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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Make Kconfig parse the input .config more precisely
- Support W=c and W=e options for Kconfig
- Set Kconfig int/hex symbols to zero if the 'default' property is
missing
- Add .editorconfig
- Add scripts/git.orderFile
- Add a script to detect backward-incompatible changes in UAPI headers
- Resolve the symlink passed to O= option properly
- Use the user-supplied mtime for all files in the builtin initramfs,
which provides better reproducible builds
- Fix the direct execution of debian/rules for Debian package builds
- Use build ID instead of the .gnu_debuglink section for the Debian dbg
package
* tag 'kbuild-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (53 commits)
kbuild: deb-pkg: use debian/<package> for tmpdir
kbuild: deb-pkg: move 'make headers' to build-arch
kbuild: deb-pkg: do not search for 'scripts' directory under arch/
kbuild: deb-pkg: use build ID instead of debug link for dbg package
kbuild: deb-pkg: use more debhelper commands in builddeb
kbuild: deb-pkg: remove unneeded '-f $srctree/Makefile' in debian/rules
kbuild: deb-pkg: allow to run debian/rules from output directory
kbuild: deb-pkg: set DEB_* variables if debian/rules is directly executed
kbuild: deb-pkg: squash scripts/package/deb-build-option to debian/rules
kbuild: deb-pkg: factor out common Make options in debian/rules
kbuild: deb-pkg: hard-code Build-Depends
kbuild: deb-pkg: split debian/copyright from the mkdebian script
gen_init_cpio: Apply mtime supplied by user to all file types
kbuild: resolve symlinks for O= properly
docs: dev-tools: Add UAPI checker documentation
check-uapi: Introduce check-uapi.sh
scripts: Introduce a default git.orderFile
kconfig: WERROR unmet symbol dependency
Add .editorconfig file for basic formatting
kconfig: Use KCONFIG_CONFIG instead of .config
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git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb update from Daniel Thompson:
"The entire changeset for kgdb this cycle is a single two-line change
to remove some deadcode that, had it not been dead, would have called
strncpy() in an unsafe manner.
To be fair there were other modest clean ups were discussed this cycle
but they are not finalized and will have to wait until next time"
* tag 'kgdb-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kdb: Fix a potential buffer overflow in kdb_local()
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf and netfilter.
Previous releases - regressions:
- Revert "net: rtnetlink: Enslave device before bringing it up",
breaks the case inverse to the one it was trying to fix
- net: dsa: fix oob access in DSA's netdevice event handler
dereference netdev_priv() before check its a DSA port
- sched: track device in tcf_block_get/put_ext() only for clsact
binder types
- net: tls, fix WARNING in __sk_msg_free when record becomes full
during splice and MORE hint set
- sfp-bus: fix SFP mode detect from bitrate
- drv: stmmac: prevent DSA tags from breaking COE
Previous releases - always broken:
- bpf: fix no forward progress in in bpf_iter_udp if output buffer is
too small
- bpf: reject variable offset alu on registers with a type of
PTR_TO_FLOW_KEYS to prevent oob access
- netfilter: tighten input validation
- net: add more sanity check in virtio_net_hdr_to_skb()
- rxrpc: fix use of Don't Fragment flag on RESPONSE packets, avoid
infinite loop
- amt: do not use the portion of skb->cb area which may get clobbered
- mptcp: improve validation of the MPTCPOPT_MP_JOIN MCTCP option
Misc:
- spring cleanup of inactive maintainers"
* tag 'net-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
i40e: Include types.h to some headers
ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work
selftests: mlxsw: qos_pfc: Adjust the test to support 8 lanes
selftests: mlxsw: qos_pfc: Remove wrong description
mlxsw: spectrum_router: Register netdevice notifier before nexthop
mlxsw: spectrum_acl_tcam: Fix stack corruption
mlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path
mlxsw: spectrum_acl_erp: Fix error flow of pool allocation failure
ethtool: netlink: Add missing ethnl_ops_begin/complete
selftests: bonding: Add more missing config options
selftests: netdevsim: add a config file
libbpf: warn on unexpected __arg_ctx type when rewriting BTF
selftests/bpf: add tests confirming type logic in kernel for __arg_ctx
bpf: enforce types for __arg_ctx-tagged arguments in global subprogs
bpf: extract bpf_ctx_convert_map logic and make it more reusable
libbpf: feature-detect arg:ctx tag support in kernel
ipvs: avoid stat macros calls from preemptible context
netfilter: nf_tables: reject NFT_SET_CONCAT with not field length description
netfilter: nf_tables: skip dead set elements in netlink dump
netfilter: nf_tables: do not allow mismatch field size and set key length
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"This removes the currently unused CLASS_DDC support (controllers set
the flag, but there is no client to use it).
Also, CLASS_SPD support gets simplified to prepare removal in the
future. Class based instantiation is not recommended these days
anyhow.
Furthermore, I2C core now creates a debugfs directory per I2C adapter.
Current bus driver users were converted to use it.
Finally, quite some driver updates. Standing out are patches for the
wmt-driver which is refactored to support more variants.
This is the rebased pull request where a large series for the
designware driver was dropped"
* tag 'i2c-for-6.8-rc1-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (38 commits)
MAINTAINERS: use proper email for my I2C work
i2c: stm32f7: add support for stm32mp25 soc
i2c: stm32f7: perform I2C_ISR read once at beginning of event isr
dt-bindings: i2c: document st,stm32mp25-i2c compatible
i2c: stm32f7: simplify status messages in case of errors
i2c: stm32f7: perform most of irq job in threaded handler
i2c: stm32f7: use dev_err_probe upon calls of devm_request_irq
i2c: i801: Add lis3lv02d for Dell XPS 15 7590
i2c: i801: Add lis3lv02d for Dell Precision 3540
i2c: wmt: Reduce redundant: REG_CR setting
i2c: wmt: Reduce redundant: function parameter
i2c: wmt: Reduce redundant: clock mode setting
i2c: wmt: Reduce redundant: wait event complete
i2c: wmt: Reduce redundant: bus busy check
i2c: mux: reg: Remove class-based device auto-detection support
i2c: make i2c_bus_type const
dt-bindings: at24: add ROHM BR24G04
eeprom: at24: use of_match_ptr()
i2c: cpm: Remove linux,i2c-index conversion from be32
i2c: imx: Make SDA actually optional for bus recovering
...
