Commit graph

1088648 commits

Author SHA1 Message Date
Miaoqian Lin
afaa7b933e
regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt
of_node_get() returns a node with refcount incremented.
Calling of_node_put() to drop the reference when not needed anymore.

Fixes: 3784b6d64d ("regulator: pfuze100: add pfuze100 regulator driver")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220511113506.45185-1-linmq006@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-05-11 17:42:17 +01:00
Mark Brown
ac87e588b4
regulator: dt-bindings: qcom,rpmh: minor cleanups and extend supplies
Merge series from Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>:

Extend the RPMH regulator bindings with minor fixes and adding narrow supply
matching.
2022-05-04 21:59:20 +01:00
Zev Weiss
0f2d636e7d
regulator: core: Add error flags to sysfs attributes
If a regulator provides a get_error_flags() operation, its sysfs
attributes will now include an entry for each defined
REGULATOR_ERROR_* flag.

Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Link: https://lore.kernel.org/r/20220504065252.6955-3-zev@bewilderbeest.net
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-05-04 15:31:26 +01:00
Krzysztof Kozlowski
e84f3c41a5
regulator: dt-bindings: qcom,rpmh: document vdd-l7-bob-supply on PMR735A
The PMR735A comes with vdd-l7-bob-supply supply which was previously not
documented.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220426105501.73200-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-05-04 15:31:25 +01:00
Krzysztof Kozlowski
ba5d99609a
regulator: dt-bindings: qcom,rpmh: document supplies per variant
The RPMH regulator binding covers several devices with different
regulator supplies, so it uses patterns matching broad range of these
supplies.  This works fine but is not specific and might miss actual
mistakes when a wrong supply property is used for given variant.

Describe the supplies depending on the compatible, using a defs-allOf
method.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220426105501.73200-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-05-04 15:31:24 +01:00
Krzysztof Kozlowski
a6d889a8fd
regulator: dt-bindings: qcom,rpmh: update maintainers
David Collins' email bounces ("Recipient address rejected: undeliverable
address: No such user here").

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220426105501.73200-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-05-04 15:31:22 +01:00
Rickard x Andersson
20078e3bbe
regulator: pca9450: Enable DVS control via PMIC_STBY_REQ
When DVS is enabled via the devicetree properties
"nxp,dvs-run-voltage" and "nxp,dvs-standby-voltage" then
also the bit that enables DVS control via PMIC_STBY_REQ pin
should be set.

Signed-off-by: Rickard x Andersson <rickaran@axis.com>
Link: https://lore.kernel.org/r/20220429072211.24957-5-rickaran@axis.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-05-03 13:47:44 +01:00
Rickard x Andersson
2364a64d06
regulator: pca9450: Make warm reset on WDOG_B assertion
The default configuration of the PMIC behavior makes the PMIC
power cycle most regulators on WDOG_B assertion. This power
cycling causes the memory contents of OCRAM to be lost.
Some systems neeeds some memory that survives reset and
reboot, therefore this patch is created.

Signed-off-by: Rickard x Andersson <rickaran@axis.com>
Link: https://lore.kernel.org/r/20220429072211.24957-4-rickaran@axis.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-05-03 13:47:43 +01:00
Rickard x Andersson
bd2f5e7145
regulator: Add property for WDOG_B warm reset
Make it possible to do warm reset on WDOG_B assertion.

Signed-off-by: Rickard x Andersson <rickaran@axis.com>
Link: https://lore.kernel.org/r/20220429072211.24957-3-rickaran@axis.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-05-03 13:47:37 +01:00
Per-Daniel Olsson
62139f52b7
regulator: pca9450: Make I2C Level Translator configurable
Make the I2C Level Translator included in PCA9450 configurable from
devicetree. The reset state is off. By setting nxp,i2c-lt-enable, the
I2C Level Translator will be enabled while in STANDBY or RUN state.

