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Dong Aisheng's old Freescale email is not valid anymore and bounces,
replace it by the new NXP one.
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Link: https://patch.msgid.link/20251009-m_can-update-email-address-v1-1-30a268587f69@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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A suspend/resume cycle on a down interface results in the interface
coming up in Error Active state. A suspend/resume cycle on an Up
interface will always result in Error Active state, regardless of the
actual CAN state.
During suspend, only set running interfaces to CAN_STATE_SLEEPING.
During resume only touch the CAN state of running interfaces. For
wakeup sources, set the CAN state depending on the Protocol Status
Regitser (PSR), for non wakeup source interfaces m_can_start() will do
the same.
Fixes: e0d1f4816f2a ("can: m_can: add Bosch M_CAN controller support")
Reviewed-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://patch.msgid.link/20250929-m_can-fix-state-handling-v4-4-682b49b49d9a@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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In some SoCs (observed on the STM32MP15) the M_CAN IP core keeps the
CAN state and CAN error counters over an internal reset cycle. An
external reset is not always possible, due to the shared reset with
the other CAN core. This caused the core not always be in Error Active
state when bringing up the controller.
Instead of always setting the CAN state to Error Active in
m_can_chip_config(), fix this by reading and decoding the Protocol
Status Regitser (PSR) and set the CAN state accordingly.
Fixes: e0d1f4816f2a ("can: m_can: add Bosch M_CAN controller support")
Reviewed-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://patch.msgid.link/20250929-m_can-fix-state-handling-v4-3-682b49b49d9a@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Active
The CAN Error State is determined by the receive and transmit error
counters. The CAN error counters decrease when reception/transmission
is successful, so that a status transition back to the Error Active
status is possible. This transition is not handled by
m_can_handle_state_errors().
Add the missing detection of the Error Active state to
m_can_handle_state_errors() and extend the handling of this state in
m_can_handle_state_change().
Fixes: e0d1f4816f2a ("can: m_can: add Bosch M_CAN controller support")
Fixes: cd0d83eab2e0 ("can: m_can: m_can_handle_state_change(): fix state change")
Reviewed-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://patch.msgid.link/20250929-m_can-fix-state-handling-v4-2-682b49b49d9a@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Commit 227619c3ff7c ("can: m_can: move runtime PM enable/disable to
m_can_platform") moved the PM runtime enable from the m_can core
driver into the m_can_platform.
That patch forgot to move the pm_runtime_disable() to
m_can_plat_remove(), so that unloading the m_can_platform driver
causes an "Unbalanced pm_runtime_enable!" error message.
Add the missing pm_runtime_disable() to m_can_plat_remove() to fix the
problem.
Cc: Patrik Flykt <patrik.flykt@linux.intel.com>
Fixes: 227619c3ff7c ("can: m_can: move runtime PM enable/disable to m_can_platform")
Reviewed-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://patch.msgid.link/20250929-m_can-fix-state-handling-v4-1-682b49b49d9a@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The gs_usb driver supports USB devices with more than 1 CAN channel.
In old kernel before 3.15, it uses net_device->dev_id to distinguish
different channel in userspace, which was done in commit
acff76fa45b4 ("can: gs_usb: gs_make_candev(): set netdev->dev_id").
But since 3.15, the correct way is populating net_device->dev_port.
And according to documentation, if network device support multiple
interface, lack of net_device->dev_port SHALL be treated as a bug.
Fixes: acff76fa45b4 ("can: gs_usb: gs_make_candev(): set netdev->dev_id")
Cc: stable@vger.kernel.org
Signed-off-by: Celeste Liu <uwu@coelacanthus.name>
Link: https://patch.msgid.link/20250930-gs-usb-populate-net_device-dev_port-v1-1-68a065de6937@coelacanthus.name
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This issue was found by Runcheng Lu when develop HSCanT USB to CAN FD
converter[1]. The original developers may have only 3 interfaces
device to test so they write 3 here and wait for future change.
During the HSCanT development, we actually used 4 interfaces, so the
limitation of 3 is not enough now. But just increase one is not
future-proofed. Since the channel index type in gs_host_frame is u8,
just make canch[] become a flexible array with a u8 index, so it
naturally constraint by U8_MAX and avoid statically allocate 256
pointer for every gs_usb device.
[1]: https://github.com/cherry-embedded/HSCanT-hardware
Fixes: d08e973a77d1 ("can: gs_usb: Added support for the GS_USB CAN devices")
Reported-by: Runcheng Lu <runcheng.lu@hpmicro.com>
Cc: stable@vger.kernel.org
Reviewed-by: Vincent Mailhol <mailhol@kernel.org>
Signed-off-by: Celeste Liu <uwu@coelacanthus.name>
Link: https://patch.msgid.link/20250930-gs-usb-max-if-v5-1-863330bf6666@coelacanthus.name
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The TPS23881 improves on the TPS23880 with current sense resistors reduced
from 255 mOhm to 200 mOhm. This has a direct impact on the scaling of the
current measurement. However, the latest TPS23881 data sheet from May 2023
still shows the scaling of the TPS23880 model.
