Merge tag 'net-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
"One of the 'small improvements all over the place' releases f

Merge tag 'net-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
"One of the 'small improvements all over the place' releases for us.

It's hard to draw any direct comparisons because summer vacations
disrupted our patch processing (and presumably - generation) quite a
bit.

Quick and dirty count suggests we (Paolo and I) merged a very similar
number of net (632) and net-next (648) patches. This is not telling
the full story either because 1/3 to 1/2 of the net-next patches also
*seem* like AI-driven low priority fixes, cleanups and clarifications.

We are completely overwhelmed, of course. The glimmer of hope is that
we secured sufficient LLM budget and access (thank you Meta!) to run
reviews with multiple frontier models on each patch. This eliminates
some hallucinations. That said, in terms of review, the LLMs can only
do so much.

The sad truth is that our APIs (especially for rare events like PCIe
errors, timeouts etc) have always been racy, and now LLMs don't let us
ignore that. I expect our direction for the next release will be to
tweak the reviews a little bit more, but start shifting focus to
letting the LLMs take care of the busy work - managing patchwork,
automating common process complaints, editing commit messages, and
maybe applying patches which already got "reviewed-by" tags from
people we trust...

Core & protocols:

- A few steps lowering rtnl_lock dependence:
- per-netns netdev unregistration for select SW drivers (e.g.
veth, ipvlan, tunnels)
- rtnl_lock-less FIB rule changes (RTM_NEWRULE and RTM_DELRULE)
- prepare software drivers and TC qdiscs for rtnl_lock-less GET

- Support BIG TCP (>64kB TSO) in UDP tunnels (vxlan, geneve)

- Support buffers larger than PAGE_SIZE in devmem zero-copy API

- Improve MPTCP handling of extreme memory pressure handling, when
out-of-order queue had to be pruned

- Report the per-group user count via RTM_GETMULTICAST

- Expose the route deletion reason in RTM_DELROUTE

- Add a SO_RIGHTS_NOTRUNC option to UNIX sockets to enable more
useful handling of LSM denials when receiving SCM_RIGHTS messages:
instead of truncating the message at the first blocked fd, keep
every fd slot and store the LSM errno in the blocked slot

- IPv6 Segment Routing - support looking up the post-encap SID
(address) in a different/specified routing table

- Support PRP RedBox (interlink) creation

- Support per-nexthop UDP dst port in VXLAN

- Continue converting getsockopt callbacks in a number of protocols
to iov_iter

Ethernet:

- Merge initial CXL support for AMD/Solarflare NICs (shared branch
with the CXL tree)

- New drivers:
- ADIN1140 10BASE-T1S MACPHY
- Initial skeleton of Intel iXD and ZTE Dinghai drivers

- High-speed NICs:
- AMD/Pensando:
- support firmware flashing
- Cisco (enic):
- SR-IOV V2 admin channel and MBOX protocol
- Huawei (hns3):
- support for ethtool pfc_prevention_tout
- nVidia/Mellanox:
- support sharing bandwidth control across interfaces
of the same device
- Marvell (octeontx2-pf):
- link RQ page pools to netdev for Netlink stats
- Google vNIC:
- XDP metadata support for DQ RDA
- Microsoft vNIC:
- support forcing full-page RX buffers

- Other NICs:
- Synopsys IP:
- eic7700: support for eth1
- Microchip (lan743x):
- support for RMII interface
- Wangxun:
- support for ethtool -G and -C for VFs
- add Tx timeout and PCIe error handling
- Intel (igb/igc):
- RSS key get/set support
- support for forcing link speed without auto-negotiation

- Switches:
- NXP (dpaa2):
- support bonding/LAG offload
- Mediatek:
- mt7530: EN7528 support
- initial support for MT7628
- Micrel (ksz8/9):
- refactoring work to move towards library model
- PTP support for KSZ8463
- nVidia/Mellanox:
- support rtnl-lock-less ethtool callbacks
- Realtek:
- rtl8366rb: use generic RTL83xx code
- support SGMII and HSGMII for RTL8367S

