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The locking in phy_probe() and phy_remove() does very little to prevent
any races with e.g. phy_attach_direct(), but instead causes lockdep ABBA
warnings. Remove it.
======================================================
WARNING: possible circular locking dependency detected
6.2.0-dirty #1108 Tainted: G W E
------------------------------------------------------
ip/415 is trying to acquire lock:
ffff5c268f81ef50 (&dev->lock){+.+.}-{3:3}, at: phy_attach_direct+0x17c/0x3a0 [libphy]
but task is already holding lock:
ffffaef6496cb518 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x154/0x560
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (rtnl_mutex){+.+.}-{3:3}:
__lock_acquire+0x35c/0x6c0
lock_acquire.part.0+0xcc/0x220
lock_acquire+0x68/0x84
__mutex_lock+0x8c/0x414
mutex_lock_nested+0x34/0x40
rtnl_lock+0x24/0x30
sfp_bus_add_upstream+0x34/0x150
phy_sfp_probe+0x4c/0x94 [libphy]
mv3310_probe+0x148/0x184 [marvell10g]
phy_probe+0x8c/0x200 [libphy]
call_driver_probe+0xbc/0x15c
really_probe+0xc0/0x320
__driver_probe_device+0x84/0x120
driver_probe_device+0x44/0x120
__device_attach_driver+0xc4/0x160
bus_for_each_drv+0x80/0xe0
__device_attach+0xb0/0x1f0
device_initial_probe+0x1c/0x2c
bus_probe_device+0xa4/0xb0
device_add+0x360/0x53c
phy_device_register+0x60/0xa4 [libphy]
fwnode_mdiobus_phy_device_register+0xc0/0x190 [fwnode_mdio]
fwnode_mdiobus_register_phy+0x160/0xd80 [fwnode_mdio]
of_mdiobus_register+0x140/0x340 [of_mdio]
orion_mdio_probe+0x298/0x3c0 [mvmdio]
platform_probe+0x70/0xe0
call_driver_probe+0x34/0x15c
really_probe+0xc0/0x320
__driver_probe_device+0x84/0x120
driver_probe_device+0x44/0x120
__driver_attach+0x104/0x210
bus_for_each_dev+0x78/0xdc
driver_attach+0x2c/0x3c
bus_add_driver+0x184/0x240
driver_register+0x80/0x13c
__platform_driver_register+0x30/0x3c
xt_compat_calc_jump+0x28/0xa4 [x_tables]
do_one_initcall+0x50/0x1b0
do_init_module+0x50/0x1fc
load_module+0x684/0x744
__do_sys_finit_module+0xc4/0x140
__arm64_sys_finit_module+0x28/0x34
invoke_syscall+0x50/0x120
el0_svc_common.constprop.0+0x6c/0x1b0
do_el0_svc+0x34/0x44
el0_svc+0x48/0xf0
el0t_64_sync_handler+0xb8/0xc0
el0t_64_sync+0x1a0/0x1a4
-> #0 (&dev->lock){+.+.}-{3:3}:
check_prev_add+0xb4/0xc80
validate_chain+0x414/0x47c
__lock_acquire+0x35c/0x6c0
lock_acquire.part.0+0xcc/0x220
lock_acquire+0x68/0x84
__mutex_lock+0x8c/0x414
mutex_lock_nested+0x34/0x40
phy_attach_direct+0x17c/0x3a0 [libphy]
phylink_fwnode_phy_connect.part.0+0x70/0xe4 [phylink]
phylink_fwnode_phy_connect+0x48/0x60 [phylink]
mvpp2_open+0xec/0x2e0 [mvpp2]
__dev_open+0x104/0x214
__dev_change_flags+0x1d4/0x254
dev_change_flags+0x2c/0x7c
do_setlink+0x254/0xa50
__rtnl_newlink+0x430/0x514
rtnl_newlink+0x58/0x8c
rtnetlink_rcv_msg+0x17c/0x560
netlink_rcv_skb+0x64/0x150
rtnetlink_rcv+0x20/0x30
netlink_unicast+0x1d4/0x2b4
netlink_sendmsg+0x1a4/0x400
____sys_sendmsg+0x228/0x290
___sys_sendmsg+0x88/0xec
__sys_sendmsg+0x70/0xd0
__arm64_sys_sendmsg+0x2c/0x40
invoke_syscall+0x50/0x120
el0_svc_common.constprop.0+0x6c/0x1b0
do_el0_svc+0x34/0x44
el0_svc+0x48/0xf0
el0t_64_sync_handler+0xb8/0xc0
el0t_64_sync+0x1a0/0x1a4
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(rtnl_mutex);
lock(&dev->lock);
lock(rtnl_mutex);
lock(&dev->lock);
*** DEADLOCK ***
Fixes: 298e54fa810e ("net: phy: add core phylib sfp support")
Reported-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When SCMI raw coexistence mode is enabled make the core stack probe
successfully even when the initial base protocol exchanges with the
platform/server failed.
