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rvt_alloc_device() deallocates the IB device when its port array cannot
be allocated but then returns the pointer to the released allocation.
Callers treat any non-NULL value as valid and dereference it, resulting
in a use-after-free.
Return NULL immediately after deallocation so callers can propagate the
allocation failure.
Fixes: ff6acd69518e ("IB/rdmavt: Add device structure allocation")
Link: https://patch.msgid.link/20260708-clean-init-one-hfi1-v1-1-b9e9641268a5@nvidia.com
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
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fwnet_frag_new() keeps a sorted list of received fragments for a partial
datagram. When a new fragment is adjacent to an existing fragment, the
code checks whether the new fragment also closes the gap to the next or
previous list entry.
Those neighbor lookups currently assume that the current fragment always
has a real next or previous fragment. At a list edge, the next or
previous entry is the list head, not a struct fwnet_fragment_info.
The gap checks also compare against the old edge of the current fragment
instead of the edge after adding the new fragment. As a result, a
fragment that bridges two existing ranges may leave two adjacent ranges
unmerged, so fwnet_pd_is_complete() can miss a complete datagram.
Check for the list head before looking up the neighboring fragment, and
compare the neighbor against the new fragment's far edge when deciding
whether to merge all three ranges.
This issue was found by a static analysis checker and confirmed by
manual source review.
Fixes: c76acec6d551 ("firewire: add IPv4 support")
Signed-off-by: Ruoyu Wang <ruoyuw560@gmail.com>
Link: https://lore.kernel.org/r/20260707150454.2265951-1-ruoyuw560@gmail.com
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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Add the compatible for the MMC controllers of the Rockchip RV1106,
which are compatible with the RK3288 variant.
Unlike the newer controller in the RV1103B, which uses the RK3576
fallback, the RV1106 controller is the older IP whose drive and sample
phases are set through clocks provided by the GRF, so the RK3288
fallback is the correct one here.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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Some Realtek USB SD readers with a tray keep raw SD_CD asserted
when an empty tray is inserted. The MMC core then repeatedly tries to
initialize non-existent media, sees command timeouts, calls ->get_cd()
again, and starts the same detect cycle over.
Do not qualify media by open-coding MMC commands in ->get_cd().
Instead, let the normal MMC rescan path probe the card. If an
initialization command times out before a card has been attached,
suppress the raw SD_CD signal so the host can settle and the USB
parent can autosuspend.
Clear the suppression only when raw SD_CD drops. On the affected tray
reader, changing media requires removing and reinserting the tray, so
a low CD transition is the signal that a new insertion attempt can be
trusted again.
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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The runtime autosuspend callback currently queries card status and
clears OCP by issuing USB register accesses. This can run from the
USB runtime-PM path itself, which is the wrong place to start more
device I/O.
Keep a cached copy of the card-status bits from normal status reads
instead. During runtime autosuspend, use that cached value only to
preserve the existing Memory Stick autosuspend deferral.
Do not treat raw SD_CD as an autosuspend blocker, because tray-based
SD readers can assert SD_CD with an empty tray. A real SD card is
protected by the SD/MMC child runtime-PM usage once powered.
Also stop clearing OCP from the runtime autosuspend callback, so the
callback does not issue USB commands.
Fixes: bb400d2120bd ("mfd: rtsx_usb: Defer autosuspend while card exists")
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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Add a drop guard before the call to the chained closure so that the value
initialized by the first stage is dropped if the closure errors or panics;
`mem::forget` the guard on success.
The previous code only ran cleanup on the explicit error path, leaking the
first-stage value if the chained closure panicked.
Reported-by: Gary Guo <gary@garyguo.net>
Closes: https://github.com/Rust-for-Linux/pin-init/issues/136
Suggested-by: Gary Guo <gary@garyguo.net>
Signed-off-by: Mirko Adzic <adzicmirko97@gmail.com>
Link: https://patch.msgid.link/20260710-pin-init-sync-v1-7-8fa16cde87ae@garyguo.net
[ Fix Clippy missing safety comment false positive when `slot` and `guard`
creation are merged in a single line. - Gary ]
Signed-off-by: Gary Guo <gary@garyguo.net>
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The previous code only ran cleanup on the explicit error path. If the per-
element initializer panicked partway through, the elements already written
into the array would be leaked: their `Drop` impls would never run. This
violates the pinning requirement.
Fix the unwind safety issue by adding a guard type that drops element on
both error and panic path.
