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Michael Chan says:
====================
bnxt_en: Misc. fixes
4 miscellaneous driver fixes covering PM resume, SKB recycling,
wrong return value check, and PTP HWTSTAMP_FILTER_ALL.
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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When the chip is configured to timestamp all receive packets, the
timestamp in the RX completion is only valid if the metadata
present flag is not set for packets received on the wire. In
addition, internal loopback packets will never have a valid timestamp
and the timestamp field will always be zero. We must exclude
any 0 value in the timestamp field because there is no way to
determine if it is a loopback packet or not.
Add a new function bnxt_rx_ts_valid() to check for all timestamp
valid conditions.
Fixes: 66ed81dcedc6 ("bnxt_en: Enable packet timestamping for all RX packets")
Reviewed-by: Andy Gospodarek <[email protected]>
Reviewed-by: Pavan Chebbi <[email protected]>
Signed-off-by: Michael Chan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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The wait_event_interruptible_timeout() function returns 0
if the timeout elapsed, -ERESTARTSYS if it was interrupted
by a signal, and the remaining jiffies otherwise if the
condition evaluated to true before the timeout elapsed.
Driver should have checked for zero return value instead of
a positive value.
MChan: Print a warning for -ERESTARTSYS. The close operation
will proceed anyway when wait_event_interruptible_timeout()
returns for any reason. Since we do the close no matter what,
we should not return this error code to the caller. Change
bnxt_close_nic() to a void function and remove all error
handling from some of the callers.
Fixes: c0c050c58d84 ("bnxt_en: New Broadcom ethernet driver.")
Reviewed-by: Andy Gospodarek <[email protected]>
Reviewed-by: Vikas Gupta <[email protected]>
Reviewed-by: Somnath Kotur <[email protected]>
Signed-off-by: Kalesh AP <[email protected]>
Signed-off-by: Michael Chan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Receive SKBs can go through the VF-rep path or the normal path.
skb_mark_for_recycle() is only called for the normal path. Fix it
to do it for both paths to fix possible stalled page pool shutdown
errors.
Fixes: 86b05508f775 ("bnxt_en: Use the unified RX page pool buffers for XDP and non-XDP")
Reviewed-by: Somnath Kotur <[email protected]>
Reviewed-by: Andy Gospodarek <[email protected]>
Reviewed-by: Vikas Gupta <[email protected]>
Signed-off-by: Sreekanth Reddy <[email protected]>
Signed-off-by: Michael Chan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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We are issuing HWRM_FUNC_RESET cmd to reset the device including
all reserved resources, but not clearing the reservations
within the driver struct. As a result, when the driver re-initializes
as part of resume, it believes that there is no need to do any
resource reservation and goes ahead and tries to allocate rings
which will eventually fail beyond a certain number pre-reserved by
the firmware.
Fixes: 674f50a5b026 ("bnxt_en: Implement new method to reserve rings.")
Reviewed-by: Kalesh AP <[email protected]>
Reviewed-by: Ajit Khaparde <[email protected]>
Reviewed-by: Andy Gospodarek <[email protected]>
Signed-off-by: Somnath Kotur <[email protected]>
Signed-off-by: Michael Chan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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After commit 939463016b7a ("tcp: change data receiver flowlabel after one dup")
we noticed an increase of TCPACKSkippedPAWS events.
Neal Cardwell tracked the issue to tcp_disordered_ack() assumption
about remote peer TS clock.
RFC 1323 & 7323 are suggesting the following:
"timestamp clock frequency in the range 1 ms to 1 sec per tick
between 1ms and 1sec."
This has to be adjusted for 1 MHz clock frequency.
This hints at reorders of SACK packets on send side,
this might deserve a future patch.
(skb->ooo_okay is always set for pure ACK packets)
Fixes: 614e8316aa4c ("tcp: add support for usec resolution in TCP TS values")
Co-developed-by: Neal Cardwell <[email protected]>
Signed-off-by: Neal Cardwell <[email protected]>
Signed-off-by: Eric Dumazet <[email protected]>
Cc: David Morley <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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I changed responsibilities some time ago, its time
to remove myself as maintainer of the SMC component.
Signed-off-by: Karsten Graul <[email protected]>
Signed-off-by: Wenjia Zhang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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The new 6.7-rc1 kernel now checks the checksum on CDAT data. While
using a branch of Fan's DCD qemu work (and specifying DCD devices), the
following splat was observed.
WARNING: CPU: 1 PID: 1384 at drivers/base/devres.c:1064 devm_kfree+0x4f/0x60
...
RIP: 0010:devm_kfree+0x4f/0x60
...
? devm_kfree+0x4f/0x60
read_cdat_data+0x1a0/0x2a0 [cxl_core]
cxl_port_probe+0xdf/0x200 [cxl_port]
...
The issue in qemu is still unknown but the spat is a straight forward
bug in the CDAT checksum processing code. Use a CDAT buffer variable to
ensure the devm_free() works correctly on error.