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"There are three new drivers this cycle. Also the cmos driver is
getting fixes for longstanding wakeup issues on AMD.
New drivers:
- Analog Devices MAX31335
- Nuvoton ma35d1
- Texas Instrument TPS6594 PMIC RTC
Drivers:
- cmos: use ACPI alarm instead of HPET on recent AMD platforms
- nuvoton: add NCT3015Y-R and NCT3018Y-R support
- rv8803: proper suspend/resume and wakeup-source support"
* tag 'rtc-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (26 commits)
rtc: nuvoton: Compatible with NCT3015Y-R and NCT3018Y-R
rtc: da9063: Use dev_err_probe()
rtc: da9063: Use device_get_match_data()
rtc: da9063: Make IRQ as optional
rtc: max31335: Fix comparison in max31335_volatile_reg()
rtc: max31335: use regmap_update_bits_check
rtc: max31335: remove unecessary locking
rtc: max31335: add driver support
dt-bindings: rtc: max31335: add max31335 bindings
rtc: rv8803: add wakeup-source support
rtc: ac100: remove misuses of kernel-doc
rtc: class: Remove usage of the deprecated ida_simple_xx() API
rtc: MAINTAINERS: drop Alessandro Zummo
rtc: ma35d1: remove hardcoded UIE support
dt-bindings: rtc: qcom-pm8xxx: fix inconsistent example
rtc: rv8803: Add power management support
rtc: ds3232: avoid unused-const-variable warning
rtc: lpc24xx: add missing dependency
rtc: tps6594: Add driver for TPS6594 RTC
rtc: Add driver for Nuvoton ma35d1 rtc controller
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a new driver for Adafruit Seesaw gamepad device
- Zforce touchscreen will handle standard device properties for axis
swap/inversion
- handling of advanced sensitivity settings in Microchip CAP11xx
capacitive sensor driver
- more drivers have been converted to use newer gpiod API
- support for dedicated wakeup IRQs in gpio-keys dirver
- support for slider gestures and OTP variants in iqs269a driver
- atkbd will report keyboard version as 0xab83 in cases when GET ID
command was skipped (to deal with problematic firmware on newer
laptops), restoring the previous behavior
- other assorted cleanups and changes
* tag 'input-for-v6.8-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (44 commits)
Input: atkbd - use ab83 as id when skipping the getid command
Input: driver for Adafruit Seesaw Gamepad
dt-bindings: input: bindings for Adafruit Seesaw Gamepad
Input: da9063_onkey - avoid explicitly setting input's parent
Input: da9063_onkey - avoid using OF-specific APIs
Input: iqs269a - add support for OTP variants
dt-bindings: input: iqs269a: Add bindings for OTP variants
Input: iqs269a - add support for slider gestures
dt-bindings: input: iqs269a: Add bindings for slider gestures
Input: gpio-keys - filter gpio_keys -EPROBE_DEFER error messages
Input: zforce_ts - accept standard touchscreen properties
dt-bindings: touchscreen: neonode,zforce: Use standard properties
dt-bindings: touchscreen: convert neonode,zforce to json-schema
dt-bindings: input: convert drv266x to json-schema
Input: da9063 - use dev_err_probe()
Input: da9063 - drop redundant prints in probe()
Input: da9063 - simplify obtaining OF match data
Input: as5011 - convert to GPIO descriptor
Input: omap-keypad - drop optional GPIO support
Input: tca6416-keypad - drop unused include
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git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul:
"New Support:
- Qualcomm SM8650 UFS, PCIe and USB/DP Combo PHY, eUSB2 PHY, SDX75
USB3, X1E80100 USB3 support
- Mediatek MT8195 support
- Rockchip RK3128 usb2 support
- TI SGMII mode for J784S4
Updates:
- Qualcomm v7 register offsets updates
- Mediatek tphy support for force phy mode switch"
* tag 'phy-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (34 commits)
phy: ti: j721e-wiz: Add SGMII support in WIZ driver for J784S4
phy: ti: gmii-sel: Enable SGMII mode for J784S4
phy: qcom-qmp-usb: Add Qualcomm X1E80100 USB3 PHY support
dt-bindings: phy: qcom,sc8280xp-qmp-usb3-uni: Add X1E80100 USB PHY binding
phy: qcom-qmp-combo: Add x1e80100 USB/DP combo phys
dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp-phy: Document X1E80100 compatible
dt-bindings: phy: qcom: snps-eusb2: Document the X1E80100 compatible
phy: mediatek: tphy: add support force phy mode switch
dt-bindings: phy: mediatek: tphy: add a property for force-mode switch
phy: phy-can-transceiver: insert space after include
phy: qualcomm: phy-qcom-qmp-ufs: Rectify SM8550 UFS HS-G4 PHY Settings
dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp-phy: fix path to header
phy: renesas: phy-rcar-gen2: use select for GENERIC_PHY
phy: qcom-qmp: qserdes-txrx: Add v7 register offsets
phy: qcom-qmp: qserdes-txrx: Add V6 N4 register offsets
phy: qcom-qmp: qserdes-com: Add v7 register offsets
phy: qcom-qmp: pcs-usb: Add v7 register offsets
phy: qcom-qmp: pcs: Add v7 register offsets
phy: qcom-qmp: qserdes-txrx: Add some more v6.20 register offsets
phy: qcom-qmp: qserdes-com: Add some more v6 register offsets
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
- Core: add concept of controller_id to deal with clear Controller /
Manager hierarchy
- bunch of qcom driver refactoring for qcom_swrm_stream_alloc_ports(),
qcom_swrm_stream_alloc_ports() and setting controller id to hw master
id
* tag 'soundwire-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: amd: drop bus freq calculation and set 'max_clk_freq'
soundwire: generic_bandwidth_allocation use bus->params.max_dr_freq
soundwire: qcom: set controller id to hw master id
soundwire: fix initializing sysfs for same devices on different buses
soundwire: bus: introduce controller_id
soundwire: stream: constify sdw_port_config when adding devices
soundwire: qcom: move sconfig in qcom_swrm_stream_alloc_ports() out of critical section
soundwire: qcom: drop unneeded qcom_swrm_stream_alloc_ports() cleanup
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"Apart from some regular driver fixes there's a relatively big revert
of the locking changes that were introduced to GPIOLIB in this merge
window.