Signed-off-by: Per-Daniel Olsson <perdo@axis.com>
Signed-off-by: Rickard x Andersson <rickaran@axis.com>
Link: https://lore.kernel.org/r/20220429072211.24957-2-rickaran@axis.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-05-03 13:47:36 +01:00
Per-Daniel Olsson
e721b16139
regulator: Add property for I2C level shifter
By setting nxp,i2c-lt-enable the I2C level translator is
enabled.

Signed-off-by: Per-Daniel Olsson <perdo@axis.com>
Signed-off-by: Rickard x Andersson <rickaran@axis.com>
Link: https://lore.kernel.org/r/20220429072211.24957-1-rickaran@axis.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-05-03 13:47:32 +01:00
Markuss Broks
dc6d04619e
regulator: sm5703: Correct reference to the common regulator schema
The correct file name is regulator.yaml, not regulators.yaml.

Signed-off-by: Markuss Broks <markuss.broks@gmail.com>
Link: https://lore.kernel.org/r/20220429120914.9928-1-markuss.broks@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-29 13:28:06 +01:00
Markuss Broks
e8858ba89c
regulator: sm5703-regulator: Add regulators support for SM5703 MFD
Regulators block of SM5703 controls several voltage regulators which
are used to power various components. There are 3 LDO outputs ranging
from 1.5 to 3.3V, a buck regulator ranging from 1V to 3V, two fixed
voltage LDO regulators for powering the USB devices and one high-power
fixed voltage LDO line (actually two lines) meant to power high-power
USB devices.

Signed-off-by: Markuss Broks <markuss.broks@gmail.com>
Link: https://lore.kernel.org/r/20220423085319.483524-6-markuss.broks@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-26 15:13:48 +01:00
Markuss Broks
d496d68d6b
dt-bindings: regulator: Add bindings for Silicon Mitus SM5703 regulators
This patch adds device-tree bindings for regulators on Silicon Mitus
SM5703 MFD.

Signed-off-by: Markuss Broks <markuss.broks@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220423085319.483524-3-markuss.broks@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-26 15:13:47 +01:00
Krzysztof Kozlowski
6963569103
regulator: richtek,rt4801: parse GPIOs per regulator
Having one enable-gpios property for all regulators is discouraged and
instead, similarly to regulator core ena_gpiod feature, each GPIO should
be present in each regulator node.  Add support for parsing such GPIOs,
keeping backwards compatibility.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: ChiYuan Huang <cy_huang@richtek.com>
Link: https://lore.kernel.org/r/20220425072455.27356-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-25 14:00:47 +01:00
Krzysztof Kozlowski
a498db69dc
regulator: dt-bindings: richtek,rt4801: use existing ena_gpiod feature
The binding and driver duplicated regulator core feature of controlling
regulators with GPIOs (of_parse_cb + ena_gpiod) and created its own
enable-gpios property with multiple GPIOs.

This is a less preferred way, because enable-gpios should enable only one
element, not multiple. It also duplicates existing solution.

Deprecate the original 'enable-gpios' and add per-regulator property.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220425072455.27356-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-25 14:00:46 +01:00
Brian Norris
062920d246
regulator: core: Sleep (not delay) in set_voltage()
These delays can be relatively large (e.g., hundreds of microseconds to
several milliseconds on RK3399 Gru systems). Per
Documentation/timers/timers-howto.rst, that should usually use a
sleeping delay. Let's use the existing regulator delay helper to handle
both large and small delays appropriately. This avoids burning a bunch
of CPU time and hurting scheduling latencies when hitting regulators a
lot (e.g., during cpufreq).

The sleep vs. delay issue choice has been made differently over time --
early versions of RK3399 Gru PWM-regulator support used usleep_range()
in pwm-regulator.c. More of this got moved into the regulator core,
in commits like:

73e705bf81 regulator: core: Add set_voltage_time op

At the same time, the sleep turned into a delay.