Fixes: 670e4e88f3b1 ("cxl: Add checksum verification to CDAT from CXL")
Signed-off-by: Ira Weiny <[email protected]>
Reviewed-by: Dave Jiang <[email protected]>
Reviewed-by: Fan Ni <[email protected]>
Reviewed-by: Robert Richter <[email protected]>
Link: http://lore.kernel.org/r/[email protected]
Signed-off-by: Dan Williams <[email protected]>
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Stefan Wahren says:
====================
qca_spi: collection of major fixes
This series contains a collection of major fixes for the qca_spi driver,
which has been recently discovered.
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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In case of a reset triggered by the QCA7000 itself, the behavior of the
qca_spi driver was not quite correct:
- in case of a pending RX frame decoding the drop counter must be
incremented and decoding state machine reseted
- also the reset counter must always be incremented regardless of sync
state
Fixes: 291ab06ecf67 ("net: qualcomm: new Ethernet over SPI driver for QCA7000")
Signed-off-by: Stefan Wahren <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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After calling ethtool -g it was not possible to adjust the TX ring
size again:
# ethtool -g eth1
Ring parameters for eth1:
Pre-set maximums:
RX: 4
RX Mini: n/a
RX Jumbo: n/a
TX: 10
Current hardware settings:
RX: 4
RX Mini: n/a
RX Jumbo: n/a
TX: 10
# ethtool -G eth1 tx 8
netlink error: Invalid argument
The reason for this is that the readonly setting rx_pending get
initialized and after that the range check in qcaspi_set_ringparam()
fails regardless of the provided parameter. So fix this by accepting
the exposed RX defaults. Instead of adding another magic number
better use a new define here.
Fixes: 291ab06ecf67 ("net: qualcomm: new Ethernet over SPI driver for QCA7000")
Suggested-by: Paolo Abeni <[email protected]>
Signed-off-by: Stefan Wahren <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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The qca_spi driver stop and restart the SPI kernel thread
(via ndo_stop & ndo_open) in case of TX ring changes. This is
a big issue because it allows userspace to prevent restart of
the SPI kernel thread (via signals). A subsequent change of
TX ring wrongly assume a valid spi_thread pointer which result
in a crash.
So prevent this by stopping the network traffic handling and
temporary park the SPI thread.
Fixes: 291ab06ecf67 ("net: qualcomm: new Ethernet over SPI driver for QCA7000")
Signed-off-by: Stefan Wahren <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Initialise various workqueue tasks and queue interrupt poll task
before the first invocation of any control net APIs. Since
octep_ctrl_net_get_info was called before the control net receive
work task was initialised or even the interrupt poll task was
queued, the function call wasn't returning actual firmware
info queried from Octeon.
Fixes: 8d6198a14e2b ("octeon_ep: support to fetch firmware info")
Signed-off-by: Shinas Rasheed <[email protected]>
Reviewed-by: Michal Schmidt <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"One tiny fix to the be2iscsi driver fixing a memory leak in an error
leg"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: be2iscsi: Fix a memleak in beiscsi_init_wrb_handle()
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Pull block fixes from Jens Axboe:
"Nothing major in here, just miscellanous fixes for MD and NVMe:
- NVMe pull request via Keith:
- Proper nvme ctrl state setting (Keith)
- Passthrough command optimization (Keith)
- Spectre fix (Nitesh)
- Kconfig clarifications (Shin'ichiro)
- Frozen state deadlock fix (Bitao)
- Power setting quirk (Georg)
- MD pull requests via Song:
- 6.7 regresisons with recovery/sync (Yu)
- Reshape fix (David)"
* tag 'block-6.7-2023-12-08' of git://git.kernel.dk/linux:
md: split MD_RECOVERY_NEEDED out of mddev_resume
nvme-pci: Add sleep quirk for Kingston drives
md: fix stopping sync thread
md: don't leave 'MD_RECOVERY_FROZEN' in error path of md_set_readonly()
md: fix missing flush of sync_work
nvme: fix deadlock between reset and scan
nvme: prevent potential spectre v1 gadget
nvme: improve NVME_HOST_AUTH and NVME_TARGET_AUTH config descriptions
nvme-ioctl: move capable() admin check to the end
nvme: ensure reset state check ordering
nvme: introduce helper function to get ctrl state
md/raid6: use valid sector values to determine if an I/O should wait on the reshape
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Pull io_uring fixes from Jens Axboe:
"Two minor fixes for issues introduced in this release cycle, and two
fixes for issues or potential issues that are heading to stable.
