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Update to commit b57e39a743e4 ("Docs/admin-guide
/damon/sysfs: document 'LRU_DEPRIO' scheme action")
0bcba960b1fa ("Docs/admin-guide/damon/sysfs: document 'LRU_PRIO' scheme action")
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/130795ae1a4097e25e8e354870e65c3018241a8e.1658983157.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Update to commit 12379401c000 ("Documentation: dev-tools:
Add a section for static analysis tools")
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/b9911916446f858fe95e4d4bfeaecdab14bc0b6a.1658983157.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Update to commit179fd6ba3bac ("Documentation/sparse:
add hints about __CHECKER__")
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/2ecdf7ddc8644e9031e4e2af947b97d63ab046f0.1658983157.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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update to commit 3ff16d30f593 ("kasan: test:
improve failure message in KUNIT_EXPECT_KASAN_FAIL()")
c9d1af2b780a ("mm/kasan: move kasan.fault to mm/kasan/report.c")
2d27e5851473 ("kasan: Extend KASAN mode kernel parameter")
8479d7b5be2f ("kasan: documentation updates")
c2ec0c8f6877 ("kasan: update documentation")
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/abbb6c5cc5a7daf0720a9cb0a8255472d4ac69b4.1658983157.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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update to commit dafcf4ed8392 ("iio: hrtimer: Allow
sub Hz granularity").
c1d82dbcb0a6 ("docs: iio: fix example formatting").
Remove some useless spaces.
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/1c0ae3e0932d813d41de666c1c65379786e79ba6.1658983157.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Translation for the following patches
commit df05c0e9496c ("Documentation: Raise the minimum supported version of LLVM to 11.0.0")
commit 333b11e541fe ("Documentation: Add minimum pahole version")
commit 6d6a8d6a4ed0 ("docs: Update Sphinx requirements")
commit 76ae847497bc ("Documentation: raise minimum supported version of GCC to 5.1")
commit 59c6a716b14b ("Documentation/process/maintainer-pgp-guide: Replace broken link to PGP path finder")
commit 85eafc63d032 ("docs: update file link location")
commit 869f496e1aa6 ("docs: process: submitting-patches: Clarify the Reported-by usage")
commit 6c5ccd24ff17 ("Remove mentions of the Trivial Patch Monkey")
commit aa9b5e0df226 ("Documentation/process: fix self reference")
commit b96ff02ab2be ("Documentation/process: fix a cross reference")
commit 1f57bd42b77c ("docs: submitting-patches: make section about the Link: tag more explicit")
commit a9d85efb25fb ("docs: use the lore redirector everywhere")
commit 31c9d7c82975 ("Documentation/process: Add tip tree handbook")
commit 604370e106cc ("Documentation/process: Add maintainer handbooks section")
commit bf33a9d42d0c ("docs: 5.Posting.rst: describe Fixes: and Link: tags")
commit c04639a7d2fb ("coding-style.rst: trivial: fix location of driver model macros")
commit d5b421fe0282 ("docs: Explain the desired position of function attributes")
commit 3577cdb23b8f ("docs: deprecated.rst: Clarify open-coded arithmetic with literals")
commit db67eb748e7a ("docs: discourage use of list tables")
commit 0e805b118662 ("docs: address some text issues with css/theme support")
commit 135707d3765e ("docs: allow to pass extra DOCS_CSS themes via make")
commit fe450eeb4e6f ("Documentation: in_irq() cleanup")
commit 10855b45a428 ("docs: fix typo in Documentation/kernel-hacking/locking.rst")
commit bc67f1c454fb ("docs: futex: Fix kernel-doc references")
commit abf36fe0be7d ("docs: kernel-hacking: Remove inappropriate text")
commit f35cf1a59e9a ("Documentation: kernel-hacking: minor edits for style")
commit f35cf1a59e9a ("Documentation: kernel-hacking: minor edits for style")
commit 980c3799c500 ("Documentation: kernel-doc: Promote two chapter headings to page title")
commit e1be43d9b5d0 ("overflow: Implement size_t saturating arithmetic helpers")
commit 615f3eea0d5f ("Documentation: add note block surrounding security patch note")
commit 587d39b260c4 ("Documentation: add link to stable release candidate tree")
commit 555d44932c67 ("Documentation: update stable tree link")
commit 88d99e870143 ("Documentation: update stable review cycle documentation")
commit 0c603a5c704f ("Documentation/process: mention patch changelog in review process")
commit 6d5aa418b3bd ("docs: submitting-patches: Fix crossref to 'The canonical patch format'")
commit f1a693994b1c ("Documentation/process: use scripts/get_maintainer.pl on patches")
commit 69ef0920bdd3 ("Docs: Add cpio requirement to changes.rst")
commit 5a5866c28b43 ("Docs: Replace version by 'current' in changes.rst")
commit 9b5a7f4a2a8d ("x86/configs: Add x86 debugging Kconfig fragment plus docs")