This is because it turned out that some legacy GPIO interfaces - that
need to translate a number from the global GPIO numberspace to the
address of the relevant descriptor, thus running a GPIO device lookup
and taking the GPIO device list lock - are still used in old code from
atomic context resulting in "scheduling while atomic" errors.
I'll try to make the read-only part of the list access entirely
lockless using SRCU but this will take some time so let's go back to
the old global spinlock for now.
Summary:
- revert the changes aiming to use a read-write semaphore to protect
the list of GPIO devices due to calls to legacy API taking that
lock from atomic context in old code
- fix inverted logic in DEFINE_FREE() for GPIO device references
- check the return value of bgpio_init() in gpio-mlxbf3
- fix node address in the DT bindings example for gpio-xilinx
- fix signedness bug in gpio-rtd
- fix kernel-doc warnings in gpio-en7523"
* tag 'gpio-fixes-for-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: revert the attempt to protect the GPIO device list with an rwsem
gpio: EN7523: fix kernel-doc warnings
gpiolib: Fix scope-based gpio_device refcounting
gpio: mlxbf3: add an error code check in mlxbf3_gpio_probe
dt-bindings: gpio: xilinx: Fix node address in gpio
gpio: rtd: Fix signedness bug in probe
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gitolite.kernel.org:pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm fixes from Uwe Kleine-König:
- fix a duplicate cleanup in an error path introduced in
this merge window
- fix an out-of-bounds access
In practise it doesn't happen - otherwise someone would have noticed
since v5.17-rc1 I guess - because the device tree binding for the two
drivers using of_pwm_single_xlate() only have args->args_count == 1.
A device-tree that doesn't conform to the respective bindings could
trigger that easily however.
- correct the request callback of the jz4740 pwm driver which used
dev_err_probe() long after .probe() completed.
This is conceptually wrong because dev_err_probe() might call
device_set_deferred_probe_reason() which is nonsensical after the
driver is bound.
* tag 'pwm/for-6.8-2' of gitolite.kernel.org:pub/scm/linux/kernel/git/ukleinek/linux:
pwm: jz4740: Don't use dev_err_probe() in .request()
pwm: Fix out-of-bounds access in of_pwm_single_xlate()
pwm: bcm2835: Remove duplicate call to clk_rate_exclusive_put()
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"New Drivers:
- Add support for Monolithic Power Systems MP3309C WLED Step-up Converter
Fix-ups:
- Use/convert to new/better APIs/helpers/MACROs instead of
hand-rolling implementations
- Device Tree Binding updates
- Demote non-kerneldoc header comments
- Improve error handling; return proper error values, simplify, avoid
duplicates, etc
- Convert over to the new (kinda) GPIOD API
Bug Fixes:
- Fix uninitialised local variable"
* tag 'backlight-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: hx8357: Convert to agnostic GPIO API
backlight: ili922x: Add an error code check in ili922x_write()
backlight: ili922x: Drop kernel-doc for local macros
backlight: mp3309c: Fix uninitialized local variable
backlight: pwm_bl: Use dev_err_probe
backlight: mp3309c: Add support for MPS MP3309C
dt-bindings: backlight: mp3309c: Remove two required properties
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git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fixes from Christoph Hellwig:
- fix kerneldoc warnings (Randy Dunlap)
- better bounds checking in swiotlb (ZhangPeng)
* tag 'dma-mapping-6.8-2024-01-18' of git://git.infradead.org/users/hch/dma-mapping:
dma-debug: fix kernel-doc warnings
swiotlb: check alloc_size before the allocation of a new memory pool
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git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock update from Mike Rapoport:
"Code readability improvement.
Use NUMA_NO_NODE instead of -1 as return value of
memblock_search_pfn_nid() to improve code readability
and consistency with the callers of that function"
* tag 'memblock-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: Return NUMA_NO_NODE instead of -1 to improve code readability
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Pull virtio updates from Michael Tsirkin:
- vdpa/mlx5: support for resumable vqs
- virtio_scsi: mq_poll support
- 3virtio_pmem: support SHMEM_REGION
- virtio_balloon: stay awake while adjusting balloon
- virtio: support for no-reset virtio PCI PM
- Fixes, cleanups
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vdpa/mlx5: Add mkey leak detection
vdpa/mlx5: Introduce reference counting to mrs
vdpa/mlx5: Use vq suspend/resume during .set_map
vdpa/mlx5: Mark vq state for modification in hw vq
vdpa/mlx5: Mark vq addrs for modification in hw vq
vdpa/mlx5: Introduce per vq and device resume
vdpa/mlx5: Allow modifying multiple vq fields in one modify command
vdpa/mlx5: Expose resumable vq capability
vdpa: Block vq property changes in DRIVER_OK
vdpa: Track device suspended state
scsi: virtio_scsi: Add mq_poll support
virtio_pmem: support feature SHMEM_REGION
virtio_balloon: stay awake while adjusting balloon
vdpa: Remove usage of the deprecated ida_simple_xx() API
virtio: Add support for no-reset virtio PCI PM
virtio_net: fix missing dma unmap for resize
vhost-vdpa: account iommu allocations
vdpa: Fix an error handling path in eni_vdpa_probe()
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmonfix from Guenter Roeck:
"Fix crash seen when instantiating npcm750-pwm-fan"
* tag 'hwmon-for-v6.8-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (npcm750-pwm-fan) Fix crash observed when instantiating nuvoton,npcm750-pwm-fan
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Pull CXL (Compute Express Link) updates from Dan Williams:
"The bulk of this update is support for enumerating the performance
capabilities of CXL memory targets and connecting that to a platform
CXL memory QoS class. Some follow-on work remains to hook up this data
into core-mm policy, but that is saved for v6.9.
