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Once allocated, the IPv6 routing table is not freed until
netns is dismantled.
fib6_get_table() uses rcu_read_lock() while iterating
net->ipv6.fib_table_hash[], but it's not needed and
rather confusing.
Because some callers have this pattern,
table = fib6_get_table();
rcu_read_lock();
/* ... use table here ... */
rcu_read_unlock();
[ See: addrconf_get_prefix_route(), ip6_route_del(),
rt6_get_route_info(), rt6_get_dflt_router() ]
and this looks illegal but is actually safe.
Let's remove rcu_read_lock() in fib6_get_table() and pass true
to the last argument of hlist_for_each_entry_rcu() to bypass
the RCU check.
Note that protection is not needed but RCU helper is used to
avoid data-race.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250516022759.44392-2-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Instances of 'struct target_opcode_descriptor' are not modified in this
driver.
Constifying this structure moves some data to a read-only section, so
increase overall security, especially when the structure holds some
function pointers.
On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
53602 19750 0 73352 11e88 drivers/target/target_core_spc.o
After:
=====
text data bss dec hex filename
58594 14758 0 73352 11e88 drivers/target/target_core_spc.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/889ee46e75db33e8ab997a627a1d3d651ad648db.1747592774.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Constify the first argument of the enabled() function in struct
target_opcode_descriptor.
This is the first step in order to constify struct
target_opcode_descriptor.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/4290cf1dbe100c1b1edf2ede5e5aef19b04ee7f2.1747592774.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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LKP reports below warning when building for RISC-V with randconfig
configuration.
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:4554:25: sparse:
sparse: incorrect type in argument 4 (different base types)
@@ expected restricted __le32 [usertype] *[assigned] ptr
@@ got unsigned int * @@
Type cast to fix this warning.
Fixes: 4ca7fe99fc84 ("scsi: hisi_sas: Use macro instead of magic number")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202505150705.k9ZzMxf1-lkp@intel.com/
Signed-off-by: Yihang Li <liyihang9@huawei.com>
Link: https://lore.kernel.org/r/20250515013504.3234016-1-liyihang9@huawei.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Fix _ctl_get_mpt_mctp_passthru_adapter() to return the correct IOC
pointer to caller based on dev_index.
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Link: https://lore.kernel.org/r/1747213781-31545-1-git-send-email-shivasharan.srikanteshwara@broadcom.com
Fixes: c72be4b5bb7c ("scsi: mpt3sas: Add support for MCTP Passthrough commands")
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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unregister_sysctl_table() checks for NULL pointers internally. Remove
unneeded NULL check here.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://lore.kernel.org/r/20250514032845.2317700-1-nichen@iscas.ac.cn
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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netdev_lock is already held when calling bnxt_ulp_irq_stop() and
bnxt_ulp_irq_restart(). When converting rtnl_lock to netdev_lock,
the original code was rtnl_dereference() to indicate that rtnl_lock
was already held. rcu_dereference_protected() is the correct
conversion after replacing rtnl_lock with netdev_lock.
Add a new helper netdev_lock_dereference() similar to
rtnl_dereference().
Fixes: 004b5008016a ("eth: bnxt: remove most dependencies on RTNL")
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250519204130.3097027-2-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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After UFS_ABORT_TASK has been processed successfully, the host will
generate MCQ IRQ for ABORT TAG with response OCS_ABORTED. This results in
ufshcd_compl_one_cqe() calling ufshcd_release_scsi_cmd().
But ufshcd_mcq_abort() already calls ufshcd_release_scsi_cmd(), resulting
in __ufshcd_release() being called twice. This means
hba->clk_gating.active_reqs will be decreased twice, making it go
negative.
Delete ufshcd_release_scsi_cmd() in ufshcd_mcq_abort().
Fixes: f1304d442077 ("scsi: ufs: mcq: Added ufshcd_mcq_abort()")
Signed-off-by: ping.gao <ping.gao@samsung.com>
Link: https://lore.kernel.org/r/20250516083812.3894396-1-ping.gao@samsung.com
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Maintenance of the ravb driver will be handled by Niklas for now. I
still intend to review patches, and will be using my own email address
going forward.
Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://patch.msgid.link/20250519133354.6564-1-paul.barker.ct@bp.renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Zak Kemble says:
====================
net: bcmgenet: 64bit stats and expose more stats in ethtool
Hi, this patchset updates the bcmgenet driver with new 64bit statistics via
ndo_get_stats64 and rtnl_link_stats64, now reports hardware discarded
packets in the rx_missed_errors stat and exposes more stats in ethtool.
v1: https://lore.kernel.org/20250513144107.1989-1-zakkemble@gmail.com
v2: https://lore.kernel.org/20250515145142.1415-1-zakkemble@gmail.com
====================
Link: https://patch.msgid.link/20250519113257.1031-1-zakkemble@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Expose more per-queue and overall stats in ethtool
Signed-off-by: Zak Kemble <zakkemble@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250519113257.1031-4-zakkemble@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Hardware discarded packets are now counted in their own missed stat
instead of being lumped in with general errors.
Signed-off-by: Zak Kemble <zakkemble@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250519113257.1031-3-zakkemble@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Update the driver to use ndo_get_stats64, rtnl_link_stats64 and
u64_stats_t counters for statistics.
Signed-off-by: Zak Kemble <zakkemble@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250519113257.1031-2-zakkemble@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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While the MDIO address of the internal PHY on Allwinner sun8i chips is
generally 1, of_mdio_parse_addr is used to cleanly parse the address
from the device-tree instead of hardcoding it.
A commit reworking the code ditched the parsed value and hardcoded the
value 1 instead, which didn't really break anything but is more fragile
and not future-proof.
Restore the initial behavior using the parsed address returned from the
helper.
Fixes: 634db83b8265 ("net: stmmac: dwmac-sun8i: Handle integrated/external MDIOs")
Signed-off-by: Paul Kocialkowski <paulk@sys-base.io>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Corentin LABBE <clabbe.montjoie@gmail.com>
Tested-by: Corentin LABBE <clabbe.montjoie@gmail.com>
Link: https://patch.msgid.link/20250519164936.4172658-1-paulk@sys-base.io
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Document the UFS Controller on the SM8750 Platform.
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Nitin Rawat <quic_nitirawa@quicinc.com>
Signed-off-by: Melody Olvera <melody.olvera@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250327-sm8750_ufs_master-v3-1-bad1f5398d0a@oss.qualcomm.com
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Correct spelling mistakes of the SAS/SATA Vendor Specific Port Registers.
Fixed "Vednor" to "Vendor" in VSR_PHY_VS0 and VSR_PHY_VS1 comments. This
is a non-functional change aimed at improving code clarity.
Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Link: https://lore.kernel.org/r/20250517192422.310489-1-alok.a.tiwari@oracle.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2025-05-19 (ice, idpf)
For ice:
Jake removes incorrect incrementing of MAC filter count.
Dave adds check for, prerequisite, switchdev mode before setting up LAG.
For idpf:
Pavan stores max_tx_hdr_size to prevent NULL pointer dereference during
reset.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
idpf: fix null-ptr-deref in idpf_features_check
ice: Fix LACP bonds without SRIOV environment
ice: fix vf->num_mac count with port representors
====================
Link: https://patch.msgid.link/20250519210523.1866503-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use eth_zero_addr() to assign the zero address to the given address array
instead of memset() when second argument is address of zero.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://lore.kernel.org/r/20250519085457.918720-1-nichen@iscas.ac.cn
Reviewed-by: Karan Tilak Kumar <kartilak@cisco.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Heiner Kallweit says:
====================
net: phy: fixed_phy: simplifications and improvements
This series includes two types of changes:
- All callers pass PHY_POLL, therefore remove irq argument
- constify the passed struct fixed_phy_status *status
====================
Link: https://patch.msgid.link/4d4c468e-300d-42c7-92a1-eabbdb6be748@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Constify the passed struct fixed_phy_status *status where possible.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/d1764b62-8538-408b-a4e3-b63715481a38@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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All callers pass PHY_POLL, therefore remove irq argument from
fixed_phy_register().
Note: I keep the irq argument in fixed_phy_add_gpiod() for now,
for the case that somebody may want to use a GPIO interrupt in
the future, by e.g. adding a call to fwnode_irq_get() to
fixed_phy_get_gpiod().
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/31cdb232-a5e9-4997-a285-cb9a7d208124@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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All callers pass PHY_POLL, therefore remove irq argument from
fixed_phy_add().
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Acked-by: Greg Ungerer <gerg@linux-m68k.org>
Link: https://patch.msgid.link/b3b9b3bc-c310-4a54-b376-c909c83575de@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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AFAIU always returning -1 from lockdep's compare function
basically disables checking of dependencies between given
locks. Try to be a little more precise about what guarantees
that instance locks won't deadlock.