commit f1a693994b1c ("Documentation/process: use scripts/get_maintainer.pl on patches")
commit e8c07082a810 ("Kbuild: move to -std=gnu11")
Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it>
Link: https://lore.kernel.org/r/20220702210820.13118-1-federico.vaga@vaga.pv.it
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Self contain the trip initialization from the device tree in a single
function for the sake of making the code flow more clear.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220722200007.1839356-11-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Now that we have the thermal trip stored in the thermal zone in a
generic way, we can rely on them and remove one indirection we found
in the thermal_of code and do one more step forward the removal of the
duplicated structures.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220722200007.1839356-10-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The thermal trip points are properties of a thermal zone and the
different sub systems should be able to save them in the thermal zone
structure instead of having their own definition.
Give the opportunity to the drivers to create a thermal zone with
thermal trips which will be accessible directly from the thermal core
framework.
As we added the thermal trip points structure in the thermal zone,
let's extend the thermal zone register function to have the thermal
trip structures as a parameter and store it in the 'trips' field of
the thermal zone structure.
The thermal zone contains the trip point, we can store them directly
when registering the thermal zone. That will allow another step
forward to remove the duplicate thermal zone structure we find in the
thermal_of code.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220722200007.1839356-9-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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In order to use thermal trips defined in the thermal structure, rename
the 'trips' field to 'num_trips' to have the 'trips' field containing the
thermal trip points.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220722200007.1839356-8-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The function 'thermal_set_delay_jiffies' is only used in
thermal_core.c but it is defined and implemented in a separate
file. Move the function to thermal_core.c and make it static.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220722200007.1839356-7-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Different functions are exporting the symbols but are actually only
used by the thermal framework internals. Remove these EXPORT_SYMBOLS.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220722200007.1839356-6-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The structure thermal_trip is now generic and will be usable by the
different sensor drivers in place of their own structure.
Move its definition to thermal.h to make it accessible.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220722200007.1839356-5-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The device node pointer is no longer needed in the thermal trip
structure, remove it.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220722200007.1839356-4-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The thermal_of code builds a trip array associated with the node
pointer in order to compare the trip point phandle with the list.
The thermal trip is a thermal zone property and should be moved
there. If some sensors have hardcoded trip points, they should use the
exported structure instead of redefining again and again their own
structure and data to describe exactly the same things.
In order to move this to the thermal.h header and allow more cleanup,
we need to remove the node pointer from the structure.
Instead of building storing the device node, we search directly in the
device tree the corresponding node. That results in a simplification
of the code and allows to move the structure to thermal.h
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220722200007.1839356-3-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The pr_err already tells it is an error, it is pointless to add the
'Error:' string in the messages. Remove them.
Cc: Alexandre Bailon <abailon@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220722200007.1839356-2-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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As the trip temperature is already available when calling the function
handle_critical_trips(), pass it as a parameter instead of having this
function calling the ops again to retrieve the same data.
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20220718145038.1114379-2-daniel.lezcano@linaro.org
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Replace 'the the' with 'the' in the comment.