To avoid having to duplicate code between `pin_init_array_from_fn` and the
non-pin variant, extract the code to a shared `ArrayInit` type; this type
is internal and not visible via API.
Reported-by: Gary Guo <gary@garyguo.net>
Closes: https://github.com/Rust-for-Linux/pin-init/issues/136
Signed-off-by: Mirko Adzic <adzicmirko97@gmail.com>
Link: https://patch.msgid.link/20260710-pin-init-sync-v1-6-8fa16cde87ae@garyguo.net
[ Split guard type and the initializer type, move the guard type to be
within __pinned_init. - Gary ]
Co-developed-by: Gary Guo <gary@garyguo.net>
Signed-off-by: Gary Guo <gary@garyguo.net>
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`init!` support interleaving code execution and initialization, and code
execution is done using `_: { ... }` syntax. If the code inside block is a
single statement, Rust may add a lint about unused braces, but the
suggestion will be incorrect as block is required by pin-init.
Currently we use `unused_brace` to suppress this, but this affect
everything nested inside as well. Use an alternative approach by generating
the block from the macro, then rustc will know to not emit the lint.
Reviewed-by: Benno Lossin <lossin@kernel.org>
Link: https://patch.msgid.link/20260710-pin-init-sync-v1-5-8fa16cde87ae@garyguo.net
Signed-off-by: Gary Guo <gary@garyguo.net>
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Most warnings are suppressed from external macro expansions by default.
Thus remove `allow` and `expect`s for them.
Note that `unfulfilled_lint_expectations` is one of them too. This means
that all of our `expect`s inside macros do nothing, and actually mislead
people to the lints would be actually emitted without them.
Reviewed-by: Benno Lossin <lossin@kernel.org>
Link: https://patch.msgid.link/20260710-pin-init-sync-v1-4-8fa16cde87ae@garyguo.net
Signed-off-by: Gary Guo <gary@garyguo.net>
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These lints are automatically suppressed inside doc tests. Previously this
is needed because kernel builds doc tests with the default set of clippy
flags; but now `clippy::disallowed_names` is globally allowed inside doc
tests.
Reviewed-by: Benno Lossin <lossin@kernel.org>
Link: https://patch.msgid.link/20260710-pin-init-sync-v1-3-8fa16cde87ae@garyguo.net
Signed-off-by: Gary Guo <gary@garyguo.net>
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Remove the drop and associated clippy allow. The warning reported by Clippy
here is genuine; the binding created is `Pin<&mut T>` so dropping it does
nothing. `stack_pin_init` created bindings are only dropped at the end of
scope.
Reviewed-by: Benno Lossin <lossin@kernel.org>
Link: https://patch.msgid.link/20260710-pin-init-sync-v1-2-8fa16cde87ae@garyguo.net
Signed-off-by: Gary Guo <gary@garyguo.net>
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Duplicated `#[pin]` has no effect, thus error if misused.
Reported-by: Mohamad Alsadhan <mo@sdhn.cc>
Closes: https://github.com/Rust-for-Linux/pin-init/issues/119
Signed-off-by: Luiz Georg <luizgngeorg@gmail.com>
Link: https://patch.msgid.link/20260710-pin-init-sync-v1-1-8fa16cde87ae@garyguo.net
[ Reworded commit message, and change the logic so code generation still
continue after reporting error - Gary ]
Signed-off-by: Gary Guo <gary@garyguo.net>
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Several SCMI notification data structures allocate a descriptor and then
allocate a fixed-size array referenced by that descriptor.
Use flexible array members for per-protocol registered events and
per-event source refcounts so each descriptor and its array can be
allocated together. Annotate the flexible arrays with __counted_by() and
assign the count fields immediately after allocation, before any array
access.
The registered_protocols table has a fixed SCMI_MAX_PROTO size, so embed
it directly in the notification instance instead of allocating it
separately.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20260630204719.334211-1-rosenp@gmail.com
(sudeep.holla: Updated title and improved change description)
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
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On multi-socket platforms each socket has its own BPMP that is
registered with the kernel. For such platforms prefix the NUMA ID for
each socket to the BPMP powergate name to ensure there is a unique name
for each power-domain. Note that we only add the NUMA ID for powergates
that return a valid name because an invalid name indicates that the
powergate ID is not supported.