This behaviour enables the system to boot with a broken regular SCMI
stack but with a fully functional and accessible SCMI raw debugfs
interface that can be used to further debug the issue.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20230223152330.2707260-1-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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linux/of.h is included more than once, just remove the duplicate include
header inclusion.
Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Link: https://lore.kernel.org/r/202302101520071730986@zte.com.cn
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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In this context "return scmi_dev;" and "return NULL;" are equivalent
but it is more readable to return a literal.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/Y/Yx8pOdf8rNhPVe@kili
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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The comments say "enabled" where "disabled" is intended. Also it's
cleaner to return zero explicitly instead of ret.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/r/Y86im5M49p3ePGxj@kili
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Playing media with a resolution smaller than the crtc size requires the
video overlay to be scaled for output and GXM boards display a 1px pink
line on the bottom of the scaled overlay. Comparing with the downstream
vendor driver revealed VPP_DUMMY_DATA not being set [0].
Setting VPP_DUMMY_DATA prevents the 1px pink line from being seen.
[0] https://github.com/endlessm/linux-s905x/blob/master/drivers/amlogic/amports/video.c#L7869
Fixes: bbbe775ec5b5 ("drm: Add support for Amlogic Meson Graphic Controller")
Suggested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230303123312.155164-1-christianshewitt@gmail.com
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When MAC is not support PMT, driver will check PHY's WoL capability
and set device wakeup capability in stmmac_init_phy(). We can enable
the WoL through ethtool, the driver would enable the device wake up
flag. Now the device_may_wakeup() return true.
But if there is a way which enable the PHY's WoL capability derectly,
like in BIOS. The driver would not know the enable thing and would not
set the device wake up flag. The phy_suspend may failed like this:
[ 32.409063] PM: dpm_run_callback(): mdio_bus_phy_suspend+0x0/0x50 returns -16
[ 32.409065] PM: Device stmmac-1:00 failed to suspend: error -16
[ 32.409067] PM: Some devices failed to suspend, or early wake event detected
Add to set the device wakeup enable flag according to the get_wol
function result in PHY can fix the error in this scene.
v2: add a Fixes tag.
Fixes: 1d8e5b0f3f2c ("net: stmmac: Support WOL with phy")
Signed-off-by: Rongguang Wei <weirongguang@kylinos.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When calling debugfs_lookup() the result must have dput() called on it,
otherwise the memory will leak over time. To solve this, remove the
lookup and create the directory on the first device found, and then
remove it when the module is unloaded.
Cc: Tudor Ambarus <tudor.ambarus@microchip.com>
Cc: Pratyush Yadav <pratyush@kernel.org>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Cc: linux-mtd@lists.infradead.org
Reviewed-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20230208160230.2179905-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The wrong bits are masked in the hysteresis register; indices 0 and 2
should zero bits [7:4] and preserve bits [3:0], and index 1 should zero
bits [3:0] and preserve bits [7:4].
Fixes: 1c301fc5394f ("hwmon: Add a driver for the ADT7475 hardware monitoring chip")
Signed-off-by: Tony O'Brien <tony.obrien@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20230222005228.158661-3-tony.obrien@alliedtelesis.co.nz
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Throughout the ADT7475 driver, attributes relating to the temperature
sensors are displayed in the order Remote 1, Local, Remote 2. Make
temp_st_show() conform to this expectation so that values set by
temp_st_store() can be displayed using the correct attribute.
Fixes: 8f05bcc33e74 ("hwmon: (adt7475) temperature smoothing")
Signed-off-by: Tony O'Brien <tony.obrien@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20230222005228.158661-2-tony.obrien@alliedtelesis.co.nz
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"Fix a regression in the caam driver"
* tag 'v6.3-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: caam - Fix edesc/iv ordering mixup
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 updates from Thomas Gleixner:
"A small set of updates for x86:
- Return -EIO instead of success when the certificate buffer for SEV
guests is not large enough
- Allow STIPB to be enabled with legacy IBSR. Legacy IBRS is cleared
on return to userspace for performance reasons, but the leaves user
space vulnerable to cross-thread attacks which STIBP prevents.