Signed-off-by: Slark Xiao <slark_xiao@163.com>
Link: https://lore.kernel.org/r/20220722104047.83312-1-slark_xiao@163.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Include sys/time.h and pthread.h in tmon.h, so that types
"pthread_mutex_t" and "struct timeval tv" are known when tmon.h
references them.
Without these headers, compiling tmon against musl-libc will fail with
these errors:
In file included from sysfs.c:31:0:
tmon.h:47:8: error: unknown type name 'pthread_mutex_t'
extern pthread_mutex_t input_lock;
^~~~~~~~~~~~~~~
make[3]: *** [<builtin>: sysfs.o] Error 1
make[3]: *** Waiting for unfinished jobs....
In file included from tui.c:31:0:
tmon.h:54:17: error: field 'tv' has incomplete type
struct timeval tv;
^~
make[3]: *** [<builtin>: tui.o] Error 1
make[2]: *** [Makefile:83: tmon] Error 2
Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Acked-by: Alejandro González <alejandro.gonzalez.correo@gmail.com>
Tested-by: Alejandro González <alejandro.gonzalez.correo@gmail.com>
Fixes: 94f69966faf8 ("tools/thermal: Introduce tmon, a tool for thermal subsystem")
Link: https://lore.kernel.org/r/20220718031040.44714-1-f.fainelli@gmail.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The double `and' is duplicated in line 229, remove one.
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Link: https://lore.kernel.org/r/20220715051829.30927-1-wangborong@cdjrlc.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Register thermal zones as hwmon sensors to let userspace read
temperatures using standard hwmon interface.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20220719054940.755907-2-dmitry.baryshkov@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Register thermal zones as hwmon sensors to let userspace read
temperatures using standard hwmon interface.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20220719054940.755907-1-dmitry.baryshkov@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The print function dev_err() is redundant because platform_get_irq()
already prints an error.
Eliminate the follow coccicheck warnings:
./drivers/thermal/db8500_thermal.c:162:2-9: line 162 is redundant because platform_get_irq() already prints an error
./drivers/thermal/db8500_thermal.c:176:2-9: line 176 is redundant because platform_get_irq() already prints an error
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220719003556.74460-1-yang.lee@linux.alibaba.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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This patch replaces 'Capture times'->'Total number of ADC data samples' as
the former does not really explain much.
It also fixes the typo
* caliberation->calibration
Lastly, as per the coding style /* should be on a separate line.
This patch fixes this issue.
Reported-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220718121440.556408-1-biju.das.jz@bp.renesas.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Acked-by: Vasily Khoruzhick <anarsoul@gmail.com>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220521111145.81697-36-Julia.Lawall@inria.fr
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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k3_j72xx_bandgap_j7200_data static
Fix sparse warnings:
drivers/thermal/k3_j72xx_bandgap.c:532:36: sparse: sparse: symbol 'k3_j72xx_bandgap_j721e_data' was not declared. Should it be static?
drivers/thermal/k3_j72xx_bandgap.c:536:36: sparse: sparse: symbol 'k3_j72xx_bandgap_j7200_data' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jin Xiaoyun <jinxiaoyun2@huawei.com>
Link: https://lore.kernel.org/r/20220613063111.654893-1-jinxiaoyun2@huawei.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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This while loop exits with "i" set to -1 and so then it sets:
derived_table[-1] = derived_table[0] - 300;
There is no need for this assignment at all. Just delete it.
Fixes: 72b3fc61c752 ("thermal: k3_j72xx_bandgap: Add the bandgap driver support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YoetjwcOEzYEFp9b@kili
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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If an error occurs in the k3_j72xx_bandgap_probe() function the memory
allocated to the 'ref_table' will not be released.
Add a err_free_ref_table step to the error path to free 'ref_table'
Fixes: 72b3fc61c752 ("thermal: k3_j72xx_bandgap: Add the bandgap driver support")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bryan Brattlof <bb@ti.com>
Reviewed-by: Keerthy <j-keerthy@ti.com>
Link: https://lore.kernel.org/r/20220525213617.30002-1-bb@ti.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The trends DROP_FULL and RAISE_FULL are not used and were never used
in the past AFAICT. Remove these conditions as they seems to not be
handled anywhere.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20220629151012.3115773-2-daniel.lezcano@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The code is actually clampling the next cooling device state using the
lowest and highest states of the thermal instance.