Fixes: 7f076ce3f1733 ("net: pse-pd: tps23881: Add support for power limit and measurement features")
Signed-off-by: Thomas Wismer <thomas.wismer@scs.ch>
Acked-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20251006204029.7169-2-thomas@wismer.xyz
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Old binutils versions require a slightly stricter syntax for the .arch_extension
directive and fail with the extra semicolon:
/tmp/cclfMnj9.s:656: Error: unknown architectural extension `simd;'
Drop the semicolon to make it work with all supported toolchain version.
Link: https://lore.kernel.org/all/20251001163655.GA370262@ax162/
Reported-by: Paolo Abeni <pabeni@redhat.com>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Suggested-by: Nathan Chancellor <nathan@kernel.org>
Fixes: fd8c8216648c ("net/mlx5: Improve write-combining test reliability for ARM64 Grace CPUs")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Patrisious Haddad <phaddad@nvidia.com>
Link: https://patch.msgid.link/20251006115640.497169-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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PSP support requires a set of cap bits to be set, otherwise an init
error is logged.
But logging an error when PSP cannot be initialized is too much, and not
in line with other features. If a feature cannot be initialized because
it is not supported, that's not an error. An error should only be
printed when the feature cannot be initialized because of an actual
error.
Fixes: 89ee2d92f66c ("net/mlx5e: Support PSP offload functionality")
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1759652999-858513-4-git-send-email-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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When configuring IPsec packet offload in tunnel mode, the driver tries
to create tunnel reformat objects unconditionally. This is incorrect,
because tunnel mode is only permitted under specific encapsulation
settings, and that decision is already made when the flow table is
created.
The offending commit attempted to block this case in the state add
path, but the check there happens too late and does not prevent the
reformat from being configured.
Fix by taking short reservations for both the eswitch mode and the
encap at the start of state setup. This preserves the block ordering
(mode --> encap) used later: the mode is blocked during RX/TX get, and
the encap is blocked during flow-table creation. This lets us fail
early if either reservation cannot be obtained, it means a mode
transition is underway or a conflicting configuration already owns
encap. If both succeed, the flow-table path later takes the ownership
and the reservations are released on exit.
Fixes: 146c196b60e4 ("net/mlx5e: Create IPsec table with tunnel support only when encap is disabled")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1759652999-858513-3-git-send-email-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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When creating IPsec flow tables with tunnel mode enabled, the driver
uses mlx5_eswitch_block_encap() to prevent tunnel encapsulation
conflicts across different domains (NIC_RX/NIC_TX and FDB), since the
firmware doesn’t allow both at the same time.
Currently, the driver attempts to reserve tunnel mode unconditionally
for both NIC and FDB IPsec tables. This can lead to conflicting tunnel
mode setups, for example, if a flow table was created in the FDB
domain with tunnel offload enabled, and we later try to create another
one in the NIC, or vice versa.
To resolve this, adjust the blocking logic so that tunnel mode is only
reserved by NIC flows. This ensures that tunnel offload is exclusively
used in either the NIC or the FDB, and avoids unintended offload
conflicts.
Fixes: 1762f132d542 ("net/mlx5e: Support IPsec packet offload for RX in switchdev mode")
Fixes: c6c2bf5db4ea ("net/mlx5e: Support IPsec packet offload for TX in switchdev mode")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1759652999-858513-2-git-send-email-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Prevent USB runtime PM (autosuspend) for AX88772* in bind.
usbnet enables runtime PM (autosuspend) by default, so disabling it via
the usb_driver flag is ineffective. On AX88772B, autosuspend shows no
measurable power saving with current driver (no link partner, admin
up/down). The ~0.453 W -> ~0.248 W drop on v6.1 comes from phylib powering
the PHY off on admin-down, not from USB autosuspend.
The real hazard is that with runtime PM enabled, ndo_open() (under RTNL)
may synchronously trigger autoresume (usb_autopm_get_interface()) into
asix_resume() while the USB PM lock is held. Resume paths then invoke
phylink/phylib and MDIO, which also expect RTNL, leading to possible
deadlocks or PM lock vs MDIO wake issues.
To avoid this, keep the device runtime-PM active by taking a usage
reference in ax88772_bind() and dropping it in unbind(). A non-zero PM
usage count blocks runtime suspend regardless of userspace policy
(.../power/control - pm_runtime_allow/forbid), making this approach
robust against sysfs overrides.
Holding a runtime-PM usage ref does not affect system-wide suspend;
system sleep/resume callbacks continue to run as before.
