Convert mvneta to use phylink_generic_validate() for the bulk of its
validate() implementation. This network adapter has a restriction
that for 802.3z links, autonegotiation must be enabled.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a generic validate() implementation using the supported_interfaces
and a bitmask of MAC pause/speed/duplex capabilities. This allows us
to entirely eliminate many driver private validate() implementations.
We expose the underlying phylink_get_linkmodes() function so that
drivers which have special needs can still benefit from conversion.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the macro 'swap()' defined in 'include/linux/minmax.h' to avoid
opencoding it.
Signed-off-by: Yihao Han <hanyihao@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ARRAY_SIZE defined in <linux/kernel.h> is safer than self-defined
macros to get size of an array such as ARRAY_LEN used here. Because
ARRAY_SIZE uses __must_be_array(arr) to ensure arr is really an array.
Reported-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On low-effciency embedded platforms, transmission performance is poor
due to on Bulk-out with single packet.
Adding TSO feature improves the transmission performance and reduces
the number of interrupt caused by Bulk-out complete.
Reference to module, net: usb: aqc111.
Signed-off-by: Jacky Chou <jackychou@asix.com.tw>
Signed-off-by: David S. Miller <davem@davemloft.net>
Matt Johnston says:
====================
MCTP I2C driver
This patch series adds a netdev driver providing MCTP transport over
I2C.
It applies against net-next using recent MCTP changes there, though also
has I2C core changes for review. I'll leave it to maintainers where it
should be applied - please let me know if it needs to be submitted
differently.
The I2C patches were previously sent as RFC though the only feedback
there was an ack to 255 bytes for aspeed.
The dt-bindings patch went through review on the list.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Provides MCTP network transport over an I2C bus, as specified in
DMTF DSP0237. All messages between nodes are sent as SMBus Block Writes.
Each I2C bus to be used for MCTP is flagged in devicetree by a
'mctp-controller' property on the bus node. Each flagged bus gets a
mctpi2cX net device created based on the bus number. A
'mctp-i2c-controller' I2C client needs to be added under the adapter. In
an I2C mux situation the mctp-i2c-controller node must be attached only
to the root I2C bus. The I2C client will handle incoming I2C slave block
write data for subordinate busses as well as its own bus.
In configurations without devicetree a driver instance can be attached
to a bus using the I2C slave new_device mechanism.
The MCTP core will hold/release the MCTP I2C device while responses
are pending (a 6 second timeout or once a socket is closed, response
received etc). While held the MCTP I2C driver will lock the I2C bus so
that the correct I2C mux remains selected while responses are received.
(Ideally we would just lock the mux to keep the current bus selected for
the response rather than a full I2C bus lock, but that isn't exposed in
the I2C mux API)
This driver requires I2C adapters that allow 255 byte transfers
(SMBus 3.0) as the specification requires a minimum MTU of 68 bytes.
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Used to define a local endpoint to communicate with MCTP peripherals
attached to an I2C bus. This I2C endpoint can communicate with remote
MCTP devices on the I2C bus.
In the example I2C topology below (matching the second yaml example) we
have MCTP devices on busses i2c1 and i2c6. MCTP-supporting busses are
indicated by the 'mctp-controller' DT property on an I2C bus node.
A mctp-i2c-controller I2C client DT node is placed at the top of the
mux topology, since only the root I2C adapter will support I2C slave
functionality.
.-------.
|eeprom |
.------------. .------. /'-------'
| adapter | | mux --@0,i2c5------'
| i2c1 ----.*| --@1,i2c6--.--.
|............| \'------' \ \ .........
| mctp-i2c- | \ \ \ .mctpB .
| controller | \ \ '.0x30 .
| | \ ......... \ '.......'
| 0x50 | \ .mctpA . \ .........
'------------' '.0x1d . '.mctpC .
'.......' '.0x31 .
'.......'
(mctpX boxes above are remote MCTP devices not included in the DT at
present, they can be hotplugged/probed at runtime. A DT binding for
specific fixed MCTP devices could be added later if required)
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
255 byte support has been tested on a npcm750 board
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Reviewed-by: Tali Perry <tali.perry1@gmail.com>
Reviewed-by: Patrick Venture <venture@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
255 byte transfers have been tested on an AST2500 board
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
I2C_SMBUS is limited to 32 bytes due to compatibility with the
32 byte i2c_smbus_data.block
I2C_RDWR allows larger transfers if sufficient sized buffers are passed.
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
SMBus 3.0 increased the maximum block transfer size from 32 bytes to
255 bytes. We increase the size of struct i2c_smbus_data's block[]
member.
i2c_smbus_xfer() and i2c_smbus_xfer_emulated() now support 255 byte
block operations, other block functions remain limited to 32 bytes for
compatibility with existing callers.
