Commit Graph

4428 Commits

Author SHA1 Message Date
Linus Torvalds
6505114e82 soc: arm code changes for 7.2
The largest addition here is the revived support for the ZTE ZX
 SoC platform, though this mostly documentation.
 
 The other changes are code cleanups that deal with continued
 conversion of the GPIO library away from GPIO numbers to
 descriptors and a few minor bugfixes.
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Merge tag 'soc-arm-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull arm SoC code updates from Arnd Bergmann:
 "The largest addition here is the revived support for the ZTE ZX SoC
  platform, though this mostly documentation.

  The other changes are code cleanups that deal with continued
  conversion of the GPIO library away from GPIO numbers to descriptors
  and a few minor bugfixes"

* tag 'soc-arm-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  MAINTAINERS: Add Axiado reviewer and Maintainers
  ARM: remove the last few uses of do_bad_IRQ()
  ARM: imx31: Fix IIM mapping leak in revision check
  ARM: imx3: Fix CCM node reference leak
  ARM: orion5x: update board check in mss2_pci_init() to use the DT
  arm: mvebu_v5_defconfig: remove stale MACH_LINKSTATION_LSCHL reference
  ARM: mvebu: simplify of_node_put calls
  ARM: mvebu: drop unnecessary NULL check
  arm: boot: ep93xx: don't rely on machine_is_*() for removed board files
  ARM: zte: clean up zx297520v3 doc. warnings
  arm64: Kconfig: drop unneeded dependency on OF_GPIO for ARCH_MVEBU
  firmware: imx: sm-misc: Make scmi_imx_misc_ctrl_nb variable static
  ARM: zte: Add zx297520v3 platform support
  ARM: pxa: pxa27x: attach software node to its target GPIO controller
  ARM: pxa: pxa25x: attach software node to its target GPIO controller
  ARM: pxa: spitz: attach software nodes to their target GPIO controllers
  ARM: pxa: statify platform device definitions in spitz board file
  ARM: omap2: simplify allocation for omap_device
  ARM: select legacy gpiolib interfaces where used
  ARM: s3c: use gpio lookup table for LEDs
2026-06-17 11:28:10 -07:00
Linus Torvalds
61cf958810 soc: defconfig updates for 7.2
The main change this time is a cleanup series from Krzysztof Kozlowski
 that updates the defconfig files to be more in sync with changes to
 the Kconfig files that moved options around or removed the completely.
 
 In addition, a number of drivers get enabled, in order to support
 more hardware out of the box, as usual.
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Merge tag 'soc-defconfig-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC defconfig updates from Arnd Bergmann:
 "The main change this time is a cleanup series from Krzysztof Kozlowski
  that updates the defconfig files to be more in sync with changes to
  the Kconfig files that moved options around or removed the completely.

  In addition, a number of drivers get enabled, in order to support more
  hardware out of the box, as usual"

* tag 'soc-defconfig-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  arm64: defconfig: enable BST SDHCI controller
  arm64: configs: Update defconfig for AST2700 platform support
  ARM: multi_v7_defconfig: Enable dma-buf heaps
  ARM: configs: Drop duplicated CONFIG_EXT4_FS
  arm64: defconfig: Enable DP83822 PHY driver
  ARM: configs: at91: sama7: add sama7d65 i3c-hci
  arm64: defconfig: Enable PCI M.2 power sequencing driver
  arm64: defconfig: Enable CIX Sky1 pinctrl, PCIe host, and Cadence GPIO
  ARM: multi_v7_defconfig: Correct QCOM_RPMH and QCOM_RPMHPD
  ARM: multi_v7_defconfig: Cleanup redundant options
  ARM: configs: Drop redundant SND_ATMEL_SOC
  ARM: configs: Drop redundant I2C_DESIGNWARE_PLATFORM
  ARM: multi_v7_defconfig: Move entries to match savedefconfig
  arm64: defconfig: Switch Ethernet drivers to modules
  arm64: defconfig: Drop unused Ethernet vendors
  arm64: defconfig: Drop default or selected drivers
  arm64: defconfig: Drop unused legacy netfilter options
  arm64: defconfig: Move entries to match savedefconfig
  pinctrl: qcom: Make important drivers default (2)
2026-06-17 11:26:33 -07:00
Linus Torvalds
b85966adbf Networking changes for 7.2.
Core & protocols
 ----------------
 
  - Work on removing rtnl_lock protection throughout the stack continues.
    In this chapter:
     - don't use rtnl_lock for IPv6 multicast routing configuration
     - don't take rtnl_lock in ethtool for modern drivers
     - prepare Qdisc dump callbacks for rtnl_lock removal
 
  - Support dumping just ifindex + name of all interfaces, under RCU.
    It's a common operation for Netlink CLI tools (when translating
    names to ifindexes) and previously required full rtnl_lock.
 
  - Support dumping qdiscs and page pools for a specific netdev. Even tho
    user space wants a dump of all netdevs, most of the time, the OOO
    programming model results in repeating the dump for each netdev.
    Which, in absence of a cache, leads to a O(n^2) behavior.
 
  - Flush nexthops once on multi-nexthop removal (e.g. when device goes
    down), another O(n^2) -> O(n) improvement.
 
  - Rehash locally generated traffic to a different nexthop on retransmit
    timeout.
 
  - Honor oif when choosing nexthop for locally generated IPv6 traffic.
 
  - Convert TCP Auth Option to crypto library, and drop non-RFC algos.
 
  - Increase subflow limits in MPTCP to 64 and endpoint limit to 256.
 
  - Support MPTCP signaling of IPv6 address + port (ADD_ADDR). We need
    to selectively skip reporting of the standard TCP Timestamp option,
    because they won't fit into the header space together (12 + 30 > 40).
 
  - Support using bridge neighbor suppression, Duplicate Address
    Detection, Gratuitous ARP and unsolicited NA forwarding - in EVPN
    deployments, e.g. VXLAN fabrics (IPv4 and IPv6).
 
  - Improve link state reporting for upper netdevs (e.g. macvlan) over
    tunnel devices (again, mostly for EVPN deployments).
 
  - Support binding GENEVE tunnels to a local address.
 
  - Speed up UDP tunnel destruction (remove one synchronize_rcu()).
 
  - Support exponential field encoding in multicast (IGMPv3 and MLDv2).
 
  - Support attaching PSP crypto offload to containers (veth, netkit).
 
  - Add a new IPSec Netlink message XFRM_MSG_MIGRATE_STATE that allows
    migrating individual IPsec SAs independently of their policies.
    The existing XFRM_MSG_MIGRATE is tightly coupled to policy+SA
    migration, lacks SPI for unique SA identification, and cannot express
    reqid changes or migrate Transport mode selectors. The new interface
    identifies the SA via SPI and mark, supports reqid changes, address
    family changes, encap removal, and uses an atomic create+install
    flow under x->lock to prevent SN/IV reuse during AEAD SA migration.
 
  - Implement GRO/GSO support for PPPoE.
 
  - Convert sockopt callbacks in a number of protocols to iov_iter.
 
 Cross-tree stuff
 ----------------
 
  - Remove support for Crypto TFM cloning (unblocked after the TCP Auth
    Option rework). This feature regressed performance for all crypto API
    users, since it changed crypto transformation objects into reference-
    -counted objects.
 
  - Add FCrypt-PCBC implementation to rxrpc and remove it from the global
    crypto API as obsolete and insecure.
 
 Wireless
 --------
 
  - Major rework of station bandwidth handling, fixing issues with lower
    capability than AP.
 
  - Cleanups for EMLSR spec issues (drafts differed).
 
  - More Neighbor Awareness Networking (Wi-Fi Aware) work (multicast,
    schedule improvements, multi-station etc.)
 
  - Some Ultra High Reliability (UHR) / IEEE 802.11bn (D1.4) work
    (e.g. non-primary channel access, UHR DBE support).
 
  - Fine Timing Measurement ranging (i.e. distance measurement) APIs.
 
 Netfilter
 ---------
 
  - Use per-rule hash initval in nf_conncount. This avoids unnecessary
    lock contention with short keys (e.g. conntrack zones) in different
    namespaces.
 
  - Various safety improvements, both in packet parsing and object
    lifetimes. Notably add refcounts to conntrack timeout policy.
 
 Deletions
 ---------
 
  - Remove TLS + sockmap integration. TLS wants to pin user pages
    to avoid a copy, and sockmap wants to write to the input stream.
    More work on this integration is clearly needed, and we can't find
    any users (original author admitted that they never deployed it).
 
  - Remove support for TLS offload with TCP Offload Engine (the far
    more common opportunistic offload is retained). The locking looks
    unfixable (driver sleeps under TCP spin locks) and people from
    the vendor that added this are AWOL.
 
