl: qcom: spmi-gpio: Add compatible for PM6350
arm64: dts: qcom: Add PM6350 PMIC
arm64: dts: qcom: sm6350: add debug uart
dt-bindings: arm: cpus: Add Kryo 570 CPUs
dt-bindings: arm: qcom: Document sm7225 and fairphone,fp4 board
arm64: dts: qcom: Add SM7225 device tree
arm64: dts: qcom: sm7225: Add device tree for Fairphone 4
.../devicetree/bindings/arm/cpus.yaml | 1 +
.../devicetree/bindings/arm/qcom.yaml | 6 +
.../bindings/pinctrl/qcom,pmic-gpio.yaml | 2 +
.../regulator/qcom,rpmh-regulator.yaml | 2 +
arch/arm64/boot/dts/qcom/Makefile | 1 +
arch/arm64/boot/dts/qcom/pm6350.dtsi | 54 +++
arch/arm64/boot/dts/qcom/sm6350.dtsi | 31 ++
.../boot/dts/qcom/sm7225-fairphone-fp4.dts | 320 ++++++++++++++++++
arch/arm64/boot/dts/qcom/sm7225.dtsi | 16 +
drivers/clk/qcom/Kconfig | 1 +
drivers/pinctrl/qcom/pinctrl-spmi-gpio.c | 1 +
drivers/regulator/qcom-rpmh-regulator.c | 32 ++
12 files changed, 467 insertions(+)
create mode 100644 arch/arm64/boot/dts/qcom/pm6350.dtsi
create mode 100644 arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts
create mode 100644 arch/arm64/boot/dts/qcom/sm7225.dtsi
--
2.33.0
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<alistair@alistair23.me>:
v13:
- Address comments on thermal driver
- Rebase on master (without other patches)
v12:
- Rebase
v11:
- Address comments on hwmon
- Improve "mfd: simple-mfd-i2c: Add a Kconfig name" commit message
v10:
- Use dev_get_regmap() instead of dev_get_drvdata()
v9:
- Convert to use the simple-mfd-i2c instead
Alistair Francis (9):
dt-bindings: mfd: Initial commit of silergy,sy7636a.yaml
mfd: simple-mfd-i2c: Add a Kconfig name
mfd: simple-mfd-i2c: Enable support for the silergy,sy7636a
regulator: sy7636a: Remove requirement on sy7636a mfd
thermal: sy7636a: Add thermal driver for sy7636a
hwmon: sy7636a: Add temperature driver for sy7636a
ARM: imx_v6_v7_defconfig: Enable silergy,sy7636a
ARM: dts: imx7d: remarkable2: Enable silergy,sy7636a
ARM: dts: imx7d: remarkable2: Enable lcdif
.../bindings/mfd/silergy,sy7636a.yaml | 79 ++++++++++
Documentation/hwmon/sy7636a-hwmon.rst | 24 ++++
arch/arm/boot/dts/imx7d-remarkable2.dts | 136 ++++++++++++++++++
arch/arm/configs/imx_v6_v7_defconfig | 4 +
drivers/hwmon/Kconfig | 9 ++
drivers/hwmon/Makefile | 1 +
drivers/hwmon/sy7636a-hwmon.c | 75 ++++++++++
drivers/mfd/Kconfig | 2 +-
drivers/mfd/simple-mfd-i2c.c | 12 ++
drivers/regulator/Kconfig | 1 -
drivers/regulator/sy7636a-regulator.c | 2 +-
drivers/thermal/Kconfig | 6 +
drivers/thermal/Makefile | 1 +
drivers/thermal/sy7636a_thermal.c | 94 ++++++++++++
include/linux/mfd/sy7636a.h | 41 ++++++
15 files changed, 484 insertions(+), 3 deletions(-)
create mode 100644 Documentation/devicetree/bindings/mfd/silergy,sy7636a.yaml
create mode 100644 Documentation/hwmon/sy7636a-hwmon.rst
create mode 100644 drivers/hwmon/sy7636a-hwmon.c
create mode 100644 drivers/thermal/sy7636a_thermal.c
create mode 100644 include/linux/mfd/sy7636a.h
--
2.31.1
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Add basic support for UniPhier NX1 SoC. This includes a compatible string
and the same SoC-dependent data as PXs2 SoC.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/1634520605-16583-3-git-send-email-hayashi.kunihiko@socionext.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add the configuration for pm6350 regulators. The supplies are not known
so leave them out for now.
