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The 4:4:4 packed YUV formats are documented with a bit-level
representation, which creates a wide table. Switch to a byte-oriented
representation to make it more compact. This prepares for the addition
of formats with more than 8 bits per component, that would make the
table way too wide.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The padding bits are left blank, which look weird in the XYUV format,
and, worse, may lead to the VUYX format to be understand as consuming 3
bytes per pixel. Add 'X' for padding bits as we do for RGB formats.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The pixfmt-packed-yuv.rst file documents packed YUV 4:4:4 formats, but
is titled generically as "Packed YUV formats". 4:2:2 and 4:1:1 packed
YUV formats are documented in separate files, which can be confusing.
Group all packed YUV formats in pixfmt-packed-yuv.rst, which allows
documenting the 4:2:2 formats in a more concise way.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Document YUV subsampling, including chroma spatial siting, and replace
the siting examples in individual formats by references to the common
documentation.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Using '-' to represent padding bits and bytes make text and tables more
difficult to read. Use 'x' and 'X' instead.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
All formats using 8 bits per component can be described with a byte
granularity instead of a bit granularity without loss of precision. This
makes the corresponding table more compact and easier to read.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The naming scheme for the RGB pixel formats has been developed
organically, and isn't consistent between formats using less than 8 bits
per pixels (mostly stored in 1 or 2 bytes per pixel, except for RGB666
that uses 4 bytes per pixel) and formats with 8 bits per pixel (stored
in 3 or 4 bytes). For the latter category, the names use a components
order convention that is the opposite of the first category, and the
opposite of DRM pixel formats. This has led to lots of confusion in the
past, and would really benefit from being explained more precisely. Do
so, which also prepares for the addition of additional RGB pixels
formats.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Improve readability of the documentation by adding a section title for
the deprecated formats.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The packed RGB formats documentation includes a layout table without any
context. This doesn't bring much useful information, and is confusing at
best. Remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This reverts commit f61eb7bc9256aeb173d2d730f59cdd569d261c52.
While aligning with the OF graph schema will be done for the media DT
bindings, this patch got merged a little too hastily. Revert it for now.
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add a keymap for the pine64 IR remote [0]. The mouse key has been mapped to
KEY_EPG to provide a more useful remote.
[0] http://files.pine64.org/doc/Pine%20A64%20Schematic/remote-wit-logo.jpg
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
We want the fixes in here, and this resolves a merge issue with
drivers/misc/habanalabs/common/memory.c.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This moves the MCDE bindings over to using the YAML schema
to describe the ST-Ericsson MCDE display controller,
making use of the generic DSI controller schema.
In the process we correct an error in the old text bindings:
the clocks for the SDI host controllers were specified as
part of the main MCDE component while they should be
specified in the DSI host controller subnodes. This was
a leftover from an earlier iteration of the first patch
series adding the MCDE.
We also add the "port" node, we will use this when adding
LCD panels using the direct parallel interface DPI instead
of DSI.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20201115185145.566772-1-linus.walleij@linaro.org
- bump version strings, by Simon Wunderlich
- update include for min/max helpers, by Sven Eckelmann
- add infrastructure and netlink functions for routing algo selection,
by Sven Eckelmann (2 patches)
- drop deprecated debugfs and sysfs support and obsoleted
functionality, by Sven Eckelmann (3 patches)
- drop unused include in fragmentation.c, by Simon Wunderlich
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Merge tag 'batadv-next-pullrequest-20201204' of git://git.open-mesh.org/linux-merge
Simon Wunderlich says:
====================
This cleanup patchset includes the following patches:
- bump version strings, by Simon Wunderlich
- update include for min/max helpers, by Sven Eckelmann
- add infrastructure and netlink functions for routing algo selection,
by Sven Eckelmann (2 patches)
- drop deprecated debugfs and sysfs support and obsoleted
functionality, by Sven Eckelmann (3 patches)
- drop unused include in fragmentation.c, by Simon Wunderlich
* tag 'batadv-next-pullrequest-20201204' of git://git.open-mesh.org/linux-merge:
batman-adv: Drop unused soft-interface.h include in fragmentation.c
batman-adv: Drop legacy code for auto deleting mesh interfaces
batman-adv: Drop deprecated debugfs support
batman-adv: Drop deprecated sysfs support
batman-adv: Allow selection of routing algorithm over rtnetlink
batman-adv: Prepare infrastructure for newlink settings
batman-adv: Add new include for min/max helpers
batman-adv: Start new development cycle
====================
Link: https://lore.kernel.org/r/20201204154631.21063-1-sw@simonwunderlich.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a binding description for the MStar/SigmaStar GPIO controller
found in the MSC313 and later ARMv7 SoCs.
Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201129110803.2461700-3-daniel@0x0f.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The "Interacting With the Legacy GPIO Subsystem" of the documentation
was unclear at best, and even included a sentence that seems to say the
opposite of what it should say about the lifetime of the return value of
the conversion functions.
Try to clarify things a bit and hopefully make that section more
readable.
Reported-by: Andy Shevchenko <andy.shevchenko@gmail.com>
BugLink: https://stackoverflow.com/q/64455505/2511795
Signed-off-by: Alexandre Courbot <gnurou@gmail.com>
Link: https://lore.kernel.org/r/20201122092548.61979-1-gnurou@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Document opp-supported-hw property, which is not strictly necessary to
have on Tegra20, but it's very convenient to have because all other SoC
core devices will use hardware versioning, and thus, it's good to maintain
the consistency.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20201203192439.16177-2-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Update the rockchip-emmc-phy.txt and add the u32 property
'output-tapdelay-select'. This allow to set the otapdlysec register.
Tested with our customized rk3399 board to tune eMMC.
Signed-off-by: Chris Ruehl <chris.ruehl@gtsys.com.hk>
Link: https://lore.kernel.org/r/20201202082507.3536-3-chris.ruehl@gtsys.com.hk
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Move Ingenic USB PHY bindings from Documentation/devicetree/bindings/usb
to Documentation/devicetree/bindings/phy, and add bindings for JZ4775 SoC
and X2000 SoC.
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20201116141906.11758-3-zhouyanjie@wanyeetech.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Update the documentation and add the bool property
enable-strobe-pulldown used to enable the internal pull-down for the
strobe line.
Signed-off-by: Chris Ruehl <chris.ruehl@gtsys.com.hk>
Link: https://lore.kernel.org/r/20201129054416.3980-3-chris.ruehl@gtsys.com.hk
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Add a new configuration DM_VERITY_VERIFY_ROOTHASH_SIG_SECONDARY_KEYRING
to enable dm-verity signatures to be verified against the secondary
trusted keyring. Instead of relying on the builtin trusted keyring
(with hard-coded certificates), the second trusted keyring can include
certificate authorities from the builtin trusted keyring and child
certificates loaded at run time. Using the secondary trusted keyring
enables to use dm-verity disks (e.g. loop devices) signed by keys which
did not exist at kernel build time, leveraging the certificate chain of
trust model. In practice, this makes it possible to update certificates
without kernel update and reboot, aligning with module and kernel
(kexec) signature verification which already use the secondary trusted
keyring.
Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
While PCI power states D0-D3hot can be queried from user-space via lspci,
D3cold cannot. lspci cannot provide an accurate value when the device is
in D3cold as it has to restore the device to D0 before it can access its
power state via the configuration space, leading to it reporting D0 or
another on-state. Thus lspci cannot be used to diagnose power consumption
issues for devices that can enter D3cold or to ensure that devices properly
enter D3cold at all.
Add a new sysfs device attribute for the PCI power state, showing the
current power state as seen by the kernel.