  - Remove more ATM code, trying to leave behind only what PPPoATM needs,
    AAL5 and br2684 with permanent circuits.
 
  - Remove AppleTalk. Let it join hamradio in our out of tree protocol
    graveyard, I mean, repository.
 
  - Disable 32-bit x_tables compatibility (32bit binaries on 64bit kernel)
    interface in user namespaces. To be deleted completely, soon.
 
  - Remove 5/10 MHz support from cfg80211/mac80211.
 
 Drivers
 -------
 
  - Software:
    - Support DEVMEM/DMABUF Tx over NETMEM_TX_NO_DMA devices (netkit).
    - bonding: add knob to strictly follow 802.3ad for link state.
 
  - New drivers:
    - Alibaba Elastic Ethernet Adaptor (cloud vNIC).
    - NXP NETC switch within i.MX94.
 
  - DPLL:
    - Add operational state to pins (implement in zl3073x).
    - Add generic DPLL type, for daisy-chaining DPLLs (implement in ice).
 
  - Ethernet high-speed NICs:
    - Huawei (hinic3):
      - enhance tc flow offload support with queue selection, tunnels
    - nVidia/Mellanox:
      - avoid over-copying payload to the skb's linear part (up to 60%
        win for LRO on slow CPUs like ARM64 V2)
      - expose more per-queue stats over the standard API
      - support additional, unprivileged PFs in the DPU configuration
      - support Socket Direct (multi-PF) with switchdev offloads
      - add a pool / frag allocator for DMA mapped buffers for control
        objects, save memory on systems with 64kB page size
      - take advantage of the ability to dynamically change RSS table
        size, even when table is configured by the user
      - increase the max RSS table size for even traffic distribution
 
  - Ethernet NICs:
    - Marvell/Aquantia:
      - AQC113 PTP support
    - Realtek USB (r8152):
      - support 10Gbit Link Speeds and Energy-Efficient Ethernet (EEE)
      - support firmware loaded (for RTL8157/RTL8159)
      - support for the RTL8159
    - Intel (ixgbe):
      - support Energy-Efficient Ethernet (EEE) on E610 devices
 
  - Ethernet switches:
    - Airoha:
      - support multiple netdevs on a single GDM block / port
    - Marvell (mv88e6xxx):
      - support SERDES of mv88e6321
    - Microchip (ksz8/9):
      - rework the driver callbacks to remove one indirection layer
    - Motorcomm (yt921x):
      - support port rate policing
      - support TBF qdisc offload
      - support ACL/flower offload
    - nVidia/Mellanox:
      - expose per-PG rx_discards
    - Realtek:
      - rtl8365mb: bridge offloading and VLAN support
 
  - Ethernet PHYs:
    - Airoha:
      - support Airoha AN8801R Gigabit PHYs.
    - Micrel:
      - implement 3 low-loss cable tunables
    - Realtek:
      - support MDI swapping for RTL8226-CG
      - support MDIO for RTL931x
    - Qualcomm:
      - at803x: Rx and Tx clock management for IPQ5018 PHY
    - Motorcomm:
      - support YT8522 100M RMII PHY
      - set drive strength in YT8531s RGMII
    - TI:
      - dp83822: add optional external PHY clock
 
  - Bluetooth:
    - hci_sync: add support for HCI_LE_Set_Host_Feature [v2]
    - SMP: use AES-CMAC library API
    - Intel:
      - support Product level reset
      - support smart trigger dump
    - Mediatek:
      - add event filter to filter specific event
    - Realtek:
      - fix RTL8761B/BU broken LE extended scan
 
  - WiFi:
    - Broadcom (b43):
      - new support for a 11n device
    - MediaTek (mt76):
      - support mt7927
      - mt792x: broken usb transport detection
      - mt7921: regulatory improvements
    - Qualcomm (ath9k):
      - GPIO interface improvements
    - Qualcomm (ath12k):
      - WDS support
      - replace dynamic memory allocation in WMI Rx path
      - thermal throttling/cooling device support
      - 6 GHz incumbent interference detection
      - channel 177 in 5 GHz
    - Realtek (rt89):
      - RTL8922AU support
      - USB 3 mode switch for performance
      - better monitor radiotap support
      - RTL8922DE preparations
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core & protocols:

   - Work on removing rtnl_lock protection throughout the stack
     continues. In this chapter:
       - don't use rtnl_lock for IPv6 multicast routing configuration
       - don't take rtnl_lock in ethtool for modern drivers
       - prepare Qdisc dump callbacks for rtnl_lock removal

   - Support dumping just ifindex + name of all interfaces, under RCU.
     It's a common operation for Netlink CLI tools (when translating
     names to ifindexes) and previously required full rtnl_lock.

   - Support dumping qdiscs and page pools for a specific netdev. Even
     tho user space wants a dump of all netdevs, most of the time, the
     OOO programming model results in repeating the dump for each
     netdev. Which, in absence of a cache, leads to a O(n^2) behavior.

   - Flush nexthops once on multi-nexthop removal (e.g. when device goes
     down), another O(n^2) -> O(n) improvement.

   - Rehash locally generated traffic to a different nexthop on
     retransmit timeout.

   - Honor oif when choosing nexthop for locally generated IPv6 traffic.

   - Convert TCP Auth Option to crypto library, and drop non-RFC algos.

   - Increase subflow limits in MPTCP to 64 and endpoint limit to 256.

   - Support MPTCP signaling of IPv6 address + port (ADD_ADDR). We need
     to selectively skip reporting of the standard TCP Timestamp option,
     because they won't fit into the header space together (12 + 30 >
     40).

   - Support using bridge neighbor suppression, Duplicate Address
     Detection, Gratuitous ARP and unsolicited NA forwarding - in EVPN
     deployments, e.g. VXLAN fabrics (IPv4 and IPv6).

   - Improve link state reporting for upper netdevs (e.g. macvlan) over
     tunnel devices (again, mostly for EVPN deployments).

   - Support binding GENEVE tunnels to a local address.

   - Speed up UDP tunnel destruction (remove one synchronize_rcu()).

   - Support exponential field encoding in multicast (IGMPv3 and MLDv2).

   - Support attaching PSP crypto offload to containers (veth, netkit).

   - Add a new IPSec Netlink message XFRM_MSG_MIGRATE_STATE that allows
     migrating individual IPsec SAs independently of their policies.

     The existing XFRM_MSG_MIGRATE is tightly coupled to policy+SA
     migration, lacks SPI for unique SA identification, and cannot
     express reqid changes or migrate Transport mode selectors.

     The new interface identifies the SA via SPI and mark, supports
     reqid changes, address family changes, encap removal, and uses an
     atomic create+install flow under x->lock to prevent SN/IV reuse
     during AEAD SA migration.

   - Implement GRO/GSO support for PPPoE.

   - Convert sockopt callbacks in a number of protocols to iov_iter.

  Cross-tree stuff:

   - Remove support for Crypto TFM cloning (unblocked after the TCP Auth
     Option rework). This feature regressed performance for all crypto
     API users, since it changed crypto transformation objects into
     reference-counted objects.

   - Add FCrypt-PCBC implementation to rxrpc and remove it from the
     global crypto API as obsolete and insecure.

  Wireless:

   - Major rework of station bandwidth handling, fixing issues with
     lower capability than AP.

   - Cleanups for EMLSR spec issues (drafts differed).

   - More Neighbor Awareness Networking (Wi-Fi Aware) work (multicast,
     schedule improvements, multi-station etc.)

   - Some Ultra High Reliability (UHR) / IEEE 802.11bn (D1.4) work
     (e.g. non-primary channel access, UHR DBE support).

   - Fine Timing Measurement ranging (i.e. distance measurement) APIs.

  Netfilter:

   - Use per-rule hash initval in nf_conncount. This avoids unnecessary
     lock contention with short keys (e.g. conntrack zones) in different
     namespaces.

   - Various safety improvements, both in packet parsing and object
     lifetimes. Notably add refcounts to conntrack timeout policy.

  Deletions:

   - Remove TLS + sockmap integration. TLS wants to pin user pages to
     avoid a copy, and sockmap wants to write to the input stream. More
     work on this integration is clearly needed, and we can't find any
     users (original author admitted that they never deployed it).

   - Remove support for TLS offload with TCP Offload Engine (the far
     more common opportunistic offload is retained). The locking looks
     unfixable (driver sleeps under TCP spin locks) and people from the
     vendor that added this are AWOL.

   - Remove more ATM code, trying to leave behind only what PPPoATM
     needs, AAL5 and br2684 with permanent circuits.

   - Remove AppleTalk. Let it join hamradio in our out of tree protocol
     graveyard, I mean, repository.