- PHYs:
- Airoha:
- EcoNet EN7528 PHY support
- DAPU Telecom
- DAPU Telecom DAP8211R(I) Gigabit PHY support
- Realtek:
- support RTL8261C_CG
- support RTL8261D

Wireless:

- nl80211: per-link statistics support for multi-link operation

- mac80211: AQL/airtime-fairness support for multicast

- Merge Peripheral Authentication Service (PAS) / TEE support for
ath12k (shared branch with the firmware/qcom tree)

- New drivers:
- mm81x for Morse Micro Long-Range S1G devices
- nxpwifi for NXP devices (mostly forked off from mwifiex)

- Driver changes:
- Broadcom (brcmfmac):
- DPP support, some Cypress part update
- MediaTek (mt76):
- mt7928 support
- mt7925 NAN support
- mt7996 AP powersave improvements
- Qualcomm (ath12k):
- much kernel infrastructure integration work
- AHB platform MultiPD support
- Realtek (rt89):
- LED support
- RTL8922DE support
- dual-BT coex for RTL8922D
- Intel:
- new FW version support

Bluetooth:

- HCI: add support for Shorter Connection Interval (SCI) feature

- af_bluetooth: add minimal context analysis annotations

- Driver changes:
- Intel:
- add Bluetooth SAR revision 2 support
- add vendor_reset PCI sysfs for PLDR
- Mediatek:
- add USB IDs for MT7902 and MT7922 devices
- Realtek:
- add USB IDs for 8761CU and 8852BE devices
- NXP:
- add M.2 Bluetooth device support using pwrseq

Misc:

- DPLL support for manual/numerical oscillator control (NCO)
(implement in zl3073x)

- MCTP support for MCTP over USB v1.1 (DMTF DSP0283)

- Power-over-Ethernet: support Realtek PSE controllers

- Remove the IBM EHEA driver

- Remove tulip/xircom_cb driver"

* tag 'net-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1433 commits)
net/mlx5e: do not HW-GRO coalesce small frames
net: openvswitch: fix nf_connlabels leak in ovs_ct_init
net: add missing ref_tracker_dir_exit() to alloc_netdev_mqs()
net: openvswitch: fix flow mask use-after-free on flow deletion
sctp: stop processing a packet once its association is deleted
dpll: zl3073x: add PTP clock support
dpll: zl3073x: add channel ToD, phase step and TIE operations
dpll: zl3073x: scale poll interval proportionally to timeout
ptp: vmclock: prevent read-only mappings from becoming writable
ipv4: reject undersized MTUs in ip_do_fragment()
bonding: initialize err for empty target lists
net: dsa: initial support for MT7628 embedded switch
net: dsa: initial MT7628 tagging driver
net: phy: mediatek: add phy driver for MT7628 built-in Fast Ethernet PHYs
dt-bindings: net: dsa: add MT7628 ESW
net: pse-pd: realtek-pse-mcu: add UART transport
net: pse-pd: realtek-pse-mcu: add I2C transport
net: pse-pd: add Realtek PSE MCU core
dt-bindings: net: pse-pd: add bindings for Realtek PSE MCU
vsock: use sock_error() to consume sk_err after a failed connect
...

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sched_ext: Merge branch 'for-7.3-arena-args' into for-7.3

Pull to receive the __arena argument conversion:

67f1f4a48c24 ("sched_ext: Pass kernel arena pointers to ops_cid callbacks")
a8dc810968af

sched_ext: Merge branch 'for-7.3-arena-args' into for-7.3

Pull to receive the __arena argument conversion:

67f1f4a48c24 ("sched_ext: Pass kernel arena pointers to ops_cid callbacks")
a8dc810968af ("sched_ext: Convert sub-cap kfuncs to __arena cmask arguments")
a05c5b5cb5cf ("sched_ext: Convert scx_bpf_cid_override() to __arena array arguments")

along with the bpf-next branch carrying the __arena argument support they
depend on.