Additionally leave out configuration of smps3 - smps5 and ldo17 as these
are not configured in the downstream kernel and the type of them is not
known.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Link: https://lore.kernel.org/r/20211007212444.328034-4-luca@z3ntu.xyz
Signed-off-by: Mark Brown <broonie@kernel.org>
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Signed-off-by: Alistair Francis <alistair@alistair23.me>
Link: https://lore.kernel.org/r/20211015122551.38951-5-alistair@alistair23.me
Signed-off-by: Mark Brown <broonie@kernel.org>
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Removing all linux/gpio.h and linux/of_gpio.h dependencies and replacing
them with the gpiod interface.
Signed-off-by: Maíra Canal <maira.canal@usp.br>
Link: https://lore.kernel.org/r/YWxmL2baF5AdzyHv@fedora
Signed-off-by: Mark Brown <broonie@kernel.org>
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After this driver was converted to gpiod, clang started warning:
vers/regulator/lp872x.c:689:57: error: implicit conversion from
enumeration type 'enum lp872x_dvs_state' to different enumeration type
'enum gpiod_flags' [-Werror,-Wenum-conversion]
dvs->gpio = devm_gpiod_get_optional(lp->dev, "ti,dvs", pinstate);
~~~~~~~~~~~~~~~~~~~~~~~ ^~~~~~~~
1 error generated.
lp872x_dvs_state was updated to have values from gpiod_flags but this is
not enough to avoid an implicit conversion warning from either GCC or
clang (although GCC enables this warning under -Wextra instead of -Wall
like clang so it is not seen under normal builds).
Eliminate lp872x_dvs_state in favor of using gpiod_flags everywhere so
that there is no more warning about an implicit conversion.
Fixes: 72bf80cf09c4 ("regulator: lp872x: replacing legacy gpio interface for gpiod")
Link: https://github.com/ClangBuiltLinux/linux/issues/1481
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20211019004335.193492-1-nathan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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regulator/clock: Convert the s2m and s5m DT bindings to schema
Tagged to allow further bindings to rely on these.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Linux 5.15-rc6
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Removing all linux/gpio.h and linux/of_gpio.h dependencies and replacing
them with the gpiod interface
Signed-off-by: Maíra Canal <maira.canal@usp.br>
Message-Id: <YWma2yTyuwS5XwhY@fedora>
Signed-off-by: Mark Brown <broonie@kernel.org>
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dtschema" from Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>:
Hi All,
Changes since v2
================
1. Add Stephen's and Rob's tags.
2. Correct inb-supply description in patch 10/10.
Changes since v2
================
1. Add Rob's tags.
2. Remove "regulator-name" from properties (all regulator dtschema).
3. Move "unevaluatedProperties" higher to make code easier to read (all regulator dtschema).
4. Add ref-type to op-mode property (patch 6: s5m8767 regulators).
Changes since v1
================
1. Drop DTS patches - applied.
2. Fully remove bindings/regulator/samsung,s5m8767.txt .
3. Minor subject reformatting and few typos in text.
Intro
=====
This patchset converts all devicetree bindings of Samsung S2M and S5M
PMIC devices from txt to dtschema.
It includes also two fixes because later conversion depends on it
(contextually).
Merging/dependencies
====================
1. Regulator related binding changes depend on first two commits (the
fixes), because of context.
2. The mfd bindings depend on clock and regulator bindings.
The fixes and bindings changes (patches 1-10) should go via the same
tree. For example regulator or mfd tree.
Another alternative is that regulator patches (1-2, 4-6) go via Mark who
later gives MFD a stable branch/tag to pull. Then the clock and MFD
bindings would go on top via MFD tree. Or any other setup you would like
to have.
Overview of devices
===================
Essentially all Samsung S2M and S5M PMICs are very similar devices. They
provide the same functionality: regulators, RTC, 2 or 3 clocks and main
power management (e.g. power cut to SoC).
The differences are mostly in registers layout and number of regulators.