Fixes: 4a2c7217cd5a ("net: usb: asix: ax88772: manage PHY PM from MAC")
Reported-by: Hubert Wiśniewski <hubert.wisniewski.25632@gmail.com>
Closes: https://lore.kernel.org/all/DCGHG5UJT9G3.2K1GHFZ3H87T0@gmail.com
Tested-by: Hubert Wiśniewski <hubert.wisniewski.25632@gmail.com>
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Closes: https://lore.kernel.org/all/b5ea8296-f981-445d-a09a-2f389d7f6fdd@samsung.com
Cc: stable@vger.kernel.org
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://patch.msgid.link/20251005081203.3067982-1-o.rempel@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Linters are still not very happy with our __init__ files,
which was pointed out in recent review (see Link).
We have previously started importing things one by one to
make linters happy with the test files (which import from __init__).
But __init__ file itself still makes linters unhappy.
To clean it up I believe we must completely remove the wildcard
imports, and assign the imported modules to __all__.
hds.py needs to be fixed because it seems to be importing
the Python standard random from lib.net.
We can't use ksft_pr() / ktap_result() in case importing
from net.lib fails. Linters complain that those helpers
themselves may not have been imported.
Link: https://lore.kernel.org/9d215979-6c6d-4e9b-9cdd-39cff595866e@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20251003164748.860042-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The sparx5 driver programs UC/MC/BC flooding in sparx5_update_fwd() by
unconditionally applying bridge_fwd_mask to all flood PGIDs. Any bridge
topology change that triggers sparx5_update_fwd() (for example enslaving
another port) therefore reinstalls flooding in hardware for already
bridged ports, regardless of their per-port flood flags.
This results in clobbering of the flood masks, and desynchronization
between software and hardware: the bridge still reports “flood off” for
the port, but hardware has flooding enabled due to unconditional PGID
reprogramming.
Steps to reproduce:
$ ip link add br0 type bridge
$ ip link set br0 up
$ ip link set eth0 master br0
$ ip link set eth0 up
$ bridge link set dev eth0 flood off
$ ip link set eth1 master br0
$ ip link set eth1 up
At this point, flooding is silently re-enabled for eth0. Software still
shows “flood off” for eth0, but hardware has flooding enabled.
To fix this, flooding is now set explicitly during bridge join/leave,
through sparx5_port_attr_bridge_flags():
On bridge join, UC/MC/BC flooding is enabled by default.
On bridge leave, UC/MC/BC flooding is disabled.
sparx5_update_fwd() no longer touches the flood PGIDs, clobbering
the flood masks, and desynchronizing software and hardware.
Initialization of the flooding PGIDs have been moved to
sparx5_start(). This is required as flooding PGIDs defaults to
0x3fffffff in hardware and the initialization was previously handled
in sparx5_update_fwd(), which was removed.
With this change, user-configured flooding flags persist across bridge
updates and are no longer overridden by sparx5_update_fwd().
Fixes: d6fce5141929 ("net: sparx5: add switching support")
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20251003-fix-flood-fwd-v1-1-48eb478b2904@microchip.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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When accessing an MDIO register using single-byte smbus accesses, we have to
perform 2 consecutive operations targeting the same address,
first accessing the MSB then the LSB of the 16 bit register:
read_1_byte(addr); <- returns MSB of register at address 'addr'
read_1_byte(addr); <- returns LSB
Some PHY devices present in SFP such as the Broadcom 5461 don't like
seeing foreign i2c transactions in-between these 2 smbus accesses, and
will return the MSB a second time when trying to read the LSB :
read_1_byte(addr); <- returns MSB
i2c_transaction_for_other_device_on_the_bus();
read_1_byte(addr); <- returns MSB again
Given the already fragile nature of accessing PHYs/SFPs with single-byte
smbus accesses, it's safe to say that this Broadcom PHY may not be the
only one acting like this.
Let's therefore hold the i2c bus lock while performing our smbus
transactions to avoid interleaved accesses.
Fixes: d4bd3aca33c2 ("net: mdio: mdio-i2c: Add support for single-byte SMBus operations")
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20251003070311.861135-1-maxime.chevallier@bootlin.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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We get a significant number of conflicts between net and net-next
because of selftests Makefile changes. People tend to append new
test cases at the end of the Makefile when there's no clear sort
order. Sort all networking selftests Makefiles, use the following
format:
VAR_NAME := \
entry1 \
entry2 \
entry3 \
# end of VAR_NAME
Some Makefiles are already pretty close to this.
Acked-by: Antonio Quartulli <antonio@openvpn.net>
Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Acked-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/20251003210127.1021918-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Sort config files for networking selftests. This should help us
avoid merge conflicts between net and net-next. patchwork check
will be added to prevent new issues.
Acked-by: Phil Sutter <phil@nwl.cc>
Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Acked-by: Florian Westphal <fw@strlen.de>
Acked-by: Antonio Quartulli <antonio@openvpn.net>
Link: https://patch.msgid.link/20251003205736.1019673-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Some applications (like selftests/net/tcp_mmap.c) call SO_RCVLOWAT
on their listener, before accept().
This has an unfortunate effect on wscale selection in
tcp_select_initial_window() during 3WHS.