Right now we only nest them under protection of rtnl_lock.
Mostly in unregister_netdevice_many() and dev_close_many().
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250517200810.466531-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix "withouth" to "without"
Fix "instaces" to "instances"
Signed-off-by: Sumanth Gavini <sumanth.gavini@yahoo.com>
Reviewed-by: Andrea Mayer <andrea.mayer@uniroma2.it>
Link: https://patch.msgid.link/20250517032535.1176351-1-sumanth.gavini@yahoo.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix misspelling reported by codespell
Signed-off-by: Sumanth Gavini <sumanth.gavini@yahoo.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250517020003.1159640-1-sumanth.gavini@yahoo.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Cover three recent cases:
1. missing ops locking for the lowers during netdev_sync_lower_features
2. missing locking for dev_set_promiscuity (plus netdev_ops_assert_locked
with a comment on why/when it's needed)
3. rcu lock during team_change_rx_flags
Verified that each one triggers when the respective fix is reverted.
Not sure about the placement, but since it all relies on teaming,
added to the teaming directory.
One ugly bit is that I add NETIF_F_LRO to netdevsim; there is no way
to trigger netdev_sync_lower_features without it.
Signed-off-by: Stanislav Fomichev <stfomichev@gmail.com>
Link: https://patch.msgid.link/20250516232205.539266-1-stfomichev@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Replace the pattern of calling and validating kzalloc then
fbnic_fw_init_cmpl with a single function, fbnic_fw_alloc_cmpl.
Signed-off-by: Lee Trager <lee@trager.us>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250516164804.741348-1-lee@trager.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Using random mac address is not an error since the driver continues to
function, it should be informative that the system has not assigned
a MAC address. This is inline with other drivers such as ax88796c,
dm9051 etc. Drop the error level to info level.
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://patch.msgid.link/20250516122655.442808-1-nm@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Sky Huang says:
====================
Add built-in 2.5G ethernet phy support on MT7988
From: Sky Huang <skylake.huang@mediatek.com>
This patchset adds support for built-in 2.5Gphy on MT7988, sort file
and config sequence in related Kconfig and Makefile.
====================
Link: https://patch.msgid.link/20250516102327.2014531-1-SkyLake.Huang@mediatek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add support for internal 2.5Gphy on MT7988. This driver will load
necessary firmware and add appropriate time delay to make sure
that firmware works stably. The firmware loading procedure takes
about 11ms in this driver.
Signed-off-by: Sky Huang <skylake.huang@mediatek.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250516102327.2014531-3-SkyLake.Huang@mediatek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Sort config and file names in Kconfig and Makefile in
drivers/net/phy/mediatek/ in alphabetical order.
Signed-off-by: Sky Huang <skylake.huang@mediatek.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250516102327.2014531-2-SkyLake.Huang@mediatek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Function __sctp_write_space() doesn't set poll key, which leads to
ep_poll_callback() waking up all waiters, not only these waiting
for the socket being writable. Set the key properly using
wake_up_interruptible_poll(), which is preferred over the sync
variant, as writers are not woken up before at least half of the
queue is available. Also, TCP does the same.
Signed-off-by: Petr Malat <oss@malat.biz>
Acked-by: Xin Long <lucien.xin@gmail.com>
Link: https://patch.msgid.link/20250516081727.1361451-1-oss@malat.biz
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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RTL8127-internal PHY is RTL8261C which is a integrated 10Gbps PHY with ID
0x001cc890. It follows the code path of RTL8125/RTL8126 internal NBase-T
PHY.
Signed-off-by: ChunHao Lin <hau@realtek.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250516055622.3772-1-hau@realtek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The current implementation of per-pdev frequency range updates assumes that
each pdev supports only a single band. As a result in ath12k_regd_update(),
bands are handled using an if-else structure, which limits updates to only
one of the band per pdev. This assumption does not hold for all chipsets.
For example, the WCN7850 supports multiple bands within a single pdev.
Hence to accommodate such cases, update the logic to account for all band
cases by handling each band in a separate if conditions instead of the
previous if-else structure.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1
Fixes: 13324cecbb2c ("wifi: ath12k: Update frequency range if reg rules changes")
Signed-off-by: Aditya Kumar Singh <aditya.kumar.singh@oss.qualcomm.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20250520-fix_freq_range_update-v1-1-e061fd147b87@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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The function calls bitmap_empty() just before find_first_bit(). Both
functions are O(N). Because find_first_bit() returns >= nbits in case of
empty bitmap, the bitmap_empty() test may be avoided.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Acked-by: Christian Lamparter <chunkeey@gmail.com>
Link: https://patch.msgid.link/20250326155200.39895-1-yury.norov@gmail.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Fix the handling of err_wq_init and err_reg_netdev paths in
enetc4_pf_netdev_create() function.