The drivers are built around one common part, mfd/sec-core.c, and share
some drivers between devices:
1. MFD sec-core for all devices,
1. one clock driver for most of devices,
2. one RTC driver for all devices,
3. three regulator drivers.
The regulator drivers were implementing slightly different features,
therefore one regulator binding for all devices does not make much
sense. However the clock device binding can be shared.
The final dtschema bindings try to implement this - share only the clock
bindings.
Best regards,
Krzysztof
Krzysztof Kozlowski (10):
regulator: s5m8767: do not use reset value as DVS voltage if GPIO DVS
is disabled
regulator: dt-bindings: samsung,s5m8767: correct
s5m8767,pmic-buck-default-dvs-idx property
dt-bindings: clock: samsung,s2mps11: convert to dtschema
regulator: dt-bindings: samsung,s2m: convert to dtschema
regulator: dt-bindings: samsung,s2mpa01: convert to dtschema
regulator: dt-bindings: samsung,s5m8767: convert to dtschema
dt-bindings: mfd: samsung,s2mps11: convert to dtschema
dt-bindings: mfd: samsung,s2mpa01: convert to dtschema
dt-bindings: mfd: samsung,s5m8767: convert to dtschema
dt-bindings: mfd: samsung,s5m8767: document buck and LDO supplies
.../bindings/clock/samsung,s2mps11.txt | 49 ---
.../bindings/clock/samsung,s2mps11.yaml | 45 +++
.../bindings/mfd/samsung,s2mpa01.yaml | 91 ++++++
.../bindings/mfd/samsung,s2mps11.yaml | 267 +++++++++++++++
.../bindings/mfd/samsung,s5m8767.yaml | 307 ++++++++++++++++++
.../bindings/mfd/samsung,sec-core.txt | 86 -----
.../bindings/regulator/samsung,s2mpa01.txt | 79 -----
.../bindings/regulator/samsung,s2mpa01.yaml | 62 ++++
.../bindings/regulator/samsung,s2mps11.txt | 102 ------
.../bindings/regulator/samsung,s2mps11.yaml | 44 +++
.../bindings/regulator/samsung,s2mps13.yaml | 44 +++
.../bindings/regulator/samsung,s2mps14.yaml | 44 +++
.../bindings/regulator/samsung,s2mps15.yaml | 44 +++
.../bindings/regulator/samsung,s2mpu02.yaml | 44 +++
.../bindings/regulator/samsung,s5m8767.txt | 145 ---------
.../bindings/regulator/samsung,s5m8767.yaml | 74 +++++
MAINTAINERS | 9 +-
drivers/regulator/s5m8767.c | 21 +-
18 files changed, 1080 insertions(+), 477 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/clock/samsung,s2mps11.txt
create mode 100644 Documentation/devicetree/bindings/clock/samsung,s2mps11.yaml
create mode 100644 Documentation/devicetree/bindings/mfd/samsung,s2mpa01.yaml
create mode 100644 Documentation/devicetree/bindings/mfd/samsung,s2mps11.yaml
create mode 100644 Documentation/devicetree/bindings/mfd/samsung,s5m8767.yaml
delete mode 100644 Documentation/devicetree/bindings/mfd/samsung,sec-core.txt
delete mode 100644 Documentation/devicetree/bindings/regulator/samsung,s2mpa01.txt
create mode 100644 Documentation/devicetree/bindings/regulator/samsung,s2mpa01.yaml
delete mode 100644 Documentation/devicetree/bindings/regulator/samsung,s2mps11.txt
create mode 100644 Documentation/devicetree/bindings/regulator/samsung,s2mps11.yaml
create mode 100644 Documentation/devicetree/bindings/regulator/samsung,s2mps13.yaml
create mode 100644 Documentation/devicetree/bindings/regulator/samsung,s2mps14.yaml
create mode 100644 Documentation/devicetree/bindings/regulator/samsung,s2mps15.yaml
create mode 100644 Documentation/devicetree/bindings/regulator/samsung,s2mpu02.yaml
delete mode 100644 Documentation/devicetree/bindings/regulator/samsung,s5m8767.txt
create mode 100644 Documentation/devicetree/bindings/regulator/samsung,s5m8767.yaml
--
2.30.2
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disabled
The driver and its bindings, before commit 04f9f068a619 ("regulator:
s5m8767: Modify parsing method of the voltage table of buck2/3/4") were
requiring to provide at least one safe/default voltage for DVS registers
if DVS GPIO is not being enabled.