[bhelgaas: drop READ_ONCE(), see discussion at the link]
Link: https://lore.kernel.org/r/20201102141520.831630-1-luzmaximilian@gmail.com
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This is a signed tag for other subsystems to be able to pull in the
auxiliary bus support into their trees for the 5.11-rc1 merge.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'auxbus-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core into asoc-5.11
Auxiliary Bus support tag for 5.11-rc1
This is a signed tag for other subsystems to be able to pull in the
auxiliary bus support into their trees for the 5.11-rc1 merge.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
First set of patches for v5.11. rtw88 getting improvements to work
better with Bluetooth and other driver also getting some new features.
mhi-ath11k-immutable branch was pulled from mhi tree to avoid
conflicts with mhi tree.
Major changes:
rtw88
* major bluetooth co-existance improvements
wilc1000
* Wi-Fi Multimedia (WMM) support
ath11k
* Fast Initial Link Setup (FILS) discovery and unsolicited broadcast
probe response support
* qcom,ath11k-calibration-variant Device Tree setting
* cold boot calibration support
* new DFS region: JP
wnc36xx
* enable connection monitoring and keepalive in firmware
ath10k
* firmware IRAM recovery feature
mhi
* merge mhi-ath11k-immutable branch to make MHI API change go smoothly
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Merge tag 'wireless-drivers-next-2020-12-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for v5.11
First set of patches for v5.11. rtw88 getting improvements to work
better with Bluetooth and other driver also getting some new features.
mhi-ath11k-immutable branch was pulled from mhi tree to avoid
conflicts with mhi tree.
Major changes:
rtw88
* major bluetooth co-existance improvements
wilc1000
* Wi-Fi Multimedia (WMM) support
ath11k
* Fast Initial Link Setup (FILS) discovery and unsolicited broadcast
probe response support
* qcom,ath11k-calibration-variant Device Tree setting
* cold boot calibration support
* new DFS region: JP
wnc36xx
* enable connection monitoring and keepalive in firmware
ath10k
* firmware IRAM recovery feature
mhi
* merge mhi-ath11k-immutable branch to make MHI API change go smoothly
* tag 'wireless-drivers-next-2020-12-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next: (180 commits)
wl1251: remove trailing semicolon in macro definition
airo: remove trailing semicolon in macro definition
wilc1000: added queue support for WMM
wilc1000: call complete() for failure in wilc_wlan_txq_add_cfg_pkt()
wilc1000: free resource in wilc_wlan_txq_add_mgmt_pkt() for failure path
wilc1000: free resource in wilc_wlan_txq_add_net_pkt() for failure path
wilc1000: added 'ndo_set_mac_address' callback support
brcmfmac: expose firmware config files through modinfo
wlcore: Switch to using the new API kobj_to_dev()
rtw88: coex: add feature to enhance HID coexistence performance
rtw88: coex: upgrade coexistence A2DP mechanism
rtw88: coex: add action for coexistence in hardware initial
rtw88: coex: add function to avoid cck lock
rtw88: coex: change the coexistence mechanism for WLAN connected
rtw88: coex: change the coexistence mechanism for HID
rtw88: coex: update AFH information while in free-run mode
rtw88: coex: update the mechanism for A2DP + PAN
rtw88: coex: add debug message
rtw88: coex: run coexistence when WLAN entering/leaving LPS
Revert "rtl8xxxu: Add Buffalo WI-U3-866D to list of supported devices"
...
====================
Link: https://lore.kernel.org/r/20201203185732.9CFA5C433ED@smtp.codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add PM8350 and PM8350C compatibles for these PMICs found in some
Qualcomm platforms.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20201203071244.2652297-1-vkoul@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
When mapping a device,
/sys/devices/virtual/rnbd-client/ctl/devices/<device_id> was created.
But we found out that it had a problem when mapping the same file
on different servers. So we append the session name after the
device_id as below.