The next significant update is unifying how CXL event records (things
like background scrub errors) are processed between so called
"firmware first" and native error record retrieval. The CXL driver
handler that processes the record retrieved from the device mailbox is
now the handler for that same record format coming from an EFI/ACPI
notification source.
This also contains miscellaneous feature updates, like Get Timestamp,
and other fixups.
Summary:
- Add support for parsing the Coherent Device Attribute Table (CDAT)
- Add support for calculating a platform CXL QoS class from CDAT data
- Unify the tracing of EFI CXL Events with native CXL Events.
- Add Get Timestamp support
- Miscellaneous cleanups and fixups"
* tag 'cxl-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (41 commits)
cxl/core: use sysfs_emit() for attr's _show()
cxl/pci: Register for and process CPER events
PCI: Introduce cleanup helpers for device reference counts and locks
acpi/ghes: Process CXL Component Events
cxl/events: Create a CXL event union
cxl/events: Separate UUID from event structures
cxl/events: Remove passing a UUID to known event traces
cxl/events: Create common event UUID defines
cxl/events: Promote CXL event structures to a core header
cxl: Refactor to use __free() for cxl_root allocation in cxl_endpoint_port_probe()
cxl: Refactor to use __free() for cxl_root allocation in cxl_find_nvdimm_bridge()
cxl: Fix device reference leak in cxl_port_perf_data_calculate()
cxl: Convert find_cxl_root() to return a 'struct cxl_root *'
cxl: Introduce put_cxl_root() helper
cxl/port: Fix missing target list lock
cxl/port: Fix decoder initialization when nr_targets > interleave_ways
cxl/region: fix x9 interleave typo
cxl/trace: Pass UUID explicitly to event traces
cxl/region: use %pap format to print resource_size_t
cxl/region: Add dev_dbg() detail on failure to allocate HPA space
...
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Pull VFIO updates from Alex Williamson:
- Add debugfs support, initially used for reporting device migration
state (Longfang Liu)
- Fixes and support for migration dirty tracking across multiple IOVA
regions in the pds-vfio-pci driver (Brett Creeley)
- Improved IOMMU allocation accounting visibility (Pasha Tatashin)
- Virtio infrastructure and a new virtio-vfio-pci variant driver, which
provides emulation of a legacy virtio interfaces on modern virtio
hardware for virtio-net VF devices where the PF driver exposes
support for legacy admin queues, ie. an emulated IO BAR on an SR-IOV
VF to provide driver ABI compatibility to legacy devices (Yishai
Hadas & Feng Liu)
- Migration fixes for the hisi-acc-vfio-pci variant driver (Shameer
Kolothum)
- Kconfig dependency fix for new virtio-vfio-pci variant driver (Arnd
Bergmann)
* tag 'vfio-v6.8-rc1' of https://github.com/awilliam/linux-vfio: (22 commits)
vfio/virtio: fix virtio-pci dependency
hisi_acc_vfio_pci: Update migration data pointer correctly on saving/resume
vfio/virtio: Declare virtiovf_pci_aer_reset_done() static
vfio/virtio: Introduce a vfio driver over virtio devices
vfio/pci: Expose vfio_pci_core_iowrite/read##size()
vfio/pci: Expose vfio_pci_core_setup_barmap()
virtio-pci: Introduce APIs to execute legacy IO admin commands
virtio-pci: Initialize the supported admin commands
virtio-pci: Introduce admin commands
virtio-pci: Introduce admin command sending function
virtio-pci: Introduce admin virtqueue
virtio: Define feature bit for administration virtqueue
vfio/type1: account iommu allocations
vfio/pds: Add multi-region support
vfio/pds: Move seq/ack bitmaps into region struct
vfio/pds: Pass region info to relevant functions
vfio/pds: Move and rename region specific info
vfio/pds: Only use a single SGL for both seq and ack
vfio/pds: Fix calculations in pds_vfio_dirty_sync
MAINTAINERS: Add vfio debugfs interface doc link
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd updates from Jason Gunthorpe:
"This brings the first of three planned user IO page table invalidation
operations:
- IOMMU_HWPT_INVALIDATE allows invalidating the IOTLB integrated into
the iommu itself. The Intel implementation will also generate an
ATC invalidation to flush the device IOTLB as it unambiguously
knows the device, but other HW will not.
It goes along with the prior PR to implement userspace IO page tables
(aka nested translation for VMs) to allow Intel to have full
functionality for simple cases. An Intel implementation of the
operation is provided.