We allow adapters to indicate support for the larger size with
I2C_FUNC_SMBUS_V3_BLOCK. Most emulated drivers should be able to use 255
byte blocks by replacing I2C_SMBUS_BLOCK_MAX with I2C_SMBUS_V3_BLOCK_MAX
though some will have hardware limitations that need testing.
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
The 'inuse' bitmap is local to this function. So we can use the
non-atomic '__set_bit()' to save a few cycles.
While at it, also remove some useless {}.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixed comments to match description with variable names and
refactored code to match the convention as per [1].
To match the convention mapping is done as follows:
State 3 - LOST_IN_BURST_PERIOD
State 4 - LOST_IN_GAP_PERIOD
[1] S. Salsano, F. Ludovici, A. Ordine, "Definition of a general
and intuitive loss model for packet networks and its implementation
in the Netem module in the Linux kernel"
Fixes: a6e2fe17eb ("sch_netem: replace magic numbers with enumerate")
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
vsc73xx_remove() returns zero unconditionally and no caller checks the
returned value. So convert the function to return no value.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The previous stmmac_xdp_set_prog() implementation uses stmmac_release()
and stmmac_open() which tear down the PHY device and causes undesirable
autonegotiation which causes a delay whenever AFXDP ZC is setup.
This patch introduces two new functions that just sufficiently tear
down DMA descriptors, buffer, NAPI process, and IRQs and reestablish
them accordingly in both stmmac_xdp_release() and stammac_xdp_open().
As the results of this enhancement, we get rid of transient state
introduced by the link auto-negotiation:
$ ./xdpsock -i eth0 -t -z
sock0@eth0:0 txonly xdp-drv
pps pkts 1.00
rx 0 0
tx 634444 634560
sock0@eth0:0 txonly xdp-drv
pps pkts 1.00
rx 0 0
tx 632330 1267072
sock0@eth0:0 txonly xdp-drv
pps pkts 1.00
rx 0 0
tx 632438 1899584
sock0@eth0:0 txonly xdp-drv
pps pkts 1.00
rx 0 0
tx 632502 2532160
Reported-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Tested-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This statement is repeated with the initialization statement
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: luo penghao <luo.penghao@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
there is a same action when the variable is initialized
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: luo penghao <luo.penghao@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
The assignment in the if statement will be overwritten by the
following statement
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: luo penghao <luo.penghao@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull crypto fix from Herbert Xu:
"This fixes a boot crash regression"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: api - Fix boot-up crash when crypto manager is disabled
This series is all the stragglers that didn't quite make the first
merge window pull. It's mostly minor updates and bug fixes of merge
window code but it also has two driver updates: ufs and qla2xxx.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull more SCSI updates from James Bottomley:
"This series is all the stragglers that didn't quite make the first
merge window pull. It's mostly minor updates and bug fixes of merge
window code but it also has two driver updates: ufs and qla2xxx"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (46 commits)
scsi: scsi_debug: Don't call kcalloc() if size arg is zero
scsi: core: Remove command size deduction from scsi_setup_scsi_cmnd()
scsi: scsi_ioctl: Validate command size
scsi: ufs: ufshpb: Properly handle max-single-cmd
scsi: core: Avoid leaving shost->last_reset with stale value if EH does not run
scsi: bsg: Fix errno when scsi_bsg_register_queue() fails
scsi: sr: Remove duplicate assignment
scsi: ufs: ufs-exynos: Introduce ExynosAuto v9 virtual host
scsi: ufs: ufs-exynos: Multi-host configuration for ExynosAuto v9
scsi: ufs: ufs-exynos: Support ExynosAuto v9 UFS
scsi: ufs: ufs-exynos: Add pre/post_hce_enable drv callbacks
scsi: ufs: ufs-exynos: Factor out priv data init
scsi: ufs: ufs-exynos: Add EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR option
scsi: ufs: ufs-exynos: Support custom version of ufs_hba_variant_ops
scsi: ufs: ufs-exynos: Add setup_clocks callback
scsi: ufs: ufs-exynos: Add refclkout_stop control
scsi: ufs: ufs-exynos: Simplify drv_data retrieval
scsi: ufs: ufs-exynos: Change pclk available max value
scsi: ufs: Add quirk to enable host controller without PH configuration
scsi: ufs: Add quirk to handle broken UIC command
...
This set is mostly small fixes and cleanups, so more of a janitorial
update for this cycle.