Note the check for the NULL string is moved into the function
tegra_bpmp_powergate_get_name(), because in the multi-socket case we
must only add the prefix if we receive a valid name. A NULL string
indicates that there is no valid powergate associated with the ID that
is being queried.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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Commit 18605b1b936b ("pmdomain: bcm: bcm2835-power: Increase ASB control
timeout") raised the ASB handshake polling budget from 1us to 5us.
Surveying the pmdomain subsystem, 5us is still one of the smallest polling
budgets by a wide margin. Comparable handshakes in other drivers use:
- 100us : starfive jh71xx-pmu, apple pmgr-pwrstate
- 1ms : renesas rcar-sysc, rmobile-sysc (power-on)
- 10ms : renesas rcar-gen4-sysc, sunxi sun55i-pck600
- 1s : mediatek mtk-pm-domains, mtk-scpsys
Raise the BCM2835 timeout to 100us, matching analogous drivers. 100us is
still negligible relative to a power-domain transition and gives the V3D
master ASB substantially more headroom to drain under heavy workloads,
assuring us that the timeout is enough for any scenario.
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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Add support for the power domains provided by the HFRPSYS Power
Controller of the MT8196 SoC.
Those control power to the eDP and DP Transmitter IPs.
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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Some new SoCs like MT8196, MT6991, and others, have got one
additional power controller (usually in the HFRP Multimedia
block) which needs a simplified power on/off sequence while
using Direct Control strategy.
Domains using the "simple power sequence" are not backed by
the RTFF hardware, have no Bus Protection mechanism, lacks
the ISO, PWR_ON, PWR_ON_2ND bits, and therefore get enabled
automatically after getting out of reset.
This simple power sequence is then a subset of the full one
as only needs the enablement of the specific power domain's
clock input and reset (where, again, after getting out of
reset, the ISO and PWR_ON bits are automatically internally
getting flipped) to enable or disable (power on or off).
Moreover, the simple power sequence power domains guarantee
that they always get enabled/disabled after executing the
relevant power sequence (on/off) so, differently from the
others, there is also no need to poll for a PWR_ACK.
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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In case any probe error occurs (usually, a probe deferral) the
power domains shall be cleaned up while respecting their child
to parent relationship, or the system may freeze.
In order to do that without any memory footprint impacts after
the fact, allocate a temporary array in the probe function and
use it to store the indices of the added power domains in the
correct order.
This will be used in the error cleanup path and will be freed
at the end regardless of the probe status as, when the probing
succeeds, the genpd API takes care of unregistering all PDs in
the correct order anyway.
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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Merge the immutable branch dt into next, to allow the updated DT bindings
to be tested together with the pmdomain changes that are targeted for the
next release.
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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Merge the pmdomain fixes for v7.2-rc[n] into the next branch, to allow
them to get tested together with the pmdomain changes that are targeted
for the next release.
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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Should probe fail for HW_VOTER type power domains, this driver was
unconditionally trying to perform cleanup for DIRECT_CTL domains,
but only after checking if the target domain is powered on... with
the DIRECT_CTL scpsys_domain_is_on() code again.
And there's more: the scpsys_domain_is_on() function is also being
unconditionally used in the probe path, for any power domain that
has flag MTK_SCPD_KEEP_DEFAULT_OFF!
This bug was never experienced by anyone because the HWV domains
never failed probe, and because none of those is declared with the
aforementioned flag - but it's still something critical.
In order to fix this, add a check for MTCMOS Type and, based on
that, call the correct functions for an "is on" check, and also
do the same for the cleanup path, calling the correct functions
for the "power off" action.
For the latter, since there's a call to pm_genpd_remove() right
before calling power_off, be cautious and add a variation of the
power off functions (with a _internal suffix) for those to get a
pointer to scpsys_domain instead of one to generic_pm_domain as,
even if that's still working, this is way too much fragile and
would break at some point.
Fixes: 88914db077b6 ("pmdomain: mediatek: Add support for Hardware Voter power domains")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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Add support for the HFRPSYS direct control power domains in the
MT8196 SoC, controlling power for the DisplayPort and for the
Embedded DisplayPort Transmitter IPs.
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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* for-next/scmi/fixes:
firmware: arm_scmi: Rate-limit queue-full warnings in IRQ context
firmware: arm_scmi: Use 64-bit division for clock rate rounding
firmware: arm_scmi: Grammar s/may needed/may be needed/
* for-next/ffa/fixes:
firmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get()
firmware: arm_ffa: Respect firmware advertised RX/TX buffer size limits
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>
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Retention is very rarely an operational corner. In the majority of
cases, HW cannot operate properly at Retention levels and so the minimum
operational level when enabling a rail is the first corner above
Retention. A small subset of always-on use cases can operate at
Retention, but those aren't controlled from HLOS.