For instance, tcp_mmap was negotiating wscale 4, regardless
of tcp_rmem[2] and sysctl_rmem_max.
Do not change tp->window_clamp if it is zero
or bigger than our computed value.
Zero value is special, it allows tcp_select_initial_window()
to enable autotuning.
Note that SO_RCVLOWAT use on listener is probably not wise,
because tp->scaling_ratio has a default value, possibly wrong.
Fixes: d1361840f8c5 ("tcp: fix SO_RCVLOWAT and RCVBUF autotuning")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Link: https://patch.msgid.link/20251003184119.2526655-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Helge reported that the introduction of PP_MAGIC_MASK let to crashes on
boot on his 32-bit parisc machine. The cause of this is the mask is set
too wide, so the page_pool_page_is_pp() incurs false positives which
crashes the machine.
Just disabling the check in page_pool_is_pp() will lead to the page_pool
code itself malfunctioning; so instead of doing this, this patch changes
the define for PP_DMA_INDEX_BITS to avoid mistaking arbitrary kernel
pointers for page_pool-tagged pages.
The fix relies on the kernel pointers that alias with the pp_magic field
always being above PAGE_OFFSET. With this assumption, we can use the
lowest bit of the value of PAGE_OFFSET as the upper bound of the
PP_DMA_INDEX_MASK, which should avoid the false positives.
Because we cannot rely on PAGE_OFFSET always being a compile-time
constant, nor on it always being >0, we fall back to disabling the
dma_index storage when there are not enough bits available. This leaves
us in the situation we were in before the patch in the Fixes tag, but
only on a subset of architecture configurations. This seems to be the
best we can do until the transition to page types in complete for
page_pool pages.
v2:
- Make sure there's at least 8 bits available and that the PAGE_OFFSET
bit calculation doesn't wrap
Link: https://lore.kernel.org/all/aMNJMFa5fDalFmtn@p100/
Fixes: ee62ce7a1d90 ("page_pool: Track DMA-mapped pages and unmap them when destroying the pool")
Cc: stable@vger.kernel.org # 6.15+
Tested-by: Helge Deller <deller@gmx.de>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Tested-by: Helge Deller <deller@gmx.de>
Link: https://patch.msgid.link/20250930114331.675412-1-toke@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add missing of_node_put call to release device node tbi obtained
via for_each_child_of_node.
Fixes: afae5ad78b342 ("net/fsl_pq_mdio: streamline probing of MDIO nodes")
Signed-off-by: Erick Karanja <karanja99erick@gmail.com>
Link: https://patch.msgid.link/20251002174617.960521-1-karanja99erick@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When ice_adapter_new() fails, the reserved XArray entry created by
xa_insert() is not released. This causes subsequent insertions at
the same index to return -EBUSY, potentially leading to
NULL pointer dereferences.
Reorder the operations as suggested by Przemek Kitszel:
1. Check if adapter already exists (xa_load)
2. Reserve the XArray slot (xa_reserve)
3. Allocate the adapter (ice_adapter_new)
4. Store the adapter (xa_store)
Fixes: 0f0023c649c7 ("ice: do not init struct ice_adapter more times than needed")
Suggested-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Suggested-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20251001115336.1707-1-vulab@iscas.ac.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix functions that return undefined values. These issues were caught by
running clang using LLVM=1 option.
Clang warnings are as follows:
ovpn-cli.c:1587:6: warning: variable 'ret' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
1587 | if (!sock) {
| ^~~~~
ovpn-cli.c:1635:9: note: uninitialized use occurs here
1635 | return ret;
| ^~~
ovpn-cli.c:1587:2: note: remove the 'if' if its condition is always false
1587 | if (!sock) {
| ^~~~~~~~~~~~
1588 | fprintf(stderr, "cannot allocate netlink socket\n");
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1589 | goto err_free;
| ~~~~~~~~~~~~~~
1590 | }
| ~
ovpn-cli.c:1584:15: note: initialize the variable 'ret' to silence this warning
1584 | int mcid, ret;
| ^
| = 0
ovpn-cli.c:2107:7: warning: variable 'ret' is used uninitialized whenever switch case is taken [-Wsometimes-uninitialized]
2107 | case CMD_INVALID:
| ^~~~~~~~~~~
ovpn-cli.c:2111:9: note: uninitialized use occurs here
2111 | return ret;
| ^~~
ovpn-cli.c:1939:12: note: initialize the variable 'ret' to silence this warning
1939 | int n, ret;
| ^
|
Fixes: 959bc330a439 ("testing/selftests: add test tool and scripts for ovpn module")
Signed-off-by: Sidharth Seela <sidharthseela@gmail.com>
Link: https://patch.msgid.link/20251001123107.96244-2-sidharthseela@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The origin code calls cancel_delayed_work() in ocelot_stats_deinit()
to cancel the cyclic delayed work item ocelot->stats_work. However,
cancel_delayed_work() may fail to cancel the work item if it is already
executing. While destroy_workqueue() does wait for all pending work items
in the work queue to complete before destroying the work queue, it cannot
prevent the delayed work item from being rescheduled within the
ocelot_check_stats_work() function. This limitation exists because the
delayed work item is only enqueued into the work queue after its timer
expires. Before the timer expiration, destroy_workqueue() has no visibility
of this pending work item. Once the work queue appears empty,
destroy_workqueue() proceeds with destruction. When the timer eventually
expires, the delayed work item gets queued again, leading to the following
warning:
workqueue: cannot queue ocelot_check_stats_work on wq ocelot-switch-stats
WARNING: CPU: 2 PID: 0 at kernel/workqueue.c:2255 __queue_work+0x875/0xaf0
...