Fixes: 6c5bafba347b ("net: enetc: add MAC filtering for i.MX95 ENETC PF")
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250516052734.3624191-1-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Allow to inherit valid properties from the dsi-controller. This fixes the
following warning when adding a panel property:
rzg2lc.dtb: dsi@10850000: '#address-cells', '#size-cells', 'panel@0' do not
match any of the regexes: 'pinctrl-[0-9]+'
from schema $id:
http://devicetree.org/schemas/display/bridge/renesas,dsi.yaml#
Also add a panel property to the example.
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250520151112.3278569-1-hugo@hugovil.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Add sgx,vz89te part number since it is similar to sgx,vz89x,
which is documented in trivial-devices.yaml.
Signed-off-by: Rodrigo Gobbi <rodrigo.gobbi.7@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250515000225.79239-1-rodrigo.gobbi.7@gmail.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Alan Maguire says:
====================
libbpf: support multi-split BTF
In discussing handling of inlines in BTF [1], one area which we may need
support for in the future is multiple split BTF, where split BTF sits
atop another split BTF which sits atop base BTF. This two-patch series
fixes one issue discovered when testing multi-split BTF and extends the
split BTF test to cover multi-split BTF also.
[1] https://lore.kernel.org/dwarves/20250416-btf_inline-v1-0-e4bd2f8adae5@meta.com/
====================
Link: https://patch.msgid.link/20250519165935.261614-1-alan.maguire@oracle.com
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
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Extend split BTF test to cover case where we create split BTF on top of
existing split BTF and add info to it; ensure that such BTF can be
created and handled by searching within it, dumping/comparing to expected.
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250519165935.261614-3-alan.maguire@oracle.com
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libbpf handling of split BTF has been written largely with the
assumption that multiple splits are possible, i.e. split BTF on top of
split BTF on top of base BTF. One area where this does not quite work
is string handling in split BTF; the start string offset should be the
base BTF string section length + the base BTF string offset. This
worked in the past because for a single split BTF with base the start
string offset was always 0.
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250519165935.261614-2-alan.maguire@oracle.com
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As discussed in the thread containing
https://lore.kernel.org/linux-crypto/20250510053308.GB505731@sol/, the
Power10-optimized Poly1305 code is currently not safe to call in softirq
context. Disable it for now. It can be re-enabled once it is fixed.
Fixes: ba8f8624fde2 ("crypto: poly1305-p10 - Glue code for optmized Poly1305 implementation for ppc64le")
Cc: stable@vger.kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This reverts commit c66d7ebbe2fa14e41913adb421090a7426f59786.
Link: https://lore.kernel.org/all/02c22854-eebf-4ad1-b89e-8c2b65ab8236@csgroup.eu/
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Commit 3ef9f710efcb ("pinctrl: mediatek: Add EINT support for multiple
addresses") introduced an access to the 'soc' field of struct
mtk_pinctrl in mtk_eint_do_init() and for that an include of
pinctrl-mtk-common-v2.h.
However, pinctrl drivers relying on the v1 common driver include
pinctrl-mtk-common.h instead, which provides another definition of
struct mtk_pinctrl that does not contain an 'soc' field.
Since mtk_eint_do_init() can be called both by v1 and v2 drivers, it
will now try to dereference an invalid pointer when called on v1
platforms. This has been observed on Genio 350 EVK (MT8365), which
crashes very early in boot (the kernel trace can only be seen with
earlycon).
In order to fix this, since 'struct mtk_pinctrl' was only needed to get
a 'struct mtk_eint_pin', make 'struct mtk_eint_pin' a parameter
of mtk_eint_do_init() so that callers need to supply it, removing
mtk_eint_do_init()'s dependency on any particular 'struct mtk_pinctrl'.
Fixes: 3ef9f710efcb ("pinctrl: mediatek: Add EINT support for multiple addresses")
Suggested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Link: https://lore.kernel.org/20250520-genio-350-eint-null-ptr-deref-fix-v2-1-6a3ca966a7ba@collabora.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Error-handling paths in msm_pinctrl_probe() don't call
a function required to unroll restart handler registration,
unregister_restart_handler(). Instead of adding calls to this function,
switch the msm pinctrl code into using devm_register_sys_off_handler().