Conflict in kernel/sched/ext/ext.c between:

c384ab8a0b13 ("sched_ext: Move the config-off sub-cap kfunc stubs into sub.c")

and:

a8dc810968af ("sched_ext: Convert sub-cap kfuncs to __arena cmask arguments")

which updated the stubs in their old ext.c location. Resolved by keeping
ext.c without the stubs and applying the prototype conversion to the
relocated stubs in sub.c.

Signed-off-by: Tejun Heo <tj@kernel.org>

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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next into for-7.3-arena-args

Pull bpf-next d114bb989367 ("Merge branch
'add-arena-argument-support-to-kfuncs-and-struct

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next into for-7.3-arena-args

Pull bpf-next d114bb989367 ("Merge branch
'add-arena-argument-support-to-kfuncs-and-struct_ops'") to make the __arena
and __arena__nullable kfunc and struct_ops argument suffixes available. The
suffixed arguments will be used to convert sched_ext kfuncs and struct_ops
callbacks that currently pass arena pointers as scalars and rebase them by
hand.

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Merge tag 'wireless-2026-07-26' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Johannes Berg says:

====================
wireless-next-2026-07-26

Mostly driver changes th

Merge tag 'wireless-2026-07-26' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Johannes Berg says:

====================
wireless-next-2026-07-26

Mostly driver changes this time:
- new driver mm81x for an S1G device
- new driver nxpwifi for NXP devices
(mostly forked off from mwifiex)
- ath12k: much kernel infrastructure integration work
- brcmfmac: DPP support, some Cypress part update
- nl80211: per-link statistics support
====================

Link: https://patch.msgid.link/20260726105205.942922-60-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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wifi: mac80211: parse enhanced critical updates field

For association and link reconfiguration response, parse
and store the enhanced BSS parameter change counter out
of the enhanced critical update

wifi: mac80211: parse enhanced critical updates field

For association and link reconfiguration response, parse
and store the enhanced BSS parameter change counter out
of the enhanced critical updates field in the multi-link
common info or per-STA profile. These are required for
UHR connections.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260714134154.adb9fc29252d.I625580fbadbbf4a1440d88d3675586477f1a3263@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

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Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Cross-merge networking fixes after downstream PR (net-7.2-rc4).

No conflicts.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>

Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 7.2-rc4

Cross-merge BPF and other fixes after downstream PR.

Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>

Merge tag 'v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into gpio/for-next

Linux 7.2

Merge tag 'timers-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/daniel.lezcano/linux into timers/clocksource

- Use designated initializers for sh_mtu2, sh_cmt, and sh_tmu, and
dro

Merge tag 'timers-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/daniel.lezcano/linux into timers/clocksource

- Use designated initializers for sh_mtu2, sh_cmt, and sh_tmu, and
drop the unused initializer in the platform_device_id table for
sh_mtu2 (Uwe Kleine-König)

- Remove redundant dev_err()/dev_err_probe() messages when
devm_request_*_irq() fails, as the helper already logs an error
message (Pan Chuang)

- Fix a boot hang on Allwinner D1 when a forced minimum delta is used
with the sun4i timer (Felix Yan)

- Fix an IRQ leak in the cpuhp_setup_state() error path by freeing the
IRQ on failure in the NXP PIT driver (WenTao Liang)

- Fix incorrect unmapping of shared MMIO between the clocksource and
clockevent drivers. If one of them fails to initialize, the error
path unmaps the shared MMIO region, leaving the other driver with an
invalid mapping on clps711x (Guangshuo Li)

- Make the samsung_pwm driver compatible with PREEMPT_RT by replacing
regular spinlocks with raw_spinlock_t in atomic contexts (Marek
Szyprowski)

- Use __raw_readl() and __raw_writel() instead of ioread32() and
iowrite32() to support SWAP_IO_SPACE in the rtl-otto driver (Rustam
Adilov)

- Fix a missing clk_disable_unprepare() call in the timer
initialization error path of the Armada driver (Yuho Choi)

Link: https://lore.kernel.org/lkml/75feea31-683d-45a1-87f4-ab045e0152ae@oss.qualcomm.com

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Merge branch 'next' into for-linus

Prepare input updates for 7.3 merge window.