RIP: 0010:__queue_work+0x875/0xaf0
...
RSP: 0018:ffff88806d108b10 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000101 RCX: 0000000000000027
RDX: 0000000000000027 RSI: 0000000000000004 RDI: ffff88806d123e88
RBP: ffffffff813c3170 R08: 0000000000000000 R09: ffffed100da247d2
R10: ffffed100da247d1 R11: ffff88806d123e8b R12: ffff88800c00f000
R13: ffff88800d7285c0 R14: ffff88806d0a5580 R15: ffff88800d7285a0
FS: 0000000000000000(0000) GS:ffff8880e5725000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe18e45ea10 CR3: 0000000005e6c000 CR4: 00000000000006f0
Call Trace:
<IRQ>
? kasan_report+0xc6/0xf0
? __pfx_delayed_work_timer_fn+0x10/0x10
? __pfx_delayed_work_timer_fn+0x10/0x10
call_timer_fn+0x25/0x1c0
__run_timer_base.part.0+0x3be/0x8c0
? __pfx_delayed_work_timer_fn+0x10/0x10
? rcu_sched_clock_irq+0xb06/0x27d0
? __pfx___run_timer_base.part.0+0x10/0x10
? try_to_wake_up+0xb15/0x1960
? _raw_spin_lock_irq+0x80/0xe0
? __pfx__raw_spin_lock_irq+0x10/0x10
tmigr_handle_remote_up+0x603/0x7e0
? __pfx_tmigr_handle_remote_up+0x10/0x10
? sched_balance_trigger+0x1c0/0x9f0
? sched_tick+0x221/0x5a0
? _raw_spin_lock_irq+0x80/0xe0
? __pfx__raw_spin_lock_irq+0x10/0x10
? tick_nohz_handler+0x339/0x440
? __pfx_tmigr_handle_remote_up+0x10/0x10
__walk_groups.isra.0+0x42/0x150
tmigr_handle_remote+0x1f4/0x2e0
? __pfx_tmigr_handle_remote+0x10/0x10
? ktime_get+0x60/0x140
? lapic_next_event+0x11/0x20
? clockevents_program_event+0x1d4/0x2a0
? hrtimer_interrupt+0x322/0x780
handle_softirqs+0x16a/0x550
irq_exit_rcu+0xaf/0xe0
sysvec_apic_timer_interrupt+0x70/0x80
</IRQ>
...
The following diagram reveals the cause of the above warning:
CPU 0 (remove) | CPU 1 (delayed work callback)
mscc_ocelot_remove() |
ocelot_deinit() | ocelot_check_stats_work()
ocelot_stats_deinit() |
cancel_delayed_work()| ...
| queue_delayed_work()
destroy_workqueue() | (wait a time)
| __queue_work() //UAF
The above scenario actually constitutes a UAF vulnerability.
The ocelot_stats_deinit() is only invoked when initialization
failure or resource destruction, so we must ensure that any
delayed work items cannot be rescheduled.
Replace cancel_delayed_work() with disable_delayed_work_sync()
to guarantee proper cancellation of the delayed work item and
ensure completion of any currently executing work before the
workqueue is deallocated.
A deadlock concern was considered: ocelot_stats_deinit() is called
in a process context and is not holding any locks that the delayed
work item might also need. Therefore, the use of the _sync() variant
is safe here.
This bug was identified through static analysis. To reproduce the
issue and validate the fix, I simulated ocelot-switch device by
writing a kernel module and prepared the necessary resources for
the virtual ocelot-switch device's probe process. Then, removing
the virtual device will trigger the mscc_ocelot_remove() function,
which in turn destroys the workqueue.
Fixes: a556c76adc05 ("net: mscc: Add initial Ocelot switch support")
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Link: https://patch.msgid.link/20251001011149.55073-1-duoming@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
syzbot reported the splat below in tcp_conn_request(). [0]
If a listener is close()d while a TFO socket is being processed in
tcp_conn_request(), inet_csk_reqsk_queue_add() does not set reqsk->sk
and calls inet_child_forget(), which calls tcp_disconnect() for the
TFO socket.
After the cited commit, tcp_disconnect() calls reqsk_fastopen_remove(),
where reqsk_put() is called due to !reqsk->sk.