   - Disable 32-bit x_tables compatibility (32bit binaries on 64bit
     kernel) interface in user namespaces. To be deleted completely,
     soon.

   - Remove 5/10 MHz support from cfg80211/mac80211.

  Drivers:

   - Software:
       - Support DEVMEM/DMABUF Tx over NETMEM_TX_NO_DMA devices (netkit)
       - bonding: add knob to strictly follow 802.3ad for link state

   - New drivers:
       - Alibaba Elastic Ethernet Adaptor (cloud vNIC).
       - NXP NETC switch within i.MX94.

   - DPLL:
       - Add operational state to pins (implement in zl3073x).
       - Add generic DPLL type, for daisy-chaining DPLLs (implement in ice).

   - Ethernet high-speed NICs:
       - Huawei (hinic3):
           - enhance tc flow offload support with queue selection,
             tunnels
       - nVidia/Mellanox:
           - avoid over-copying payload to the skb's linear part (up to
             60% win for LRO on slow CPUs like ARM64 V2)
           - expose more per-queue stats over the standard API
           - support additional, unprivileged PFs in the DPU
             configuration
           - support Socket Direct (multi-PF) with switchdev offloads
           - add a pool / frag allocator for DMA mapped buffers for
             control objects, save memory on systems with 64kB page size
           - take advantage of the ability to dynamically change RSS
             table size, even when table is configured by the user
           - increase the max RSS table size for even traffic
             distribution

   - Ethernet NICs:
       - Marvell/Aquantia:
           - AQC113 PTP support
       - Realtek USB (r8152):
           - support 10Gbit Link Speeds and Energy-Efficient Ethernet
             (EEE)
           - support firmware loaded (for RTL8157/RTL8159)
           - support for the RTL8159
       - Intel (ixgbe):
           - support Energy-Efficient Ethernet (EEE) on E610 devices

   - Ethernet switches:
       - Airoha:
           - support multiple netdevs on a single GDM block / port
       - Marvell (mv88e6xxx):
           - support SERDES of mv88e6321
       - Microchip (ksz8/9):
           - rework the driver callbacks to remove one indirection layer
       - Motorcomm (yt921x):
           - support port rate policing
           - support TBF qdisc offload
           - support ACL/flower offload
       - nVidia/Mellanox:
           - expose per-PG rx_discards
       - Realtek:
           - rtl8365mb: bridge offloading and VLAN support

   - Ethernet PHYs:
       - Airoha:
           - support Airoha AN8801R Gigabit PHYs.
       - Micrel:
           - implement 3 low-loss cable tunables
       - Realtek:
           - support MDI swapping for RTL8226-CG
           - support MDIO for RTL931x
       - Qualcomm:
           - at803x: Rx and Tx clock management for IPQ5018 PHY
       - Motorcomm:
           - support YT8522 100M RMII PHY
           - set drive strength in YT8531s RGMII
       - TI:
           - dp83822: add optional external PHY clock

   - Bluetooth:
       - hci_sync: add support for HCI_LE_Set_Host_Feature [v2]
       - SMP: use AES-CMAC library API
       - Intel:
           - support Product level reset
           - support smart trigger dump
       - Mediatek:
           - add event filter to filter specific event
       - Realtek:
           - fix RTL8761B/BU broken LE extended scan

   - WiFi:
       - Broadcom (b43):
           - new support for a 11n device
       - MediaTek (mt76):
           - support mt7927
           - mt792x: broken usb transport detection
           - mt7921: regulatory improvements
       - Qualcomm (ath9k):
           - GPIO interface improvements
       - Qualcomm (ath12k):
           - WDS support
           - replace dynamic memory allocation in WMI Rx path
           - thermal throttling/cooling device support
           - 6 GHz incumbent interference detection
           - channel 177 in 5 GHz
       - Realtek (rt89):
           - RTL8922AU support
           - USB 3 mode switch for performance
           - better monitor radiotap support
           - RTL8922DE preparations"

* tag 'net-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1778 commits)
  ipv4: fib_rule: Move fib4_rules_exit() to ->exit().
  net: serialize netif_running() check in enqueue_to_backlog()
  net: skmsg: preserve sg.copy across SG transforms
  appletalk: move the protocol out of tree
  appletalk: stop storing per-interface state in struct net_device
  selftests/bpf: test that TLS crypto is rejected on a sockmap socket
  selftests/bpf: drop the unused kTLS program from test_sockmap
  selftests/bpf: remove sockmap + ktls tests
  tls: remove dead sockmap (psock) handling from the SW path
  tls: reject the combination of TLS and sockmap
  atm: remove orphaned uAPI for deleted drivers, protocols and SVCs
  atm: remove unused ATM PHY operations
  atm: remove the unused pre_send and send_bh device operations
  atm: remove the unused change_qos device operation
  atm: remove SVC socket support and the signaling daemon interface
  atm: remove the local ATM (NSAP) address registry
  atm: remove dead SONET PHY ioctls
  atm: remove the unused send_oam / push_oam callbacks
  atm: remove AAL3/4 transport support
  net: dsa: sja1105: fix lastused timestamp in flower stats
  ...
2026-06-17 08:17:00 +01:00
Jakub Kicinski
8a398a0c18 appletalk: move the protocol out of tree
AppleTalk has been removed in MacOS X 10.6 (Snow Leopard), in 2009,
according to Wikipedia. We recently got a burst of AI generated
fixes to this protocol which nobody is reviewing.

Let AppleTalk follow AX.25 and hamradio out of the Linux tree.
We we will maintain the code at: github.com/linux-netdev/mod-orphan
for anyone interested in playing with it.

Retain the uAPI for now. No strong reason, simply because I suspect
keeping it will be less controversial.

Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Link: https://patch.msgid.link/20260615222935.947233-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-06-16 14:37:06 -07:00
Eric Biggers
b2c41fa9dd crypto: sun4i-ss - Remove insecure and unused rng_alg
Remove sun4i_ss_rng, as it is insecure and unused:

- It has multiple vulnerabilities.  sun4i_ss_prng_seed() is missing
  locking and has a buffer overflow.  sun4i_ss_prng_generate() fails to
  fill the entire buffer with cryptographic random bytes, because it
  rounds the destination length down and also doesn't actually wait for
  the hardware to be ready before pulling bytes from it.

- No user of this code is known.  It's usable only theoretically via the
  "rng" algorithm type of AF_ALG.  But userspace actually just uses the
  actual Linux RNG (/dev/random etc) instead.  And rng_algs don't
  contribute entropy to the actual Linux RNG either.  (This may have
  been confused with hwrng, which does contribute entropy.)

The sun4i_ss_prng_seed() buffer overflow was reported by Tianchu Chen
and discovered by Atuin - Automated Vulnerability Discovery Engine

There's no point in fixing all these vulnerabilities individually when
this is unused code, so let's just remove it.

Fixes: b8ae5c7387 ("crypto: sun4i-ss - support the Security System PRNG")
Cc: stable@vger.kernel.org
Reported-by: Tianchu Chen <flynnnchen@tencent.com>
Closes: https://lore.kernel.org/r/af749a8447bd7f0e9dd26ca6c87e9c6afecb09d9@linux.dev/
Acked-by: Corentin LABBE <clabbe.montjoie@gmail.com>
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2026-06-12 09:56:45 +08:00
Ethan Nelson-Moore
794b5e7727 bluetooth: remove all PCMCIA drivers
PCMCIA is almost completely obsolete (the last computers supporting it
natively were from ~2009), and the general consensus [1] seems to be
that support for it should be gradually removed from the kernel.

In 2023, an initial step of removing all the PCMCIA char drivers was
taken in commit 9b12f050c7 ("char: pcmcia: remove all the drivers"),
and that has not been reverted, so it seems logical to continue this
process by removing more low-hanging fruit.

These three Bluetooth drivers have had no meaningful changes since
their status was discussed in 2022 [2], and are unlikely to have any
remaining users. The latest functional change to any of them was a
patch to bluecard_cs to fix LED blinking behavior in 2017. The other
two drivers have not had any meaningful changes made since 2007. Remove
them.

Note that even with these drivers removed, it is still possible to use
other PCMCIA Bluetooth cards that present themselves as a standard
serial port via serial_cs and hciattach while the serial_cs driver is
still present.

[1] https://lore.kernel.org/all/c5b39544-a4fb-4796-a046-0b9be9853787@app.fastmail.com/
[2] https://lore.kernel.org/all/Y07d7rMvd5++85BJ@owl.dominikbrodowski.net/

Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2026-06-11 14:24:38 -04:00
Eric Biggers
c9fedb3b23 crypto: exynos-rng - Remove exynos-rng driver
This driver has no purpose.  It doesn't feed into the Linux RNG, nor
does it implement the hwrng interface.  It is accessible only via the
"rng" algorithm type of AF_ALG, which isn't used in practice.  Everyone
uses either the Linux RNG, or rarely /dev/hwrng.