Merge tag 'v7.2-rc7' into driver-core-next

We need the driver-core fixes in here as well to build on top of.

Signed-off-by: Danilo Krummrich <dakr@kernel.org>

Merge tag 'tegra-for-7.3-arm64-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/dt

arm64: tegra: Device tree changes for v7.3-rc1

This contains a new device tree for the Le

Merge tag 'tegra-for-7.3-arm64-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/dt

arm64: tegra: Device tree changes for v7.3-rc1

This contains a new device tree for the Lenove ThinkEdge SE70 Edge
Client device as well as a number of fixes and cleanups for Tegra234 and
Tegra194. Tegra264 sees a number of additions to enable more features.

* tag 'tegra-for-7.3-arm64-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: (1469 commits)
arm64: tegra: Correct Tegra234 p3740 interrupt flags
arm64: tegra: Correct Tegra234 p3737 interrupt flags
arm64: tegra: Correct Tegra194 p2972 interrupt flags
arm64: tegra: Drop CPU masks from GICv3 PPI interrupts
arm64: tegra: Add Lenovo ThinkEdge SE70 device tree
arm64: tegra: Add pinctrl nodes for Tegra264
arm64: tegra: Fix CMDQV interrupt type on Tegra264
arm64: tegra: Properly sort devices on Tegra264
arm64: tegra: Add GTE nodes for Tegra264
arm64: tegra: Add Host1x and VIC on Tegra264
arm64: tegra: Populate CPU and L2 cache nodes on Tegra264
arm64: tegra: Enable GPCDMA in Tegra264 and add iommu-map
Linux 7.2-rc5
super: fix emergency thaw deadlock on frozen block devices
tracing: perf: Fix stale head for perf syscall tracing
ftrace: Add global mutex to serialize trace_parser access
tracing: Delay module ref count for "enable_event" trigger
tracing: Fix use-after-free freeing trigger private data
bpf, sockmap: Fix cork use-after-free in tcp_bpf_sendmsg()
tracing: Fix context switch counter truncation
...

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

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regulator: handle regulator late cleanup race with PM suspend

Joy Zou <joy.zou@oss.nxp.com> says:

The regulator_init_complete_work fires ~30s after boot to disable
unused regulators via I2C. When t

regulator: handle regulator late cleanup race with PM suspend

Joy Zou <joy.zou@oss.nxp.com> says:

The regulator_init_complete_work fires ~30s after boot to disable
unused regulators via I2C. When this work races with PM suspend, the
I2C adapter may already be suspended, causing a -ESHUTDOWN warning
dump.

This series addresses the race and adds proper suspend power
management for unused LDO regulators.

Link: https://patch.msgid.link/20260731-b4-regulator-pf01-v2-0-a406c8737fdb@oss.nxp.com

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Merge tag 'asoc-aw88339-lib' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Add AW88399 HDA side codec driver for Lenovo Legion

In order to support AW88399 HDA

Merge tag 'asoc-aw88339-lib' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Add AW88399 HDA side codec driver for Lenovo Legion

In order to support AW88399 HDA side codec used on the Lenovo Legion we
need updates to it's ASoC driver.

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ALSA: hda: Add AW88399 HDA side codec driver for Lenovo Legion

Marco Giunta <marco_giunta@outlook.it> says:

Several Lenovo Legion laptops (Pro 7i 16IAX10H, Y9000P IAX10,
Pro 7 16AFR10H, R9000P ADR1

ALSA: hda: Add AW88399 HDA side codec driver for Lenovo Legion

Marco Giunta <marco_giunta@outlook.it> says:

Several Lenovo Legion laptops (Pro 7i 16IAX10H, Y9000P IAX10,
Pro 7 16AFR10H, R9000P ADR10) use AWINIC AW88399 smart amplifiers
to drive their bass woofers, connected via I2C as side codecs
to a Realtek ALC287 HDA codec.