That code can be replaced by the clamp() macro which does exactly the
same. It results in a simpler routine to read.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20220629151012.3115773-1-daniel.lezcano@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The get_trend function relies on the interrupt to set the raising or
dropping trend. However the interpolated temperature is already giving
the temperature information to the thermal framework which is able to
deduce the trend.
Remove the trend code.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220616202537.303655-3-daniel.lezcano@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The get_trend function does already what the generic framework does.
Remove it.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://lore.kernel.org/r/20220616202537.303655-2-daniel.lezcano@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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There is a get_trend function which is a wrapper to call a private
get_trend function. However, this private get_trend function is not
assigned anywhere.
Remove this dead code.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Amit Kucheria <amitk@kernel.org>
Link: https://lore.kernel.org/r/20220616202537.303655-1-daniel.lezcano@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Add support for R-Car S4. The S4 IP differs a bit from its siblings in
such way that it has 3 out of 4 TSC nodes for Linux and the interrupts
are not routed to the INTC-AP but to the ECM.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220610201701.7946-2-wsa+renesas@sang-engineering.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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When handling the V3U/r8a779a0 exception, avoid using 'not:' because
then its subschemas are far away in the 'else:' branch. Keep them
together using positive logic.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220610201701.7946-1-wsa+renesas@sang-engineering.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Convert the Qualcomm QPNP PMIC Temperature Alarm to DT Schema.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220608112702.80873-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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When setting up a new board, a plain "Can't register thermal zone"
didn't help me much because the thermal zones in DT were all fine. I
just had a sensor entry too much in the parent TSC node. Reword the
failure/success messages to contain the sensor number to make it easier
to understand which sensor is affected. Example output now:
rcar_gen3_thermal e6198000.thermal: Sensor 0: Loaded 1 trip points
rcar_gen3_thermal e6198000.thermal: Sensor 1: Loaded 1 trip points
rcar_gen3_thermal e6198000.thermal: Sensor 2: Loaded 1 trip points
rcar_gen3_thermal e6198000.thermal: Sensor 3: Can't register thermal zone
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20220610200500.6727-1-wsa+renesas@sang-engineering.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Maintainers of the directory Documentation/devicetree/bindings/thermal
are also the maintainers of the corresponding directory
include/dt-bindings/thermal.
Add the file entry for include/dt-bindings/thermal to the appropriate
section in MAINTAINERS.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20220613124309.28790-1-lukas.bulwahn@gmail.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Remove unneeded global variable devfreq_cooling_ops which is used only
as a copy pattern. Instead, extend the struct devfreq_cooling_device with
the needed ops structure. This also simplifies the allocation/free code
during the setup/cleanup.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220613124327.30766-5-lukasz.luba@arm.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The code has moved and left some comments stale. Update them where
there is a need.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220613124327.30766-4-lukasz.luba@arm.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Simplify the thermal_power_cpu_get_power trace event by removing
complicated cpumask and variable length array. Now the tools parsing trace
output don't have to hassle to get this power data. The simplified format
version uses 'policy->cpu'. Remove also the 'load' information completely
since there is very little value of it in this trace event. To get the
CPUs' load (or utilization) there are other dedicated trace hooks in the
kernel. This patch also simplifies and speeds-up the main cooling code
when that trace event is enabled.
Rename the trace event to avoid confusion of tools which parse the trace
file.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20220613124327.30766-3-lukasz.luba@arm.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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device
It is very unlikely that one CPU cluster would have the EM and some other
won't have it (because EM registration failed or DT lacks needed entry).
Although, we should avoid modifying global variable with callbacks anyway.
Redesign this and add safety for such situation.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20220613124327.30766-2-lukasz.luba@arm.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The use of kmap() is being deprecated in favor of kmap_local_page().