Moreover, this is a PRNG whose only source of entropy is the 160-bit
seed the user passes in.  So this can be used only by a user who already
has a source of cryptographically secure random numbers, such as
/dev/random.  Which they can, and do, just use in the first place.

Just remove this driver.  There's no need to keep useless code around.

Note that the other crypto_rng drivers in drivers/crypto/ are similarly
unused and are being removed too.  This commit just handles exynos-rng.

Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2026-06-11 14:03:13 +08:00
Eric Biggers
1967bfaf7b crypto: pcbc - Remove support for PCBC mode
The only user of PCBC mode (Propagating Cipher Block Chaining mode) was
net/rxrpc/rxkad.c, which now uses local code instead.

While PCBC was an interesting cryptographic experiment, it has largely
been relegated to the history books and academic exercises.  It is
non-parallelizable (i.e., very slow) and doesn't actually achieve the
integrity properties it was apparently intended to achieve.

Remove support for it from the crypto API.

Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Tested-by: Marc Dionne <marc.dionne@auristor.com>
Link: https://patch.msgid.link/20260522050740.84561-6-ebiggers@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-06-09 17:03:03 -07:00
Eric Biggers
374efbdc85 crypto: fcrypt - Remove support for FCrypt block cipher
Remove the insecure FCrypt block cipher from the crypto API.  Its only
user was net/rxrpc/, but now net/rxrpc/ implements it locally.  The
crypto API implementation is no longer needed.

For some additional context: FCrypt was designed in 1988 and is
essentially a weakened version of DES.  It has the same 56-bit key size
as DES, which is easily brute forced.  Moreover, it's cryptographically
weak and doesn't even provide the intended 56-bit security level.  Its
author considers it to be a mistake, as well
(https://lists.openafs.org/pipermail/openafs-devel/2000-December/005320.html).

But fortunately this 1980s-era homebrew block cipher was never adopted
outside of net/rxrpc/.  So its code can just be kept there.

Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Tested-by: Marc Dionne <marc.dionne@auristor.com>
Link: https://patch.msgid.link/20260522050740.84561-5-ebiggers@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-06-09 17:03:03 -07:00
Arnd Bergmann
5087338ea4 Microchip AT91 defconfig updates for v7.2
This update includes:
 - I3C flags for the SAMA7 family of SoCs
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Merge tag 'at91-defconfig-7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into soc/defconfig

Microchip AT91 defconfig updates for v7.2

This update includes:
- I3C flags for the SAMA7 family of SoCs

* tag 'at91-defconfig-7.2' of https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  ARM: configs: at91: sama7: add sama7d65 i3c-hci

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-06-09 13:32:53 +02:00
Maxime Ripard
fcc95f6eb9
ARM: multi_v7_defconfig: Enable dma-buf heaps
Now that the system and CMA heaps can be built as modules, enable both
as modules in the arm multi_v7_defconfig.

Suggested-by: Andrew Davis <afd@ti.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20260527084135.842736-1-mripard@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-06-09 11:21:21 +02:00
Krzysztof Kozlowski
ae371a5811
ARM: configs: Drop duplicated CONFIG_EXT4_FS
Remove redundant, duplicated CONFIG_EXT4_FS to fix warnings like:

  axm55xx_defconfig:198:warning: override: reassigning to symbol EXT4_FS

Fixes: c065b6046b ("Use CONFIG_EXT4_FS instead of CONFIG_EXT3_FS in all of the defconfigs")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Richard Cheng <icheng@nvidia.com>
Link: https://lore.kernel.org/r/20260603072726.19404-2-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-06-09 11:20:29 +02:00
Ethan Nelson-Moore
b2a4bd1ee3 arm: mvebu_v5_defconfig: remove stale MACH_LINKSTATION_LSCHL reference
The legacy board file for MACH_LINKSTATION_LSCHL was removed in
commit ecfe696391 ("ARM: orion5x: remove legacy support of ls-chl")
after it was converted to DT booting, but a reference to it remained in
mvebu_v5_defconfig. Drop this unused code.

Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2026-06-01 08:38:14 +02:00
Manikandan Muralidharan
ac75ae4367 ARM: configs: at91: sama7: add sama7d65 i3c-hci
Enable the configs needed for I3C framework and microchip
sama7d65 i3c-hci driver.

Signed-off-by: Durai Manickam KR <durai.manickamkr@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Signed-off-by: Manikandan Muralidharan <manikandan.m@microchip.com>
Link: https://lore.kernel.org/r/20260525092405.1514213-6-manikandan.m@microchip.com
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
2026-05-25 22:55:30 +03:00
Krzysztof Kozlowski
02802b40c3 ARM: multi_v7_defconfig: Correct QCOM_RPMH and QCOM_RPMHPD
QCOM_RPMH and QCOM_RPMHPD can be build only as modules when
QCOM_COMMAND_DB is module itself.

Fixes: 1c25ca9bb5 ("ARM: multi_v7_defconfig: enable more Qualcomm drivers")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-05-07 14:30:35 +02:00
Krzysztof Kozlowski
9d119de595 ARM: multi_v7_defconfig: Cleanup redundant options
Drop all redundant entries:
1. SERIAL_BCM63XX is default=y for ARCH_BCMBCA.
2. USB_GPIO_VBUS is conflicting with enabled USB_CONN_GPIO since
   commit 0ce0f9d078 ("usb: phy: phy-gpio-vbus-usb: Add device tree
   probing").
3. SND_HDA_CODEC_REALTEK_LIB is selected by other codecs,
   SND_HDA_CODEC_ALC269 by default.
4. SND_PXA_SOC_SSP depends on ARCH_PXA which is only for multi v5.
5. SND_SOC_ROCKCHIP is gone since commit cae3cc435d ("ASoC: rockchip:
   Standardize ASoC menu") and can be simply dropped without effect.
6. SND_SOC_TLV320AIC32X4 is selected by SND_SOC_TLV320AIC32X4_I2C/SPI.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-05-07 14:30:35 +02:00
Krzysztof Kozlowski
c62cee042d ARM: configs: Drop redundant SND_ATMEL_SOC
CONFIG_SND_ATMEL_SOC is gone since commit 4f30f84feb ("ASoC: atmel:
Standardize ASoC menu") and can be simply dropped without effect.

No impact on include/generated/autoconf.h.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Acked-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-05-07 14:30:35 +02:00
Krzysztof Kozlowski
d370bfb926 ARM: configs: Drop redundant I2C_DESIGNWARE_PLATFORM
I2C_DESIGNWARE_PLATFORM is default=y via I2C_DESIGNWARE_CORE, which is
enabled.  No impact on include/generated/autoconf.h.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-05-07 14:30:34 +02:00
Krzysztof Kozlowski
02994735e4 ARM: multi_v7_defconfig: Move entries to match savedefconfig
Only re-shuffle entries to match savedefconfig, without removing any
symbols.  This helps in reviewing defconfig when comparing with
savedefconfig and looking for obsolete symbols.  No impact on
include/generated/autoconf.h.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-05-07 14:30:34 +02:00
Krzysztof Kozlowski
c8aa5cf994 pinctrl: qcom: Make important drivers default (2)
The main SoC TLMM (Top-Level Multiplexer) pin controller drivers are
essential for booting up SoCs and are not really optional for a given
platform.  Kernel should not ask users choice of drivers when that
choice is obvious and known to the developers that answer should be
'yes' or 'module'.

Switch all Qualcomm TLMM pin controller drivers to a default 'yes' for
ARCH_QCOM.  This has impact:

1. arm64 defconfig: enable PINCTRL_SM7150, PINCTRL_IPQ9650 and
   PINCTRL_HAWI, which were not selected before but should be, because
   these platforms need them for proper boot.

2. arm qcom_defconfig: no changes.

3. arm multi_v7 defconfig: enable drivers necessary to boot ARM 32-bit
   platforms, which are already enabled on qcom_defconfig.

4. COMPILE_TEST builds: enable by default all drivers for arm or arm64
   builds, whenever ARCH_QCOM is selected.  This has impact on build
   time and feels logical, because if one selects ARCH_QCOM then
   probably by default wants to build test it entirely.  Kernels with
   COMPILE_TEST are not supposed to be used for booting.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
[linusw@kernel.org: split off defconfig changes to its own patch]
Signed-off-by: Linus Walleij <linusw@kernel.org>
2026-05-06 21:09:03 +02:00
Linus Torvalds
64edfa6506 Delete some obsolete networking code
Old code like amateur radio and NFC have long been a burden
 to core networking developers. syzbot loves to find bugs
 in BKL-era code, and noobs try to fix them.
 