Update the documentation accordingly"
* tag 'x86-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
virt/sev-guest: Return -EIO if certificate buffer is not large enough
Documentation/hw-vuln: Document the interaction between IBRS and STIBP
x86/speculation: Allow enabling STIBP with legacy IBRS
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"A set of updates for the interrupt susbsystem:
- Prevent possible NULL pointer derefences in
irq_data_get_affinity_mask() and irq_domain_create_hierarchy()
- Take the per device MSI lock before invoking code which relies on
it being hold
- Make sure that MSI descriptors are unreferenced before freeing
them. This was overlooked when the platform MSI code was converted
to use core infrastructure and results in a fals positive warning
- Remove dead code in the MSI subsystem
- Clarify the documentation for pci_msix_free_irq()
- More kobj_type constification"
* tag 'irq-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq/msi, platform-msi: Ensure that MSI descriptors are unreferenced
genirq/msi: Drop dead domain name assignment
irqdomain: Add missing NULL pointer check in irq_domain_create_hierarchy()
genirq/irqdesc: Make kobj_type structures constant
PCI/MSI: Clarify usage of pci_msix_free_irq()
genirq/msi: Take the per-device MSI lock before validating the control structure
genirq/ipi: Fix NULL pointer deref in irq_data_get_affinity_mask()
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang:
"Some improvements/fixes for the newly added GXP driver and a Kconfig
dependency fix"
* tag 'i2c-for-6.3-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: gxp: fix an error code in probe
i2c: gxp: return proper error on address NACK
i2c: gxp: remove "empty" switch statement
i2c: Disable I2C_APPLE when I2C_PASEMI is a builtin
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During the processing of the bgt, if the sync_erase() return -EBUSY
or some other error code in __erase_worker(),schedule_erase() called
again lead to the down_read(ubi->work_sem) hold twice and may get
block by down_write(ubi->work_sem) in ubi_update_fastmap(),
which cause deadlock.
ubi bgt other task
do_work
down_read(&ubi->work_sem) ubi_update_fastmap
erase_worker # Blocked by down_read
__erase_worker down_write(&ubi->work_sem)
schedule_erase
schedule_ubi_work
down_read(&ubi->work_sem)
Fix this by changing input parameter @nested of the schedule_erase() to
'true' to avoid recursively acquiring the down_read(&ubi->work_sem).
Also, fix the incorrect comment about @nested parameter of the
schedule_erase() because when down_write(ubi->work_sem) is held, the
@nested is also need be true.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217093
Fixes: 2e8f08deabbc ("ubi: Fix races around ubi_refill_pools()")
Signed-off-by: ZhaoLong Wang <wangzhaolong1@huawei.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull more power supply updates from Sebastian Reichel:
- Fix DT binding for Richtek RT9467
- Fix a NULL pointer check in the power-supply core
- Document meaning of absent "present" property
* tag 'for-v6.3-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
dt-bindings: power: supply: Revise Richtek RT9467 compatible name
ABI: testing: sysfs-class-power: Document absence of "present" property
power: supply: fix null pointer check order in __power_supply_register
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Pull more SCSI updates from James Bottomley:
"Updates that missed the first pull, mostly because of needing more
soak time.
Driver updates (zfcp, ufs, mpi3mr, plus two ipr bug fixes), an
enclosure services (ses) update (mostly bug fixes) and other minor bug
fixes and changes"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (32 commits)
scsi: zfcp: Trace when request remove fails after qdio send fails
scsi: zfcp: Change the type of all fsf request id fields and variables to u64
scsi: zfcp: Make the type for accessing request hashtable buckets size_t
scsi: ufs: core: Simplify ufshcd_execute_start_stop()
scsi: ufs: core: Rely on the block layer for setting RQF_PM
scsi: core: Extend struct scsi_exec_args
scsi: lpfc: Fix double word in comments
scsi: core: Remove the /proc/scsi/${proc_name} directory earlier
scsi: core: Fix a source code comment
scsi: cxgbi: Remove unneeded version.h include
scsi: qedi: Remove unneeded version.h include
scsi: mpi3mr: Remove unneeded version.h include
scsi: mpi3mr: Fix missing mrioc->evtack_cmds initialization
scsi: mpi3mr: Use number of bits to manage bitmap sizes
scsi: mpi3mr: Remove unnecessary memcpy() to alltgt_info->dmi
scsi: mpi3mr: Fix issues in mpi3mr_get_all_tgt_info()
scsi: mpi3mr: Fix an issue found by KASAN
scsi: mpi3mr: Replace 1-element array with flex-array
scsi: ipr: Work around fortify-string warning
scsi: ipr: Make ipr_probe_ioa_part2() return void
...