Two main problems with kmap(): (1) It comes with an overhead as mapping
space is restricted and protected by a global lock for synchronization and
(2) kmap() also requires global TLB invalidation when the kmap’s pool
wraps and it might block when the mapping space is fully utilized until a
slot becomes available.
kmap_local_page() is preferred over kmap() and kmap_atomic(). Where it
cannot mechanically replace the latters, code refactor should be considered
(special care must be taken if kernel virtual addresses are aliases in
different contexts).
With kmap_local_page() the mappings are per thread, CPU local, can take
page faults, and can be called from any context (including interrupts).
Call kmap_local_page() in firmware_loader wherever kmap() is currently
used. In firmware_rw() use the helpers copy_{from,to}_page() instead of
open coding the local mappings + memcpy().
Successfully tested with "firmware" selftests on a QEMU/KVM 32-bits VM
with 4GB RAM, booting a kernel with HIGHMEM64GB enabled.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Suggested-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Link: https://lore.kernel.org/r/20220714235030.12732-1-fmdefrancesco@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix typo in the comment
Signed-off-by: Slark Xiao <slark_xiao@163.com>
Link: https://lore.kernel.org/r/20220721020623.20974-1-slark_xiao@163.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use the possessive "its" instead of the contraction "it's"
where appropriate.
Cc: Russell King <linux@armlinux.org.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20220715015959.12657-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When building with Clang we encounter the following warning
(ARCH=hexagon + CONFIG_FRAME_WARN=0):
| ../drivers/misc/lkdtm/bugs.c:107:3: error: format specifies type
| 'unsigned long' but the argument has type 'int' [-Werror,-Wformat]
| REC_STACK_SIZE, recur_count);
| ^~~~~~~~~~~~~~
Cast REC_STACK_SIZE to `unsigned long` to match format specifier `%lu`
as well as maintain symmetry with `#define REC_STACK_SIZE
(_AC(CONFIG_FRAME_WARN, UL) / 2)`.
Link: https://github.com/ClangBuiltLinux/linux/issues/378
Fixes: 24cccab42c419 ("lkdtm/bugs: Adjust recursion test to avoid elision")
Reported-by: Nathan Chancellor <nathan@kernel.org>
Suggested-by: Nathan Chancellor <nathan@kernel.org>
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Justin Stitt <justinstitt@google.com>
Link: https://lore.kernel.org/r/20220721215706.4153027-1-justinstitt@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit d3164e2f3b0a ("MIPS: Remove VR41xx support") removed support
for MIPS VR41xx platform, so remove exclusive drivers for this
platform, too.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Link: https://lore.kernel.org/r/20220716130802.11660-1-tsbogend@alpha.franken.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The uevents generated for an amba device need PID and CID information
that's available only when the amba device is powered on, clocked and
out of reset. So, if those resources aren't available, the information
can't be read to generate the uevents. To workaround this requirement,
if the resources weren't available, the device addition was deferred and
retried periodically.
However, this deferred addition retry isn't based on resources becoming
available. Instead, it's retried every 5 seconds and causes arbitrary
probe delays for amba devices and their consumers.
Also, maintaining a separate deferred-probe like mechanism is
maintenance headache.
With this commit, instead of deferring the device addition, we simply
defer the generation of uevents for the device and probing of the device
(because drivers needs PID and CID to match) until the PID and CID
information can be read. This allows us to delete all the amba specific
deferring code and also avoid the arbitrary probing delays.
Cc: Rob Herring <robh@kernel.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Saravana Kannan <saravanak@google.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Nicolas Saenz Julienne <nsaenz@kernel.org>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: patches@armlinux.org.uk
Signed-off-by: Saravana Kannan <saravanak@google.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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The soft_restart() is declared in <asm/system_misc.h> so
include that to fix the following sparse warning:
arch/arm/kernel/reboot.c:78:6: warning: symbol 'soft_restart' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Fix the use of a pointer assignment from integer where false
is being used instead of NULL. Fix the following warning by
usign NULL:
arch/arm/mm/dma-mapping.c:712:52: warning: Using plain integer as NULL pointer
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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