IOW, if s5m8767,pmic-buck2-uses-gpio-dvs is missing, the
s5m8767,pmic-buck2-dvs-voltage should still be present and contain one
voltage.
This requirement was coming from driver behavior matching this condition
(none of DVS GPIO is enabled): it was always initializing the DVS
selector pins to 0 and keeping the DVS enable setting at reset value
(enabled). Therefore if none of DVS GPIO is enabled in devicetree,
driver was configuring the first DVS voltage for buck[234].
Mentioned commit 04f9f068a619 ("regulator: s5m8767: Modify parsing
method of the voltage table of buck2/3/4") broke it because DVS voltage
won't be parsed from devicetree if DVS GPIO is not enabled. After the
change, driver will configure bucks to use the register reset value as
voltage which might have unpleasant effects.
Fix this by relaxing the bindings constrain: if DVS GPIO is not enabled
in devicetree (therefore DVS voltage is also not parsed), explicitly
disable it.
Cc: <stable@vger.kernel.org>
Fixes: 04f9f068a619 ("regulator: s5m8767: Modify parsing method of the voltage table of buck2/3/4")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Rob Herring <robh@kernel.org>
Message-Id: <20211008113723.134648-2-krzysztof.kozlowski@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
There are lots of fields in struct hi6421_spmi_pmic that aren't
used. As a matter of fact, only regmap is needed.
So, drop the struct as a whole, and set regmap as the drvdata.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/1828cb783b1ebca0b98bf0b3077d8701adb228f7.1630586862.git.mchehab+huawei@kernel.org
|
|
Consistently use the defines for buck control mask values.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Link: https://lore.kernel.org/r/YVqpujZLZmaiqwe8@fedora
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
PM2250 is commonly used with QCM2290/QCS2290 SoCs, and provides 4 SMPS
and 22 LDO regulators. The LDO regulators are the same types found on
PM660.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210926084549.29880-3-shawn.guo@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
We lowered all the other constraint related log messages to debug level so
lower the logging of what supplies we're configuring to debug level too.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210929140717.3769-1-broonie@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
debugfs code complained at boot time that
debugfs: Directory 'reg-dummy-regulator-dummy' with parent 'regulator'
already present!
if we compile kernel with DEBUG_TEST_DRIVER_REMOVE. The problem is that we
don't provide .remove() method for dummy_regulator_driver, which should
invoke regulator_unregister() on device teardown to properly free things.
Though it's harmless as dummy_pdev never gets unbound in practice, let's
use devm_regulator_register() to get rid of the inconsistency.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20210925035507.1904-1-yuzenghui@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
devm_pwm_get() can return -EPROBE_DEFER if the pwm regulator is not
ready yet. Use dev_err_probe() for pwm regulator resources
to indicate the deferral reason when waiting for the
resource to come up.
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Link: https://lore.kernel.org/r/20210925173413.1019-1-linux.amoon@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
MAX8973 is supposed to be MAX8973A. Kconfig and the
initial comment of max8973-regulator.c were modified
accordingly.
Signed-off-by: Ramona Alexandra Nechita <ramona.nechita@analog.com>
Link: https://lore.kernel.org/r/20210920061137.10884-1-ramona.nechita@analog.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
i915 will soon gain an eviction path that trylock a whole lot of locks
for eviction, getting dmesg failures like below:
BUG: MAX_LOCK_DEPTH too low!
turning off the locking correctness validator.
depth: 48 max: 48!