It's OK to sleep in _regulator_do_set_voltage(), as we aren't in an
atomic context. (All our callers grab various mutexes already.)

I avoid using fsleep() because it uses a usleep_range() of [N to N*2],
and usleep_range() very commonly biases to the high end of the range. We
don't want to double the expected delay, especially for long delays.

Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20220420141511.v2.2.If0fc61a894f537b052ca41572aff098cf8e7e673@changeid
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-21 14:18:06 +01:00
Brian Norris
a38dce4cb1
regulator: core: Rename _regulator_enable_delay()
I want to use it in other contexts besides _regulator_do_enable().

Signed-off-by: Brian Norris <briannorris@chromium.org>
Link: https://lore.kernel.org/r/20220420141511.v2.1.I31ef0014c9597d53722ab513890f839f357fdfb3@changeid
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-21 14:18:05 +01:00
Wei Yongjun
bab76514ac
regulator: da9121: Fix uninit-value in da9121_assign_chip_model()
KASAN report slab-out-of-bounds in __regmap_init as follows:

BUG: KASAN: slab-out-of-bounds in __regmap_init drivers/base/regmap/regmap.c:841
Read of size 1 at addr ffff88803678cdf1 by task xrun/9137

CPU: 0 PID: 9137 Comm: xrun Tainted: G        W         5.18.0-rc2
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x15a lib/dump_stack.c:88
 print_report.cold+0xcd/0x69b mm/kasan/report.c:313
 kasan_report+0x8e/0xc0 mm/kasan/report.c:491
 __regmap_init+0x4540/0x4ba0 drivers/base/regmap/regmap.c:841
 __devm_regmap_init+0x7a/0x100 drivers/base/regmap/regmap.c:1266
 __devm_regmap_init_i2c+0x65/0x80 drivers/base/regmap/regmap-i2c.c:394
 da9121_i2c_probe+0x386/0x6d1 drivers/regulator/da9121-regulator.c:1039
 i2c_device_probe+0x959/0xac0 drivers/i2c/i2c-core-base.c:563

This happend when da9121 device is probe by da9121_i2c_id, but with
invalid dts. Thus, chip->subvariant_id is set to -EINVAL, and later
da9121_assign_chip_model() will access 'regmap' without init it.

Fix it by return -EINVAL from da9121_assign_chip_model() if
'chip->subvariant_id' is invalid.

Fixes: f3fbd5566f ("regulator: da9121: Add device variants")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Adam Ward <Adam.Ward.Opensource@diasemi.com>
Link: https://lore.kernel.org/r/20220421090335.1876149-1-weiyongjun1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-21 14:18:04 +01:00
Minghao Chi
bfb5711e24
regulator: stm32-vrefbuf: using pm_runtime_resume_and_get instead of pm_runtime_get_sync
Using pm_runtime_resume_and_get is more appropriate
for simplifing code

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Link: https://lore.kernel.org/r/20220412071030.2532230-1-chi.minghao@zte.com.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-19 12:04:10 +01:00
Krzysztof Kozlowski
619fdc47f8
regulator: dt-bindings: qcom,rpmh: document h and k ID
Document used PMIC IDs: 'h' (sm8450-hdk, sm8450-qrd) and 'k'
(sc7280-crd).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220411105903.230733-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-13 13:50:21 +01:00
Kunihiko Hayashi
65adf7234a
regulator: uniphier: Use unevaluatedProperties
This refers common bindings, so this is preferred for
unevaluatedProperties instead of additionalProperties.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1649145303-30221-3-git-send-email-hayashi.kunihiko@socionext.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-07 18:29:56 +01:00
Kunihiko Hayashi
2eacc8479c
regulator: uniphier: Clean up clocks, resets, and their names using compatible string
Instead of "oneOf:" choices, use "allOf:" and "if:" to define clocks,
resets, and their names that can be taken by the compatible string.