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This is passing IS_ERR() instead of PTR_ERR() so instead of an error
code it prints and returns the number 1.
Fixes: 4a55ed6f89f5 ("i2c: Add GXP SoC I2C Controller")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Nick Hawkins <nick.hawkins@hpe.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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According to Documentation/i2c/fault-codes.rst, NACK after sending an
address should be -ENXIO.
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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There used to be error messages which had to go. Now, it only consists
of 'break's, so it can go.
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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The ppc64le_allmodconfig sets I2C_PASEMI=y and leaves COMPILE_TEST to
default to y and I2C_APPLE to default to m, running into a known
incompatible configuration that breaks the build [1]. Specifically,
a common dependency (i2c-pasemi-core.o in this case) cannot be used by
both builtin and module consumers.
Disable I2C_APPLE when I2C_PASEMI is a builtin to prevent this.
[1]: https://lore.kernel.org/all/202112061809.XT99aPrf-lkp@intel.com
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Benjamin Gray <bgray@linux.ibm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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When user space updates the trip point there is a deadlock, which results
in caller gets blocked forever.
Commit 05eeee2b51b4 ("thermal/core: Protect sysfs accesses to thermal
operations with thermal zone mutex"), added a mutex for tz->lock in the
function trip_point_temp_store(). Hence, trip set callback() can't
call any thermal zone API as they are protected with the same mutex lock.
The callback here calling thermal_zone_device_enable(), which will result
in deadlock.
Move the thermal_zone_device_enable() to proc_thermal_pci_probe() to
avoid this deadlock.
Fixes: 05eeee2b51b4 ("thermal/core: Protect sysfs accesses to thermal operations with thermal zone mutex")
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Cc: 6.2+ <stable@vger.kernel.org> # 6.2+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more thermal control updates from Rafael Wysocki:
"These fix two issues in the Intel thermal control drivers.
Specifics:
- Fix an error pointer dereference in the quark_dts Intel thermal
driver (Dan Carpenter)
- Fix the intel_bxt_pmic_thermal driver Kconfig entry to select
REGMAP which is not user-visible instead of depending on it (Randy
Dunlap)"
* tag 'thermal-6.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: intel: BXT_PMIC: select REGMAP instead of depending on it
thermal: intel: quark_dts: fix error pointer dereference
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These update ACPI quirks for some x86 platforms and add an IRQ
override quirk for one more system.
Specifics:
- Add an ACPI IRQ override quirk for Asus Expertbook B2402FBA
(Vojtech Hejsek)
- Drop a suspend-to-idle quirk for HP Elitebook G9 that is not needed
any more after a firmware update (Mario Limonciello)
- Add all Cezanne systems to the list for forcing StorageD3Enable,
because they all need the same quirk (Mario Limonciello)"
* tag 'acpi-6.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: x86: utils: Add Cezanne to the list for forcing StorageD3Enable
ACPI: x86: Drop quirk for HP Elitebook
ACPI: resource: Skip IRQ override on Asus Expertbook B2402FBA
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These update power capping (new hardware support and cleanup) and
cpufreq (bug fixes, cleanups and intel_pstate adjustment for a new
platform).