Without a driver for these amplifiers, only the tweeters produce
sound, resulting in quiet and tinny audio.

An ASoC driver for the AW88399 already exists in-tree
(sound/soc/codecs/aw88399.c), contributed by AWINIC, but it targets
ASoC topologies and cannot drive the chip when it sits behind an
HDA controller. This series adds a proper HDA side codec driver,
following the established pattern used by the CS35L41, CS35L56,
and TAS2781 drivers.

Patch 1 extracts the device-level functions from the existing ASoC
driver into a shared library module (SND_SOC_AW88399_LIB) with a
shared header at include/sound/aw88399.h, following the CS35L41
precedent (SND_SOC_CS35L41_LIB / include/sound/cs35l41.h). This
avoids a build-time dependency on the full ASoC codec module and
ensures clean separation between the ASoC and HDA drivers.

Patches 2 through 5 prepare the shared library for use on ACPI-based
HDA systems: patch 2 extends channel assignment to work without
Device Tree properties, patch 3 adds a per-instance flag to bypass
an unreliable hardware status bit on certain boards, patch 4 adds
a firmware reload flag so that the HDA driver can signal that DSP
firmware needs to be re-uploaded after system sleep, and patch 5
adds a channel setter so that the HDA driver can configure the
amplifier without depending on ASoC-internal device headers.

NOTE ON FIRMWARE: This driver requires the firmware file
aw88399_acf.bin, which uses the same format and request path as the
existing ASoC driver. This firmware is not yet available in the
linux-firmware repository. We intend to coordinate with the AWINIC
maintainers (CC'd) to arrange its inclusion. In the meantime, users
can extract the firmware from the Windows driver and place it in
/lib/firmware/.

This work builds on the initial driver development by Yakov Till
("Lyapsus") and the bounty effort organized by Nadim Kobeissi:
https://github.com/nadimkobeissi/16iax10h-linux-sound-saga

Link: https://patch.msgid.link/DS7PR19MB77247D9AD698CF0FF37DB58BFCC62@DS7PR19MB7724.namprd19.prod.outlook.com

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regcache: Warn if regcache_sync() is called in cache_only mode

phucduc.bui@gmail.com <phucduc.bui@gmail.com> did a bit of work to help
people avoid running into silly errors.

Link: https://patch.ms

regcache: Warn if regcache_sync() is called in cache_only mode

phucduc.bui@gmail.com <phucduc.bui@gmail.com> did a bit of work to help
people avoid running into silly errors.

Link: https://patch.msgid.link/20260720033238.52479-1-phucduc.bui@gmail.com

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spi: atmel-quadspi: add support for LAN969x

Robert Marko <robert.marko@sartura.hr> says:

This series adds QSPI support for the Microchip LAN969x which has two QSPI
controllers based on SAMA7G5.

It

spi: atmel-quadspi: add support for LAN969x

Robert Marko <robert.marko@sartura.hr> says:

This series adds QSPI support for the Microchip LAN969x which has two QSPI
controllers based on SAMA7G5.

It requires pad calibration, supports DMA, and supports 100 MHz operation.

It requires a different init sequence to SAMA7G5 so support for custom
.init per controller caps is added, and existing controllers relying on
checking gclk are converted to it.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>

Link: https://patch.msgid.link/20260709112006.390742-1-robert.marko@sartura.hr

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Merge tag 'v7.2-rc3' into next

Sync up with mainline to pull in stable fixes to avoid merge conflicts.