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Merge tag 'pwm/for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This set is mostly small fixes and cleanups, so more of a janitorial
update for this cycle"
* tag 'pwm/for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: vt8500: Rename pwm_busy_wait() to make it obviously driver-specific
dt-bindings: pwm: tpu: Add R-Car M3-W+ device tree bindings
dt-bindings: pwm: tpu: Add R-Car V3U device tree bindings
pwm: pwm-samsung: Trigger manual update when disabling PWM
pwm: visconti: Simplify using devm_pwmchip_add()
pwm: samsung: Describe driver in Kconfig
pwm: Make it explicit that pwm_apply_state() might sleep
pwm: Add might_sleep() annotations for !CONFIG_PWM API functions
pwm: atmel: Drop unused header
A collection of fixes for 5.16-rc1, notably for a few regressions
that were found in 5.15 and pre-rc1.
- The revert of the unification of SG-buffer helper functions on
x86 and the relevant fix
- Regression fixes for mmap after the recent code refactoring
- Two NULL dereference fixes in HD-audio controller driver
- UAF fixes in ALSA timer core
- A few usual HD-audio and FireWire quirks
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Merge tag 'sound-fix-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of fixes for 5.16-rc1, notably for a few regressions that
were found in 5.15 and pre-rc1:
- revert of the unification of SG-buffer helper functions on x86 and
the relevant fix
- regression fixes for mmap after the recent code refactoring
- two NULL dereference fixes in HD-audio controller driver
- UAF fixes in ALSA timer core
- a few usual HD-audio and FireWire quirks"
* tag 'sound-fix-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: fireworks: add support for Loud Onyx 1200f quirk
ALSA: hda: fix general protection fault in azx_runtime_idle
ALSA: hda: Free card instance properly at probe errors
ALSA: hda/realtek: Add quirk for HP EliteBook 840 G7 mute LED
ALSA: memalloc: Remove a stale comment
ALSA: synth: missing check for possible NULL after the call to kstrdup
ALSA: memalloc: Use proper SG helpers for noncontig allocations
ALSA: pci: rme: Fix unaligned buffer addresses
ALSA: firewire-motu: add support for MOTU Track 16
ALSA: PCM: Fix NULL dereference at mmap checks
ALSA: hda/realtek: Add quirk for ASUS UX550VE
ALSA: timer: Unconditionally unlink slave instances, too
ALSA: memalloc: Catch call with NULL snd_dma_buffer pointer
Revert "ALSA: memalloc: Convert x86 SG-buffer handling with non-contiguous type"
ALSA: hda/realtek: Add a quirk for Acer Spin SP513-54N
ALSA: firewire-motu: add support for MOTU Traveler mk3
ALSA: hda/realtek: Headset fixup for Clevo NH77HJQ
ALSA: timer: Fix use-after-free problem
bridge:
- HPD improvments for lt9611uxc
- eDP aux-bus support for ps8640
- LVDS data-mapping selection support
ttm:
- remove huge page functionality (needs reworking)
- fix a race condition during BO eviction
panels:
- add some new panels
fbdev:
- fix double-free
- remove unused scrolling acceleration
- CONFIG_FB dep improvements
locking:
- improve contended locking logging
- naming collision fix
dma-buf:
- add dma_resv_for_each_fence iterator
- fix fence refcounting bug
- name locking fixesA
prime:
- fix object references during mmap
nouveau:
- various code style changes
- refcount fix
- device removal fixes
- protect client list with a mutex
- fix CE0 address calculation
i915:
- DP rates related fixes
- Revert disabling dual eDP that was causing state readout problems
- put the cdclk vtables in const data
- Fix DVO port type for older platforms
- Fix blankscreen by turning DP++ TMDS output buffers on encoder->shutdown
- CCS FBs related fixes
- Fix recursive lock in GuC submission
- Revert guc_id from i915_request tracepoint
- Build fix around dmabuf
amdgpu:
- GPU reset fix
- Aldebaran fix
- Yellow Carp fixes
- DCN2.1 DMCUB fix
- IOMMU regression fix for Picasso
- DSC display fixes
- BPC display calculation fixes
- Other misc display fixes
- Don't allow partial copy from user for DC debugfs
- SRIOV fixes
- GFX9 CSB pin count fix
- Various IP version check fixes
- DP 2.0 fixes
- Limit DCN1 MPO fix to DCN1
amdkfd:
- SVM fixes
- Fix gfx version for renoir
- Reset fixes
udl:
- timeout fix
imx:
- circular locking fix
virtio:
- NULL ptr deref fix
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Merge tag 'drm-next-2021-11-12' of git://anongit.freedesktop.org/drm/drm
Pull more drm updates from Dave Airlie:
"I missed a drm-misc-next pull for the main pull last week. It wasn't
that major and isn't the bulk of this at all. This has a bunch of
fixes all over, a lot for amdgpu and i915.