 If we want to have a fighting chance of surviving the LLM-pocalypse
 this code needs to find a dedicated owner or get deleted.
 We've talked about these deletions multiple times in the past
 and every time someone wanted the code to stay. It is never
 very clear to me how many of those people actually use the code
 vs are just nostalgic to see it go. Amateur radio did have
 occasional users (or so I think) but most users switched
 to user space implementations since its all super slow stuff.
 Nobody stepped up to maintain the kernel code.
 
 We were lucky enough to find someone who wants to help with NFC
 so we're giving that a chance. Let's try to put the rest of
 this code behind us.
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-deletions' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking deletions from Jakub Kicinski:
 "Delete some obsolete networking code

  Old code like amateur radio and NFC have long been a burden to core
  networking developers. syzbot loves to find bugs in BKL-era code, and
  noobs try to fix them.

  If we want to have a fighting chance of surviving the LLM-pocalypse
  this code needs to find a dedicated owner or get deleted. We've talked
  about these deletions multiple times in the past and every time
  someone wanted the code to stay. It is never very clear to me how many
  of those people actually use the code vs are just nostalgic to see it
  go. Amateur radio did have occasional users (or so I think) but most
  users switched to user space implementations since its all super slow
  stuff. Nobody stepped up to maintain the kernel code.

  We were lucky enough to find someone who wants to help with NFC so
  we're giving that a chance. Let's try to put the rest of this code
  behind us"

* tag 'net-deletions' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next:
  drivers: net: 8390: wd80x3: Remove this driver
  drivers: net: 8390: ultra: Remove this driver
  drivers: net: 8390: AX88190: Remove this driver
  drivers: net: fujitsu: fmvj18x: Remove this driver
  drivers: net: smsc: smc91c92: Remove this driver
  drivers: net: smsc: smc9194: Remove this driver
  drivers: net: amd: nmclan: Remove this driver
  drivers: net: amd: lance: Remove this driver
  drivers: net: 3com: 3c589: Remove this driver
  drivers: net: 3com: 3c574: Remove this driver
  drivers: net: 3com: 3c515: Remove this driver
  drivers: net: 3com: 3c509: Remove this driver
  net: packetengines: remove obsolete yellowfin driver and vendor dir
  net: packetengines: remove obsolete hamachi driver
  net: remove unused ATM protocols and legacy ATM device drivers
  net: remove ax25 and amateur radio (hamradio) subsystem
  net: remove ISDN subsystem and Bluetooth CMTP
  caif: remove CAIF NETWORK LAYER
2026-04-24 09:41:58 -07:00
Andrew Lunn
9fdf9f61fa drivers: net: smsc: smc9194: Remove this driver
The smc9194 was written by Erik Stahlman in 1996. It is an ISA device,
so unlikely to be used with modern kernels.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20260422-v7-0-0-net-next-driver-removal-v1-v2-7-08a5b59784d5@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-23 15:56:49 -07:00
Jakub Kicinski
6deb535950 net: remove unused ATM protocols and legacy ATM device drivers
Remove the ATM protocol modules and PCI/SBUS ATM device drivers
that are no longer in active use.

The ATM core protocol stack, PPPoATM, BR2684, and USB DSL modem
drivers (drivers/usb/atm/) are retained in-tree to maintain PPP
over ATM (PPPoA) and PPPoE-over-BR2684 support for DSL connections.
The Solos ADSL2+ PCI driver is also retained.

Removed ATM protocol modules:
 - net/atm/clip.c - Classical IP over ATM (RFC 2225)
 - net/atm/lec.c - LAN Emulation Client (LANE)
 - net/atm/mpc.c, mpoa_caches.c, mpoa_proc.c - Multi-Protocol Over ATM

Removed PCI/SBUS ATM device drivers (drivers/atm/):
 - adummy, atmtcp - software/testing ATM devices
 - eni - Efficient Networks ENI155P (OC-3, ~1995)
 - fore200e - FORE Systems 200E PCI/SBUS (OC-3, ~1999)
 - he - ForeRunner HE (OC-3/OC-12, ~2000)
 - idt77105 - IDT 77105 25 Mbps ATM PHY
 - idt77252 - IDT 77252 NICStAR II (OC-3, ~2000)
 - iphase - Interphase ATM PCI (OC-3/DS3/E3)
 - lanai - Efficient Networks Speedstream 3010
 - nicstar - IDT 77201 NICStAR (155/25 Mbps, ~1999)
 - suni - PMC S/UNI SONET PHY library

Also clean up references in:
 - net/bridge/ - remove ATM LANE hook (br_fdb_test_addr_hook,
   br_fdb_test_addr)
 - net/core/dev.c - remove br_fdb_test_addr_hook export
 - defconfig files - remove ATM driver config options

The removed code is moved to an out-of-tree module package (mod-orphan).

Acked-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/20260422041846.2035118-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-23 12:21:14 -07:00
Jakub Kicinski
6d5431555d caif: remove CAIF NETWORK LAYER
Remove CAIF (Communication CPU to Application CPU Interface), the
ST-Ericsson modem protocol. The subsystem has been orphaned since 2013.
The last meaningful changes from the maintainers were in March 2013:
  a8c7687bf2 ("caif_virtio: Check that vringh_config is not null")
  b2273be8d2 ("caif_virtio: Use vringh_notify_enable correctly")
  0d2e1a2926 ("caif_virtio: Introduce caif over virtio")

Not-so-coincidentally, according to "the Internet" ST-Ericsson officially
shut down its modem joint venture in Aug 2013.

If anyone is using this code please yell!

In the 13 years since, the code has accumulated 200 non-merge commits,
of which 71 were cross-tree API changes, 21 carried Fixes: tags, and
the remaining ~110 were cleanups, doc conversions, treewide refactors,
and one partial removal (caif_hsi, ca75bcf0a8).

We are still getting fixes to this code, in the last 10 days there were
3 reports on security@ about CAIF that I have been CCed on.

UAPI constants (AF_CAIF, ARPHRD_CAIF, N_CAIF, VIRTIO_ID_CAIF) and the
SELinux classmap entry are intentionally kept for ABI stability.

Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20260416182829.1440262-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-23 10:23:44 -07:00
Linus Torvalds
ba314ed1bf hwspinlock updates for v7.1
Remove the unused u8500 hardware spinlock driver, and clean out the
 hwspinlock_pdata struct as this was the last user of the struct.
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Merge tag 'hwlock-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull hwspinlock updates from Bjorn Andersson:
 "Remove the unused u8500 hardware spinlock driver, and clean out the
  hwspinlock_pdata struct as this was the last user of the struct"

* tag 'hwlock-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  hwspinlock: remove now unused pdata from header file
  hwspinlock: u8500: delete driver
2026-04-17 14:21:40 -07:00
Linus Torvalds
231d703058 soc: defconfig updates for 7.1
As usual, we enable a number of additional device drivers as loadable
 modules, to support the added platforms. The largest change this time
 is for OMAP2/3, which were not that well supported in the generic arm32
 defconfig.
 
 The Tegra SoC platforms are now enabled by default in Kconfig when
 ARCH_TEGRA is enabled, which means the defconfig change is done at
 the same time as the Kconfig change here.
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Merge tag 'soc-defconfig-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC defconfig updates from Arnd Bergmann:
 "As usual, we enable a number of additional device drivers as loadable
  modules, to support the added platforms. The largest change this time
  is for OMAP2/3, which were not that well supported in the generic
  arm32 defconfig.

  The Tegra SoC platforms are now enabled by default in Kconfig when
  ARCH_TEGRA is enabled, which means the defconfig change is done at the
  same time as the Kconfig change here"

* tag 'soc-defconfig-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (25 commits)
  arch/arm: Drop CONFIG_FIRMWARE_EDID from defconfig files
  arm64: defconfig: Enable DP83TG720 PHY driver
  arm64: tegra: defconfig: Drop redundant ARCH_TEGRA_foo_SOC
  ARM: tegra: defconfig: Drop redundant ARCH_TEGRA_foo_SOC
  arm64: defconfig: enable pci-pwrctrl-generic as module
  arm64: defconfig: Enable Lontium LT8713sx driver
  arm64: defconfig: Enable Qualcomm Eliza SoC display clock controller
  arm64: defconfig: enable IPQ5210 RDP504 base configs
  arm64: defconfig: Enable Milos LPASS LPI pinctrl driver
  arm64: defconfig: Enable Kaanapali clock controllers
  arm64: defconfig: Enable configs for Arduino VENTUNO Q
  arm64: defconfig: Enable Qualcomm Eliza basic resource providers
  arm64: defconfig: Enable S5KJN1 camera sensor
  arm64: defconfig: Enable configurations for Toradex Aquila AM69
  arm64: defconfig: remove SENSORS_SA67MCU
  arm64: defconfig: Enable Qualcomm WCD937x headphone codec as module
  arm64: defconfig: Enable QCOMTEE module for QTEE-enabled Qualcomm SoCs
  ARM: shmobile: defconfig: Refresh for v7.0-rc1
  arm: multi_v7_defconfig: Enable more OMAP 3/4 related configs
  ARM: multi_v7_defconfig: omap2plus_defconfig: Enable ITE IT66121 driver
  ...
2026-04-16 20:40:20 -07:00
Eric Biggers
8c6d03b7a2 crypto: Remove michael_mic from crypto_shash API
Remove the "michael_mic" crypto_shash algorithm, since it's no longer
used.  Its only users were wireless drivers, which have now been
converted to use the michael_mic() function instead.