One of these ends up disabling passing io_uring file descriptors via
SCM_RIGHTS. There really shouldn't be an overlap between that kind of
historic use case and modern usage of io_uring, which is why this was
deemed appropriate"
* tag 'io_uring-6.7-2023-12-08' of git://git.kernel.dk/linux:
io_uring/af_unix: disable sending io_uring over sockets
io_uring/kbuf: check for buffer list readiness after NULL check
io_uring/kbuf: Fix an NULL vs IS_ERR() bug in io_alloc_pbuf_ring()
io_uring: fix mutex_unlock with unreferenced ctx
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Pull rdma fixes from Jason Gunthorpe:
"Primarily rtrs and irdma fixes:
- Fix uninitialized value in ib_get_eth_speed()
- Fix hns refusing to work if userspace doesn't select the correct
congestion control algorithm
- Several irdma fixes - unreliable Send Queue Drain, use after free,
64k page size bugs, device removal races
- Several rtrs bug fixes - crashes, memory leaks, use after free, bad
credit accounting, bogus WARN_ON
- Typos and a MAINTAINER update"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/irdma: Avoid free the non-cqp_request scratch
RDMA/irdma: Fix support for 64k pages
RDMA/irdma: Ensure iWarp QP queue memory is OS paged aligned
RDMA/core: Fix umem iterator when PAGE_SIZE is greater then HCA pgsz
RDMA/irdma: Fix UAF in irdma_sc_ccq_get_cqe_info()
RDMA/bnxt_re: Correct module description string
RDMA/rtrs-clt: Remove the warnings for req in_use check
RDMA/rtrs-clt: Fix the max_send_wr setting
RDMA/rtrs-srv: Destroy path files after making sure no IOs in-flight
RDMA/rtrs-srv: Free srv_mr iu only when always_invalidate is true
RDMA/rtrs-srv: Check return values while processing info request
RDMA/rtrs-clt: Start hb after path_up
RDMA/rtrs-srv: Do not unconditionally enable irq
MAINTAINERS: Add Chengchang Tang as Hisilicon RoCE maintainer
RDMA/irdma: Add wait for suspend on SQD
RDMA/irdma: Do not modify to SQD on error
RDMA/hns: Fix unnecessary err return when using invalid congest control algorithm
RDMA/core: Fix uninit-value access in ib_get_eth_speed()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Fix cpufreq reference counting in the DTPM (dynamic thermal and power
management) power capping framework (Lukasz Luba)"
* tag 'pm-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
powercap: DTPM: Fix missing cpufreq_cpu_put() calls
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix a possible crash on an attempt to free unallocated memory in the
error path of acpi_evaluate_reference() that has been introduced by
one of the recent changes (Rafael Wysocki)"
* tag 'acpi-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: utils: Fix error path in acpi_evaluate_reference()
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- acpi_power_meter: Fix 4.29 MW output seen if acpi reports bad data
- corsair-psu: Fix ability to probe if the driver is built into the kernel
- ltc2991: Fix spelling mistake "contiuous" -> "continuous"
- max31827: Add missing regulator header file include
- nzxt-kraken2: Fix error handling path in probe function
* tag 'hwmon-for-v6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (corsair-psu) Fix probe when built-in
hwmon: (nzxt-kraken2) Fix error handling path in kraken2_probe()
hwmon: (acpi_power_meter) Fix 4.29 MW bug
hwmon: max31827: include regulator header
hwmon: ltc2991: Fix spelling mistake "contiuous" -> "continuous"
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Pull pwm fix from Uwe Kleine-König:
"This fixes a null pointer exception in the bcm2835 pwm driver.
The problem was introduced by a combination of two commits merged for
v6.7-rc1 where each change alone would have been fine.
Thanks to Florian Fainelli for noticing and fixing the issue"
* tag 'pwm/for-6.7-rc5-fixes' of https://git.pengutronix.de/git/ukl/linux:
pwm: bcm2835: Fix NPD in suspend/resume
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This is a typical bump in the middle of its way; we've gathered lots
of fixes (mostly for ASoC) at this time:
- PCM array out-of-bound access fix
- Correction of SOC PCM merge error
- Lots of ASoC SOF Intel updates
- A few ASoC AMD quirks
- More proper timer handling in PCM test module
- HD-audio and USB-audio quirks as usual
- Other device-specific fixes for various ASoC codecs"
* tag 'sound-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (39 commits)
ALSA: hda/realtek: Add quirk for Lenovo Yoga Pro 7
ALSA: pcmtest: stop timer before buffer is released
ALSA: hda/realtek: Add Framework laptop 16 to quirks
ALSA: hda/realtek: add new Framework laptop to quirks
ALSA: pcm: fix out-of-bounds in snd_pcm_state_names
ASoC: qcom: sc8280xp: Limit speaker digital volumes
ASoC: ops: add correct range check for limiting volume
ALSA: hda/realtek: Enable headset on Lenovo M90 Gen5
ALSA: hda/realtek: fix speakers on XPS 9530 (2023)
ALSA: usb-audio: Add Pioneer DJM-450 mixer controls
ASoC: wm_adsp: fix memleak in wm_adsp_buffer_populate
ASoC: da7219: Support low DC impedance headset
ASoC: amd: acp: Add support for a new Huawei Matebook laptop
ALSA: hda/realtek: Apply quirk for ASUS UM3504DA
ASoC: SOF: ipc4-topology: Correct data structures for the GAIN module
ASoC: SOF: ipc4-topology: Correct data structures for the SRC module
ASoC: hdac_hda: Conditionally register dais for HDMI and Analog
ASoC: codecs: lpass-tx-macro: set active_decimator correct default value
ASoC: amd: yc: Fix non-functional mic on ASUS E1504FA
ASoC: amd: yc: Add DMI entry to support System76 Pangolin 13
...
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Pull drm fixes from Dave Airlie:
"Regular weekly fixes, mostly amdgpu and i915 as usual. A couple of
nouveau, panfrost, one core and one bridge Kconfig.
