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For some domains the resets of the devices in the domain are not
automatically triggered. Add an optional resets property to allow
the GPC driver to trigger those resets explicitly.
The resets belong to devices located inside the power domain,
which need to be held in reset across the power-up sequence. So we
have no means to specify what each reset is in a generic power-domain
binding. Same situation as with the clocks in this binding actually.
Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The DaSheng Com-9xx is and ARM based signle board computer (SBC)
featuring:
- i.MX6Q
- 2GiB LPDDR3 DRAM
- 8GiB eMMC 5.0 FLASH
- 4MiB SPI Flash
- USB 2.0 Host/Device
- Multiple multi-protocol RS232/RS485 Serial ports
- microSD socket
- 5V DC power input
- HDMI1.4a,1080p@60
- RGMIIx1 Gigabit Ethernet
- CSI0x1, connect with ov2659
Signed-off-by: Dillon Min <dillon.minfei@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add vendor prefix for DaSheng, Inc.
Signed-off-by: Dillon Min <dillon.minfei@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Backmerging from drm/drm-next to the patches for AMD devices
for v5.14.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
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Converts display/faraday,tve200.txt to yaml.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210519203547.837237-1-clabbe@baylibre.com
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The kunit_tool documentation page was pretty minimal, and a bit
outdated. Update it and flesh it out a bit.
In particular,
- Mention that .kunitconfig is now in the build directory
- Describe the use of --kunitconfig to specify a different config
framgent
- Mention the split functionality (i.e., commands other than 'run')
- Describe --raw_output and kunit.py parse
- Mention the globbing support
- Provide a quick overview of other options, including --build_dir and
--alltests
Note that this does overlap a little with the new running_tips page. I
don't think it's a problem having both: this page is supposed to be a
bit more of a reference, rather than a list of useful tips, so the fact
that they both describe the same features isn't a problem.
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Daniel Latypov <dlatypov@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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This is long overdue.
There are several things that aren't nailed down (in-tree
.kunitconfig's), or partially broken (GCOV on UML), but having them
documented, warts and all, is better than having nothing.
This covers a bunch of the more recent features
* kunit_filter_glob
* kunit.py run --kunitconfig
* slightly more detail on building tests as modules
* CONFIG_KUNIT_DEBUGFS
By my count, the only headline features now not mentioned are the KASAN
integration and KernelCI json output support (kunit.py run --json).
And then it also discusses how to get code coverage reports under UML
and non-UML since this is a question people have repeatedly asked.
Non-UML coverage collection is no different from normal, but we should
probably explicitly call this out.
As for UML, I was able to get it working again with two small hacks.*
E.g. with CONFIG_KUNIT=y && CONFIG_KUNIT_ALL_TESTS=y
Overall coverage rate:
lines......: 15.1% (18294 of 120776 lines)
functions..: 16.8% (1860 of 11050 functions)
Note: this doesn't document --alltests since this is not stable yet.
Hopefully being run more frequently as part of KernelCI will help...
*Using gcc/gcov-6 and not using uml_abort() in os_dump_core().
I've documented these hacks in "Notes" but left TODOs for
brendanhiggins@google.com who tracked down the runtime issue in GCC.
To be clear: these are not issues specific to KUnit, but rather to UML.
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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When "Bus" was renamed to "Core" the header underline update was missed.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 5f653f7590ab ("cxl/core: Rename bus.c to core.c")
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Link: https://lore.kernel.org/r/162154034053.1995075.17047445540000243300.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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No one checks the return value of debugfs_create_bool(), as it's not
needed, so make the return value void, so that no one tries to do so in
the future.
Link: https://lore.kernel.org/r/20210521184519.1356639-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The USB controller in the RK3308 is compatible with the RK3066 USB
controller.
This patch adds a compatible string for it.