48 locks held by i915_selftest/5776:
#0: ffff888101a79240 (&dev->mutex){....}-{3:3}, at: __driver_attach+0x88/0x160
#1: ffffc900009778c0 (reservation_ww_class_acquire){+.+.}-{0:0}, at: i915_vma_pin.constprop.63+0x39/0x1b0 [i915]
#2: ffff88800cf74de8 (reservation_ww_class_mutex){+.+.}-{3:3}, at: i915_vma_pin.constprop.63+0x5f/0x1b0 [i915]
#3: ffff88810c7f9e38 (&vm->mutex/1){+.+.}-{3:3}, at: i915_vma_pin_ww+0x1c4/0x9d0 [i915]
#4: ffff88810bad5768 (reservation_ww_class_mutex){+.+.}-{3:3}, at: i915_gem_evict_something+0x110/0x860 [i915]
#5: ffff88810bad60e8 (reservation_ww_class_mutex){+.+.}-{3:3}, at: i915_gem_evict_something+0x110/0x860 [i915]
...
#46: ffff88811964d768 (reservation_ww_class_mutex){+.+.}-{3:3}, at: i915_gem_evict_something+0x110/0x860 [i915]
#47: ffff88811964e0e8 (reservation_ww_class_mutex){+.+.}-{3:3}, at: i915_gem_evict_something+0x110/0x860 [i915]
INFO: lockdep is turned off.
Fixing eviction to nest into ww_class_acquire is a high priority, but
it requires a rework of the entire driver, which can only be done one
step at a time.
As an intermediate solution, add an acquire context to
ww_mutex_trylock, which allows us to do proper nesting annotations on
the trylocks, making the above lockdep splat disappear.
This is also useful in regulator_lock_nested, which may avoid dropping
regulator_nesting_mutex in the uncontended path, so use it there.
TTM may be another user for this, where we could lock a buffer in a
fastpath with list locks held, without dropping all locks we hold.
[peterz: rework actual ww_mutex_trylock() implementations]
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/YUBGPdDDjKlxAuXJ@hirez.programming.kicks-ass.net
|
|
strings"
This reverts commit 0da6736ecd10b45e535b100acd58df2db4c099d8.
The MODULE_DEVICE_TABLE already creates proper alias. Having another
MODULE_ALIAS causes the alias to be duplicated:
$ modinfo max14577-regulator.ko
alias: platform:max77836-regulator
alias: platform:max14577-regulator
description: Maxim 14577/77836 regulator driver
alias: platform:max77836-regulator
alias: platform:max14577-regulator
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Fixes: 0da6736ecd10 ("regulator: max14577: Add proper module aliases strings")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20210916144102.120980-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Fix 'enable' gpio control logic from the below cases if it's specified.
1. All off and both are sequentially controlled to be on.
The 'enable' gpio control block to be called twice including the delay time.
2. Both are on and one is preparing to be off.
The 'enable' gpio control low before register cache is configured to be true.
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Link: https://lore.kernel.org/r/1631629249-9998-1-git-send-email-u0084500@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Voltage-controlled regulators depend on their supply regulator for
retrieving their voltage, and so they might return -EPROBE_DEFER at this
stage. Our caller already attempts to resolve supplies and retry, so we
shouldn't be printing this error to logs.
Quiets log messages like this, on Rockchip RK3399 Gru/Kevin boards:
[ 1.033057] ppvar_bigcpu: failed to get the current voltage: -EPROBE_DEFER
...
[ 1.036735] ppvar_litcpu: failed to get the current voltage: -EPROBE_DEFER
...
[ 1.040366] ppvar_gpu: failed to get the current voltage: -EPROBE_DEFER
...
[ 1.044086] ppvar_centerlogic: failed to get the current voltage: -EPROBE_DEFER
Cc: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Link: https://lore.kernel.org/r/20210826124015.1.Iab79c6dd374ec48beac44be2fcddd165dd26476b@changeid
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
devm_platform_ioremap_resource()
Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210908105752.2035-1-caihuoqing@baidu.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
COMPILE_TEST is helpful to find compilation errors in other platform(e.g.X86).
In this case, the support of COMPILE_TEST is added, so this module could
be compiled in other platform(e.g.X86), without ARCH_SYNQUACER configuration.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210908105738.1933-1-caihuoqing@baidu.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Use the devm_platform_ioremap_resource_byname() helper instead of
calling platform_get_resource_byname() and devm_ioremap/devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210908105745.1984-1-caihuoqing@baidu.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Fix a typo in the pm8009 LDO7 declaration, it uses resource name ldo%s6
instead of ldo%s7.