Also fix a small bug in the selftest mock iommu driver probe"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommufd/selftest: Check the bus type during probe
iommu/vt-d: Add iotlb flush for nested domain
iommufd: Add data structure for Intel VT-d stage-1 cache invalidation
iommufd/selftest: Add coverage for IOMMU_HWPT_INVALIDATE ioctl
iommufd/selftest: Add IOMMU_TEST_OP_MD_CHECK_IOTLB test op
iommufd/selftest: Add mock_domain_cache_invalidate_user support
iommu: Add iommu_copy_struct_from_user_array helper
iommufd: Add IOMMU_HWPT_INVALIDATE
iommu: Add cache_invalidate_user op
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
"Core changes:
- Fix race conditions in device probe path
- Retire IOMMU bus_ops
- Support for passing custom allocators to page table drivers
- Clean up Kconfig around IOMMU_SVA
- Support for sharing SVA domains with all devices bound to a mm
- Firmware data parsing cleanup
- Tracing improvements for iommu-dma code
- Some smaller fixes and cleanups
ARM-SMMU drivers:
- Device-tree binding updates:
- Add additional compatible strings for Qualcomm SoCs
- Document Adreno clocks for Qualcomm's SM8350 SoC
- SMMUv2:
- Implement support for the ->domain_alloc_paging() callback
- Ensure Secure context is restored following suspend of Qualcomm
SMMU implementation
- SMMUv3:
- Disable stalling mode for the "quiet" context descriptor
- Minor refactoring and driver cleanups
Intel VT-d driver:
- Cleanup and refactoring
AMD IOMMU driver:
- Improve IO TLB invalidation logic
- Small cleanups and improvements
Rockchip IOMMU driver:
- DT binding update to add Rockchip RK3588
Apple DART driver:
- Apple M1 USB4/Thunderbolt DART support
- Cleanups
Virtio IOMMU driver:
- Add support for iotlb_sync_map
- Enable deferred IO TLB flushes"
* tag 'iommu-updates-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (66 commits)
iommu: Don't reserve 0-length IOVA region
iommu/vt-d: Move inline helpers to header files
iommu/vt-d: Remove unused vcmd interfaces
iommu/vt-d: Remove unused parameter of intel_pasid_setup_pass_through()
iommu/vt-d: Refactor device_to_iommu() to retrieve iommu directly
iommu/sva: Fix memory leak in iommu_sva_bind_device()
dt-bindings: iommu: rockchip: Add Rockchip RK3588
iommu/dma: Trace bounce buffer usage when mapping buffers
iommu/arm-smmu: Convert to domain_alloc_paging()
iommu/arm-smmu: Pass arm_smmu_domain to internal functions
iommu/arm-smmu: Implement IOMMU_DOMAIN_BLOCKED
iommu/arm-smmu: Convert to a global static identity domain
iommu/arm-smmu: Reorganize arm_smmu_domain_add_master()
iommu/arm-smmu-v3: Remove ARM_SMMU_DOMAIN_NESTED
iommu/arm-smmu-v3: Master cannot be NULL in arm_smmu_write_strtab_ent()
iommu/arm-smmu-v3: Add a type for the STE
iommu/arm-smmu-v3: disable stall for quiet_cd
iommu/qcom: restore IOMMU state if needed
iommu/arm-smmu-qcom: Add QCM2290 MDSS compatible
iommu/arm-smmu-qcom: Add missing GMU entry to match table
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
Pull percpu updates from Dennis Zhou:
"Enable percpu page allocator for RISC-V.
There are RISC-V configurations with sparse NUMA configurations and
small vmalloc space causing dynamic percpu allocations to fail as the
backing chunk stride is too far apart"
* tag 'percpu-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
riscv: Enable pcpu page first chunk allocator
mm: Introduce flush_cache_vmap_early()
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull eventfs updates from Steven Rostedt:
- Remove "lookup" parameter of create_dir_dentry() and
create_file_dentry(). These functions were called by lookup and the
readdir logic, where readdir needed it to up the ref count of the
dentry but the lookup did not. A "lookup" parameter was passed in to
tell it what to do, but this complicated the code. It is better to
just always up the ref count and require the caller to decrement it,
even for lookup.
- Modify the .iterate_shared callback to not use the dcache_readdir()
logic and just handle what gets displayed by that one function. This
removes the need for eventfs to hijack the file->private_data from
the dcache_readdir() "cursor" pointer, and makes the code a bit more
sane
- Use the root and instance inodes for default ownership. Instead of
walking the dentry tree and updating each dentry gid, use the
getattr(), setattr() and permission() callbacks to set the ownership
and permissions using the root or instance as the default
- Some other optimizations with the eventfs iterate_shared logic
- Hard-code the inodes for eventfs to the same number for files, and
the same number for directories
- Have getdent() not create dentries/inodes in iterate_shared() as now
it has hard-coded inode numbers
- Use kcalloc() instead of kzalloc() on a list of elements
- Fix seq_buf warning and make static work properly.
* tag 'eventfs-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
seq_buf: Make DECLARE_SEQ_BUF() usable
eventfs: Use kcalloc() instead of kzalloc()
eventfs: Do not create dentries nor inodes in iterate_shared
eventfs: Have the inodes all for files and directories all be the same
eventfs: Shortcut eventfs_iterate() by skipping entries already read
eventfs: Read ei->entries before ei->children in eventfs_iterate()
eventfs: Do ctx->pos update for all iterations in eventfs_iterate()
eventfs: Have eventfs_iterate() stop immediately if ei->is_freed is set
tracefs/eventfs: Use root and instance inodes as default ownership
eventfs: Stop using dcache_readdir() for getdents()
eventfs: Remove "lookup" parameter from create_dir/file_dentry()
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing updates from Steven Rostedt:
- Allow kernel trace instance creation to specify what events are
created
Inside the kernel, a subsystem may create a tracing instance that it
can use to send events to user space. This sub-system may not care
about the thousands of events that exist in eventfs. Allow the
sub-system to specify what sub-systems of events it cares about, and
only those events are exposed to this instance.
- Allow the ring buffer to be broken up into bigger sub-buffers than
just the architecture page size.
A new tracefs file called "buffer_subbuf_size_kb" is created. The
user can now specify a minimum size the sub-buffer may be in
kilobytes. Note, that the implementation currently make the
sub-buffer size a power of 2 pages (1, 2, 4, 8, 16, ...) but the user
only writes in kilobyte size, and the sub-buffer will be updated to
the next size that it will can accommodate it. If the user writes in
10, it will change the size to be 4 pages on x86 (16K), as that is
the next available size that can hold 10K pages.
- Update the debug output when a corrupt time is detected in the ring
buffer. If the ring buffer detects inconsistent timestamps, there's a
debug config options that will dump the contents of the meta data of
the sub-buffer that is used for debugging. Add some more information
to this dump that helps with debugging.