It makes sense that no other users ever appeared: Michael MIC is an
insecure algorithm that is specific to WPA TKIP, which itself was an
interim security solution to replace the broken WEP standard.

Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Link: https://patch.msgid.link/20260408030651.80336-7-ebiggers@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2026-04-08 10:11:37 +02:00
Wolfram Sang
392035c8b8 hwspinlock: u8500: delete driver
The U8500 platform was converted to DT around 2013 and is DT only
meanwhile. This driver has never been converted to a DT driver, so it
clearly hasn't been used since then. To ease upcoming refactoring in the
hwspinlock subsystem, remove this obsolete driver.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Acked-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Link: https://lore.kernel.org/r/20260401071141.4718-2-wsa+renesas@sang-engineering.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2026-04-06 09:43:18 -05:00
Krzysztof Kozlowski
07e1a498ee Microchip AT91 defconfig updates for v7.1
This update includes:
 - LCD controller, LVDS controller, backlight, simple pannel, touchscreen
   configuration flags required by SAMA7D65 SoC
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Merge tag 'at91-defconfig-7.1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/at91/linux into soc/defconfig

Microchip AT91 defconfig updates for v7.1

This update includes:
- LCD controller, LVDS controller, backlight, simple pannel, touchscreen
  configuration flags required by SAMA7D65 SoC

* tag 'at91-defconfig-7.1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  ARM: configs: at91: sama7: enable LVDS serializer support
  ARM: configs: at91: sama7: enable config for atmel maxtouch
  ARM: configs: at91: sama7: enable DRM hlcdc support

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2026-04-04 17:24:37 +02:00
Arnd Bergmann
e281307532 ARM: tegra: Default configuration changes for v7.1-rc1
Drop the various ARCH_TEGRA_*_SOC options from the default configurations
 since they are now enabled by default for ARCH_TEGRA.
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Merge tag 'tegra-for-7.1-arm-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/defconfig

ARM: tegra: Default configuration changes for v7.1-rc1

Drop the various ARCH_TEGRA_*_SOC options from the default configurations
since they are now enabled by default for ARCH_TEGRA.

* tag 'tegra-for-7.1-arm-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  ARM: tegra: defconfig: Drop redundant ARCH_TEGRA_foo_SOC
  soc/tegra: Make ARCH_TEGRA_SOC_FOO defaults for NVIDIA Tegra

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-04-02 23:04:59 +02:00
Arnd Bergmann
feb46c1b19 arm: OMAP defconfig updates for v7.1
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Merge tag 'omap-for-v7.1/defconfig-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap into soc/defconfig

arm: OMAP defconfig updates for v7.1

* tag 'omap-for-v7.1/defconfig-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap:
  arm: multi_v7_defconfig: Enable more OMAP 3/4 related configs
  ARM: multi_v7_defconfig: omap2plus_defconfig: Enable ITE IT66121 driver

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-04-02 23:00:36 +02:00
Thomas Zimmermann
757b23c2cb
arch/arm: Drop CONFIG_FIRMWARE_EDID from defconfig files
CONFIG_FIRMWARE_EDID=y depends on X86 or EFI_GENERIC_STUB. Neither is
true here, so drop the lines from the defconfig files.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kevin Hilman (TI) <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20260401082533.214103-1-tzimmermann@suse.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-04-02 22:58:42 +02:00
Krzysztof Kozlowski
21e380f272 ARM: tegra: defconfig: Drop redundant ARCH_TEGRA_foo_SOC
All CONFIG_ARCH_TEGRA_2x_SOC-like symbols are now default for
ARCH_TEGRA, so drop redundant lines from defconfigs.  Tested with
comparing include/generated/autoconf.h.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2026-03-25 10:49:00 +01:00
Nathan Chancellor
9e22e9c4a5 ARM: multi_v7_defconfig: Drop duplicate CONFIG_TI_PRUSS=m
Commit ee1ab82ee0 ("ARM: defconfig: move entries") added a duplicate
instance of CONFIG_TI_PRUSS=m, causing a Kconfig warning:

  arch/arm/configs/multi_v7_defconfig:1152:warning: override: reassigning to symbol TI_PRUSS

Drop the first instance, as the second instance added by the
aforementioned change is where savedefconfig puts it.

Fixes: ee1ab82ee0 ("ARM: defconfig: move entries")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://patch.msgid.link/20260305-arm-defconfig-drop-duplicate-ti-pruss-v1-1-2839e3b42a8b@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2026-03-14 12:34:25 +01:00
Geert Uytterhoeven
8c6cccefb3 ARM: shmobile: defconfig: Refresh for v7.0-rc1
Refresh the defconfig for Renesas ARM systems:
  - Move various DRM config symbols (moved in commit 22ba3bb3ff
    ("drm/Kconfig: sort driver Kconfig source list")),
  - Drop CONFIG_NFS_V4_1=y (removed in commit 7537db2480 ("NFS:
    Merge CONFIG_NFS_V4_1 with CONFIG_NFS_V4")).

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/d5faca8fe1db69d584f3097c269be7813ceffd33.1772449420.git.geert+renesas@glider.be
2026-03-06 13:42:09 +01:00
Andreas Kemnade
adcf290f9d arm: multi_v7_defconfig: Enable more OMAP 3/4 related configs
Enable drivers commonly used for these boards.

- CONFIG_*TWL*: PMIC mostly used on these devices so enable all functions.
  Especially charging is required to avoid having battery drained.

- missing SoC functions (watchdog, thermal, sound)

- TI WiLink chipset support to provide WLAN for
  - GTA04A5, Pandaboards, OpenPandora, Moverio BT200

- HCILL to provide Bluetooth on boards with TI WiLink
  combo chips

- TCA6507 LEDs: some are used as GPIO os GTA04A4 to provide
  Power.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Link: https://patch.msgid.link/20260220184336.616623-1-andreas@kemnade.info
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2026-03-05 16:45:57 -08:00
Kory Maincent (TI)
0616bdf083 ARM: multi_v7_defconfig: omap2plus_defconfig: Enable ITE IT66121 driver
Enable the ITE IT66121 HDMI bridge driver to support HDMI output on
the BeagleBone Green with the Seeed Studio HDMI cape.

Enable CONFIG_DRM_TILCDC as a module on multi_v7_defconfig to provide
display support for TI AM335x-based SoCs in this kernel configuration.

Signed-off-by: Kory Maincent (TI) <kory.maincent@bootlin.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260216-feature_bbge-v2-2-22805cfdbf62@bootlin.com
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2026-03-05 16:39:27 -08:00
Aubin Constans
1f17fce8bf ARM: configs: at91: sama7: enable LVDS serializer support
Add config support to enable LVDS serializer

Signed-off-by: Aubin Constans <aubin.constans@microchip.com>
Signed-off-by: Manikandan Muralidharan <manikandan.m@microchip.com>
Link: https://lore.kernel.org/r/20260225085430.480052-7-manikandan.m@microchip.com
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
2026-02-28 16:04:03 +02:00
Romain Sioen
127090601e ARM: configs: at91: sama7: enable config for atmel maxtouch
Add config support to enable maxtouch capacitive touchscreen

Signed-off-by: Romain Sioen <romain.sioen@microchip.com>
Signed-off-by: Manikandan Muralidharan <manikandan.m@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Link: https://lore.kernel.org/r/20260225085430.480052-6-manikandan.m@microchip.com
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
2026-02-28 16:04:02 +02:00
Ryan Wanner
57e5e24a5b ARM: configs: at91: sama7: enable DRM hlcdc support
Add configs for DRM Atmel LCD Controller, Backlight and Simple Panel

Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com>
Signed-off-by: Manikandan Muralidharan <manikandan.m@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Link: https://lore.kernel.org/r/20260225085430.480052-5-manikandan.m@microchip.com
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
2026-02-28 16:04:02 +02:00
Linus Torvalds
136114e0ab mm.git review status for linus..mm-nonmm-stable
Total patches:       107
 Reviews/patch:       1.07
 Reviewed rate:       67%
 
 - The 2 patch series "ocfs2: give ocfs2 the ability to reclaim
   suballocator free bg" from Heming Zhao saves disk space by teaching
   ocfs2 to reclaim suballocator block group space.
 