Specifics:
- Fix error handling in the apple-soc cpufreq driver (Dan Carpenter)
- Change the log level of a message in the amd-pstate cpufreq driver
so it is more visible to users (Kai-Heng Feng)
- Adjust the balance_performance EPP value for Sapphire Rapids in the
intel_pstate cpufreq driver (Srinivas Pandruvada)
- Remove MODULE_LICENSE from 3 pieces of non-modular code (Nick
Alcock)
- Make a read-only kobj_type structure in the schedutil cpufreq
governor constant (Thomas Weißschuh)
- Add Add Power Limit4 support for Meteor Lake SoC to the Intel RAPL
power capping driver (Sumeet Pawnikar)"
* tag 'pm-6.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: apple-soc: Fix an IS_ERR() vs NULL check
powercap: remove MODULE_LICENSE in non-modules
cpufreq: intel_pstate: remove MODULE_LICENSE in non-modules
powercap: RAPL: Add Power Limit4 support for Meteor Lake SoC
cpufreq: amd-pstate: remove MODULE_LICENSE in non-modules
cpufreq: schedutil: make kobj_type structure constant
cpufreq: amd-pstate: Let user know amd-pstate is disabled
cpufreq: intel_pstate: Adjust balance_performance EPP for Sapphire Rapids
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Pull block fixes from Jens Axboe:
- NVMe pull request via Christoph:
- Don't access released socket during error recovery (Akinobu
Mita)
- Bring back auto-removal of deleted namespaces during sequential
scan (Christoph Hellwig)
- Fix an error code in nvme_auth_process_dhchap_challenge (Dan
Carpenter)
- Show well known discovery name (Daniel Wagner)
- Add a missing endianess conversion in effects masking (Keith
Busch)
- Fix for a regression introduced in blk-rq-qos during init in this
merge window (Breno)
- Reorder a few fields in struct blk_mq_tag_set, eliminating a few
holes and shrinking it (Christophe)
- Remove redundant bdev_get_queue() NULL checks (Juhyung)
- Add sed-opal single user mode support flag (Luca)
- Remove SQE128 check in ublk as it isn't needed, saving some memory
(Ming)
- Op specific segment checking for cloned requests (Uday)
- Exclusive open partition scan fixes (Yu)
- Loop offset/size checking before assigning them in the device (Zhong)
- Bio polling fixes (me)
* tag 'block-6.3-2023-03-03' of git://git.kernel.dk/linux:
blk-mq: enforce op-specific segment limits in blk_insert_cloned_request
nvme-fabrics: show well known discovery name
nvme-tcp: don't access released socket during error recovery
nvme-auth: fix an error code in nvme_auth_process_dhchap_challenge()
nvme: bring back auto-removal of deleted namespaces during sequential scan
blk-iocost: Pass gendisk to ioc_refresh_params
nvme: fix sparse warning on effects masking
block: be a bit more careful in checking for NULL bdev while polling
block: clear bio->bi_bdev when putting a bio back in the cache
loop: loop_set_status_from_info() check before assignment
ublk: remove check IO_URING_F_SQE128 in ublk_ch_uring_cmd
block: remove more NULL checks after bdev_get_queue()
blk-mq: Reorder fields in 'struct blk_mq_tag_set'
block: fix scan partition for exclusively open device again
block: Revert "block: Do not reread partition table on exclusively open device"
sed-opal: add support flag for SUM in status ioctl
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ATA fix from Damien Le Moal:
- Revert commit 104ff59af73a ("ata: ahci: Add Tiger Lake UP{3,4} AHCI
controller") as it is causing serious regressions (failure to boot)
on some laptops
* tag 'ata-6.3-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: ahci: Revert "ata: ahci: Add Tiger Lake UP{3,4} AHCI controller"
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Clear DSPP reservations from the global state during
rm release
Fixes: e47616df008b ("drm/msm/dpu: add support for color processing blocks in dpu driver")
Signed-off-by: Kalyan Thota <quic_kalyant@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Patchwork: https://patchwork.freedesktop.org/patch/522443/
Link: https://lore.kernel.org/r/1676286704-818-2-git-send-email-quic_kalyant@quicinc.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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At sc7280, pingpong block is used to management the dither effects
to reduce distortion at panel. Currently pingpong-0 base offset is
wrongly set at 0x59000. This mistake will not cause system to crash.
However it will make dither not work. This patch correct sc7280 ping
pong-0 block base offset.
Changes in v2:
-- add more details info n regrading of pingpong block at commit text
Fixes: 591e34a091d1 ("drm/msm/disp/dpu1: add support for display for SC7280 target")
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/524332/
Link: https://lore.kernel.org/r/1677533800-3125-1-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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The rewritten dpu_hw_ctl_setup_blendstage() can lightly smash the stack
when setting the SSPP_NONE pipe. However it was unnoticed until the
kernel was tested under AOSP (with some kind of stack protection/check).