Seems about normal for rc5.
atomic-helpers:
- invoke end_fb_access while owning plane state
i915:
- fix a missing dep for a previous fix
- Relax BXT/GLK DSI transcoder hblank limits
- Fix DP MST .mode_valid_ctx() return values
- Reject DP MST modes that require bigjoiner (as it's not yet
supported on DP MST)
- Fix _intel_dsb_commit() variable type to allow negative values
nouveau:
- document some bits of gsp rm
- flush vmm more on tu102 to avoid hangs
panfrost:
- fix imported dma-buf objects residency
- fix device freq update
bridge:
- tc358768 - fix Kconfig
amdgpu:
- Disable MCBP on gfx9
- DC vbios fix
- eDP fix
- dml2 UBSAN fix
- SMU 14 fix
- RAS fixes
- dml KASAN/KCSAN fix
- PSP 13 fix
- Clockgating fixes
- Suspend fix
exynos:
- fix pointer dereference
- fix wrong error check"
* tag 'drm-fixes-2023-12-08' of git://anongit.freedesktop.org/drm/drm: (27 commits)
drm/exynos: fix a wrong error checking
drm/exynos: fix a potential error pointer dereference
drm/amdgpu: fix buffer funcs setting order on suspend
drm/amdgpu: Avoid querying DRM MGCG status
drm/amdgpu: Update HDP 4.4.2 clock gating flags
drm/amdgpu: Add NULL checks for function pointers
drm/amdgpu: Restrict extended wait to PSP v13.0.6
drm/amd/display: Increase frame warning limit with KASAN or KCSAN in dml
drm/amdgpu: optimize the printing order of error data
drm/amdgpu: Update fw version for boot time error query
drm/amd/pm: support new mca smu error code decoding
drm/amd/swsmu: update smu v14_0_0 driver if version and metrics table
drm/amd/display: Fix array-index-out-of-bounds in dml2
drm/amd/display: Add monitor patch for specific eDP
drm/amd/display: Use channel_width = 2 for vram table 3.0
drm/amdgpu: disable MCBP by default
drm/atomic-helpers: Invoke end_fb_access while owning plane state
drm/i915: correct the input parameter on _intel_dsb_commit()
drm/i915/mst: Reject modes that require the bigjoiner
drm/i915/mst: Fix .mode_valid_ctx() return values
...
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In __team_options_register, team_options are allocated and appended to
the team's option_list.
If one option instance allocation fails, the "inst_rollback" cleanup
path frees the previously allocated options but doesn't remove them from
the team's option_list.
This leaves dangling pointers that can be dereferenced later by other
parts of the team driver that iterate over options.
This patch fixes the cleanup path to remove the dangling pointers from
the list.
As far as I can tell, this uaf doesn't have much security implications
since it would be fairly hard to exploit (an attacker would need to make
the allocation of that specific small object fail) but it's still nice
to fix.
Cc: [email protected]
Fixes: 80f7c6683fe0 ("team: add support for per-port options")
Signed-off-by: Florent Revest <[email protected]>
Reviewed-by: Jiri Pirko <[email protected]>
Reviewed-by: Hangbin Liu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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In general, activating long mode involves setting the EFER_LME bit in
the EFER register and then enabling the X86_CR0_PG bit in the CR0
register. At this point, the EFER_LMA bit will be set automatically by
hardware.
In the case of SVM/SEV guests where writes to CR0 are intercepted, it's
necessary for the host to set EFER_LMA on behalf of the guest since
hardware does not see the actual CR0 write.
In the case of SEV-ES guests where writes to CR0 are trapped instead of
intercepted, the hardware *does* see/record the write to CR0 before
exiting and passing the value on to the host, so as part of enabling
SEV-ES support commit f1c6366e3043 ("KVM: SVM: Add required changes to
support intercepts under SEV-ES") dropped special handling of the
EFER_LMA bit with the understanding that it would be set automatically.
However, since the guest never explicitly sets the EFER_LMA bit, the
host never becomes aware that it has been set. This becomes problematic
when userspace tries to get/set the EFER values via
KVM_GET_SREGS/KVM_SET_SREGS, since the EFER contents tracked by the host
will be missing the EFER_LMA bit, and when userspace attempts to pass
the EFER value back via KVM_SET_SREGS it will fail a sanity check that
asserts that EFER_LMA should always be set when X86_CR0_PG and EFER_LME
are set.
Fix this by always inferring the value of EFER_LMA based on X86_CR0_PG
and EFER_LME, regardless of whether or not SEV-ES is enabled.
Fixes: f1c6366e3043 ("KVM: SVM: Add required changes to support intercepts under SEV-ES")
Reported-by: Peter Gonda <[email protected]>
Cc: [email protected]
Signed-off-by: Sean Christopherson <[email protected]>
Message-Id: <[email protected]>
[A two year old patch that was revived after we noticed the failure in
KVM_SET_SREGS and a similar patch was posted by Michael Roth. This is
Sean's patch, but with Michael's more complete commit message. - Paolo]
Signed-off-by: Paolo Bonzini <[email protected]>
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It seems that when the driver is built-in, the HID bus is
initialized after the driver is loaded, which whould cause
module_hid_driver() to fail.