/sys/devices/virtual/rnbd-client/ctl/devices/<device_id>@<session_name>
Signed-off-by: Gioh Kim <gi-oh.kim@cloud.ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
/sys/block/rnbd<N> is created, not /sys/block/rnbd_client/rnbd<N>
Signed-off-by: Gioh Kim <gi-oh.kim@cloud.ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This is a signed tag for other subsystems to be able to pull in the
auxiliary bus support into their trees for the 5.11-rc1 merge.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'auxbus-5.11-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core into mlx5-next
Auxiliary Bus support tag for 5.11-rc1
This is a signed tag for other subsystems to be able to pull in the
auxiliary bus support into their trees for the 5.11-rc1 merge.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* tag 'auxbus-5.11-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
driver core: auxiliary bus: minor coding style tweaks
driver core: auxiliary bus: make remove function return void
driver core: auxiliary bus: move slab.h from include file
Add auxiliary bus support
There's an effort to move the remove() callback in the driver core to
not return an int, as nothing can be done if this function fails. To
make that effort easier, make the aux bus remove function void to start
with so that no users have to be changed sometime in the future.
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Ertman <david.m.ertman@intel.com>
Cc: Fred Oh <fred.oh@linux.intel.com>
Cc: Kiran Patil <kiran.patil@intel.com>
Cc: Leon Romanovsky <leonro@nvidia.com>
Cc: Martin Habets <mhabets@solarflare.com>
Cc: Parav Pandit <parav@mellanox.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Cc: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/X8ohB1ks1NK7kPop@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for the Auxiliary Bus, auxiliary_device and auxiliary_driver.
It enables drivers to create an auxiliary_device and bind an
auxiliary_driver to it.
The bus supports probe/remove shutdown and suspend/resume callbacks.
Each auxiliary_device has a unique string based id; driver binds to
an auxiliary_device based on this id through the bus.
Co-developed-by: Kiran Patil <kiran.patil@intel.com>
Co-developed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Co-developed-by: Fred Oh <fred.oh@linux.intel.com>
Co-developed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Kiran Patil <kiran.patil@intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Fred Oh <fred.oh@linux.intel.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Shiraz Saleem <shiraz.saleem@intel.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Martin Habets <mhabets@solarflare.com>
Link: https://lore.kernel.org/r/20201113161859.1775473-2-david.m.ertman@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/160695681289.505290.8978295443574440604.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for the PMX55 GPIO support to the Qualcomm PMIC GPIO
binding.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20201126092151.1082697-1-vkoul@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add an early parameter that allows users to select the mode of operation
for KVM/arm64.
For now, the only supported value is "protected". By passing this flag
users opt into the hypervisor placing additional restrictions on the
host kernel. These allow the hypervisor to spawn guests whose state is
kept private from the host. Restrictions will include stage-2 address
translation to prevent host from accessing guest memory, filtering its
SMC calls, etc.
Without this parameter, the default behaviour remains selecting VHE/nVHE
based on hardware support and CONFIG_ARM64_VHE.
Signed-off-by: David Brazdil <dbrazdil@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201202184122.26046-2-dbrazdil@google.com
The sysfs in batman-adv support was marked as deprecated by the commit
42cdd521487f ("batman-adv: ABI: Mark sysfs files as deprecated") and
scheduled for removal in 2021.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Fix four typos in kcov.rst, sphinx.rst, clang-format.rst, and embargoed-hardware-issues.rst
Signed-off-by: Andrew Klychkov <andrew.a.klychkov@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://lore.kernel.org/r/20201202075438.GA35516@spblnx124.lan
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Fix two typos in kernel-docs.rst
Signed-off-by: Andrew Klychkov <andrew.a.klychkov@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20201202074938.GA35075@spblnx124.lan
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Change wording to say that messages are logged to the kernel log
buffer instead of to dmesg. dmesg is just one program that can
print the kernel log buffer.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/r/20201202012409.19194-1-rdunlap@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Modify Coccinelle documentation to clarify usage of make command to
run coccicheck on a folder.
Changes in v2:
- Give example of folder instead of file
- Add note
Signed-off-by: Sumera Priyadarsini <sylphrenadin@gmail.com>
Link: https://lore.kernel.org/r/20201126075730.w6brpeuviefmsxhl@adolin
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