- Add more timestamp debugging checks (only triggers when the config is
enabled)
- Increase the trace_seq iterator to 2 page sizes.
- Allow strings written into tracefs_marker to be larger. Up to just
under 2 page sizes (based on what trace_seq can hold).
- Increase the trace_maker_raw write to be as big as a sub-buffer can
hold.
- Remove 32 bit time stamp logic, now that the rb_time_cmpxchg() has
been removed.
- More selftests were added.
- Some code clean ups as well.
* tag 'trace-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (29 commits)
ring-buffer: Remove stale comment from ring_buffer_size()
tracing histograms: Simplify parse_actions() function
tracing/selftests: Remove exec permissions from trace_marker.tc test
ring-buffer: Use subbuf_order for buffer page masking
tracing: Update subbuffer with kilobytes not page order
ringbuffer/selftest: Add basic selftest to test changing subbuf order
ring-buffer: Add documentation on the buffer_subbuf_order file
ring-buffer: Just update the subbuffers when changing their allocation order
ring-buffer: Keep the same size when updating the order
tracing: Stop the tracing while changing the ring buffer subbuf size
tracing: Update snapshot order along with main buffer order
ring-buffer: Make sure the spare sub buffer used for reads has same size
ring-buffer: Do no swap cpu buffers if order is different
ring-buffer: Clear pages on error in ring_buffer_subbuf_order_set() failure
ring-buffer: Read and write to ring buffers with custom sub buffer size
ring-buffer: Set new size of the ring buffer sub page
ring-buffer: Add interface for configuring trace sub buffer size
ring-buffer: Page size per ring buffer
ring-buffer: Have ring_buffer_print_page_header() be able to access ring_buffer_iter
ring-buffer: Check if absolute timestamp goes backwards
...
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes update from Masami Hiramatsu:
- Update the Kprobes trace event to show the actual function name in
notrace-symbol warning.
Instead of using the user specified symbol name, use "%ps" printk
format to show the actual symbol at the probe address. Since kprobe
event accepts the offset from symbol which is bigger than the symbol
size, the user specified symbol may not be the actual probed symbol.
* tag 'probes-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
trace/kprobe: Display the actual notrace function when rejecting a probe
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Alexander Gordeev:
- do not enable by default the support of 31-bit Enterprise Systems
Architecture (ESA) ELF binaries
- drop automatic CONFIG_KEXEC selection, while set CONFIG_KEXEC=y
explicitly for defconfig and debug_defconfig only
- fix zpci_get_max_io_size() to allow PCI block stores where normal PCI
stores were used otherwise
- remove unneeded tsk variable in do_exception() fault handler
- __load_fpu_regs() is only called from the core kernel code.
Therefore, remove not needed EXPORT_SYMBOL.
- remove leftover comment from s390_fpregs_set() callback
- few cleanups to Processor Activity Instrumentation (PAI) code (which
perf framework is based on)
- replace Wenjia Zhang with Thorsten Winkler as s390 Inter-User
Communication Vehicle (IUCV) networking maintainer
- Fix all scenarios where queues previously removed from a guest's
Adjunct-Processor (AP) configuration do not re-appear in a reset
state when they are subsequently made available to a guest again
* tag 's390-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/vfio-ap: do not reset queue removed from host config
s390/vfio-ap: reset queues associated with adapter for queue unbound from driver
s390/vfio-ap: reset queues filtered from the guest's AP config
s390/vfio-ap: let on_scan_complete() callback filter matrix and update guest's APCB
s390/vfio-ap: loop over the shadow APCB when filtering guest's AP configuration
s390/vfio-ap: always filter entire AP matrix
s390/net: add Thorsten Winkler as maintainer
s390/pai_ext: split function paiext_push_sample
s390/pai_ext: rework function paiext_copy argments
s390/pai: rework paiXXX_start and paiXXX_stop functions
s390/pai_crypto: split function paicrypt_push_sample
s390/pai: rework paixxxx_getctr interface
s390/ptrace: remove leftover comment
s390/fpu: remove __load_fpu_regs() export
s390/mm,fault: remove not needed tsk variable
s390/pci: fix max size calculation in zpci_memcpy_toio()
s390/kexec: do not automatically select KEXEC option
s390/compat: change default for CONFIG_COMPAT to "n"
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 TDX updates from Dave Hansen:
"This contains the initial support for host-side TDX support so that
KVM can run TDX-protected guests. This does not include the actual
KVM-side support which will come from the KVM folks. The TDX host
interactions with kexec also needs to be ironed out before this is
ready for prime time, so this code is currently Kconfig'd off when
kexec is on.
The majority of the code here is the kernel telling the TDX module
which memory to protect and handing some additional memory over to it
to use to store TDX module metadata. That sounds pretty simple, but
the TDX architecture is rather flexible and it takes quite a bit of
back-and-forth to say, "just protect all memory, please."
There is also some code tacked on near the end of the series to handle
a hardware erratum. The erratum can make software bugs such as a
kernel write to TDX-protected memory cause a machine check and
masquerade as a real hardware failure. The erratum handling watches
out for these and tries to provide nicer user errors"
* tag 'x86_tdx_for_6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
x86/virt/tdx: Make TDX host depend on X86_MCE
x86/virt/tdx: Disable TDX host support when kexec is enabled
Documentation/x86: Add documentation for TDX host support
x86/mce: Differentiate real hardware #MCs from TDX erratum ones
x86/cpu: Detect TDX partial write machine check erratum
x86/virt/tdx: Handle TDX interaction with sleep and hibernation
x86/virt/tdx: Initialize all TDMRs
x86/virt/tdx: Configure global KeyID on all packages
x86/virt/tdx: Configure TDX module with the TDMRs and global KeyID
x86/virt/tdx: Designate reserved areas for all TDMRs
x86/virt/tdx: Allocate and set up PAMTs for TDMRs
x86/virt/tdx: Fill out TDMRs to cover all TDX memory regions
x86/virt/tdx: Add placeholder to construct TDMRs to cover all TDX memory regions
x86/virt/tdx: Get module global metadata for module initialization
x86/virt/tdx: Use all system memory when initializing TDX module as TDX memory
x86/virt/tdx: Add skeleton to enable TDX on demand
x86/virt/tdx: Add SEAMCALL error printing for module initialization
x86/virt/tdx: Handle SEAMCALL no entropy error in common code
x86/virt/tdx: Make INTEL_TDX_HOST depend on X86_X2APIC
x86/virt/tdx: Define TDX supported page sizes as macros
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 SGX updates from Dave Hansen:
"This time, these are entirely confined to SGX selftests fixes.