Fix this by registering the driver after the HID bus using
late_initcall() in accordance with other hwmon HID drivers.
Signed-off-by: Armin Wolf <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
[groeck: Dropped "compile tested" comment; the patch has been tested
but the tester did not provide a Tested-by: tag]
Signed-off-by: Guenter Roeck <[email protected]>
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Using -MD without -MP causes build failures when a header file is deleted
or moved. With -MP, the compiler will emit phony targets for the header
files it lists as dependencies, and the Makefiles won't refuse to attempt
to rebuild a C unit which no longer includes the deleted header.
Signed-off-by: David Woodhouse <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Sean Christopherson <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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Pass MAGIC_TOKEN to __TEST_REQUIRE() when printing the help message about
needing to pass a magic value to manually run the NX hugepages test,
otherwise the help message will contain garbage.
In file included from x86_64/nx_huge_pages_test.c:15:
x86_64/nx_huge_pages_test.c: In function ‘main’:
include/test_util.h:40:32: error: format ‘%d’ expects a matching ‘int’ argument [-Werror=format=]
40 | ksft_exit_skip("- " fmt "\n", ##__VA_ARGS__); \
| ^~~~
x86_64/nx_huge_pages_test.c:259:9: note: in expansion of macro ‘__TEST_REQUIRE’
259 | __TEST_REQUIRE(token == MAGIC_TOKEN,
| ^~~~~~~~~~~~~~
Signed-off-by: angquan yu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
[sean: rewrite shortlog+changelog]
Signed-off-by: Sean Christopherson <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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kvm-master
KVM fixes for 6.7-rcN:
- When checking if a _running_ vCPU is "in-kernel", i.e. running at CPL0,
get the CPL directly instead of relying on preempted_in_kernel, which
is valid if and only if the vCPU was preempted, i.e. NOT running.
- Set .owner for various KVM file_operations so that files refcount the
KVM module until KVM is done executing _all_ code, including the last
few instructions of kvm_put_kvm(). And then revert the misguided
attempt to rely on "struct kvm" refcounts to pin KVM-the-module.
- Fix a benign "return void" that was recently introduced.
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https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into kvm-master
Two small but important bugfixes.
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/arm64 fixes for 6.7, take #1
- Avoid mapping vLPIs that have already been mapped
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A pair of fixes to the new module load-time relocation code
- A fix for hwprobe overflowing on rv32
- A fix for to correctly decode C.SWSP and C.SDSP, which manifests in
misaligned access handling
- A fix for a boot-time shadow call stack initialization ordering issue
- A fix for Andes' errata probing, which was calling
riscv_noncoherent_supported() too late in the boot process and
triggering an oops
* tag 'riscv-for-linus-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: errata: andes: Probe for IOCP only once in boot stage
riscv: Fix SMP when shadow call stacks are enabled
dt-bindings: perf: riscv,pmu: drop unneeded quotes
riscv: fix misaligned access handling of C.SWSP and C.SDSP
RISC-V: hwprobe: Always use u64 for extension bits
Support rv32 ULEB128 test
riscv: Correct type casting in module loading
riscv: Safely remove entries from relocation list
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Most of the changes are devicetree fixes for NXP, Mediatek, Rockchips
Arm machines as well as Microchip RISC-V, and most of these address
build-time warnings for spec violations and other minor issues. One of
the Mediatek warnings was enabled by default and prevented a clean
build.
The ones that address serious runtime issues are all on the i.MX
platform:
- a boot time panic on imx8qm
- USB hanging under load on imx8
- regressions on the imx93 ethernet phy
Code fixes include a minor error handling for the i.MX PMU driver, and
a number of firmware driver fixes:
- OP-TEE fix for supplicant based device enumeration, and a new sysfs
attribute to needed to fix a race against userspace
- Arm SCMI fix for possible truncation/overflow in the frequency
computations
- Multiple FF-A fixes for the newly added notification support"
* tag 'soc-fixes-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (55 commits)
MAINTAINERS: change the S32G2 maintainer's email address.
arm64: dts: rockchip: Fix eMMC Data Strobe PD on rk3588
ARM: dts: imx28-xea: Pass the 'model' property
ARM: dts: imx7: Declare timers compatible with fsl,imx6dl-gpt
MAINTAINERS: reinstate freescale ARM64 DT directory in i.MX entry
arm64: dts: imx8-apalis: set wifi regulator to always-on
ARM: imx: Check return value of devm_kasprintf in imx_mmdc_perf_init
arm64: dts: imx8ulp: update gpio node name to align with register address
arm64: dts: imx93: update gpio node name to align with register address
arm64: dts: imx93: correct mediamix power
arm64: dts: imx8qm: Add imx8qm's own pm to avoid panic during startup
arm64: dts: freescale: imx8-ss-dma: Fix #pwm-cells
arm64: dts: freescale: imx8-ss-lsio: Fix #pwm-cells
dt-bindings: pwm: imx-pwm: Unify #pwm-cells for all compatibles
ARM: dts: imx6ul-pico: Describe the Ethernet PHY clock
arm64: dts: imx8mp: imx8mq: Add parkmode-disable-ss-quirk on DWC3
arm64: dts: rockchip: Fix PCI node addresses on rk3399-gru
arm64: dts: rockchip: drop interrupt-names property from rk3588s dfi
firmware: arm_scmi: Fix possible frequency truncation when using level indexing mode
firmware: arm_scmi: Fix frequency truncation by promoting multiplier type
...