Signed-off-by: Tobias Schramm <t.schramm@manjaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210514150044.2099298-4-t.schramm@manjaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The nxp,isp1760 driver is old in the tree, but did not had a bindings
entry, since I am extend it to support isp1763 in the same family, use
this to add a proper yaml bindings file.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Link: https://lore.kernel.org/r/20210513084717.2487366-9-rui.silva@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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EVM_ALLOW_METADATA_WRITES is an EVM initialization flag that can be set to
temporarily disable metadata verification until all xattrs/attrs necessary
to verify an EVM portable signature are copied to the file. This flag is
cleared when EVM is initialized with an HMAC key, to avoid that the HMAC is
calculated on unverified xattrs/attrs.
Currently EVM unnecessarily denies setting this flag if EVM is initialized
with a public key, which is not a concern as it cannot be used to trust
xattrs/attrs updates. This patch removes this limitation.
Fixes: ae1ba1676b88e ("EVM: Allow userland to permit modification of EVM-protected metadata")
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Cc: stable@vger.kernel.org # 4.16.x
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
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The turbo_pct and num_pstates sysfs attributes represent CPU
properties that may be different for differenty types of CPUs in
a hybrid processor, so avoid exposing them in that case.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pull devicetree fixes from Rob Herring:
- Another batch of removing unneeded type references in schemas
- Fix some out of date filename references
- Convert renesas,drif schema to use DT graph schema
* tag 'devicetree-fixes-for-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: More removals of type references on common properties
dt-bindings: media: renesas,drif: Use graph schema
leds: Fix reference file name of documentation
dt-bindings: phy: cadence-torrent: update reference file of docs
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Add RNG binding for MT8365 SoC.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20210520111656.66017-2-fparent@baylibre.com
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert the RNG binding for MediaTek to use YAML schema.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20210520111656.66017-1-fparent@baylibre.com
Signed-off-by: Rob Herring <robh@kernel.org>
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The tango platform was removed, so the driver is no longer needed.
Cc: Marc Gonzalez <marc.w.gonzalez@free.fr>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Added a sysfs entry to support writing to the offset register on page1.
This register is used to calibrate the chip canceling offset errors in the
current ADC. This means that, over time, reading the IAD register will not
return the correct current measurement, it will have an offset. Writing to
the offset register if the two's complement of the current register while
passing zero current to the load will calibrate the measurements. This
change was tested on real hardware and it was able to calibrate the chip
correctly.
Signed-off-by: Luiz Sampaio <sampaio.ime@gmail.com>
Link: https://lore.kernel.org/r/20210519223046.13798-7-sampaio.ime@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Added a sysfs entry to support reading the page1 registers. This registers
contain Elapsed Time Meter (ETM) data, which shows for how long the chip is
on, as well as an Offset Register data, which can be used to calibrate the
current measurement of the chip.
Signed-off-by: Luiz Sampaio <sampaio.ime@gmail.com>
Link: https://lore.kernel.org/r/20210519223046.13798-6-sampaio.ime@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit caa93d9bd2d7 ("usb: Fix up movement of USB core kerneldoc location")
removed the reference to the _usb_header label by mistake, which causes the
following htmldocs build warning:
Documentation/driver-api/usb/writing_usb_driver.rst:129: WARNING: undefined label: usb_header
Restore the label.
Fixes: caa93d9bd2d7 ("usb: Fix up movement of USB core kerneldoc location")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210521013608.17957-1-festevam@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The H616 has four PHYs as the H3, along with their respective clock
gates and resets, so the property description is identical.
However the PHYs itself need some special bits, so we need a new
compatible string for it.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210519104152.21119-9-andre.przywara@arm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The H616 MUSB peripheral is compatible to the H3 one (8 endpoints).
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210519104152.21119-10-andre.przywara@arm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We want the char/misc driver fixes in here as well
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull ARM SoC fixes from Arnd Bergmann:
"Only a small number of fixes so far, including some that I had applied
during the merge window, so this is based on the original merge of the
other branches.
- The largest change is a fix for a reference counting bug in the AMD
TEE driver.