This fixes the following backtrace:
Unexpected kernel BRK exception at EL1
Internal error: BRK handler: 00000000f20003e8 [#1] PREEMPT SMP
Hardware name: Thundercomm Dragonboard 845c (DT)
pstate: a0400005 (NzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dpu_hw_ctl_setup_blendstage+0x26c/0x278 [msm]
lr : _dpu_crtc_blend_setup+0x4b4/0x5a0 [msm]
sp : ffffffc00bdcb720
x29: ffffffc00bdcb720 x28: ffffff8085debac0 x27: 0000000000000002
x26: ffffffd74af18320 x25: ffffff8083af75a0 x24: ffffffc00bdcb878
x23: 0000000000000001 x22: 0000000000000000 x21: ffffff8085a70000
x20: ffffff8083012dc0 x19: 0000000000000001 x18: 0000000000000000
x17: 000000040044ffff x16: 045000f4b5593519 x15: 0000000000000000
x14: 000000000000000b x13: 0000000000000001 x12: 0000000000000000
x11: 0000000000000001 x10: ffffffc00bdcb764 x9 : ffffffd74af06a08
x8 : 0000000000000001 x7 : 0000000000000001 x6 : 0000000000000000
x5 : ffffffc00bdcb878 x4 : 0000000000000002 x3 : ffffffffffffffff
x2 : ffffffc00bdcb878 x1 : 0000000000000000 x0 : 0000000000000002
Call trace:
dpu_hw_ctl_setup_blendstage+0x26c/0x278 [msm]
_dpu_crtc_blend_setup+0x4b4/0x5a0 [msm]
dpu_crtc_atomic_begin+0xd8/0x22c [msm]
drm_atomic_helper_commit_planes+0x80/0x208 [drm_kms_helper]
msm_atomic_commit_tail+0x134/0x6f0 [msm]
commit_tail+0xa4/0x1a4 [drm_kms_helper]
drm_atomic_helper_commit+0x170/0x184 [drm_kms_helper]
drm_atomic_commit+0xac/0xe8
drm_mode_atomic_ioctl+0xbf0/0xdac
drm_ioctl_kernel+0xc4/0x178
drm_ioctl+0x2c8/0x608
__arm64_sys_ioctl+0xa8/0xec
invoke_syscall+0x44/0x104
el0_svc_common.constprop.0+0x44/0xec
do_el0_svc+0x38/0x98
el0_svc+0x2c/0xb4
el0t_64_sync_handler+0xb8/0xbc
el0t_64_sync+0x1a0/0x1a4
Code: 52800016 52800017 52800018 17ffffc7 (d4207d00)
Fixes: 4488f71f6373 ("drm/msm/dpu: simplify blend configuration")
Reported-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Amit Pundir <amit.pundir@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/523778/
Link: https://lore.kernel.org/r/20230223095708.3688148-1-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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DPU driver has been using the DPU_CLK_CTRL_CURSOR prefix for the DMA
SSPP blocks used for the cursor planes. This has lead to the confusion
at least for the MSM8998 platform. In preparation to supporting the
cursor SSPP blocks, use proper enum values to index DMA SSPP clock
controls.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550 on top of next-20230116
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/522228/
Link: https://lore.kernel.org/r/20230211231259.1308718-14-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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DMA2 and DMA3 planes on msm8998 should use corresponding DMA2 and DMA3
clocks rather than CURSOR0/1 clocks (which are used for the CURSOR
planes). Correct corresponding SSPP declarations.
Fixes: 94391a14fc27 ("drm/msm/dpu1: Add MSM8998 to hw catalog")
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Cc: Jami Kettunen <jami.kettunen@somainline.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522230/
Link: https://lore.kernel.org/r/20230211231259.1308718-13-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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The msm8998 doesn't seem to support DIM_LAYER, so drop it from
the supported features mask.
Fixes: 2d8a4edb672d ("drm/msm/dpu: use feature bit for LM combined alpha check")
Fixes: 94391a14fc27 ("drm/msm/dpu1: Add MSM8998 to hw catalog")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522231/
Link: https://lore.kernel.org/r/20230211231259.1308718-12-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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QSEED4 is a newer variant of QSEED3LITE, which should be used on
sm6115. Fix the used feature masks.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fixes: 3581b7062cec ("drm/msm/disp/dpu1: add support for display on SM6115")
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522219/
Link: https://lore.kernel.org/r/20230211231259.1308718-11-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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QSEED4 is a newer variant of QSEED3LITE, which should be used on
sm8250 and sm8350. Fix the DPU caps structure and used feature masks.
Fixes: d21fc5dfc3df ("drm/msm/dpu1: add support for qseed3lite used on sm8250")
Fixes: 0e91bcbb0016 ("drm/msm/dpu: Add SM8350 to hw catalog")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522229/
Link: https://lore.kernel.org/r/20230211231259.1308718-10-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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QSEED4 is a newer variant of QSEED3LITE, which should be used on
sm8450. Fix the used feature masks.