bridge:
- HPD improvments for lt9611uxc
- eDP aux-bus support for ps8640
- LVDS data-mapping selection support
ttm:
- remove huge page functionality (needs reworking)
- fix a race condition during BO eviction
panels:
- add some new panels
fbdev:
- fix double-free
- remove unused scrolling acceleration
- CONFIG_FB dep improvements
locking:
- improve contended locking logging
- naming collision fix
dma-buf:
- add dma_resv_for_each_fence iterator
- fix fence refcounting bug
- name locking fixesA
prime:
- fix object references during mmap
nouveau:
- various code style changes
- refcount fix
- device removal fixes
- protect client list with a mutex
- fix CE0 address calculation
i915:
- DP rates related fixes
- Revert disabling dual eDP that was causing state readout problems
- put the cdclk vtables in const data
- Fix DVO port type for older platforms
- Fix blankscreen by turning DP++ TMDS output buffers on encoder->shutdown
- CCS FBs related fixes
- Fix recursive lock in GuC submission
- Revert guc_id from i915_request tracepoint
- Build fix around dmabuf
amdgpu:
- GPU reset fix
- Aldebaran fix
- Yellow Carp fixes
- DCN2.1 DMCUB fix
- IOMMU regression fix for Picasso
- DSC display fixes
- BPC display calculation fixes
- Other misc display fixes
- Don't allow partial copy from user for DC debugfs
- SRIOV fixes
- GFX9 CSB pin count fix
- Various IP version check fixes
- DP 2.0 fixes
- Limit DCN1 MPO fix to DCN1
amdkfd:
- SVM fixes
- Fix gfx version for renoir
- Reset fixes
udl:
- timeout fix
imx:
- circular locking fix
virtio:
- NULL ptr deref fix"
* tag 'drm-next-2021-11-12' of git://anongit.freedesktop.org/drm/drm: (126 commits)
drm/ttm: Double check mem_type of BO while eviction
drm/amdgpu: add missed support for UVD IP_VERSION(3, 0, 64)
drm/amdgpu: drop jpeg IP initialization in SRIOV case
drm/amd/display: reject both non-zero src_x and src_y only for DCN1x
drm/amd/display: Add callbacks for DMUB HPD IRQ notifications
drm/amd/display: Don't lock connection_mutex for DMUB HPD
drm/amd/display: Add comment where CONFIG_DRM_AMD_DC_DCN macro ends
drm/amdkfd: Fix retry fault drain race conditions
drm/amdkfd: lower the VAs base offset to 8KB
drm/amd/display: fix exit from amdgpu_dm_atomic_check() abruptly
drm/amd/amdgpu: fix the kfd pre_reset sequence in sriov
drm/amdgpu: fix uvd crash on Polaris12 during driver unloading
drm/i915/adlp/fb: Prevent the mapping of redundant trailing padding NULL pages
drm/i915/fb: Fix rounding error in subsampled plane size calculation
drm/i915/hdmi: Turn DP++ TMDS output buffers back on in encoder->shutdown()
drm/locking: fix __stack_depot_* name conflict
drm/virtio: Fix NULL dereference error in virtio_gpu_poll
drm/amdgpu: fix SI handling in amdgpu_device_asic_has_dc_support()
drm/amdgpu: Fix dangling kfd_bo pointer for shared BOs
drm/amd/amdkfd: Don't sent command to HWS on kfd reset
...
Pull input updates from Dmitry Torokhov:
"Just one new driver (Cypress StreetFighter touchkey), and no input
core changes this time.
Plus various fixes and enhancements to existing drivers"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (54 commits)
Input: iforce - fix control-message timeout
Input: wacom_i2c - use macros for the bit masks
Input: ili210x - reduce sample period to 15ms
Input: ili210x - improve polled sample spacing
Input: ili210x - special case ili251x sample read out
Input: elantench - fix misreporting trackpoint coordinates
Input: synaptics-rmi4 - Fix device hierarchy
Input: i8042 - Add quirk for Fujitsu Lifebook T725
Input: cap11xx - add support for cap1206
Input: remove unused header <linux/input/cy8ctmg110_pdata.h>
Input: ili210x - add ili251x firmware update support
Input: ili210x - export ili251x version details via sysfs
Input: ili210x - use resolution from ili251x firmware
Input: pm8941-pwrkey - respect reboot_mode for warm reset
reboot: export symbol 'reboot_mode'
Input: max77693-haptic - drop unneeded MODULE_ALIAS
Input: cpcap-pwrbutton - do not set input parent explicitly
Input: max8925_onkey - don't mark comment as kernel-doc
Input: ads7846 - do not attempt IRQ workaround when deferring probe
Input: ads7846 - use input_set_capability()
...
Subsystem:
- Add new ioctl to get and set extra RTC parameters, this includes backup
switch mode
- Expose available features to userspace, in particular, when alarmas have a
resolution of one minute instead of a second.