Then, reqsk_fastopen_remove() in tcp_conn_request() decrements the
last req->rsk_refcnt and frees reqsk, and __reqsk_free() at the
drop_and_free label causes the refcount underflow for the listener
and double-free of the reqsk.
Let's remove reqsk_fastopen_remove() in tcp_conn_request().
Note that other callers make sure tp->fastopen_rsk is not NULL.
[0]:
refcount_t: underflow; use-after-free.
WARNING: CPU: 12 PID: 5563 at lib/refcount.c:28 refcount_warn_saturate (lib/refcount.c:28)
Modules linked in:
CPU: 12 UID: 0 PID: 5563 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:refcount_warn_saturate (lib/refcount.c:28)
Code: ab e8 8e b4 98 ff 0f 0b c3 cc cc cc cc cc 80 3d a4 e4 d6 01 00 75 9c c6 05 9b e4 d6 01 01 48 c7 c7 e8 df fb ab e8 6a b4 98 ff <0f> 0b e9 03 5b 76 00 cc 80 3d 7d e4 d6 01 00 0f 85 74 ff ff ff c6
RSP: 0018:ffffa79fc0304a98 EFLAGS: 00010246
RAX: d83af4db1c6b3900 RBX: ffff9f65c7a69020 RCX: d83af4db1c6b3900
RDX: 0000000000000000 RSI: 00000000ffff7fff RDI: ffffffffac78a280
RBP: 000000009d781b60 R08: 0000000000007fff R09: ffffffffac6ca280
R10: 0000000000017ffd R11: 0000000000000004 R12: ffff9f65c7b4f100
R13: ffff9f65c7d23c00 R14: ffff9f65c7d26000 R15: ffff9f65c7a64ef8
FS: 00007f9f962176c0(0000) GS:ffff9f65fcf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000180 CR3: 000000000dbbe006 CR4: 0000000000372ef0
Call Trace:
<IRQ>
tcp_conn_request (./include/linux/refcount.h:400 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/sock.h:1965 ./include/net/request_sock.h:131 net/ipv4/tcp_input.c:7301)
tcp_rcv_state_process (net/ipv4/tcp_input.c:6708)
tcp_v6_do_rcv (net/ipv6/tcp_ipv6.c:1670)
tcp_v6_rcv (net/ipv6/tcp_ipv6.c:1906)
ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:438)
ip6_input (net/ipv6/ip6_input.c:500)
ipv6_rcv (net/ipv6/ip6_input.c:311)
__netif_receive_skb (net/core/dev.c:6104)
process_backlog (net/core/dev.c:6456)
__napi_poll (net/core/dev.c:7506)
net_rx_action (net/core/dev.c:7569 net/core/dev.c:7696)
handle_softirqs (kernel/softirq.c:579)
do_softirq (kernel/softirq.c:480)
</IRQ>
Fixes: 45c8a6cc2bcd ("tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect().")
Reported-by: syzkaller <syzkaller@googlegroups.com>
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20251001233755.1340927-1-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
add support for HP DRMR-H01 (0x03f0, 0x09c8)
Signed-off-by: Sammy Hsu <sammy.hsu@wnc.com.tw>
Link: https://patch.msgid.link/20251002024841.5979-1-sammy.hsu@wnc.com.tw
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
If new_asoc->peer.adaptation_ind=0 and sctp_ulpevent_make_authkey=0
and sctp_ulpevent_make_authkey() returns 0, then the variable
ai_ev remains zero and the zero will be dereferenced
in the sctp_ulpevent_free() function.
Signed-off-by: Alexandr Sapozhnikov <alsp705@gmail.com>
Acked-by: Xin Long <lucien.xin@gmail.com>
Fixes: 30f6ebf65bc4 ("sctp: add SCTP_AUTH_NO_AUTH type for AUTHENTICATION_EVENT")
Link: https://patch.msgid.link/20251002091448.11-1-alsp705@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Fix typos in doc comments.
Signed-off-by: Bhanu Seshu Kumar Valluri <bhanuseshukumar@gmail.com>
Link: https://patch.msgid.link/20251001105715.50462-1-bhanuseshukumar@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Rx path may be passing around unreferenced sockets, which means
that skb_set_owner_edemux() may not set skb->sk and PSP will crash:
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
RIP: 0010:psp_reply_set_decrypted (./include/net/psp/functions.h:132 net/psp/psp_sock.c:287)
tcp_v6_send_response.constprop.0 (net/ipv6/tcp_ipv6.c:979)
tcp_v6_send_reset (net/ipv6/tcp_ipv6.c:1140 (discriminator 1))
tcp_v6_do_rcv (net/ipv6/tcp_ipv6.c:1683)
tcp_v6_rcv (net/ipv6/tcp_ipv6.c:1912)
Fixes: 659a2899a57d ("tcp: add datapath logic for PSP with inline key exchange")
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20251001022426.2592750-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Print "entry->mac" before freeing "entry". The "entry" pointer is
freed with kfree_rcu() so it's unlikely that we would trigger this
in real life, but it's safer to re-order it.