Currently, we allow Retention by default and only disallow it special
cases. But this leaves us open to various failures when the PD is
enabled without first being voted to an OPP above Retention. Such as
when a child GDSC PD requests to enable its parent RPMh PD. In this
case, the GDSC would get stuck powering on.
Newer chips have started supporting Retention on rails that didn't
previously (such as for MMCX). Instead of adding more special cases to
skip Retention on MMCX, start skipping Retention by default since it's
almost never desired from an HLOS perspective.
Signed-off-by: Mike Tipton <mike.tipton@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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bcm2835_power_probe() initializes all power domains and then registers
the onecell genpd provider, but ignores of_genpd_add_provider_onecell()
failures. Probe can therefore return success even though no provider was
published.
Check the provider registration return value and jump to the existing
cleanup path on failure.
Fixes: 670c672608a1 ("soc: bcm: bcm2835-pm: Add support for power domains under a new binding.")
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Reviewed-by: Stefan Wahren <wahrenst@gmx.net>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Fix grammar in the help text for the ARM_SCMI_POWER_DOMAIN symbol.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Sudeep Holla <sudeep.holla@kernel.org>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
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17aa:38a7
Some units of the Lenovo Legion Pro 7 16ARX8H (82WS) report codec
subsystem ID 17aa:38a7 instead of 17aa:38a8. Since only 38a8 has a
codec SSID quirk, these machines fall through to the PCI SSID match
17aa:386f (Legion Pro 7i 16IAX7) and get ALC287_FIXUP_CS35L41_I2C_2,
which probes the Cirrus amplifiers of the Intel variant. The TI
TAS2781 amplifier (ACPI TIAS2781:00) present on this AMD variant is
never bound and the internal speakers remain silent.
Add a codec SSID quirk for 17aa:38a7 pointing to
ALC287_FIXUP_TAS2781_I2C, mirroring the existing 38a8 entry.
Tested on a Legion Pro 7 16ARX8H (82WS, BIOS LPCN62WW): with the codec
SSID overridden to 17aa:38a8 via the HDA patch loader, the TAS2781
amplifier binds and the internal speakers work.
Cc: <stable@vger.kernel.org>
Signed-off-by: Damien Laine <damien.laine@gmail.com>
Link: https://patch.msgid.link/20260712213708.1835469-1-damien.laine@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The internal speakers on the MECHREVO WUJIE Series are silent,
while the headphone output works correctly.
The BIOS reports NID 0x1b on the Realtek ALC233 codec as
unconnected with pin configuration 0x411111f0. However, the pin
is connected to an internal speaker.
Overriding NID 0x1b with 0x90170150 makes the HDA generic parser
detect both 0x14 and 0x1b as speaker outputs and restores internal
speaker playback.
Add a pin configuration fixup for the affected PCI SSID c011:1d05.
Tested on a MECHREVO WUJIE Series laptop with board
WUJIE Series-Lark4-LNL and firmware EM_LNL326_V1.0.23.
Signed-off-by: Chen Bowen <hicbowen@gmail.com>
Link: https://patch.msgid.link/20260710133409.16641-1-hicbowen@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Fail cs35l56_hda_fw_load() and log an error if it didn't find a wmfw file
and the BIOS didn't patch the firmware already. Also remove a section of
code from cs35l56_hda_request_firmware_files() that attempted to find a
.bin if a .wmfw was not found.
The CS35L56 ROM can only provide default audio in SoundWire mode. A wmfw
is needed to enable I2S audio. Also none of the customer-specific .bin
files are compatible with the ROM firmware. So a .wmfw file is always
required.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20260709161211.686498-1-rf@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Salvador reported that the recent fix for applying the DSD quirk to
Musical Fidelity devices broke for his M6s DAC model (2772:0502).
Although this is basically a firmware bug, the model in question is
fairly old, and no further firmware update can be expected, so it'd be
better to address in the driver side.
As an ad hoc workaround, skip the DSD quirk for this device by adding
an empty quirk entry of 2772:0502; this essentially skips the later
DSD quirk entry by the match with the vendor 2772.