Fixes: 951384cabc5d ("regulator: qcom-rpmh-regulator: add pm8009-1 chip revision")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210901114350.1106073-1-dmitry.baryshkov@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
vctrl_enable() and vctrl_disable() call regulator_enable() and
regulator_disable(), respectively. However, vctrl_* are regulator ops
and should not be calling the locked regulator APIs. Doing so results in
a lockdep warning.
Instead of exporting more internal regulator ops, model the ctrl supply
as an actual supply to vctrl-regulator. At probe time this driver still
needs to use the consumer API to fetch its constraints, but otherwise
lets the regulator core handle the upstream supply for it.
The enable/disable/is_enabled ops are not removed, but now only track
state internally. This preserves the original behavior with the ops
being available, but one could argue that the original behavior was
already incorrect: the internal state would not match the upstream
supply if that supply had another consumer that enabled the supply,
while vctrl-regulator was not enabled.
The lockdep warning is as follows:
WARNING: possible circular locking dependency detected
5.14.0-rc6 #2 Not tainted
------------------------------------------------------
swapper/0/1 is trying to acquire lock:
ffffffc011306d00 (regulator_list_mutex){+.+.}-{3:3}, at:
regulator_lock_dependent (arch/arm64/include/asm/current.h:19
include/linux/ww_mutex.h:111
drivers/regulator/core.c:329)
but task is already holding lock:
ffffff8004a77160 (regulator_ww_class_mutex){+.+.}-{3:3}, at:
regulator_lock_recursive (drivers/regulator/core.c:156
drivers/regulator/core.c:263)
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (regulator_ww_class_mutex){+.+.}-{3:3}:
__mutex_lock_common (include/asm-generic/atomic-instrumented.h:606
include/asm-generic/atomic-long.h:29
kernel/locking/mutex.c:103
kernel/locking/mutex.c:144
kernel/locking/mutex.c:963)
ww_mutex_lock (kernel/locking/mutex.c:1199)
regulator_lock_recursive (drivers/regulator/core.c:156
drivers/regulator/core.c:263)
regulator_lock_dependent (drivers/regulator/core.c:343)
regulator_enable (drivers/regulator/core.c:2808)
set_machine_constraints (drivers/regulator/core.c:1536)
regulator_register (drivers/regulator/core.c:5486)
devm_regulator_register (drivers/regulator/devres.c:196)
reg_fixed_voltage_probe (drivers/regulator/fixed.c:289)
platform_probe (drivers/base/platform.c:1427)
[...]
-> #1 (regulator_ww_class_acquire){+.+.}-{0:0}:
regulator_lock_dependent (include/linux/ww_mutex.h:129
drivers/regulator/core.c:329)
regulator_enable (drivers/regulator/core.c:2808)
set_machine_constraints (drivers/regulator/core.c:1536)
regulator_register (drivers/regulator/core.c:5486)
devm_regulator_register (drivers/regulator/devres.c:196)
reg_fixed_voltage_probe (drivers/regulator/fixed.c:289)
[...]
-> #0 (regulator_list_mutex){+.+.}-{3:3}:
__lock_acquire (kernel/locking/lockdep.c:3052 (discriminator 4)
kernel/locking/lockdep.c:3174 (discriminator 4)
kernel/locking/lockdep.c:3789 (discriminator 4)
kernel/locking/lockdep.c:5015 (discriminator 4))
lock_acquire (arch/arm64/include/asm/percpu.h:39
kernel/locking/lockdep.c:438
kernel/locking/lockdep.c:5627)
__mutex_lock_common (include/asm-generic/atomic-instrumented.h:606
include/asm-generic/atomic-long.h:29
kernel/locking/mutex.c:103
kernel/locking/mutex.c:144
kernel/locking/mutex.c:963)
mutex_lock_nested (kernel/locking/mutex.c:1125)
regulator_lock_dependent (arch/arm64/include/asm/current.h:19
include/linux/ww_mutex.h:111
drivers/regulator/core.c:329)
regulator_enable (drivers/regulator/core.c:2808)
vctrl_enable (drivers/regulator/vctrl-regulator.c:400)
_regulator_do_enable (drivers/regulator/core.c:2617)
_regulator_enable (drivers/regulator/core.c:2764)
regulator_enable (drivers/regulator/core.c:308
drivers/regulator/core.c:2809)
_set_opp (drivers/opp/core.c:819 drivers/opp/core.c:1072)
dev_pm_opp_set_rate (drivers/opp/core.c:1164)
set_target (drivers/cpufreq/cpufreq-dt.c:62)
__cpufreq_driver_target (drivers/cpufreq/cpufreq.c:2216
drivers/cpufreq/cpufreq.c:2271)
cpufreq_online (drivers/cpufreq/cpufreq.c:1488 (discriminator 2))
cpufreq_add_dev (drivers/cpufreq/cpufreq.c:1563)
subsys_interface_register (drivers/base/bus.c:?)