Fixes: cc5387f7346a ("net/mlx4_en: Add unicast MAC filtering")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/aNvMHX4g8RksFFvV@stanley.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
lan78xx_read_raw_eeprom
Syzbot reported read of uninitialized variable BUG with following call stack.
lan78xx 8-1:1.0 (unnamed net_device) (uninitialized): EEPROM read operation timeout
=====================================================
BUG: KMSAN: uninit-value in lan78xx_read_eeprom drivers/net/usb/lan78xx.c:1095 [inline]
BUG: KMSAN: uninit-value in lan78xx_init_mac_address drivers/net/usb/lan78xx.c:1937 [inline]
BUG: KMSAN: uninit-value in lan78xx_reset+0x999/0x2cd0 drivers/net/usb/lan78xx.c:3241
lan78xx_read_eeprom drivers/net/usb/lan78xx.c:1095 [inline]
lan78xx_init_mac_address drivers/net/usb/lan78xx.c:1937 [inline]
lan78xx_reset+0x999/0x2cd0 drivers/net/usb/lan78xx.c:3241
lan78xx_bind+0x711/0x1690 drivers/net/usb/lan78xx.c:3766
lan78xx_probe+0x225c/0x3310 drivers/net/usb/lan78xx.c:4707
Local variable sig.i.i created at:
lan78xx_read_eeprom drivers/net/usb/lan78xx.c:1092 [inline]
lan78xx_init_mac_address drivers/net/usb/lan78xx.c:1937 [inline]
lan78xx_reset+0x77e/0x2cd0 drivers/net/usb/lan78xx.c:3241
lan78xx_bind+0x711/0x1690 drivers/net/usb/lan78xx.c:3766
The function lan78xx_read_raw_eeprom failed to properly propagate EEPROM
read timeout errors (-ETIMEDOUT). In the fallthrough path, it first
attempted to restore the pin configuration for LED outputs and then
returned only the status of that restore operation, discarding the
original timeout error.
As a result, callers could mistakenly treat the data buffer as valid
even though the EEPROM read had actually timed out with no data or partial
data.
To fix this, handle errors in restoring the LED pin configuration separately.
If the restore succeeds, return any prior EEPROM timeout error correctly
to the caller.
Reported-by: syzbot+62ec8226f01cb4ca19d9@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=62ec8226f01cb4ca19d9
Fixes: 8b1b2ca83b20 ("net: usb: lan78xx: Improve error handling in EEPROM and OTP operations")
Signed-off-by: Bhanu Seshu Kumar Valluri <bhanuseshukumar@gmail.com>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://patch.msgid.link/20250930084902.19062-1-bhanuseshukumar@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
The round_rate() clk ops is deprecated, so migrate this driver from
round_rate() to determine_rate() using the Coccinelle semantic patch
on the cover letter of this series.
Signed-off-by: Brian Masney <bmasney@redhat.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20251001061100.372737-1-linus.walleij@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
|
The CONFIG_NFC_SHDLC=m setting in u8500_defconfig causes a Kconfig
warning because the NFC_SHDLC symbol does not support being built
as a module.
Change the selection from 'm' to 'y' to build the driver in-kernel.
Fixes: 344cad0660ea0 ("ARM: configs: Update U8500 defconfig")
Signed-off-by: Jihed Chaibi <jihed.chaibi.dev@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250930122709.28987-1-linus.walleij@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
|
Extend the list of supported devices with the QIXIS FPGA found on the
LX2160ARDB board.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
Reorder the of_device_id structures so that they are in alphabetical
order.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
Update the main TI TWL-family binding to be self-contained and to fix
pre-existing validation errors.
To ensure future patches are bisectable, child nodes whose bindings
are in other patches (audio, keypad, usb, etc.) are now defined using
a flexible 'additionalProperties: true' pattern. This removes hard
dependencies between the MFD and subsystem bindings.
The complete dtbs_check for this binding is clean except for two
warnings originating from pre-existing bugs in the OMAP DTS files,
for which fixes have already been submitted separately [1][2].
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Uwe Kleine-König <ukleinek@kernel.org>
Signed-off-by: Jihed Chaibi <jihed.chaibi.dev@gmail.com>
Reviewed-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
The SMARC-sAM67 board has an on-board uC which has the same register
interface as the older CPLD implementation on the SMARC-sAL28 board.
Although the MCU emulates the same behavior, be prepared for any quirks
and add a board specific compatible.
Signed-off-by: Michael Walle <mwalle@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
Setting the signal names in the device tree was already possible, but
it will lead to a warning. Allow the gpio-line-names property to fix
that.
Signed-off-by: Michael Walle <mwalle@kernel.org>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
Add Intel Wildcat Lake PCI IDs.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20250915112936.10696-1-ilpo.jarvinen@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
Add a cell for the PMIC's onboard General Purpose ADC.