- Let the core handle those alarms with a minute resolution
New driver:
- MSTAR MSC313 RTC
Drivers:
- Add SPI ID table where necessary
- Add BSM support for rv3028, rv3032 and pcf8523
- s3c: set RTC range
- rx8025: set range, implement .set_offset and .read_offset
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Merge tag 'rtc-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"This includes new ioctls to get and set parameters and in particular
the backup switch mode that is needed for some RTCs to actually enable
the backup voltage (and have a useful RTC).
The same interface can also be used to get the actual features
supported by the RTC so userspace has a better way than trying and
failing.
Summary:
Subsystem:
- Add new ioctl to get and set extra RTC parameters, this includes
backup switch mode
- Expose available features to userspace, in particular, when alarmas
have a resolution of one minute instead of a second.
- Let the core handle those alarms with a minute resolution
New driver:
- MSTAR MSC313 RTC
Drivers:
- Add SPI ID table where necessary
- Add BSM support for rv3028, rv3032 and pcf8523
- s3c: set RTC range
- rx8025: set range, implement .set_offset and .read_offset"
* tag 'rtc-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (50 commits)
rtc: rx8025: use .set_offset/.read_offset
rtc: rx8025: use rtc_add_group
rtc: rx8025: clear RTC_FEATURE_ALARM when alarm are not supported
rtc: rx8025: set range
rtc: rx8025: let the core handle the alarm resolution
rtc: rx8025: switch to devm_rtc_allocate_device
rtc: ab8500: let the core handle the alarm resolution
rtc: ab-eoz9: support UIE when available
rtc: ab-eoz9: use RTC_FEATURE_UPDATE_INTERRUPT
rtc: rv3032: let the core handle the alarm resolution
rtc: s35390a: let the core handle the alarm resolution
rtc: handle alarms with a minute resolution
rtc: pcf85063: silence cppcheck warning
rtc: rv8803: fix writing back ctrl in flag register
rtc: s3c: Add time range
rtc: s3c: Extract read/write IO into separate functions
rtc: s3c: Remove usage of devm_rtc_device_register()
rtc: tps80031: Remove driver
rtc: sun6i: Allow probing without an early clock provider
rtc: pcf8523: add BSM support
...
Second round of updates for libata for 5.16:
* Fix READ LOG EXT and READ LOG DMA EXT command timeouts during disk
revalidation after a resume or a modprobe of the LLDD (from me).
* Remove unnecessary error message in sata_highbank driver (from Xu).
* Better handling of accesses to the IDENTIFY DEVICE data log for drives
that do not support this log page (from me).
* Fix ahci_shost_attr_group declaration in ahci driver (from me).
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Merge tag 'libata-5.16-rc1-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull more libata updates from Damien Le Moal:
"Second round of updates for libata for 5.16:
- Fix READ LOG EXT and READ LOG DMA EXT command timeouts during disk
revalidation after a resume or a modprobe of the LLDD (me)
- Remove unnecessary error message in sata_highbank driver (Xu)
- Better handling of accesses to the IDENTIFY DEVICE data log for
drives that do not support this log page (me)
- Fix ahci_shost_attr_group declaration in ahci driver (me)"
* tag 'libata-5.16-rc1-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
libata: libahci: declare ahci_shost_attr_group as static
libata: add horkage for missing Identify Device log
ata: sata_highbank: Remove unnecessary print function dev_err()
libata: fix read log timeout value
TL;DR: While a tool like liblockdep is useful, it probably doesn't
belong within the kernel tree.
liblockdep attempts to reuse kernel code both directly (by directly
building the kernel's lockdep code) as well as indirectly (by using
sanitized headers). This makes liblockdep an integral part of the
kernel.
It also makes liblockdep quite unique: while other userspace code might
use sanitized headers, it generally doesn't attempt to use kernel code
directly which means that changes on the kernel side of things don't
affect (and break) it directly.
All our workflows and tooling around liblockdep don't support this
uniqueness. Changes that go into the kernel code aren't validated to not
break in-tree userspace code.
liblockdep ended up being very fragile, breaking over and over, to the
point that living in the same tree as the lockdep code lost most of it's
value.
liblockdep should continue living in an external tree, syncing with
the kernel often, in a controllable way.
Signed-off-by: Sasha Levin <sashal@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit aeb58c860d ("thermal/drivers/int340x: processor_thermal: Suppot
64 bit RFIM responses") started using 'readq()' to read 64-bit status
responses from the int340x hardware.
That's all fine and good, but on 32-bit targets a 64-bit 'readq()' is
ambiguous, since it's no longer an atomic access. Some hardware might
require 64-bit accesses, and other hardware might want low word first or
high word first.
It's quite likely that the driver isn't relevant in a 32-bit environment
any more, and there's a patch floating around to just make it depend on
X86_64, but let's make it buildable on x86-32 anyway.
The driver previously just read the low 32 bits, so the hardware
certainly is ok with 32-bit reads, and in a little-endian environment
the low word first model is the natural one.