cpufreq_register_driver (drivers/cpufreq/cpufreq.c:2819)
dt_cpufreq_probe (drivers/cpufreq/cpufreq-dt.c:344)
[...]
other info that might help us debug this:
Chain exists of:
regulator_list_mutex --> regulator_ww_class_acquire --> regulator_ww_class_mutex
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(regulator_ww_class_mutex);
lock(regulator_ww_class_acquire);
lock(regulator_ww_class_mutex);
lock(regulator_list_mutex);
*** DEADLOCK ***
6 locks held by swapper/0/1:
#0: ffffff8002d32188 (&dev->mutex){....}-{3:3}, at:
__device_driver_lock (drivers/base/dd.c:1030)
#1: ffffffc0111a0520 (cpu_hotplug_lock){++++}-{0:0}, at:
cpufreq_register_driver (drivers/cpufreq/cpufreq.c:2792 (discriminator 2))
#2: ffffff8002a8d918 (subsys mutex#9){+.+.}-{3:3}, at:
subsys_interface_register (drivers/base/bus.c:1033)
#3: ffffff800341bb90 (&policy->rwsem){+.+.}-{3:3}, at:
cpufreq_online (include/linux/bitmap.h:285
include/linux/cpumask.h:405
drivers/cpufreq/cpufreq.c:1399)
#4: ffffffc011f0b7b8 (regulator_ww_class_acquire){+.+.}-{0:0}, at:
regulator_enable (drivers/regulator/core.c:2808)
#5: ffffff8004a77160 (regulator_ww_class_mutex){+.+.}-{3:3}, at:
regulator_lock_recursive (drivers/regulator/core.c:156
drivers/regulator/core.c:263)
stack backtrace:
CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.14.0-rc6 #2 7c8f8996d021ed0f65271e6aeebf7999de74a9fa
Hardware name: Google Scarlet (DT)
Call trace:
dump_backtrace (arch/arm64/kernel/stacktrace.c:161)
show_stack (arch/arm64/kernel/stacktrace.c:218)
dump_stack_lvl (lib/dump_stack.c:106 (discriminator 2))
dump_stack (lib/dump_stack.c:113)
print_circular_bug (kernel/locking/lockdep.c:?)
check_noncircular (kernel/locking/lockdep.c:?)
__lock_acquire (kernel/locking/lockdep.c:3052 (discriminator 4)
kernel/locking/lockdep.c:3174 (discriminator 4)
kernel/locking/lockdep.c:3789 (discriminator 4)
kernel/locking/lockdep.c:5015 (discriminator 4))
lock_acquire (arch/arm64/include/asm/percpu.h:39
kernel/locking/lockdep.c:438
kernel/locking/lockdep.c:5627)
__mutex_lock_common (include/asm-generic/atomic-instrumented.h:606
include/asm-generic/atomic-long.h:29
kernel/locking/mutex.c:103
kernel/locking/mutex.c:144
kernel/locking/mutex.c:963)
mutex_lock_nested (kernel/locking/mutex.c:1125)
regulator_lock_dependent (arch/arm64/include/asm/current.h:19
include/linux/ww_mutex.h:111
drivers/regulator/core.c:329)
regulator_enable (drivers/regulator/core.c:2808)
vctrl_enable (drivers/regulator/vctrl-regulator.c:400)
_regulator_do_enable (drivers/regulator/core.c:2617)
_regulator_enable (drivers/regulator/core.c:2764)
regulator_enable (drivers/regulator/core.c:308
drivers/regulator/core.c:2809)
_set_opp (drivers/opp/core.c:819 drivers/opp/core.c:1072)
dev_pm_opp_set_rate (drivers/opp/core.c:1164)
set_target (drivers/cpufreq/cpufreq-dt.c:62)
__cpufreq_driver_target (drivers/cpufreq/cpufreq.c:2216
drivers/cpufreq/cpufreq.c:2271)
cpufreq_online (drivers/cpufreq/cpufreq.c:1488 (discriminator 2))
cpufreq_add_dev (drivers/cpufreq/cpufreq.c:1563)
subsys_interface_register (drivers/base/bus.c:?)