The mini SGX enclave built by the selftests has garnered some
attention because it stands alone and does not need the sizable
infrastructure of the official SGX SDK. I think that's why folks are
suddently interested in cleaning it up.
- Clean up selftest compilation issues, mostly from non-gcc compilers
- Avoid building selftests when not on x86"
* tag 'x86_sgx_for_6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftests/sgx: Skip non X86_64 platform
selftests/sgx: Remove incomplete ABI sanitization code in test enclave
selftests/sgx: Discard unsupported ELF sections
selftests/sgx: Ensure expected location of test enclave buffer
selftests/sgx: Ensure test enclave buffer is entirely preserved
selftests/sgx: Fix linker script asserts
selftests/sgx: Handle relocations in test enclave
selftests/sgx: Produce static-pie executable for test enclave
selftests/sgx: Remove redundant enclave base address save/restore
selftests/sgx: Specify freestanding environment for enclave compilation
selftests/sgx: Separate linker options
selftests/sgx: Include memory clobber for inline asm in test enclave
selftests/sgx: Fix uninitialized pointer dereferences in encl_get_entry
selftests/sgx: Fix uninitialized pointer dereference in error path
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git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following batch contains Netfilter fixes for net. Slightly larger
than usual because this batch includes several patches to tighten the
nf_tables control plane to reject inconsistent configuration:
1) Restrict NFTA_SET_POLICY to NFT_SET_POL_PERFORMANCE and
NFT_SET_POL_MEMORY.
2) Bail out if a nf_tables expression registers more than 16 netlink
attributes which is what struct nft_expr_info allows.
3) Bail out if NFT_EXPR_STATEFUL provides no .clone interface, remove
existing fallback to memcpy() when cloning which might accidentally
duplicate memory reference to the same object.
4) Fix br_netfilter interaction with neighbour layer. This requires
three preparation patches:
- Use nf_bridge_get_physinif() in nfnetlink_log
- Use nf_bridge_info_exists() to check in br_netfilter context
is available in nf_queue.
- Pass net to nf_bridge_get_physindev()
And finally, the fix which replaces physindev with physinif
in nf_bridge_info.
Patches from Pavel Tikhomirov.
5) Catch-all deactivation happens in the transaction, hence this
oneliner to check for the next generation. This bug uncovered after
the removal of the _BUSY bit, which happened in set elements back in
summer 2023.
6) Ensure set (total) key length size and concat field length description
is consistent, otherwise bail out.
7) Skip set element with the _DEAD flag on from the netlink dump path.
A tests occasionally shows that dump is mismatching because GC might
lose race to get rid of this element while a netlink dump is in
progress.
8) Reject NFT_SET_CONCAT for field_count < 1.
9) Use IP6_INC_STATS in ipvs to fix preemption BUG splat, patch
from Fedor Pchelkin.
* tag 'nf-24-01-18' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
ipvs: avoid stat macros calls from preemptible context
netfilter: nf_tables: reject NFT_SET_CONCAT with not field length description
netfilter: nf_tables: skip dead set elements in netlink dump
netfilter: nf_tables: do not allow mismatch field size and set key length
netfilter: nf_tables: check if catch-all set element is active in next generation
netfilter: bridge: replace physindev with physinif in nf_bridge_info
netfilter: propagate net to nf_bridge_get_physindev
netfilter: nf_queue: remove excess nf_bridge variable
netfilter: nfnetlink_log: use proper helper for fetching physinif
netfilter: nft_limit: do not ignore unsupported flags
netfilter: nf_tables: bail out if stateful expression provides no .clone
netfilter: nf_tables: validate .maxattr at expression registration
netfilter: nf_tables: reject invalid set policy
====================
Link: https://lore.kernel.org/r/20240118161726.14838-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Renesas is solely funding my I2C maintenance meanwhile, give them credit
for that by using this email address.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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The stm32mp25 has only a single interrupt line used for both
events and errors. In order to cope with that, reorganise the
error handling code so that it can be called either from the
common handler (used in case of SoC having only a single IT line)
and the error handler for others.
The CR1 register also embeds a new FMP bit, necessary when running
at Fast Mode Plus frequency. This bit should be used instead of
the SYSCFG bit used on other platforms.
Add a new compatible to distinguish between the SoCs and two
boolean within the setup structure in order to know if the
platform has a single/multiple IT lines and if the FMP bit
within CR1 is available or not.
Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Move readl_relaxed of I2C_ISR register at beginning of event isr
so that it done once for both master & slave handling.
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Add a new compatible st,stm32mp25-i2c for the STM32MP25 series which
has only one interrupt line for both events and errors and differs in
term of handling of FastModePlus.
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Avoid usage of __func__ when reporting an error message
since dev_err/dev_dbg are already providing enough details
to identify the source of the message.
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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The irq handling is currently split between the irq handler
and the threaded irq handler. Some of the handling (such as
dma related stuffs) done within the irq handler might sleep or
take some time leading to issues if the kernel is built with
realtime constraints. In order to fix that, perform an overall
rework to perform most of the job within the threaded handler
and only keep fifo access in the non threaded handler.
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Convert error handling upon calls of devm_request_irq functions during
the probe of the driver.