So just add the include for the 'io-64-nonatomic-lo-hi.h' version.
Fixes: aeb58c860d ("thermal/drivers/int340x: processor_thermal: Suppot 64 bit RFIM responses")
Reported-by: Jakub Kicinski <kuba@kernel.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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BackMerge tag 'v5.15' into drm-next
I got a drm-fixes which had some 5.15 stuff in it, so to avoid
the mess just backmerge here.
Linux 5.15
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Merge tag 'pci-v5.16-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"Revert conversion to struct device.driver instead of struct
pci_dev.driver.
The device.driver is set earlier, and using it caused the PCI core to
call driver PM entry points before .probe() and after .remove(), when
the driver isn't prepared.
This caused NULL pointer dereferences in i2c_designware_pci and
probably other driver issues"
* tag 'pci-v5.16-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
Revert "PCI: Use to_pci_driver() instead of pci_dev->driver"
Revert "PCI: Remove struct pci_dev->driver"
ahci_shost_attr_group is referenced only in drivers/ata/libahci.c.
Declare it as static.
Fixes: c3f69c7f62 ("scsi: ata: Switch to attribute groups")
Cc: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
ACS-3 introduced the ATA Identify Device Data log as mandatory. A
warning message currently signals to the user if a device does not
report supporting this log page in the log directory page, regardless
of the ATA version of the device. Furthermore, this warning will appear
for all attempts at accessing this missing log page during device
revalidation.
Since it is useless to constantly access the log directory and warn
about this lack of support once we have discovered that the device
does not support this log page, introduce the horkage flag
ATA_HORKAGE_NO_ID_DEV_LOG to mark a device as lacking support for
the Identify Device Data log page. Set this flag when
ata_log_supported() returns false in ata_identify_page_supported().
The warning is printed only if the device ATA level is 10 or above
(ACS-3 or above), and only once on device scan. With this flag set, the
log directory page is not accessed again to test for Identify Device
Data log page support.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
This series contains initialization fixups, testing improvements, addition
of instruction pointer to data-race reports, and scoped data-race checks.
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Merge tag 'kcsan.2021.11.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull KCSAN updates from Paul McKenney:
"This contains initialization fixups, testing improvements, addition of
instruction pointer to data-race reports, and scoped data-race checks"
* tag 'kcsan.2021.11.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
kcsan: selftest: Cleanup and add missing __init
kcsan: Move ctx to start of argument list
kcsan: Support reporting scoped read-write access type
kcsan: Start stack trace with explicit location if provided
kcsan: Save instruction pointer for scoped accesses
kcsan: Add ability to pass instruction pointer of access to reporting
kcsan: test: Fix flaky test case
kcsan: test: Use kunit_skip() to skip tests
kcsan: test: Defer kcsan_test_init() after kunit initialization
Merge more updates from Andrew Morton:
"The post-linux-next material.
7 patches.
Subsystems affected by this patch series (all mm): debug,
slab-generic, migration, memcg, and kasan"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
kasan: add kasan mode messages when kasan init
mm: unexport {,un}lock_page_memcg
mm: unexport folio_memcg_{,un}lock
mm/migrate.c: remove MIGRATE_PFN_LOCKED
mm: migrate: simplify the file-backed pages validation when migrating its mapping
mm: allow only SLUB on PREEMPT_RT
mm/page_owner.c: modify the type of argument "order" in some functions
. remove unused CONFIG_MCPU32 symbol
. default CONFIG_MEMORY_RESERVE value (for scripting)
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Merge tag 'm68knommu-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu updates from Greg Ungerer:
"Only two changes.
One removes the now unused CONFIG_MCPU32 symbol. The other sets a
default for the CONFIG_MEMORY_RESERVE config symbol (this aids
scripting and other automation) so you don't interactively get asked
for a value at configure time.
Summary:
- remove unused CONFIG_MCPU32 symbol
- default CONFIG_MEMORY_RESERVE value (for scripting)"
* tag 'm68knommu-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68knommu: Remove MCPU32 config symbol
m68k: set a default value for MEMORY_RESERVE
This reverts commit 2a4d9408c9.
Robert reported a NULL pointer dereference caused by the PCI core
(local_pci_probe()) calling the i2c_designware_pci driver's
.runtime_resume() method before the .probe() method. i2c_dw_pci_resume()
depends on initialization done by i2c_dw_pci_probe().
Prior to 2a4d9408c9 ("PCI: Use to_pci_driver() instead of
pci_dev->driver"), pci_pm_runtime_resume() avoided calling the
.runtime_resume() method because pci_dev->driver had not been set yet.
2a4d9408c9 and b5f9c644eb ("PCI: Remove struct pci_dev->driver"),
removed pci_dev->driver, replacing it by device->driver, which *has* been
set by this time, so pci_pm_runtime_resume() called the .runtime_resume()
method when it previously had not.