 - The 4 patch series "Add ARRAY_END(), and use it to fix off-by-one
   bugs" from Alejandro Colomar adds the ARRAY_END() macro and uses it in
   various places.
 
 - The 2 patch series "vmcoreinfo: support VMCOREINFO_BYTES larger than
   PAGE_SIZE" from Pnina Feder makes the vmcore code future-safe, if
   VMCOREINFO_BYTES ever exceeds the page size.
 
 - The 7 patch series "kallsyms: Prevent invalid access when showing
   module buildid" from Petr Mladek cleans up kallsyms code related to
   module buildid and fixes an invalid access crash when printing
   backtraces.
 
 - The 3 patch series "Address page fault in
   ima_restore_measurement_list()" from Harshit Mogalapalli fixes a
   kexec-related crash that can occur when booting the second-stage kernel
   on x86.
 
 - The 6 patch series "kho: ABI headers and Documentation updates" from
   Mike Rapoport updates the kexec handover ABI documentation.
 
 - The 4 patch series "Align atomic storage" from Finn Thain adds the
   __aligned attribute to atomic_t and atomic64_t definitions to get
   natural alignment of both types on csky, m68k, microblaze, nios2,
   openrisc and sh.
 
 - The 2 patch series "kho: clean up page initialization logic" from
   Pratyush Yadav simplifies the page initialization logic in
   kho_restore_page().
 
 - The 6 patch series "Unload linux/kernel.h" from Yury Norov moves
   several things out of kernel.h and into more appropriate places.
 
 - The 7 patch series "don't abuse task_struct.group_leader" from Oleg
   Nesterov removes the usage of ->group_leader when it is "obviously
   unnecessary".
 
 - The 5 patch series "list private v2 & luo flb" from Pasha Tatashin
   adds some infrastructure improvements to the live update orchestrator.
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Merge tag 'mm-nonmm-stable-2026-02-12-10-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:

 - "ocfs2: give ocfs2 the ability to reclaim suballocator free bg" saves
   disk space by teaching ocfs2 to reclaim suballocator block group
   space (Heming Zhao)

 - "Add ARRAY_END(), and use it to fix off-by-one bugs" adds the
   ARRAY_END() macro and uses it in various places (Alejandro Colomar)

 - "vmcoreinfo: support VMCOREINFO_BYTES larger than PAGE_SIZE" makes
   the vmcore code future-safe, if VMCOREINFO_BYTES ever exceeds the
   page size (Pnina Feder)

 - "kallsyms: Prevent invalid access when showing module buildid" cleans
   up kallsyms code related to module buildid and fixes an invalid
   access crash when printing backtraces (Petr Mladek)

 - "Address page fault in ima_restore_measurement_list()" fixes a
   kexec-related crash that can occur when booting the second-stage
   kernel on x86 (Harshit Mogalapalli)

 - "kho: ABI headers and Documentation updates" updates the kexec
   handover ABI documentation (Mike Rapoport)

 - "Align atomic storage" adds the __aligned attribute to atomic_t and
   atomic64_t definitions to get natural alignment of both types on
   csky, m68k, microblaze, nios2, openrisc and sh (Finn Thain)

 - "kho: clean up page initialization logic" simplifies the page
   initialization logic in kho_restore_page() (Pratyush Yadav)

 - "Unload linux/kernel.h" moves several things out of kernel.h and into
   more appropriate places (Yury Norov)

 - "don't abuse task_struct.group_leader" removes the usage of
   ->group_leader when it is "obviously unnecessary" (Oleg Nesterov)

 - "list private v2 & luo flb" adds some infrastructure improvements to
   the live update orchestrator (Pasha Tatashin)

* tag 'mm-nonmm-stable-2026-02-12-10-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (107 commits)
  watchdog/hardlockup: simplify perf event probe and remove per-cpu dependency
  procfs: fix missing RCU protection when reading real_parent in do_task_stat()
  watchdog/softlockup: fix sample ring index wrap in need_counting_irqs()
  kcsan, compiler_types: avoid duplicate type issues in BPF Type Format
  kho: fix doc for kho_restore_pages()
  tests/liveupdate: add in-kernel liveupdate test
  liveupdate: luo_flb: introduce File-Lifecycle-Bound global state
  liveupdate: luo_file: Use private list
  list: add kunit test for private list primitives
  list: add primitives for private list manipulations
  delayacct: fix uapi timespec64 definition
  panic: add panic_force_cpu= parameter to redirect panic to a specific CPU
  netclassid: use thread_group_leader(p) in update_classid_task()
  RDMA/umem: don't abuse current->group_leader
  drm/pan*: don't abuse current->group_leader
  drm/amd: kill the outdated "Only the pthreads threading model is supported" checks
  drm/amdgpu: don't abuse current->group_leader
  android/binder: use same_thread_group(proc->tsk, current) in binder_mmap()
  android/binder: don't abuse current->group_leader
  kho: skip memoryless NUMA nodes when reserving scratch areas
  ...
2026-02-12 12:13:01 -08:00
Linus Torvalds
f7fae9b4d3 soc: defconfig updates for 7.0
These are the usual updates, enabling mode newly merged device drivers for
 various Arm and RISC-V based platforms in the defconfig files. The Renesas
 and NXP defconfig files also get a refresh for modified Kconfig options.
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Merge tag 'soc-defconfig-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC defconfig updates from Arnd Bergmann:
 "These are the usual updates, enabling mode newly merged device drivers
  for various Arm and RISC-V based platforms in the defconfig files.

  The Renesas and NXP defconfig files also get a refresh for modified
  Kconfig options"

* tag 'soc-defconfig-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  riscv: defconfig: spacemit: k3: enable clock support
  ARM: defconfig: turn off CONFIG_EXPERT
  ARM: defconfig: move entries
  arm64: defconfig: Enable configurations for Kontron SMARC-sAM67
  ARM: imx_v4_v5_defconfig: update for v6.19-rc1
  arm64: defconfig: Enable Apple Silicon drivers
  arm64: select APPLE_PMGR_PWRSTATE for ARCH_APPLE
  arm64: defconfig: Enable Mediatek HDMIv2 driver
  ARM: shmobile: defconfig: Refresh for v6.19-rc1
  arm64: defconfig: Enable PCIe for the Renesas RZ/G3S SoC
  arm64: defconfig: Enable RZ/G3E USB3 PHY driver
  arm64: defconfig: Enable EC drivers for Qualcomm-based laptops
  arm64: defconfig: Enable options for Qualcomm Milos SoC
  ARM: imx_v6_v7_defconfig: enable EPD regulator needed for Kobo Clara 2e
  ARM: imx_v6_v7_defconfig: Configure CONFIG_SND_SOC_FSL_ASOC_CARD as module
  ARM: multi_v7_defconfig: enable DA9052 and MC13XXX
  arm64: defconfig: enable clocks, interconnect and pinctrl for Qualcomm Kaanapali
  arm64: defconfig: Drop duplicate CONFIG_OMAP_USB2 entry
  arm64: defconfig: Enable missing AMD/Xilinx drivers
2026-02-10 20:44:10 -08:00
Linus Torvalds
13d83ea9d8 Crypto library updates for 7.0
- Add support for verifying ML-DSA signatures.
 
   ML-DSA (Module-Lattice-Based Digital Signature Algorithm) is a
   recently-standardized post-quantum (quantum-resistant) signature
   algorithm. It was known as Dilithium pre-standardization.
 
   The first use case in the kernel will be module signing. But there
   are also other users of RSA and ECDSA signatures in the kernel that
   might want to upgrade to ML-DSA eventually.
 
 - Improve the AES library:
 
     - Make the AES key expansion and single block encryption and
       decryption functions use the architecture-optimized AES code.
       Enable these optimizations by default.
 
     - Support preparing an AES key for encryption-only, using about
       half as much memory as a bidirectional key.
 
     - Replace the existing two generic implementations of AES with a
       single one.
 
 - Simplify how Adiantum message hashing is implemented. Remove the
   "nhpoly1305" crypto_shash in favor of direct lib/crypto/ support for
   NH hashing, and enable optimizations by default.
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Merge tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux

Pull crypto library updates from Eric Biggers:

 - Add support for verifying ML-DSA signatures.