The order of clock-names and reset-names doesn't change here.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1649145303-30221-2-git-send-email-hayashi.kunihiko@socionext.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-07 18:29:55 +01:00
Mark Brown
266d57dd43
regulator Add Richtek RT5759 buck converter support
Merge series from cy_huang <u0084500@gmail.com>:

This patch series add Richtek RT5759 buck converter support.
2022-04-07 13:52:16 +01:00
Andy Shevchenko
4917e54997
regulator: rpi-panel-attiny: Get rid of duplicate of_node assignment
GPIO library does copy the of_node from the parent device of
the GPIO chip, there is no need to repeat this in the individual
drivers. Remove these assignment all at once.

For the details one may look into the of_gpio_dev_init() implementation.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220325184508.45670-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-06 15:50:28 +01:00
Mark Brown
310584018e
Add support for MediaTek PMIC MT6366
Merge series from Johnson Wang <johnson.wang@mediatek.com>:

This patchset adds support for MediaTek PMIC MT6366.
MT6366 is the primary PMIC for MT8186 and probably other SOCs.
2022-04-05 10:25:07 +01:00
Mark Brown
610d8188ea
regulator: Add support for MediaTek PMIC MT6366
Merge series from Johnson Wang <johnson.wang@mediatek.com>:

This patchset adds support for MediaTek PMIC MT6366.
MT6366 is the primary PMIC for MT8186 and probably other SOCs.
2022-04-05 10:25:06 +01:00
Johnson Wang
f0e3c6261a
regulator: mt6366: Add support for MT6366 regulator
The MT6366 is a regulator found on boards based on MediaTek MT8186 and
probably other SoCs. It is a so called pmic and connects as a slave to
SoC using SPI, wrapped inside the pmic-wrapper.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Johnson Wang <johnson.wang@mediatek.com>
Link: https://lore.kernel.org/r/20220401080212.27383-2-johnson.wang@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-04 15:16:10 +01:00
Johnson Wang
f704882033
regulator: Add BUCK and LDO document for MT6358 and MT6366
Add buck_vcore_sshub and ldo_vsram_others_sshub
regulators to binding document for MT6358 and MT6366.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Johnson Wang <johnson.wang@mediatek.com>
Link: https://lore.kernel.org/r/20220401080212.27383-3-johnson.wang@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-04 15:16:09 +01:00
Mark Brown
261f06315c
regulator: Flag uncontrollable regulators as always_on
While we currently assume that regulators with no control available are
just uncontionally enabled this isn't always as clearly displayed to
users as is desirable, for example the code for disabling unused
regulators will log that it is about to disable them. Clean this up a
bit by setting always_on during constraint evaluation if we have no
available mechanism for controlling the regualtor so things that check
the constraint will do the right thing.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220325144637.1543496-1-broonie@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-04 08:51:07 +01:00
Mark Brown
6c315afe65
regulator: fixed: Remove print on allocation failure
OOMs are very verbose, we don't need to print an additional error message
when we fail to allocate.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220324201854.3107077-1-broonie@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-04 08:48:30 +01:00
Krzysztof Kozlowski
4181278305
regulator: dt-bindings: richtek,rt4801: minor comments adjustments
Correct grammar in 'enable-gpios' description and remove useless comment
about regulator nodes, because these are obvious from patternProperties.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220401153711.1057853-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-04 08:48:29 +01:00
ChiYuan Huang
2a826d9c42
regulator: Add binding for Richtek RT5759 DCDC converter
Add bindings for Richtek RT5759 high-performance DCDC converter.

Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/1648294788-11758-2-git-send-email-u0084500@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-04 08:48:14 +01:00
ChiYuan Huang
7b36ddb208
regulator: rt5759: Add support for Richtek RT5759 DCDC converter
Add support for Richtek RT5759 high-performance DCDC converter.

Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Link: https://lore.kernel.org/r/1648294788-11758-3-git-send-email-u0084500@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-04 08:48:13 +01:00
Johnson Wang
417dfad7e4
regulator: Add BUCK and LDO document for MT6358 and MT6366
Add buck_vcore_sshub and ldo_vsram_others_sshub
regulators to binding document for MT6358 and MT6366.

Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Johnson Wang <johnson.wang@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220317030402.24894-3-johnson.wang@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-04 08:41:53 +01:00
Johnson Wang
d077002c9d
regulator: mt6366: Add support for MT6366 regulator
The MT6366 is a regulator found on boards based on MediaTek MT8186 and
probably other SoCs. It is a so called pmic and connects as a slave to
SoC using SPI, wrapped inside the pmic-wrapper.

Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Johnson Wang <johnson.wang@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220317030402.24894-2-johnson.wang@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-04 08:41:51 +01:00
Linus Torvalds
3123109284 Linux 5.18-rc1 2022-04-03 14:08:21 -07:00
Linus Torvalds
09bb8856d4 Updates to Tracing:
- Rename the staging files to give them some meaning.
   Just stage1,stag2,etc, does not show what they are for
 
 - Check for NULL from allocation in bootconfig
 
 - Hold event mutex for dyn_event call in user events
 
 - Mark user events to broken (to work on the API)
 
 - Remove eBPF updates from user events
 
 - Remove user events from uapi header to keep it from being installed.
 
 - Move ftrace_graph_is_dead() into inline as it is called from hot paths
   and also convert it into a static branch.
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Merge tag 'trace-v5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull more tracing updates from Steven Rostedt:

 - Rename the staging files to give them some meaning. Just
   stage1,stag2,etc, does not show what they are for

 - Check for NULL from allocation in bootconfig

 - Hold event mutex for dyn_event call in user events

 - Mark user events to broken (to work on the API)

 - Remove eBPF updates from user events

 - Remove user events from uapi header to keep it from being installed.

 - Move ftrace_graph_is_dead() into inline as it is called from hot
   paths and also convert it into a static branch.

* tag 'trace-v5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Move user_events.h temporarily out of include/uapi
  ftrace: Make ftrace_graph_is_dead() a static branch
  tracing: Set user_events to BROKEN
  tracing/user_events: Remove eBPF interfaces
  tracing/user_events: Hold event_mutex during dyn_event_add
  proc: bootconfig: Add null pointer check
  tracing: Rename the staging files for trace_events
2022-04-03 12:26:01 -07:00
Linus Torvalds
34a53ff911 A single revert to fix a boot regression seen when clk_put() started
dropping rate range requests. It's best to keep various systems booting
 so we'll kick this out and try again next time.
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fix from Stephen Boyd:
 "A single revert to fix a boot regression seen when clk_put() started
  dropping rate range requests. It's best to keep various systems
  booting so we'll kick this out and try again next time"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  Revert "clk: Drop the rate range on clk_put()"
2022-04-03 12:21:14 -07:00
Linus Torvalds
8b5656bc4e A set of x86 fixes and updates:
- Make the prctl() for enabling dynamic XSTATE components correct so it
     adds the newly requested feature to the permission bitmap instead of
     overwriting it. Add a selftest which validates that.
 
   - Unroll string MMIO for encrypted SEV guests as the hypervisor cannot
     emulate it.
 
   - Handle supervisor states correctly in the FPU/XSTATE code so it takes
     the feature set of the fpstate buffer into account. The feature sets
     can differ between host and guest buffers. Guest buffers do not contain
     supervisor states. So far this was not an issue, but with enabling
     PASID it needs to be handled in the buffer offset calculation and in
     the permission bitmaps.
 
   - Avoid a gazillion of repeated CPUID invocations in by caching the values
     early in the FPU/XSTATE code.
 
   - Enable CONFIG_WERROR for X86.
 
   - Make the X86 defconfigs more useful by adapting them to Y2022 reality.
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Merge tag 'x86-urgent-2022-04-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Thomas Gleixner:
 "A set of x86 fixes and updates:

   - Make the prctl() for enabling dynamic XSTATE components correct so
     it adds the newly requested feature to the permission bitmap
     instead of overwriting it. Add a selftest which validates that.