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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On the Dell XPS 15 7590/0VYV0G, BIOS 1.24.0 09/11/2023, Linux prints the
warning below.
i801_smbus 0000:00:1f.4: Accelerometer lis3lv02d is present on SMBus but its address is unknown, skipping registration
Following the same suggestions by Wolfram Sang as for the Dell Precision
3540 [1], the accelerometer can be successfully found on I2C bus 2 at
address 0x29.
$ echo lis3lv02d 0x29 | sudo tee /sys/bus/i2c/devices/i2c-2/new_device
lis3lv02d 0x29
$ dmesg | tail -5
[ 549.522876] lis3lv02d_i2c 2-0029: supply Vdd not found, using dummy regulator
[ 549.522904] lis3lv02d_i2c 2-0029: supply Vdd_IO not found, using dummy regulator
[ 549.542486] lis3lv02d: 8 bits 3DC sensor found
[ 549.630022] input: ST LIS3LV02DL Accelerometer as /devices/platform/lis3lv02d/input/input35
[ 549.630586] i2c i2c-2: new_device: Instantiated device lis3lv02d at 0x29
So, the device has that accelerometer. Add the I2C address to the
mapping list, and test it successfully on the device.
[1]: https://lore.kernel.org/linux-i2c/97708c11-ac85-fb62-2c8e-d37739ca826f@molgen.mpg.de/
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Acked-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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On the Dell Precision 3540/0M14W7, BIOS 1.7.4 05/12/2020, Linux prints
the warning below.
i801_smbus 0000:00:1f.4: Accelerometer lis3lv02d is present on SMBus but its address is unknown, skipping registration
With the help of Wolfram Sang, the test to probe it on I2C bus 6 at address
0x29 was successful.
$ echo lis3lv02d 0x29 | sudo tee /sys/bus/i2c/devices/i2c-6/new_device
[ 2110.787000] i2c i2c-6: new_device: Instantiated device lis3lv02d at 0x29
[ 2110.791932] lis3lv02d_i2c 6-0029: supply Vdd not found, using dummy regulator
[ 2110.791981] lis3lv02d_i2c 6-0029: supply Vdd_IO not found, using dummy regulator
[ 2110.809233] lis3lv02d: 8 bits 3DC sensor found
[ 2110.900668] input: ST LIS3LV02DL Accelerometer as /devices/platform/lis3lv02d/input/input23
So, the device has that accelerometer. Add the I2C address to the
mapping list.
Link: https://lore.kernel.org/linux-i2c/97708c11-ac85-fb62-2c8e-d37739ca826f@molgen.mpg.de/
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Acked-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
[wsa: shortened commit message a little]
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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These Settings for the same register, REG_CR,
can be put together to reduce code redundancy.
Signed-off-by: Hans Hu <hanshu-oc@zhaoxin.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Use more appropriate parameter passing to reduce the amount of code
Signed-off-by: Hans Hu <hanshu-oc@zhaoxin.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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The frequency setting mode is adjusted to reduce the code redundancy,
and it is also convenient to share with zhaoxin
Signed-off-by: Hans Hu <hanshu-oc@zhaoxin.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Put the handling of interrupt events in a function class
to reduce code redundancy.
Signed-off-by: Hans Hu <hanshu-oc@zhaoxin.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Put wmt_i2c_wait_bus_not_busy() in a more appropriate place
to reduce code redundancy
Signed-off-by: Hans Hu <hanshu-oc@zhaoxin.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Legacy class-based device auto-detection shouldn't be used in new code.
Therefore remove support in i2c-mux-reg as long as we don't have a
user of this feature yet.
Link: https://lore.kernel.org/linux-i2c/a22978a4-88e4-46f4-b71c-032b22321599@gmail.com/
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Now that the driver core can properly handle constant struct bus_type,
move the i2c_bus_type variable to be a constant structure as well, placing
it into read-only memory which can not be modified at runtime.
Note, the sound/soc/rockchip/rk3399_gru_sound.c also needed tweaking as
it decided to save off a pointer to a bus type for internal stuff, and
it was using the i2c_bus_type as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Add compatible for ROHM Semiconductor BR24G04 EEPROMs.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Roland Hieber <rhi@pengutronix.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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This driver does not depend on CONFIG_OF so using of_match_ptr() makes
sense to reduce the size a bit.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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sparse reports an error on some data that gets converted from be32.
That's because that data is typed u32 instead of __be32.
The type is correct, the be32_to_cpu() conversion is not.
Remove the conversion.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312042210.QL4DA8Av-lkp@intel.com/
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Acked-By: Jochen Friedrich <jochen@scram.de>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Both i2c_generic_scl_recovery() and the debug output indicate that SDA is
purely optional for bus recovery. But devm_gpiod_get() never returns NULL
making it mandatory. Fix this by calling devm_gpiod_get_optional instead.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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I originally restricted i2c_register_spd() to only support systems
with up to 4 memory slots, so that we can experiment with it on
a limited numbers of systems. It's been more than 3 years and it
seems to work just fine, so the time has come to lift this arbitrary
limitation.
The maximum number of memory slots which can be connected to a single
I2C segment is 8, so support that many SPD EEPROMs. Any system with
more than 8 memory slots would have either multiple SMBus channels
or SMBus multiplexing, so it would need dedicated care. We'll get to
that later as needed.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Rockchip RV1126 is using old style i2c controller, the i2c2
bus uses a non-sequential offset in the grf register for the
mask/value bits for this bus.
This patch fixes i2c2 bus on rv1126 SoCs.
Signed-off-by: Tim Lunn <tim@feathertop.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Add support for atomic transfers using polling mode with interrupts
intentionally disabled to get rid of the following warning introduced by
commit 63b96983a5dd ("i2c: core: introduce callbacks for atomic
transfers") during system reboot and power-off:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1518 at drivers/i2c/i2c-core.h:40 i2c_transfer+0xe8/0xf4
No atomic I2C transfer handler for 'i2c-0'
...
---[ end trace 0000000000000000 ]---
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Chanho Park <chanho61.park@samsung.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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