cpufreq_register_driver (drivers/cpufreq/cpufreq.c:2819)
dt_cpufreq_probe (drivers/cpufreq/cpufreq-dt.c:344)
[...]
Reported-by: Brian Norris <briannorris@chromium.org>
Fixes: f8702f9e4aa7 ("regulator: core: Use ww_mutex for regulators locking")
Fixes: e9153311491d ("regulator: vctrl-regulator: Avoid deadlock getting and setting the voltage")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20210825033704.3307263-3-wenst@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
In commit e9153311491d ("regulator: vctrl-regulator: Avoid deadlock getting
and setting the voltage"), all calls to get/set the voltage of the
control regulator were switched to unlocked versions to avoid deadlocks.
However, the call in the probe path is done without regulator locks
held. In this case the locked version should be used.
Switch back to the locked regulator_get_voltage() in the probe path to
avoid any mishaps.
Fixes: e9153311491d ("regulator: vctrl-regulator: Avoid deadlock getting and setting the voltage")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20210825033704.3307263-2-wenst@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
The helper to send IRQ notification for regulator errors had still
old description mentioning calling BUG() as a last resort when
error status reading has kept failing for more times than a given
threshold.
The impementation calling BUG() did never end-up in-tree but was
replaced by hopefully more sophisticated handler trying to power-off
the system.
Fix the documentation to reflect actual behaviour.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Link: https://lore.kernel.org/r/20210823075651.GA3717293@localhost.localdomain
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Link: https://lore.kernel.org/r/20210806091058.141-6-alistair@alistair23.me
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Instead of storing the GPIO state in the mfd (where it isn't used) store
it in the regulator.
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Link: https://lore.kernel.org/r/20210803084456.198-7-alistair@alistair23.me
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Use the parent's MFD data instead of our data.
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Link: https://lore.kernel.org/r/20210803084456.198-6-alistair@alistair23.me
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
From testing on hardware the poll_enable_time isn't required and
sometimes causes the driver probe to fail so let's remove it.
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Link: https://lore.kernel.org/r/20210803084456.198-5-alistair@alistair23.me
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Enable regmap cache to reduce i2c transactions and corresponding
interrupts if regulator is accessed frequently. Since the register map
is small, we use a FLAT regmap cache.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20210803165211.3b00db29@xhacker.debian
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Enable regmap cache to reduce i2c transactions and corresponding
interrupts if regulator is accessed frequently. Since the register map
is small -- there's only one register in sy8824c and sy8824e, there
are only two registers in sy20276 and sy20278, so we use a FLAT regmap
cache.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20210803165043.042ec24d@xhacker.debian
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Add empty space and put constant number to the right side for 'if' judgement.
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Link: https://lore.kernel.org/r/1627648326-5026-1-git-send-email-u0084500@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
The arrays containing the regulator's voltage ranges are
currently named after the first ldo which uses such range.
However, it sounds a lot clearer if those are named with
the voltage range instead.
No functional changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/1bdff1d1f23753b69c8044160decfad1e8553d08.1627121912.git.mchehab+huawei@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
|
|
As lowercase is generally preferred for node names, while it is
not too late, change the LDO DT properties to lower case.
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/395510cffeb39aebd1763cc5de1cb00a2c40e461.1627121912.git.mchehab+huawei@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Instead of returning error directly, use dev_err_probe. This avoids
messages in the dmesg log for devices which will be probed again later.
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Link: https://lore.kernel.org/r/20210721165716.19915-1-macroalpha82@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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