Fixes: 100d7ef6995d ("drm/msm/dpu: add support for SM8450")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522215/
Link: https://lore.kernel.org/r/20230211231259.1308718-9-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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QSEED4 is a newer variant of QSEED3LITE, which should be used on
sc8280xp. Fix the DPU caps structure and used feature masks.
Fixes: 4a352c2fc15a ("drm/msm/dpu: Introduce SC8280XP")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522217/
Link: https://lore.kernel.org/r/20230211231259.1308718-8-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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QSEED4 is a newer variant of QSEED3LITE, which should be used on
sm8550. Fix the DPU caps structure and used feature masks.
Fixes: efcd0107727c ("drm/msm/dpu: add support for SM8550")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522213/
Link: https://lore.kernel.org/r/20230211231259.1308718-7-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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According to vendor DTS files both sm6115 and qcm2290 should have
max_mixer_width set to 2048 (DEFAULT_DPU_LINE_WIDTH). Correct it.
Fixes: 3581b7062cec ("drm/msm/disp/dpu1: add support for display on SM6115")
Fixes: 5334087ee743 ("drm/msm: add support for QCM2290 MDSS")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522212/
Link: https://lore.kernel.org/r/20230211231259.1308718-6-dmitry.baryshkov@linaro.org
[quic_abhinavk@quicinc.com: fix minor typo in commit message]
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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Change sc7180's ctl block len to 0x1dc.
Fixes: 7bdc0c4b8126 ("msm:disp:dpu1: add support for display for SC7180 target")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522210/
Link: https://lore.kernel.org/r/20230211231259.1308718-5-dmitry.baryshkov@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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Fix typo in the name of the sblk structure for the sm8550's dma_sblk_5.
Fixes: efcd0107727c ("drm/msm/dpu: add support for SM8550")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/522225/
Link: https://lore.kernel.org/r/20230211231259.1308718-4-dmitry.baryshkov@linaro.org
[quic_abhinavk@quicinc.com: fix minor typo in commit message]
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
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Merge additional ACPI quirks for x86 systems:
- Drop a suspend-to-idle quirk for HP Elitebook G9 that is not needed
any more after a firmware update (Mario Limonciello).
- Add all Cezanne systems to the list for forcing StorageD3Enable,
because they all need the same quirk (Mario Limonciello).
* acpi-pm:
ACPI: x86: Drop quirk for HP Elitebook
* acpi-x86:
ACPI: x86: utils: Add Cezanne to the list for forcing StorageD3Enable
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Heiko Carstens:
- Add empty command line parameter handling stubs to kernel for all
command line parameters which are handled in the decompressor. This
avoids invalid "Unknown kernel command line parameters" messages from
the kernel, and also avoids that these will be incorrectly passed to
user space. This caused already confusion, therefore add the empty
stubs
- Add missing phys_to_virt() handling to machine check handler
- Introduce and use a union to be used for zcrypt inline assemblies.
This makes sure that only a register wide member of the union is
passed as input and output parameter to inline assemblies, while
usual C code uses other members of the union to access bit fields of
it
- Add and use a READ_ONCE_ALIGNED_128() macro, which can be used to
atomically read a 128-bit value from memory. This replaces the
(mis-)use of the 128-bit cmpxchg operation to do the same in cpum_sf
code. Currently gcc does not generate the used lpq instruction if
__READ_ONCE() is used for aligned 128-bit accesses, therefore use
this s390 specific helper
- Simplify machine check handler code if a task needs to be killed
because of e.g. register corruption due to a machine malfunction
- Perform CPU reset to clear pending interrupts and TLB entries on an
already stopped target CPU before delegating work to it
- Generate arch/s390/boot/vmlinux.map link map for the decompressor,
when CONFIG_VMLINUX_MAP is enabled for debugging purposes
- Fix segment type handling for dcssblk devices. It incorrectly always
returned type "READ/WRITE" even for read-only segements, which can
result in a kernel panic if somebody tries to write to a read-only
device
- Sort config S390 select list again
- Fix two kprobe reenter bugs revealed by a recently added kprobe kunit
test
* tag 's390-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/kprobes: fix current_kprobe never cleared after kprobes reenter
s390/kprobes: fix irq mask clobbering on kprobe reenter from post_handler
s390/Kconfig: sort config S390 select list again
s390/extmem: return correct segment type in __segment_load()
s390/decompressor: add link map saving
s390/smp: perform cpu reset before delegating work to target cpu
s390/mcck: cleanup user process termination path
s390/cpum_sf: use READ_ONCE_ALIGNED_128() instead of 128-bit cmpxchg
s390/rwonce: add READ_ONCE_ALIGNED_128() macro
s390/ap,zcrypt,vfio: introduce and use ap_queue_status_reg union
s390/nmi: fix virtual-physical address confusion
s390/setup: do not complain about parameters handled in decompressor
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull more RISC-V updates from Palmer Dabbelt:
- Some cleanups and fixes for the Zbb-optimized string routines
- Support for custom (vendor or implementation defined) perf events
- COMMAND_LINE_SIZE has been increased to 1024
* tag 'riscv-for-linus-6.3-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Bump COMMAND_LINE_SIZE value to 1024
drivers/perf: RISC-V: Allow programming custom firmware events
riscv, lib: Fix Zbb strncmp
RISC-V: improve string-function assembly
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Merge additional power capping changes for 6.3-rc1:
- Remove MODULE_LICENSE from non-modular power capping code (Nick
Alcock).