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This is a partial revert of 8b3517f88ff2 ("PCI: loongson: Prevent LS7A MRRS
increases") for MIPS-based Loongson.
Some MIPS Loongson systems don't support arbitrary Max_Read_Request_Size
(MRRS) settings. 8b3517f88ff2 ("PCI: loongson: Prevent LS7A MRRS
increases") worked around that by (1) assuming that firmware configured
MRRS to the maximum supported value and (2) preventing the PCI core from
increasing MRRS.
Unfortunately, some firmware doesn't set that maximum MRRS correctly, which
results in devices not being initialized correctly. One symptom, from the
Debian report below, is this:
ata4.00: exception Emask 0x0 SAct 0x20000000 SErr 0x0 action 0x6 frozen
ata4.00: failed command: WRITE FPDMA QUEUED
ata4.00: cmd 61/20:e8:00:f0:e1/00:00:00:00:00/40 tag 29 ncq dma 16384 out
res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata4.00: status: { DRDY }
ata4: hard resetting link
Limit MRRS to 256 because MIPS Loongson with higher MRRS support is
considered rare.
This must be done at device enablement stage because the MRRS setting may
get lost if PCI_COMMAND_MASTER on the parent bridge is cleared, and we are
only sure parent bridge is enabled at this point.
Fixes: 8b3517f88ff2 ("PCI: loongson: Prevent LS7A MRRS increases")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217680
Link: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1035587
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jiaxun Yang <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Acked-by: Huacai Chen <[email protected]>
Cc: [email protected]
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Snapshot buffer issues:
1. When instances started allowing latency tracers, it uses a
snapshot buffer (another buffer that is not written to but swapped
with the main buffer that is). The snapshot buffer needs to be the
same size as the main buffer. But when the snapshot buffers were
added to instances, the code to make the snapshot equal to the
main buffer still was only doing it for the main buffer and not
the instances.
2. Need to stop the current tracer when resizing the buffers.
Otherwise there can be a race if the tracer decides to make a
snapshot between resizing the main buffer and the snapshot buffer.
3. When a tracer is "stopped" in disables both the main buffer and
the snapshot buffer. This needs to be done for instances and not
only the main buffer, now that instances also have a snapshot
buffer.
- Buffered event for filtering issues:
When filtering is enabled, because events can be dropped often, it is
quicker to copy the event into a temp buffer and write that into the
main buffer if it is not filtered or just drop the event if it is,
than to write the event into the ring buffer and then try to discard
it. This temp buffer is allocated and needs special synchronization
to do so. But there were some issues with that:
1. When disabling the filter and freeing the buffer, a call to all
CPUs is required to stop each per_cpu usage. But the code called
smp_call_function_many() which does not include the current CPU.
If the task is migrated to another CPU when it enables the CPUs
via smp_call_function_many(), it will not enable the one it is
currently on and this causes issues later on. Use
on_each_cpu_mask() instead, which includes the current CPU.
2.When the allocation of the buffered event fails, it can give a
warning. But the buffered event is just an optimization (it's
still OK to write to the ring buffer and free it). Do not WARN in
this case.
3.The freeing of the buffer event requires synchronization. First a
counter is decremented to zero so that no new uses of it will
happen. Then it sets the buffered event to NULL, and finally it
frees the buffered event. There's a synchronize_rcu() between the
counter decrement and the setting the variable to NULL, but only a
smp_wmb() between that and the freeing of the buffer. It is
theoretically possible that a user missed seeing the decrement,
but will use the buffer after it is free. Another
synchronize_rcu() is needed in place of that smp_wmb().
- ring buffer timestamps on 32 bit machines
The ring buffer timestamp on 32 bit machines has to break the 64 bit
number into multiple values as cmpxchg is required on it, and a 64
bit cmpxchg on 32 bit architectures is very slow. The code use to
just use two 32 bit values and make it a 60 bit timestamp where the
other 4 bits were used as counters for synchronization. It later came
known that the timestamp on 32 bit still need all 64 bits in some
cases. So 3 words were created to handle the 64 bits. But issues
arised with this:
1. The synchronization logic still only compared the counter with
the first two, but not with the third number, so the
synchronization could fail unknowingly.
2. A check on discard of an event could race if an event happened
between the discard and updating one of the counters. The counter
needs to be updated (forcing an absolute timestamp and not to use
a delta) before the actual discard happens.