Fixes: cf1fc1876289 ("pinctrl: qcom: use restart_notifier mechanism for ps_hold")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/20250513-pinctrl-msm-fix-v2-2-249999af0fc1@oss.qualcomm.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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On Qualcomm platforms if the board uses GPIO hogs msm_pinmux_request()
calls gpiochip_line_is_valid(). After commit 8015443e24e7 ("gpio: Hide
valid_mask from direct assignments") gpiochip_line_is_valid() uses
gc->gpiodev, which is NULL when GPIO hog pins are being processed.
Thus after this commit using GPIO hogs causes the following crash. In
order to fix this, verify that gc->gpiodev is not NULL.
Note: it is not possible to reorder calls (e.g. by calling
msm_gpio_init() before pinctrl registration or by splitting
pinctrl_register() into _and_init() and pinctrl_enable() and calling the
latter function after msm_gpio_init()) because GPIO chip registration
would fail with EPROBE_DEFER if pinctrl is not enabled at the time of
registration.
pc : gpiochip_line_is_valid+0x4/0x28
lr : msm_pinmux_request+0x24/0x40
sp : ffff8000808eb870
x29: ffff8000808eb870 x28: 0000000000000000 x27: 0000000000000000
x26: 0000000000000000 x25: ffff726240f9d040 x24: 0000000000000000
x23: ffff7262438c0510 x22: 0000000000000080 x21: ffff726243ea7000
x20: ffffab13f2c4e698 x19: 0000000000000080 x18: 00000000ffffffff
x17: ffff726242ba6000 x16: 0000000000000100 x15: 0000000000000028
x14: 0000000000000000 x13: 0000000000002948 x12: 0000000000000003
x11: 0000000000000078 x10: 0000000000002948 x9 : ffffab13f50eb5e8
x8 : 0000000003ecb21b x7 : 000000000000002d x6 : 0000000000000b68
x5 : 0000007fffffffff x4 : ffffab13f52f84a8 x3 : ffff8000808eb804
x2 : ffffab13f1de8190 x1 : 0000000000000080 x0 : 0000000000000000
Call trace:
gpiochip_line_is_valid+0x4/0x28 (P)
pin_request+0x208/0x2c0
pinmux_enable_setting+0xa0/0x2e0
pinctrl_commit_state+0x150/0x26c
pinctrl_enable+0x6c/0x2a4
pinctrl_register+0x3c/0xb0
devm_pinctrl_register+0x58/0xa0
msm_pinctrl_probe+0x2a8/0x584
sdm845_pinctrl_probe+0x20/0x88
platform_probe+0x68/0xc0
really_probe+0xbc/0x298
__driver_probe_device+0x78/0x12c
driver_probe_device+0x3c/0x160
__device_attach_driver+0xb8/0x138
bus_for_each_drv+0x84/0xe0
__device_attach+0x9c/0x188
device_initial_probe+0x14/0x20
bus_probe_device+0xac/0xb0
deferred_probe_work_func+0x8c/0xc8
process_one_work+0x208/0x5e8
worker_thread+0x1b4/0x35c
kthread+0x144/0x220
ret_from_fork+0x10/0x20
Code: b5fffba0 17fffff2 9432ec27 f9400400 (f9428800)
Fixes: 8015443e24e7 ("gpio: Hide valid_mask from direct assignments")
Reported-by: Doug Anderson <dianders@chromium.org>
Closes: https://lore.kernel.org/r/CAD=FV=Vg8_ZOLgLoC4WhFPzhVsxXFC19NrF38W6cW_W_3nFjbw@mail.gmail.com
Tested-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/20250513-pinctrl-msm-fix-v2-1-249999af0fc1@oss.qualcomm.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The pinctrl drivers are not enabled in defconfig. Instead of listing
each driver in the defconfig, enable then by default if the platform/soc
support is enabled as well.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Acked-by: Esben Haabendal <esben@geanix.com>
Link: https://lore.kernel.org/20250514131342.755840-2-alexander.stein@ew.tq-group.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Although the driver itself does not depend on OF itself, it selects
PINCTRL_IMX which depends on OF. So only select PINCTRL_IMX if OF is
already selected to ensure dependencies are met.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/20250514131342.755840-1-alexander.stein@ew.tq-group.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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There is no user of this member anymore. We can remove it.
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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No client sets 'of_node' anymore, so we don't need to handle the case in
the core anymore.
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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