Fixes: 2a4d9408c9 ("PCI: Use to_pci_driver() instead of pci_dev->driver")
Link: https://lore.kernel.org/linux-i2c/CAP145pgdrdiMAT7=-iB1DMgA7t_bMqTcJL4N0=6u8kNY3EU0dw@mail.gmail.com/
Reported-by: Robert Święcki <robert@swiecki.net>
Tested-by: Robert Święcki <robert@swiecki.net>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This reverts commit b5f9c644eb.
Revert b5f9c644eb ("PCI: Remove struct pci_dev->driver"), which is needed
to revert 2a4d9408c9 ("PCI: Use to_pci_driver() instead of
pci_dev->driver").
2a4d9408c9 caused a NULL pointer dereference reported by Robert Święcki.
Details in the revert of that commit.
Fixes: 2a4d9408c9 ("PCI: Use to_pci_driver() instead of pci_dev->driver")
Link: https://lore.kernel.org/linux-i2c/CAP145pgdrdiMAT7=-iB1DMgA7t_bMqTcJL4N0=6u8kNY3EU0dw@mail.gmail.com/
Reported-by: Robert Święcki <robert@swiecki.net>
Tested-by: Robert Święcki <robert@swiecki.net>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
and netfilter.
Current release - regressions:
- bpf: do not reject when the stack read size is different
from the tracked scalar size
- net: fix premature exit from NAPI state polling in napi_disable()
- riscv, bpf: fix RV32 broken build, and silence RV64 warning
Current release - new code bugs:
- net: fix possible NULL deref in sock_reserve_memory
- amt: fix error return code in amt_init(); fix stopping the workqueue
- ax88796c: use the correct ioctl callback
Previous releases - always broken:
- bpf: stop caching subprog index in the bpf_pseudo_func insn
- security: fixups for the security hooks in sctp
- nfc: add necessary privilege flags in netlink layer, limit operations
to admin only
- vsock: prevent unnecessary refcnt inc for non-blocking connect
- net/smc: fix sk_refcnt underflow on link down and fallback
- nfnetlink_queue: fix OOB when mac header was cleared
- can: j1939: ignore invalid messages per standard
- bpf, sockmap:
- fix race in ingress receive verdict with redirect to self
- fix incorrect sk_skb data_end access when src_reg = dst_reg
- strparser, and tls are reusing qdisc_skb_cb and colliding
- ethtool: fix ethtool msg len calculation for pause stats
- vlan: fix a UAF in vlan_dev_real_dev() when ref-holder tries
to access an unregistering real_dev
- udp6: make encap_rcv() bump the v6 not v4 stats
- drv: prestera: add explicit padding to fix m68k build
- drv: felix: fix broken VLAN-tagged PTP under VLAN-aware bridge
- drv: mvpp2: fix wrong SerDes reconfiguration order
Misc & small latecomers:
- ipvs: auto-load ipvs on genl access
- mctp: sanity check the struct sockaddr_mctp padding fields
- libfs: support RENAME_EXCHANGE in simple_rename()
- avoid double accounting for pure zerocopy skbs
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf, can and netfilter.
Current release - regressions:
- bpf: do not reject when the stack read size is different from the
tracked scalar size
- net: fix premature exit from NAPI state polling in napi_disable()
- riscv, bpf: fix RV32 broken build, and silence RV64 warning
Current release - new code bugs:
- net: fix possible NULL deref in sock_reserve_memory
- amt: fix error return code in amt_init(); fix stopping the
workqueue
- ax88796c: use the correct ioctl callback
Previous releases - always broken:
- bpf: stop caching subprog index in the bpf_pseudo_func insn
- security: fixups for the security hooks in sctp
- nfc: add necessary privilege flags in netlink layer, limit
operations to admin only
- vsock: prevent unnecessary refcnt inc for non-blocking connect
- net/smc: fix sk_refcnt underflow on link down and fallback
- nfnetlink_queue: fix OOB when mac header was cleared
- can: j1939: ignore invalid messages per standard
- bpf, sockmap:
- fix race in ingress receive verdict with redirect to self
- fix incorrect sk_skb data_end access when src_reg = dst_reg
- strparser, and tls are reusing qdisc_skb_cb and colliding
- ethtool: fix ethtool msg len calculation for pause stats
- vlan: fix a UAF in vlan_dev_real_dev() when ref-holder tries to
access an unregistering real_dev
- udp6: make encap_rcv() bump the v6 not v4 stats
- drv: prestera: add explicit padding to fix m68k build
- drv: felix: fix broken VLAN-tagged PTP under VLAN-aware bridge
- drv: mvpp2: fix wrong SerDes reconfiguration order
Misc & small latecomers:
- ipvs: auto-load ipvs on genl access
- mctp: sanity check the struct sockaddr_mctp padding fields
- libfs: support RENAME_EXCHANGE in simple_rename()
- avoid double accounting for pure zerocopy skbs"
* tag 'net-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (123 commits)
selftests/net: udpgso_bench_rx: fix port argument
net: wwan: iosm: fix compilation warning