* tag 'trace-v6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ring-buffer: Test last update in 32bit version of __rb_time_read()
ring-buffer: Force absolute timestamp on discard of event
tracing: Fix a possible race when disabling buffered events
tracing: Fix a warning when allocating buffered events fails
tracing: Fix incomplete locking when disabling buffered events
tracing: Disable snapshot buffer when stopping instance tracers
tracing: Stop current tracer when resizing buffer
tracing: Always update snapshot buffer size
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"31 hotfixes. Ten of these address pre-6.6 issues and are marked
cc:stable. The remainder address post-6.6 issues or aren't considered
serious enough to justify backporting"
* tag 'mm-hotfixes-stable-2023-12-07-18-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (31 commits)
mm/madvise: add cond_resched() in madvise_cold_or_pageout_pte_range()
nilfs2: prevent WARNING in nilfs_sufile_set_segment_usage()
mm/hugetlb: have CONFIG_HUGETLB_PAGE select CONFIG_XARRAY_MULTI
scripts/gdb: fix lx-device-list-bus and lx-device-list-class
MAINTAINERS: drop Antti Palosaari
highmem: fix a memory copy problem in memcpy_from_folio
nilfs2: fix missing error check for sb_set_blocksize call
kernel/Kconfig.kexec: drop select of KEXEC for CRASH_DUMP
units: add missing header
drivers/base/cpu: crash data showing should depends on KEXEC_CORE
mm/damon/sysfs-schemes: add timeout for update_schemes_tried_regions
scripts/gdb/tasks: fix lx-ps command error
mm/Kconfig: make userfaultfd a menuconfig
selftests/mm: prevent duplicate runs caused by TEST_GEN_PROGS
mm/damon/core: copy nr_accesses when splitting region
lib/group_cpus.c: avoid acquiring cpu hotplug lock in group_cpus_evenly
checkstack: fix printed address
mm/memory_hotplug: fix error handling in add_memory_resource()
mm/memory_hotplug: add missing mem_hotplug_lock
.mailmap: add a new address mapping for Chester Lin
...
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MS confirm that "AISi" name of SMB2_CREATE_ALLOCATION_SIZE in MS-SMB2
specification is a typo. cifs/ksmbd have been using this wrong name from
MS-SMB2. It should be "AlSi". Also It will cause problem when running
smb2.create.open test in smbtorture against ksmbd.
Cc: [email protected]
Fixes: 12197a7fdda9 ("Clarify SMB2/SMB3 create context and add missing ones")
Signed-off-by: Namjae Jeon <[email protected]>
Reviewed-by: Paulo Alcantara (SUSE) <[email protected]>
Signed-off-by: Steve French <[email protected]>
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When client send SMB2_CREATE_ALLOCATION_SIZE create context, ksmbd update
old size to ->AllocationSize in smb2 create response. ksmbd_vfs_getattr()
should be called after it to get updated stat result.
Signed-off-by: Namjae Jeon <[email protected]>
Signed-off-by: Steve French <[email protected]>
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opinfo_put() could be called twice on error of smb21_lease_break_ack().
It will cause UAF issue if opinfo is referenced on other places.
Signed-off-by: Namjae Jeon <[email protected]>
Signed-off-by: Steve French <[email protected]>
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Don't immediately send directory lease break notification on smb2_write().
Instead, It postpones it until smb2_close().
Signed-off-by: Namjae Jeon <[email protected]>
Signed-off-by: Steve French <[email protected]>
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If client send different parent key, different client guid, or there is
no parent lease key flags in create context v2 lease, ksmbd send lease
break to client.
Signed-off-by: Namjae Jeon <[email protected]>
Signed-off-by: Steve French <[email protected]>
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Commit 3823119b9c2b ("drm/crtc: Fix uninit-value bug in
drm_mode_setcrtc") was supposed to fix use of an uninitialized variable,
but introduced another.
num_connectors is only initialized if crtc_req->count_connectors > 0,
but it's used regardless. Fix it.
Fixes: 3823119b9c2b ("drm/crtc: Fix uninit-value bug in drm_mode_setcrtc")
Cc: [email protected]
Cc: Ziqi Zhao <[email protected]>
Cc: Maxime Ripard <[email protected]>
Cc: Maarten Lankhorst <[email protected]>
Cc: Thomas Zimmermann <[email protected]>
Signed-off-by: Jani Nikula <[email protected]>
Signed-off-by: Maxime Ripard <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Fix kernel-doc function notation and comment formatting to prevent
warnings from scripts/kernel-doc.
for drivers/platform/x86/intel_ips.c:
595: warning: No description found for return value of 'mcp_exceeded'
624: warning: No description found for return value of 'cpu_exceeded'
650: warning: No description found for return value of 'mch_exceeded'
745: warning: bad line: cpu+ gpu+ cpu+gpu- cpu-gpu+ cpu-gpu-
746: warning: bad line: cpu < gpu < cpu+gpu+ cpu+ gpu+ nothing
753: warning: No description found for return value of 'ips_adjust'
747: warning: bad line: cpu < gpu >= cpu+gpu-(mcp<) cpu+gpu-(mcp<) gpu- gpu-
748: warning: bad line: cpu >= gpu < cpu-gpu+(mcp<) cpu- cpu-gpu+(mcp<) cpu-
749: warning: bad line: cpu >= gpu >= cpu-gpu- cpu-gpu- cpu-gpu- cpu-gpu-
945: warning: No description found for return value of 'ips_monitor'
1151: warning: No description found for return value of 'ips_irq_handler'
1301: warning: Function parameter or member 'ips' not described in 'ips_detect_cpu'
1302: warning: No description found for return value of 'ips_detect_cpu'
1358: warning: No description found for return value of 'ips_get_i915_syms'
Signed-off-by: Randy Dunlap <[email protected]>
Cc: Hans de Goede <[email protected]>
Cc: Ilpo Järvinen <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Add a function's return description and don't misuse "/**" for
non-kernel-doc comments to prevent warnings from scripts/kernel-doc.