- Neil Armstrong now co-maintains Amlogic SoC support
- Two build warning fixes for renesas device tree files
- A sign expansion bug for optee
- A DT binding fix for a mismerge"
* tag 'arm-soc-fixes-5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: npcm: wpcm450: select interrupt controller driver
MAINTAINERS: ARM/Amlogic SoCs: add Neil as primary maintainer
tee: amdtee: unload TA only when its refcount becomes 0
dt-bindings: nvmem: mediatek: remove duplicate mt8192 line
firmware: arm_scmi: Remove duplicate declaration of struct scmi_protocol_handle
firmware: arm_scpi: Prevent the ternary sign expansion bug
arm64: dts: renesas: Add port@0 node for all CSI-2 nodes to dtsi
arm64: dts: renesas: aistarvision-mipi-adapter-2.1: Fix CSI40 ports
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While include/linux/bitops.h brings in the BIT() macro, it was moved to
include/linux/bits.h in commit 8bd9cb51daac ("locking/atomics, asm-generic:
Move some macros from <linux/bitops.h> to a new <linux/bits.h> file").
Since that commit BIT() has moved again into include/vdso/bits.h via
commit 3945ff37d2f4 ("linux/bits.h: Extract common header for vDSO").
I think the move to the vDSO header can be considered an implementation
detail, so for now update the checkpatch documentation to recommend use
of include/linux/bits.h.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Jiri Slaby <jirislaby@kernel.org>
Acked-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20210520093949.511471-1-andrew@aj.id.au
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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It is 'driver' to complete the request. Also remove a redundant space.
Signed-off-by: Yue Hu <huyue2@yulong.com>
Link: https://lore.kernel.org/r/20210520074225.1989-1-zbestahu@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Convert the ARM Snoop Control Unit (SCU) Device Tree binding
documentation to json-schema.
Document required properties.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/c5c36fb952675df4b9c9834d53a21fb58f391e86.1621522979.git.geert+renesas@glider.be
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert the ARM Timer-Watchdog Device Tree binding documentation to
json-schema. As the old binding document actually contained two
bindings, it is split in two document: one for the timer part, and one
for the watchdog part.
Document missing properties.
Update examples to match reality.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/3ccc0cf5319f56e230ee3b8a009f8d63afb114c1.1621521847.git.geert+renesas@glider.be
[robh: Fix up node names]
Signed-off-by: Rob Herring <robh@kernel.org>
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Add missing spaces to make the diagrams readable, no functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: devicetree@vger.kernel.org
To: dri-devel@lists.freedesktop.org
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20210517224336.409301-1-marex@denx.de
Signed-off-by: Rob Herring <robh@kernel.org>
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This patch translates Documentation/parisc/registers.rst into Chinese.
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Wu XiangCheng <bobwxc@email.cn>
Link: https://lore.kernel.org/r/b8375b5cd2c5163691691fe4757511ce984f3b83.1620805100.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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This patch translates Documentation/parisc/debugging.rst into Chinese.
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Link: https://lore.kernel.org/r/32661b39374f012442b760444ef149afcc0d22af.1620805100.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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This patch translates Documentation/parisc/index.rst into Chinese.
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Wu XiangCheng <bobwxc@email.cn>
Link: https://lore.kernel.org/r/c13ce34b11a65e1f18c4e37566509ead82f2c15f.1620805100.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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- Document a couple of more checkpatch message types.
- Add a blank line before all `See:` lines to improve the
rst output.
- Create a new subsection `Permissions` and move a few types
to it.
Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com>
Acked-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20210515132348.19082-1-dwaipayanray1@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Replace /* fall through */ comment with fallthrough, make
it align with original process/coding-style.rst
Signed-off-by: Wei Ming Chen <jj251510319013@gmail.com>
Link: https://lore.kernel.org/r/20210515155142.2490-1-jj251510319013@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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As reported by scripts/get_abi.pl:
Warning: /sys/class/leds/<led>/repeat is defined 2 times: Documentation/ABI/testing/sysfs-class-led-driver-el15203000:0 Documentation/ABI/testing/sysfs-class-led-trigger-pattern:28
The definition for the EL15203000 is just a special case of
the sysfs led class. So, drop it and mentions the possible
exception at the class definition.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/394580bd2e007ffb640f97212973a772ed8f0409.1621413933.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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./scripts/get_abi.pl is warning about duplicated symbol
definition:
Warning: /sys/class/backlight/<backlight>/l1_daylight_max is defined 2 times: ./Documentation/ABI/testing/sysfs-class-backlight-driver-adp8870:4 ./Documentation/ABI/testing/sysfs-class-backlight-adp8860:12
What happens is that 3 drivers use the same pattern to report
max and dim setting for different ambient light zones.
It should be noticed that the adp8870 doc was missing an
entry for l1_daylight_dim, which was fixed on this patch.
While the ambient light zone is device-specific, the sysfs
definition is actually common. So, unify them at:
Documentation/ABI/testing/sysfs-class-backlight
and use as the contact point, the e-mail reported by
get_maintainers.pl for the subsystem.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/c13c6ebd03cd04a0d15d89018f8d529918fc0a73.1621413933.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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./scripts/get_abi.pl is reporting a duplicated definition for
/sys/kernel/iommu_groups/reserved_regions, both at the same
file:
Warning: /sys/kernel/iommu_groups/reserved_regions is defined 2 times: Documentation/ABI/testing/sysfs-kernel-iommu_groups:15 Documentation/ABI/testing/sysfs-kernel-iommu_groups:27
Fix it by merging those into an unified entry.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/ec33e8e9b8f120232ffb3b9fcc99c97b87f242e3.1621413933.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The document which describes the SGX kernel architecture was added at
commit 3fa97bf00126 ("Documentation/x86: Document SGX kernel architecture")
but the reference at virt/kvm/api.rst is pointing to some
non-existing document.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/138c24633c6e4edf862a2b4d77033c603fc10406.1621413933.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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cgroupv2.rst -> cgroup-v2.rst
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/1dc0203bd7df375ef45832f0c88566e22c4138ff.1621413933.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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transaltions -> translations
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Wu XiangCheng <bobwxc@email.cn>
Link: https://lore.kernel.org/r/40b3d5c983fb06d8a58d1f613c175a98e0631677.1621413933.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Changeset f0400a77ebdc ("atomic: Delete obsolete documentation")
got rid of atomic_ops.rst, pointing that this was superseded by
Documentation/atomic_*.txt.
Update its reference accordingly.
Fixes: f0400a77ebdc ("atomic: Delete obsolete documentation")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/703af756ac26a06c2185c05dfe6d902253f11161.1621413933.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Imx-card is a new added machine driver for supporting
ak4458/ak5558/ak5552/ak4497 codec on i.MX platforms. But these
DAC/ADCs are not only supported codecs. This machine driver is
designed to be a more common machine driver for i.MX platform,
it can support widely cpu dai interface and codec dai interface.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1621247488-21412-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The sc and scv 0 system calls have different ABI conventions, and
ptracers need to know which system call type is being used if they want
to look at the syscall registers.
Document that pt_regs.trap can be used for this, and fix one in-tree user
to work with scv 0 syscalls.
Fixes: 7fa95f9adaee ("powerpc/64s: system call support for scv/rfscv instructions")
Cc: stable@vger.kernel.org # v5.9+
Reported-by: "Dmitry V. Levin" <ldv@altlinux.org>
Suggested-by: "Dmitry V. Levin" <ldv@altlinux.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210520111931.2597127-1-npiggin@gmail.com
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Most litex boards using RISC-V soft cores us the sbi earlycon, however
this is not available for non RISC-V litex SoC's. This patch enables
earlycon for liteuart which is available on all Litex SoC's making
support for earycon debugging more widely available.