   - Unroll string MMIO for encrypted SEV guests as the hypervisor
     cannot emulate it.

   - Handle supervisor states correctly in the FPU/XSTATE code so it
     takes the feature set of the fpstate buffer into account. The
     feature sets can differ between host and guest buffers. Guest
     buffers do not contain supervisor states. So far this was not an
     issue, but with enabling PASID it needs to be handled in the buffer
     offset calculation and in the permission bitmaps.

   - Avoid a gazillion of repeated CPUID invocations in by caching the
     values early in the FPU/XSTATE code.

   - Enable CONFIG_WERROR in x86 defconfig.

   - Make the X86 defconfigs more useful by adapting them to Y2022
     reality"

* tag 'x86-urgent-2022-04-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/fpu/xstate: Consolidate size calculations
  x86/fpu/xstate: Handle supervisor states in XSTATE permissions
  x86/fpu/xsave: Handle compacted offsets correctly with supervisor states
  x86/fpu: Cache xfeature flags from CPUID
  x86/fpu/xsave: Initialize offset/size cache early
  x86/fpu: Remove unused supervisor only offsets
  x86/fpu: Remove redundant XCOMP_BV initialization
  x86/sev: Unroll string mmio with CC_ATTR_GUEST_UNROLL_STRING_IO
  x86/config: Make the x86 defconfigs a bit more usable
  x86/defconfig: Enable WERROR
  selftests/x86/amx: Update the ARCH_REQ_XCOMP_PERM test
  x86/fpu/xstate: Fix the ARCH_REQ_XCOMP_PERM implementation
2022-04-03 12:15:47 -07:00
Linus Torvalds
e235f4192f Revert the RT related signal changes. They need to be reworked and
generalized.
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Merge tag 'core-urgent-2022-04-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull RT signal fix from Thomas Gleixner:
 "Revert the RT related signal changes. They need to be reworked and
  generalized"

* tag 'core-urgent-2022-04-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Revert "signal, x86: Delay calling signals in atomic on RT enabled kernels"
2022-04-03 12:08:26 -07:00
Linus Torvalds
63d12cc305 second round of dma-mapping updates for 5.18
- fix a regression in dma remap handling vs AMD memory encryption (me)
  - finally kill off the legacy PCI DMA API (Christophe JAILLET)
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Merge tag 'dma-mapping-5.18-1' of git://git.infradead.org/users/hch/dma-mapping

Pull more dma-mapping updates from Christoph Hellwig:

 - fix a regression in dma remap handling vs AMD memory encryption (me)

 - finally kill off the legacy PCI DMA API (Christophe JAILLET)

* tag 'dma-mapping-5.18-1' of git://git.infradead.org/users/hch/dma-mapping:
  dma-mapping: move pgprot_decrypted out of dma_pgprot
  PCI/doc: cleanup references to the legacy PCI DMA API
  PCI: Remove the deprecated "pci-dma-compat.h" API
2022-04-03 10:31:00 -07:00
Linus Torvalds
5dee87215b ARM fixes for 5.18-rc1:
- avoid unnecessary rebuilds for library objects
 - fix return value of __setup handlers
 - fix invalid input check for "crashkernel=" kernel option
 - silence KASAN warnings in unwind_frame
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM fixes from Russell King:

 - avoid unnecessary rebuilds for library objects

 - fix return value of __setup handlers

 - fix invalid input check for "crashkernel=" kernel option

 - silence KASAN warnings in unwind_frame

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9191/1: arm/stacktrace, kasan: Silence KASAN warnings in unwind_frame()
  ARM: 9190/1: kdump: add invalid input check for 'crashkernel=0'
  ARM: 9187/1: JIVE: fix return value of __setup handler
  ARM: 9189/1: decompressor: fix unneeded rebuilds of library objects
2022-04-03 10:17:48 -07:00
Stephen Boyd
859c2c7b1d Revert "clk: Drop the rate range on clk_put()"
This reverts commit 7dabfa2bc4. There are
multiple reports that this breaks boot on various systems. The common
theme is that orphan clks are having rates set on them when that isn't
expected. Let's revert it out for now so that -rc1 boots.

Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reported-by: Tony Lindgren <tony@atomide.com>
Reported-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Link: https://lore.kernel.org/r/366a0232-bb4a-c357-6aa8-636e398e05eb@samsung.com
Cc: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20220403022818.39572-1-sboyd@kernel.org
2022-04-02 19:28:53 -07:00
Linus Torvalds
be2d3ecedd perf tools changes for 5.18: 2nd batch
- Avoid SEGV if core.cpus isn't set in 'perf stat'.
 
 - Stop depending on .git files for building PERF-VERSION-FILE, used in
   'perf --version', fixing some perf tools build scenarios.
 
 - Convert tracepoint.py example to python3.
 
 - Update UAPI header copies from the kernel sources:
 
     socket, mman-common, msr-index, KVM, i915 and cpufeatures.
 
 - Update copy of libbpf's hashmap.c.
 
 - Directly return instead of using local ret variable in
   evlist__create_syswide_maps(), found by coccinelle.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v5.18-2022-04-02' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull more perf tools updates from Arnaldo Carvalho de Melo:

 - Avoid SEGV if core.cpus isn't set in 'perf stat'.

 - Stop depending on .git files for building PERF-VERSION-FILE, used in
   'perf --version', fixing some perf tools build scenarios.

 - Convert tracepoint.py example to python3.

 - Update UAPI header copies from the kernel sources: socket,
   mman-common, msr-index, KVM, i915 and cpufeatures.

 - Update copy of libbpf's hashmap.c.

 - Directly return instead of using local ret variable in
   evlist__create_syswide_maps(), found by coccinelle.

* tag 'perf-tools-for-v5.18-2022-04-02' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
  perf python: Convert tracepoint.py example to python3
  perf evlist: Directly return instead of using local ret variable
  perf cpumap: More cpu map reuse by merge.
  perf cpumap: Add is_subset function
  perf evlist: Rename cpus to user_requested_cpus
  perf tools: Stop depending on .git files for building PERF-VERSION-FILE
  tools headers cpufeatures: Sync with the kernel sources
  tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
  tools headers UAPI: Sync linux/kvm.h with the kernel sources
  tools kvm headers arm64: Update KVM headers from the kernel sources
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  tools headers UAPI: Sync asm-generic/mman-common.h with the kernel
  perf beauty: Update copy of linux/socket.h with the kernel sources
  perf tools: Update copy of libbpf's hashmap.c
  perf stat: Avoid SEGV if core.cpus isn't set
2022-04-02 12:57:17 -07:00
Linus Torvalds
d897b68041 Kbuild fixes for v5.18
- Fix empty $(PYTHON) expansion.
 
  - Fix UML, which got broken by the attempt to suppress Clang warnings.
 
  - Fix warning message in modpost.
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Merge tag 'kbuild-fixes-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Fix empty $(PYTHON) expansion.

 - Fix UML, which got broken by the attempt to suppress Clang warnings.

 - Fix warning message in modpost.