Fixes: da3a7efff64e ("ALSA: usb-audio: Update for native DSD support quirks")
Reported-by: Salvador Blaya <tiniebla6@gmail.com>
Closes: https://lore.kernel.org/CAOdyq+qFaqCh=tK_wNnA64hv5pQuA1Y09ANxQ=xK8yR-t4mf9Q@mail.gmail.com
Tested-by: Salvador Blaya <tiniebla6@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20260709095614.1418838-1-tiwai@suse.de
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create_adapter_obj() retrieves adapter information by calling
hpi6000_message_response_sequence(). This function reports transport-level
errors through its return value and DSP-reported errors via hr0.error.
The current code only checks hr0.error, causing transport-level errors to
be ignored. As a result, adapter initialization may continue with an
invalid response.
Check the return value of hpi6000_message_response_sequence() before
examining hr0.error.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 719f82d3987a ("ALSA: Add support of AudioScience ASI boards")
Signed-off-by: Evgenii Burenchev <evg28bur@yandex.ru>
Link: https://patch.msgid.link/20260708141147.18253-1-evg28bur@yandex.ru
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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BeagleBoard.org BeagleBadge is a compact, affordable open source
hardware single board computer based on the Texas Instruments AM62L3
SoC designed for IoT and embedded applications with low power
consumption. Expansion is provided over open standards based headers
including QWIIC and GPIO interfaces.
https://www.beagleboard.org/boards/beaglebadge
Co-developed-by: Andrew Davis <afd@ti.com>
Signed-off-by: Andrew Davis <afd@ti.com>
Signed-off-by: Judith Mendez <jm@ti.com>
Link: https://patch.msgid.link/20260603192305.1347908-3-jm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
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This board is based on ti,am62l3.
https://www.beagleboard.org/boards/beaglebadge
Signed-off-by: Judith Mendez <jm@ti.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20260603192305.1347908-2-jm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
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Align file_operations initializers with tabs to match the standard
kernel coding style and improve readability.
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://patch.msgid.link/20260708140624.562403-1-phucduc.bui@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The Kinetic Technologies KTS1622 is a 16-bit general-purpose I/O
expander via the I2C bus for microcontrollers when additional I/Os
are needed while keeping interconnections to the minimum. Datasheet
comparison suggests that it is compatible with TCAL6416, add the
compatible string and TCAL6416 as a fallback compatible.
Signed-off-by: Marek Vasut <marex@nabladev.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260711210131.236025-3-marex@nabladev.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
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The driver has an OF match table wired to .of_match_table, but does
not export the table with MODULE_DEVICE_TABLE().
Add the missing MODULE_DEVICE_TABLE(of, ...) entry so module alias
information is generated for OF based module autoloading.
This is a source-level fix. It does not claim dynamic hardware
reproduction; the evidence is the driver-owned match table, its use by
the platform driver, and the missing module alias publication.
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260704122123.73004-1-pengpeng@iscas.ac.cn
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
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The Commubox FXA291 by Endress+Hauser AG is a USB serial converter
based on FT232B which is used to communicate with field devices.
It enumerates using the FTDI vendor ID and a custom PID.
usb 1-9: New USB device found, idVendor=0403, idProduct=e510, bcdDevice= 4.00
usb 1-9: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-9: Product: FXA291
usb 1-9: Manufacturer: Endress+Hauser
usb 1-9: SerialNumber: 00000000
ftdi_sio 1-9:1.0: FTDI USB Serial Device converter detected
usb 1-9: Detected FT232B
usb 1-9: FTDI USB Serial Device converter now attached to ttyUSB0
Signed-off-by: Tim Pambor <timpambor@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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spufs_mem_mmap_access() computes the local store offset as
address - vma->vm_start, but bounds-checks it against vma->vm_end
instead of the local store size. On 64-bit, offset is always well
below vma->vm_end, so the clamp never fires and len stays unbounded
against the LS_SIZE buffer returned by ctx->ops->get_ls().
Reject offsets at or beyond LS_SIZE and clamp len to the remaining
space, mirroring the guard already used by spufs_mem_mmap_fault() and
spufs_ps_fault().
Fixes: a352894d0705 ("spufs: use new vm_ops->access to allow local state access from gdb")
Reported-by: Yuhao Jiang <danisjiang@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Junrui Luo <moonafterrain@outlook.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/SYBPR01MB7881EE775E8B51C09F5A29E7AF152@SYBPR01MB7881.ausprd01.prod.outlook.com
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Killing the interrupt-in urb when the line disciple requests throttling
may lead to data loss if an ongoing transfer is cancelled.