Acked-by: Karel Balej <balejk@matfyz.cz> # for the PMIC
Signed-off-by: Duje Mihanović <duje@dujemihanovic.xyz>
Link: https://lore.kernel.org/r/20250911-88pm886-gpadc-v4-3-60452710d3a0@dujemihanovic.xyz
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
The (typeof(foo)) construct is unusual in the kernel, use a more typical
syntax by explicitly spelling out the type.
Link: https://lore.kernel.org/all/20250909-gpio-mmio-gpio-conv-part4-v1-13-9f723dc3524a@linaro.org/
Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20250910-make-compound-literals-normal-again-v1-1-076ee7738a0b@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
The NFCR register for MTU5 is at 0x1a95 offset according to Datasheet
Page 725, Table 16.4. The address of all registers is offset by 0x1200,
making the proper address of MTU5 NFCR register be 0x895.
Cc: stable@vger.kernel.org
Fixes: 654c293e1687 ("mfd: Add Renesas RZ/G2L MTU3a core driver")
Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20250910175914.12956-1-cosmin-gabriel.tanislav.xa@renesas.com
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
Current implementation describes only MFD's own topsys interrupts.
However, max77705 has a register which indicates interrupt source, i.e.
it acts as an interrupt controller. There's 4 interrupt sources in
max77705: topsys, charger, fuelgauge, usb type-c manager.
Setup max77705 MFD parent as an interrupt controller. Delete topsys
interrupts because currently unused.
Remove shared interrupt flag, because we're are an interrupt controller
now, and subdevices should request interrupts from us.
Fixes: c8d50f029748 ("mfd: Add new driver for MAX77705 PMIC")
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Link: https://lore.kernel.org/r/20250909-max77705-fix_interrupt_handling-v3-1-233c5a1a20b5@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
Now the individual child drivers mask their own IRQs there is no need
for the MFD code to do so anymore.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20250903094549.271068-7-ckeepax@opensource.cirrus.com
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
As pm_runtime_force_suspend() will force the device state to suspend,
the driver needs to ensure no IRQ handlers are currently running. If not
those handlers may find they are now running on suspended hardware
despite holding a PM runtime reference. disable_irq() will sync any
currently running handlers, so move the IRQ disabling to cover the whole
of the forced suspend state to avoid such race conditions.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20250903094549.271068-6-ckeepax@opensource.cirrus.com
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
Since the display is a sub-function of the Loongson-2K BMC, when the
BMC reset, the entire BMC PCIe is disconnected, including the display
which is interrupted.
Quick overview of the entire LS2K BMC reset process:
There are two types of reset methods: soft reset (BMC-initiated reboot
of IPMI reset command) and BMC watchdog reset (watchdog timeout).
First, regardless of the method, an interrupt is generated (PCIe interrupt
for soft reset/GPIO interrupt for watchdog reset);
Second, during the interrupt process, the system enters bmc_reset_work,
clears the bus/IO/mem resources of the LS7A PCI-E bridge, waits for the BMC
reset to begin, then restores the parent device's PCI configuration space,
waits for the BMC reset to complete, and finally restores the BMC PCI
configuration space.
Display restoration occurs last.
Co-developed-by: Chong Qiao <qiaochong@loongson.cn>
Signed-off-by: Chong Qiao <qiaochong@loongson.cn>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Acked-by: Corey Minyard <corey@minyard.net>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Link: https://lore.kernel.org/r/de4e04b42ff9ee282f86f9bb9efbf959a9848205.1756987761.git.zhoubinbin@loongson.cn
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
The Loongson-2K Board Management Controller provides an PCIe interface
to the host to access the feature implemented in the BMC.
The BMC is assembled on a server similar to the server machine with
Loongson-3 CPU. It supports multiple sub-devices like DRM and IPMI.
Co-developed-by: Chong Qiao <qiaochong@loongson.cn>
Signed-off-by: Chong Qiao <qiaochong@loongson.cn>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Acked-by: Corey Minyard <corey@minyard.net>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Link: https://lore.kernel.org/r/0dc1fd53020ce2562453961ffed2cd9eb8f359e1.1756987761.git.zhoubinbin@loongson.cn
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
Add core support for ROHM BD718(15/28/78) PMIC's charger blocks.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Link: https://lore.kernel.org/r/20250821-bd71828-charger-v3-1-cc74ac4e0fb9@kemnade.info
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
Add SCU interrupt controller compatible strings for the AST2700 SoC:
scu-ic0 to 3. This extends the MFD binding to support AST2700-based
platforms.
Signed-off-by: Ryan Chen <ryan_chen@aspeedtech.com>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250831021438.976893-3-ryan_chen@aspeedtech.com
Signed-off-by: Lee Jones <lee@kernel.org>
|
|
Convert the aspeed,ast2x00-p2a-ctrl binding to DT schema format. The schema
is simple enough to just add it to the parent aspeed,ast2x00-scu binding.
Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org>
Acked-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Link: https://lore.kernel.org/r/20250829230450.1496151-1-robh@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
|