Cc: Florent Kermarrec <florent@enjoy-digital.fr>
Cc: Mateusz Holenko <mholenko@antmicro.com>
Cc: Joel Stanley <joel@jms.id.au>
Cc: Gabriel L. Somlo <gsomlo@gmail.com>
Reviewed-and-tested-by: Gabriel Somlo <gsomlo@gmail.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Stafford Horne <shorne@gmail.com>
Link: https://lore.kernel.org/r/20210517115453.24365-1-shorne@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add a Rockchip RK1808 compatible.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210516230551.12469-3-afaerber@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Document R9A07G044 SoC variants, common compatiable string
"renesas,scif-r9a07g044" is added for RZ/G2L and RZ/G2LC SoC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210514192218.13022-10-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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On most of the Amlogic SoCs, the first UART controller in the "Everything-Else"
power domain has 128bytes of RX & TX FIFO, so add an optional property to describe
a different FIFO size from the other ports (64bytes).
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20210518075833.3736038-2-narmstrong@baylibre.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The CLKSCREW attack [0] exposed security vulnerabilities in energy management
implementations where untrusted software had direct access to clock and
voltage hardware controls. In this attack, the malicious software was able to
place the platform into unsafe overclocked or undervolted configurations. Such
configurations then enabled the injection of predictable faults to reveal
secrets.
Many Arm-based systems used to or still use voltage regulator and clock
frameworks in the kernel. These frameworks allow callers to independently
manipulate frequency and voltage settings. Such implementations can render
systems susceptible to this form of attack.
Attacks such as CLKSCREW are now being mitigated by not having direct and
independent control of clock and voltage in the kernel and moving that
control to a trusted entity, such as the SCP firmware or secure world
firmware/software which are to perform sanity checking on the requested
performance levels, thereby preventing any attempted malicious programming.
With the advent of such an abstraction, there is a need to replace the
generic clock and regulator bindings used by such devices with a generic
performance domains bindings.
[0] https://www.usenix.org/conference/usenixsecurity17/technical-sessions/presentation/tang
Cc: Rob Herring <robh+dt@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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drm-misc-next for 5.14:
UAPI Changes:
Cross-subsystem Changes:
Core Changes:
* aperture: Fix unlocking on errors
* legacy: Fix some doc comments
Driver Changes:
* drm/amdgpu: Free resource on fence usage query; Fix fence calculation;
* drm/bridge: Lt9611: Add missing MODULE_DEVICE_TABLE
* drm/i915: Print formats with %p4cc
* drm/ingenic: IPU planes are now always of type OVERLAY
* drm/nouveau: Remove left-over reference to struct drm_device.pdev
* drm/panfrost: Disable devfreq if num_supplies > 1; Add Mediatek MT8183 +
DT bindings; Cleanups
* drm/simpledrm: Print resources with %pr; Fix use-after-free errors;
Fix NULL deref; Fix MAINTAINERS entry
* drm/vmwgfx: Fix memory allocation and leak in FIFO allocation; Fix
return value in PCI resource setup
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YKJs2IfwSYvuGPU7@linux-uq9g.fritz.box
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Finally, rename the header and source file from csr to dmc.
v2: Add file rename in Documentation.
- Place headers in orders. (Jani)
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210518213444.11420-6-anusha.srivatsa@intel.com
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Lucas Stach
Dillon Min
Thomas Zimmermann
Corentin Labbe
David Gow
Daniel Latypov
Dan Williams
Greg Kroah-Hartman
Tobias Schramm
Rui Miguel Silva
Roberto Sassu
Rafael J. Wysocki
Linus Torvalds
Fabien Parent
Arnd Bergmann
Luiz Sampaio
Fabio Estevam
Andre Przywara
Andrew Jeffery
Yue Hu
Geert Uytterhoeven
Marek Vasut
Yanteng Si
Dwaipayan Ray
Wei Ming Chen
Mauro Carvalho Chehab
Shengjiu Wang
Nicholas Piggin
Stafford Horne
Andreas Färber
Lad Prabhakar
Neil Armstrong
Sudeep Holla
Dave Airlie
Anusha Srivatsa