cxgb4: fix eeprom len when diagnostics not implemented
net: fix premature exit from NAPI state polling in napi_disable()
net/smc: fix sk_refcnt underflow on linkdown and fallback
net/mlx5: Lag, fix a potential Oops with mlx5_lag_create_definer()
gve: fix unmatched u64_stats_update_end()
net: ethernet: lantiq_etop: Fix compilation error
selftests: forwarding: Fix packet matching in mirroring selftests
vsock: prevent unnecessary refcnt inc for nonblocking connect
net: marvell: mvpp2: Fix wrong SerDes reconfiguration order
net: ethernet: ti: cpsw_ale: Fix access to un-initialized memory
net: stmmac: allow a tc-taprio base-time of zero
selftests: net: test_vxlan_under_vrf: fix HV connectivity test
net: hns3: allow configure ETS bandwidth of all TCs
net: hns3: remove check VF uc mac exist when set by PF
net: hns3: fix some mac statistics is always 0 in device version V2
net: hns3: fix kernel crash when unload VF while it is being reset
net: hns3: sync rx ring head in echo common pull
net: hns3: fix pfc packet number incorrect after querying pfc parameters
...
Here is a single fix for 5.16-rc1 to resolve a build problem that came
in through the coresight tree (and as such came in through the char/misc
tree merge in the 5.16-rc1 merge window).
It resolves a build problem with 'allmodconfig' on arm64 and is acked by
the proper subsystem maintainers. It has been in linux-next all week
with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fix from Greg KH:
"Here is a single fix for 5.16-rc1 to resolve a build problem that came
in through the coresight tree (and as such came in through the
char/misc tree merge in the 5.16-rc1 merge window).
It resolves a build problem with 'allmodconfig' on arm64 and is acked
by the proper subsystem maintainers. It has been in linux-next all
week with no reported problems"
* tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
arm64: cpufeature: Export this_cpu_has_cap helper
Here are some small reverts and fixes for USB drivers for issues that
came up during the 5.16-rc1 merge window.
These include:
- two reverts of xhci and USB core patches that are causing
problems in many systems.
- xhci 3.1 enumeration delay fix for systems that were having
problems.
All 3 of these have been in linux-next all week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small reverts and fixes for USB drivers for issues that
came up during the 5.16-rc1 merge window.
These include:
- two reverts of xhci and USB core patches that are causing problems
in many systems.
- xhci 3.1 enumeration delay fix for systems that were having
problems.
All three of these have been in linux-next all week with no reported
issues"
* tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
xhci: Fix USB 3.1 enumeration issues by increasing roothub power-on-good delay
Revert "usb: core: hcd: Add support for deferring roothub registration"
Revert "xhci: Set HCD flag to defer primary roothub registration"
There are multiple kasan modes. It makes sense that we add some
messages to know which kasan mode is active when booting up [1].
Link: https://bugzilla.kernel.org/show_bug.cgi?id=212195 [1]
Link: https://lkml.kernel.org/r/20211020094850.4113-1-Kuan-Ying.Lee@mediatek.com
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Chinwen Chang <chinwen.chang@mediatek.com>
Cc: Yee Lee <yee.lee@mediatek.com>
Cc: Nicholas Tang <nicholas.tang@mediatek.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
These are only used in built-in core mm code.
Link: https://lkml.kernel.org/r/20210820095815.445392-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "unexport memcg locking helpers".
Neither the old page-based nor the new folio-based memcg locking helpers
are used in modular code at all, so drop the exports.
This patch (of 2):
folio_memcg_{,un}lock are only used in built-in core mm code.
Link: https://lkml.kernel.org/r/20210820095815.445392-1-hch@lst.de
Link: https://lkml.kernel.org/r/20210820095815.445392-2-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
MIGRATE_PFN_LOCKED is used to indicate to migrate_vma_prepare() that a
source page was already locked during migrate_vma_collect(). If it
wasn't then the a second attempt is made to lock the page. However if
the first attempt failed it's unlikely a second attempt will succeed,
and the retry adds complexity. So clean this up by removing the retry
and MIGRATE_PFN_LOCKED flag.
Destination pages are also meant to have the MIGRATE_PFN_LOCKED flag
set, but nothing actually checks that.
Link: https://lkml.kernel.org/r/20211025041608.289017-1-apopple@nvidia.com
Signed-off-by: Alistair Popple <apopple@nvidia.com>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