- Add Add Power Limit4 support for Meteor Lake SoC to the Intel RAPL
power capping driver (Sumeet Pawnikar).
* powercap:
powercap: remove MODULE_LICENSE in non-modules
powercap: RAPL: Add Power Limit4 support for Meteor Lake SoC
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"A few drivers got some nice cleanups and a new driver are making the
bulk of the changes.
Subsystem:
- allow rtc_read_alarm without read_alarm callback
New driver:
- NXP BBNSM module RTC
Drivers:
- use IRQ flags from fwnode when available
- abx80x: nvmem support
- brcmstb-waketimer: add non-wake alarm support
- ingenic: provide CLK32K clock
- isl12022: cleanups
- moxart: switch to using gpiod API
- pcf85363: allow setting quartz load
- pm8xxx: cleanups and support for setting time
- rv3028, rv3032: add ACPI support"
* tag 'rtc-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (64 commits)
rtc: pm8xxx: add support for nvmem offset
dt-bindings: rtc: qcom-pm8xxx: add nvmem-cell offset
rtc: abx80x: Add nvmem support
rtc: rx6110: Remove unused of_gpio,h
rtc: efi: Avoid spamming the log on RTC read failure
rtc: isl12022: sort header inclusion alphabetically
rtc: isl12022: Join string literals back
rtc: isl12022: Drop unneeded OF guards and of_match_ptr()
rtc: isl12022: Explicitly use __le16 type for ISL12022_REG_TEMP_L
rtc: isl12022: Get rid of unneeded private struct isl12022
rtc: pcf85363: add support for the quartz-load-femtofarads property
dt-bindings: rtc: nxp,pcf8563: move pcf85263/pcf85363 to a dedicated binding
rtc: allow rtc_read_alarm without read_alarm callback
rtc: rv3032: add ACPI support
rtc: rv3028: add ACPI support
rtc: bbnsm: Add the bbnsm rtc support
rtc: jz4740: Register clock provider for the CLK32K pin
rtc: jz4740: Use dev_err_probe()
rtc: jz4740: Use readl_poll_timeout
dt-bindings: rtc: Add #clock-cells property
...
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When a reset notify IPC message is received, the ISR schedules a work
function and passes the ISHTP device to it via a global pointer
ishtp_dev. If ish_probe() fails, the devm-managed device resources
including ishtp_dev are freed, but the work is not cancelled, causing a
use-after-free when the work function tries to access ishtp_dev. Use
devm_work_autocancel() instead, so that the work is automatically
cancelled if probe fails.
Signed-off-by: Reka Norman <rekanorman@chromium.org>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add signature for the Logitech MX Master 3S mouse over Bluetooth.
Signed-off-by: Rafał Szalecki <perexist7@gmail.com>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Commit 104ff59af73a ("ata: ahci: Add Tiger Lake UP{3,4} AHCI
controller") enabled low power mode for the Tiger Lake AHIC adapter in
the author system but created regressions for others. Revert this patch
for now until a better solution is found to make this adapter
eco-friendly.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217114
CC: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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When esp-tx-csum-offload is set to on, the protocol stack shouldn't
calculate the IPsec offload packet's csum, but it does. Because the
callback `.ndo_features_check` incorrectly masked NETIF_F_CSUM_MASK bit.
Fixes: 57f273adbcd4 ("nfp: add framework to support ipsec offloading")
Signed-off-by: Huanhuan Wang <huanhuan.wang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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