Merge branch 'sched/urgent'

Pull in dependents, the flat hierarchy fix depends on this.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>

Merge branch 'perf/urgent' into perf/core, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

Merge tag 'amd-pstate-v7.3-2026-07-22' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux

Merge amd-pstate content for 7.3 (07/22/26) from Mario Limonciello:

"* Avoid running unit

Merge tag 'amd-pstate-v7.3-2026-07-22' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux

Merge amd-pstate content for 7.3 (07/22/26) from Mario Limonciello:

"* Avoid running unit tests without amd-pstate
* Fixes for EPP on shared memory systems
* Fixes for dynamic EPP callbacks
* Avoid loading on guests
* Allow lowest nonlinear == minimum freq"

* tag 'amd-pstate-v7.3-2026-07-22' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/superm1/linux: (923 commits)
cpufreq/amd-pstate: handle missing policy in dynamic EPP callbacks
cpufreq/amd-pstate: Cache the firmware programmed EPP value
cpufreq/amd-pstate: Toggle auto_sel in active mode on shared memory systems
cpufreq/amd-pstate: Fix EPP return type and handle errors during initialization
cpufreq: amd-pstate-ut: Skip tests when amd-pstate driver is not active
cpufreq/amd-pstate: Prevent the driver from loading on unsupported hardware
cpufreq/amd-pstate: Loosen requirement on lowest nonlinear frequency != min freq
Linux 7.2-rc4
Revert "drm/amd/display: Restore 5s vbl offdelay for NV3x+ DGPUs"
drm/amd/display: check GRPH_FLIP status before sending event
drm/amd/display: consolidate DCN vblank/flip handling onto vupdate_no_lock
drm/amd: Create a device link between APU display and XHCI devices
drm/amd/display: wire DCN42B mcache programming callback
drm/amd/display: set new_stream to NULL after release
drm/amd/display: Force PWM backlight on Lenovo Legion 5 15ARH05
drm/amdkfd: free MQD managers on DQM init failures
drm/amdgpu/ttm: Consider concurrent VM flushes for buffer entities
drm/amd/pm/smu7: Fix AC/DC switch notification
drm/amdgpu: Disable PCIe dynamic speed switching on Ryzen Pinnacle Ridge
drm/amdgpu: always emit the job vm fence
...

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Merge tag 'v7.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into gpio/for-current

Linux 7.2-rc7

Merge tag 'asoc-fix-v7.2-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v7.2

This is a relatively large set of updates, the biggest batch of th

Merge tag 'asoc-fix-v7.2-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v7.2

This is a relatively large set of updates, the biggest batch of things
is Charles' fixes for the SDCA code which have been through a number of
iterations on the list and deal with a bunch of issues that have been
seen as we get more real world usage of SDCA. We also have the usual
device specific fix and quirk traffic that we tend to see, there's a
small pile of fixes for the tas2562 driver since I saw some bugs while
reviewing fixes sent by Haidar Lee but it's nothing too remarkable.

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Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes

Backmerge v6.2-rc5 to pick up merged fixes.

ASoC: tas2562: fix Digital Volume Control

Haidar Lee <haidar.lee@adlinktech.com> says:

The 'Digital Volume Control' added in v5.7 has never worked correctly:
the driver writes the 32-bit DVC coeffi

ASoC: tas2562: fix Digital Volume Control

Haidar Lee <haidar.lee@adlinktech.com> says:

The 'Digital Volume Control' added in v5.7 has never worked correctly:
the driver writes the 32-bit DVC coefficient LSB first, but the device
latches the whole coefficient on the write to the last byte (DVC_CFG4),
so every volume change applies a mix of the previous coefficient's
upper bytes and the new LSB. Depending on the sequence of values this
mutes the output entirely or plays at full volume regardless of the
requested level.

Debugged on a TAS2562 (ADLINK OSM-520 / MT8189): traced the I2C writes
with ftrace to confirm the driver writes the intended bytes, then
reproduced both behaviours by writing the same coefficients manually in
each byte order. Patch 1 fixes the write order; patch 2 fixes two wrong
entries in the volume lookup table found while debugging this.

Link: https://patch.msgid.link/20260715-tas2562-dvc-fix-v1-0-072b13901b20@adlinktech.com

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