Instead set a flag to prevent the completion handler from resubmitting
the urb until the port is unthrottled.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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Forward from rc1 to rc3 to track upstream closer again.
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
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The driver data usb-serial pointer is unused since commit 66c32e483355
("USB: serial: keyspan_pda: drop redundant usb-serial pointer"), which
apparently failed to remove the pointer as intended.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Three functions are initialising their return value variables at
declaration only to later assign them unconditionally.
Signed-off-by: Johan Hovold <johan@kernel.org>
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If the completion handler races with unthrottle() both functions may try
to resubmit the same interrupt-in urb, but at most one will succeed.
Fix the unthrottle logic using a throttle-requested flag so that only
one attempt to resubmit the urb is made to avoid logging an error.
Fixes: 43d186fe992d ("USB: serial: add metro-usb driver to the tree")
Signed-off-by: Johan Hovold <johan@kernel.org>
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The unthrottle callback is allowed to sleep so pass the correct GFP flag
to usb_submit_urb() to avoid unnecessary atomic allocations.
Signed-off-by: Johan Hovold <johan@kernel.org>
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The OOB port is not registered with driver core and does not have a
name.
Use the USB interface with dev_printk() that may involve the OOB port to
avoid log entries with no driver and a "null" device name.
Fixes: f9dfbebb8b39 ("USB: serial: digi_acceleport.c: remove dbg() usage")
Fixes: 194343d9364e ("USB: remove use of err() in drivers/usb/serial")
Signed-off-by: Johan Hovold <johan@kernel.org>
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The latest EDK version was 14.7 released in 2013 that's why remove
description for it. Also remove generic description for Ethernet which
doesn't bring any value.
Reviewed-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
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"cache_strategy=" is meaningless and confusing on unencoded EROFS
filesystems; gate it on compressed images only since it's now possible
after commit 7cef3c834194 ("erofs: separate plain and compressed
filesystems formally").
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
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The mlx4 CM paravirtualization layer rewrites a VF's local
communication ID to a PF-visible ID when CM MADs are sent from the VF.
For messages that start or advance a connection from the VF side, such
as REQ, REP, MRA and SIDR_REQ, mlx4_ib_multiplex_cm_handler() allocates
an id_map_entry when no existing mapping is found.
A REJ is different because it is a terminal response to an already known
exchange. It should either find an existing id_map_entry, rewrite the
local communication ID, and schedule that entry for deletion, or it
should pass through unchanged when no mapping exists.
Some REJ messages, such as rejects for an inbound REQ before an MRA or
REP was sent, do not have an id_map_entry because their local_comm_id is
zero. Timeout REJ messages are handled in the initial lookup branch, but
a lookup miss there must not fall through to id_map_alloc(); such a miss
means there is no existing mapping to translate or delete for the REJ.
Commit 227a0e142e37 ("IB/mlx4: Add support for REJ due to timeout")
added the timeout REJ case to the initial branch so an outgoing timeout
REJ could reuse the id_map_entry that was created when the VF's REQ was
multiplexed. Reusing that entry is the useful part: it rewrites the
timeout REJ local_comm_id to the same PF-visible ID that was sent in the
REQ. If the lookup misses, allocating a new id_map_entry does not help
because the peer has never seen that new PF-visible ID, and REJ is not
starting a new exchange.
Keep timeout REJ handling in the initial lookup branch, but return before
allocation if no mapping is found. Handle the other REJ cases with the
same lookup-only behavior. When a mapping is found, translate the local
communication ID and schedule delayed deletion, as is already done for
DREQ and for received REJ in the demux path. When no mapping is found,
keep the existing pass-through behavior.
Signed-off-by: Praveen Kumar Kannoju <praveen.kannoju@oracle.com>
Link: https://patch.msgid.link/20260615171759.557425-1-praveen.kannoju@oracle.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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diagnose_failure_lnl() read VPU_HW_BTRS_MTL_INTERRUPT_STAT instead of
VPU_HW_BTRS_LNL_INTERRUPT_STAT, which on LNL and newer parts is a
different register with a different bit layout, so failure diagnostics
decoded the wrong register and reported a bogus error cause.
Read the LNL interrupt status register instead.
Fixes: 8a27ad81f7d3 ("accel/ivpu: Split IP and buttress code")
Reviewed-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Link: https://patch.msgid.link/20260710101331.1899505-1-karol.wachowski@linux.intel.com
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