* tag 'kbuild-fixes-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  modpost: restore the warning message for missing symbol versions
  Revert "um: clang: Strip out -mno-global-merge from USER_CFLAGS"
  kbuild: Remove '-mno-global-merge'
  kbuild: fix empty ${PYTHON} in scripts/link-vmlinux.sh
  kconfig: remove stale comment about removed kconfig_print_symbol()
2022-04-02 12:33:31 -07:00
Linus Torvalds
0b0fa57a27 - build fix for gpio
- fix crc32 build problems
 - check for failed memory allocations
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Merge tag 'mips_5.18_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS fixes from Thomas Bogendoerfer:

 - build fix for gpio

 - fix crc32 build problems

 - check for failed memory allocations

* tag 'mips_5.18_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: crypto: Fix CRC32 code
  MIPS: rb532: move GPIOD definition into C-files
  MIPS: lantiq: check the return value of kzalloc()
  mips: sgi-ip22: add a check for the return of kzalloc()
2022-04-02 12:14:38 -07:00
Linus Torvalds
38904911e8 * Only do MSR filtering for MSRs accessed by rdmsr/wrmsr
* Documentation improvements
 
 * Prevent module exit until all VMs are freed
 
 * PMU Virtualization fixes
 
 * Fix for kvm_irq_delivery_to_apic_fast() NULL-pointer dereferences
 
 * Other miscellaneous bugfixes
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:

 - Only do MSR filtering for MSRs accessed by rdmsr/wrmsr

 - Documentation improvements

 - Prevent module exit until all VMs are freed

 - PMU Virtualization fixes

 - Fix for kvm_irq_delivery_to_apic_fast() NULL-pointer dereferences

 - Other miscellaneous bugfixes

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (42 commits)
  KVM: x86: fix sending PV IPI
  KVM: x86/mmu: do compare-and-exchange of gPTE via the user address
  KVM: x86: Remove redundant vm_entry_controls_clearbit() call
  KVM: x86: cleanup enter_rmode()
  KVM: x86: SVM: fix tsc scaling when the host doesn't support it
  kvm: x86: SVM: remove unused defines
  KVM: x86: SVM: move tsc ratio definitions to svm.h
  KVM: x86: SVM: fix avic spec based definitions again
  KVM: MIPS: remove reference to trap&emulate virtualization
  KVM: x86: document limitations of MSR filtering
  KVM: x86: Only do MSR filtering when access MSR by rdmsr/wrmsr
  KVM: x86/emulator: Emulate RDPID only if it is enabled in guest
  KVM: x86/pmu: Fix and isolate TSX-specific performance event logic
  KVM: x86: mmu: trace kvm_mmu_set_spte after the new SPTE was set
  KVM: x86/svm: Clear reserved bits written to PerfEvtSeln MSRs
  KVM: x86: Trace all APICv inhibit changes and capture overall status
  KVM: x86: Add wrappers for setting/clearing APICv inhibits
  KVM: x86: Make APICv inhibit reasons an enum and cleanup naming
  KVM: X86: Handle implicit supervisor access with SMAP
  KVM: X86: Rename variable smap to not_smap in permission_fault()
  ...
2022-04-02 12:09:02 -07:00
Masahiro Yamada
bf5c0c2231 modpost: restore the warning message for missing symbol versions
This log message was accidentally chopped off.

I was wondering why this happened, but checking the ML log, Mark
precisely followed my suggestion [1].

I just used "..." because I was too lazy to type the sentence fully.
Sorry for the confusion.

[1]: https://lore.kernel.org/all/CAK7LNAR6bXXk9-ZzZYpTqzFqdYbQsZHmiWspu27rtsFxvfRuVA@mail.gmail.com/

Fixes: 4a6795933a ("kbuild: modpost: Explicitly warn about unprototyped symbols")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
2022-04-03 03:11:51 +09:00
Linus Torvalds
6f34f8c3d6 for-5.18/drivers-2022-04-02
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Merge tag 'for-5.18/drivers-2022-04-02' of git://git.kernel.dk/linux-block

Pull block driver fix from Jens Axboe:
 "Got two reports on nbd spewing warnings on load now, which is a
  regression from a commit that went into your tree yesterday.

  Revert the problematic change for now"

* tag 'for-5.18/drivers-2022-04-02' of git://git.kernel.dk/linux-block:
  Revert "nbd: fix possible overflow on 'first_minor' in nbd_dev_add()"
2022-04-02 11:03:03 -07:00