thinkpad_acpi.c:523: warning: No description found for return value of 'tpacpi_check_quirks'
thinkpad_acpi.c:9307: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
thinkpad_acpi.c:9307: warning: missing initial short description on line:
* This evaluates a ACPI method call specific to the battery
Signed-off-by: Randy Dunlap <[email protected]>
Cc: Henrique de Moraes Holschuh <[email protected]>
Cc: Hans de Goede <[email protected]>
Cc: Ilpo Järvinen <[email protected]>
CC: [email protected]
CC: [email protected]
Reviewed-by: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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2 issues have been reported on the Dell Inspiron 7352:
1. Sometimes the tablet-mode-switch stops reporting tablet-mode
change events.
Add a "VBDL" call to notify_handler() to work around this.
2. Sometimes the tablet-mode is incorrect after suspend/resume
Add a detect_tablet_mode() to resume() to fix this.
Reported-by: Arnold Gozum <[email protected]>
Closes: https://lore.kernel.org/platform-driver-x86/[email protected]/
Tested-by: Arnold Gozum <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>
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Lorenzo points out that we effectively clear all unknown
flags from PIO when copying them to userspace in the netlink
RTM_NEWPREFIX notification.
We could fix this one at a time as new flags are defined,
or in one fell swoop - I choose the latter.
We could either define 6 new reserved flags (reserved1..6) and handle
them individually (and rename them as new flags are defined), or we
could simply copy the entire unmodified byte over - I choose the latter.
This unfortunately requires some anonymous union/struct magic,
so we add a static assert on the struct size for a little extra safety.
Cc: David Ahern <[email protected]>
Cc: Lorenzo Colitti <[email protected]>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Maciej Żenczykowski <[email protected]>
Reviewed-by: David Ahern <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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We are seeing cases where neigh_cleanup_and_release() is called by
neigh_forced_gc() many times in a row with preemption turned off.
When running on a low powered CPU at a low CPU frequency, this has
been measured to keep preemption off for ~10 ms. That's not great on a
system with HZ=1000 which expects tasks to be able to schedule in
with ~1ms latency.
Suggested-by: Douglas Anderson <[email protected]>
Signed-off-by: Judy Hsiao <[email protected]>
Reviewed-by: David Ahern <[email protected]>
Reviewed-by: Eric Dumazet <[email protected]>
Reviewed-by: Douglas Anderson <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 fixes 2023-12-04
This series provides bug fixes to mlx5 driver.
V1->V2:
- Drop commit #9 ("net/mlx5e: Forbid devlink reload if IPSec rules are
offloaded"), we are working on a better fix
Please pull and let me know if there is any problem.
====================
Signed-off-by: David S. Miller <[email protected]>
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The connector_set contains uninitialized values when allocated with
kmalloc_array. However, in the "out" branch, the logic assumes that any
element in connector_set would be equal to NULL if failed to
initialize, which causes the bug reported by Syzbot. The fix is to use
an extra variable to keep track of how many connectors are initialized
indeed, and use that variable to decrease any refcounts in the "out"
branch.
Reported-by: [email protected]
Signed-off-by: Ziqi Zhao <[email protected]>
Reported-and-tested-by: [email protected]
Tested-by: Harshit Mogalapalli <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Maxime Ripard <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
Devicetree fixes for the 6.7-cycle.
All over the place this time. From adapting the size of the vdec nodes
on rk3328 and rk3399, fixing some wrong pinctrl settings on rk3128 and
the Turing RK1 board, emmc-settings fixes on rk3588 and interrupt-name
mishaps, down to some dt-cleanups.
Also this adds the missing rockchip,rk3588-pmugrf compatible to the soc
grf binding, that I somehow messed up during the pull requests for the
-rc1 . At least with it included the dt-checker is happier.
* tag 'v6.7-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: Fix eMMC Data Strobe PD on rk3588
arm64: dts: rockchip: Fix PCI node addresses on rk3399-gru
arm64: dts: rockchip: drop interrupt-names property from rk3588s dfi
arm64: dts: rockchip: Fix Turing RK1 interrupt pinctrls
ARM: dts: rockchip: Fix sdmmc_pwren's pinmux setting for RK3128
arm64: dts: rockchip: minor whitespace cleanup around '='
ARM: dts: rockchip: minor whitespace cleanup around '='
dt-bindings: soc: rockchip: grf: add rockchip,rk3588-pmugrf
arm64: dts: rockchip: fix rk356x pcie msg interrupt name
arm64: dts: rockchip: Expand reg size of vdec node for RK3399
arm64: dts: rockchip: Expand reg size of vdec node for RK3328
Link: https://lore.kernel.org/r/2709704.mvXUDI8C0e@phil
Signed-off-by: Arnd Bergmann <[email protected]>
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