   ML-DSA (Module-Lattice-Based Digital Signature Algorithm) is a
   recently-standardized post-quantum (quantum-resistant) signature
   algorithm. It was known as Dilithium pre-standardization.

   The first use case in the kernel will be module signing. But there
   are also other users of RSA and ECDSA signatures in the kernel that
   might want to upgrade to ML-DSA eventually.

 - Improve the AES library:

     - Make the AES key expansion and single block encryption and
       decryption functions use the architecture-optimized AES code.
       Enable these optimizations by default.

     - Support preparing an AES key for encryption-only, using about
       half as much memory as a bidirectional key.

     - Replace the existing two generic implementations of AES with a
       single one.

 - Simplify how Adiantum message hashing is implemented. Remove the
   "nhpoly1305" crypto_shash in favor of direct lib/crypto/ support for
   NH hashing, and enable optimizations by default.

* tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: (53 commits)
  lib/crypto: mldsa: Clarify the documentation for mldsa_verify() slightly
  lib/crypto: aes: Drop 'volatile' from aes_sbox and aes_inv_sbox
  lib/crypto: aes: Remove old AES en/decryption functions
  lib/crypto: aesgcm: Use new AES library API
  lib/crypto: aescfb: Use new AES library API
  crypto: omap - Use new AES library API
  crypto: inside-secure - Use new AES library API
  crypto: drbg - Use new AES library API
  crypto: crypto4xx - Use new AES library API
  crypto: chelsio - Use new AES library API
  crypto: ccp - Use new AES library API
  crypto: x86/aes-gcm - Use new AES library API
  crypto: arm64/ghash - Use new AES library API
  crypto: arm/ghash - Use new AES library API
  staging: rtl8723bs: core: Use new AES library API
  net: phy: mscc: macsec: Use new AES library API
  chelsio: Use new AES library API
  Bluetooth: SMP: Use new AES library API
  crypto: x86/aes - Remove the superseded AES-NI crypto_cipher
  lib/crypto: x86/aes: Add AES-NI optimization
  ...
2026-02-10 08:31:09 -08:00
Arnd Bergmann
b8b10118e9 i.MX defconfig changes for 6.20:
- A couple of changes from Alexander Stein and Andreas Kemnade to enable
   SND_SOC_FSL_ASOC_CARD and REGULATOR_FP9931 in imx_v6_v7_defconfig
 - A change from Dmitry Baryshkov to enable DA9052 and MC13XXX in
   multi_v7_defconfig
 - A change from Josua Mayer to refresh imx_v4_v5_defconfig by removing
   stale options and adding missing ones
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Merge tag 'imx-defconfig-6.20' of https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into soc/defconfig

i.MX defconfig changes for 6.20:

- A couple of changes from Alexander Stein and Andreas Kemnade to enable
  SND_SOC_FSL_ASOC_CARD and REGULATOR_FP9931 in imx_v6_v7_defconfig
- A change from Dmitry Baryshkov to enable DA9052 and MC13XXX in
  multi_v7_defconfig
- A change from Josua Mayer to refresh imx_v4_v5_defconfig by removing
  stale options and adding missing ones

* tag 'imx-defconfig-6.20' of https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx_v4_v5_defconfig: update for v6.19-rc1
  ARM: imx_v6_v7_defconfig: enable EPD regulator needed for Kobo Clara 2e
  ARM: imx_v6_v7_defconfig: Configure CONFIG_SND_SOC_FSL_ASOC_CARD as module
  ARM: multi_v7_defconfig: enable DA9052 and MC13XXX

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-01-29 09:16:24 +01:00
Arnd Bergmann
c741fc9557 Renesas ARM defconfig updates for v6.20
- Enable support for the Renesas RZ/G3E USB3 PHY and RZ/G3S PCIe
     drivers in the ARM64 defconfig,
   - Refresh the ARM SH-Mobile defconfig for v6.19-rc1.
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Merge tag 'renesas-arm-defconfig-for-v6.20-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into soc/defconfig

Renesas ARM defconfig updates for v6.20

  - Enable support for the Renesas RZ/G3E USB3 PHY and RZ/G3S PCIe
    drivers in the ARM64 defconfig,
  - Refresh the ARM SH-Mobile defconfig for v6.19-rc1.

* tag 'renesas-arm-defconfig-for-v6.20-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
  ARM: shmobile: defconfig: Refresh for v6.19-rc1
  arm64: defconfig: Enable PCIe for the Renesas RZ/G3S SoC
  arm64: defconfig: Enable RZ/G3E USB3 PHY driver

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-01-29 09:05:36 +01:00
Arnd Bergmann
6d925df981
ARM: defconfig: turn off CONFIG_EXPERT
Since multi_v7_defconfig is meant to be the generic defconfig, many
users are not going to be experts and it is counterintuitive to have
CONFIG_EXPERT enabled.

This change has a couple of side-effects:

 - CONFIG_NAMESPACES is enabled by default. This adds about 0.2% of
  .text, but is already enabled in many board specific configs, and
   apparently a requirement for systemd, so this seems like a useful
   change.

 - CONFIG_DEBUG_MEMORY_INIT is enabled now, adding a tiny bit
   of code in the inittext section

 - CONFIG_RFKILL, CONFIG_MEDIA_SUPPORT_FILTER and various CONFIG_HID
   driver defaults change, so these have to be listed explicitly to
   maintain the previous behavior

 - CONFIG_SERIAL_SH_SCI_NR_UARTS=20 changes to the default value
   of 18, which I understand to be sufficient for any buard, even
   if all UARTS are enabled at the same time

Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20260112153255.795553-2-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-01-29 08:56:07 +01:00
Arnd Bergmann
ee1ab82ee0
ARM: defconfig: move entries
Some Kconfig files got rearranged, so change the defconfig file
to put everything back in the order used by 'make savedefconfig'.

Link: https://lore.kernel.org/r/20260112153255.795553-1-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-01-29 08:55:58 +01:00
Li RongQing
e700f5d156 watchdog: softlockup: panic when lockup duration exceeds N thresholds
The softlockup_panic sysctl is currently a binary option: panic
immediately or never panic on soft lockups.

Panicking on any soft lockup, regardless of duration, can be overly
aggressive for brief stalls that may be caused by legitimate operations. 
Conversely, never panicking may allow severe system hangs to persist
undetected.

Extend softlockup_panic to accept an integer threshold, allowing the
kernel to panic only when the normalized lockup duration exceeds N
watchdog threshold periods.  This provides finer-grained control to
distinguish between transient delays and persistent system failures.

The accepted values are:
- 0: Don't panic (unchanged)
- 1: Panic when duration >= 1 * threshold (20s default, original behavior)
- N > 1: Panic when duration >= N * threshold (e.g., 2 = 40s, 3 = 60s.)

The original behavior is preserved for values 0 and 1, maintaining full
backward compatibility while allowing systems to tolerate brief lockups
while still catching severe, persistent hangs.

[lirongqing@baidu.com: v2]
  Link: https://lkml.kernel.org/r/20251218074300.4080-1-lirongqing@baidu.com
Link: https://lkml.kernel.org/r/20251216074521.2796-1-lirongqing@baidu.com
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Cc: Eduard Zingerman <eddyz87@gmail.com>
Cc: Hao Luo <haoluo@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Song Liu <song@kernel.org>
Cc: Stanislav Fomichev <sdf@fomichev.me>
Cc: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2026-01-20 19:44:20 -08:00
Josua Mayer
42832d01c6 ARM: imx_v4_v5_defconfig: update for v6.19-rc1
The i.MX ARM v4/v5 defconfig has gone out of sync with some dead options,
some removed and some missing.

1. Add missing options no longer enabled by default:
- CONFIG_I2C=y
- CONFIG_LCD_CLASS_DEVICE=y

2. Remove options enabled by default:
- CONFIG_CS89x0=y
- CONFIG_MEDIA_CAMERA_SUPPORT=y

3. Remove options that have no effect:
- # CONFIG_INET_XFRM_MODE_TRANSPORT is not set
- # CONFIG_INET_XFRM_MODE_TUNNEL is not set
- # CONFIG_INET_XFRM_MODE_BEET is not set

4. Remove options that have been removed completely from the kernel:
- CONFIG_USB_EHCI_MXC=y
  Removed by commit e7018751d2 ("usb: host: ehci-mxc: Remove the
driver").
- CONFIG_SMC911X=y
  Removed by commit a2fd08448f ("net: remove smc911x driver").
- -CONFIG_SND_SOC_MX27VIS_AIC32X4=y
  Removed by commit 3fbb01fb58 ("ASoC: mx27vis-aic32x4: Remove unused
driver").
- CONFIG_SND_SOC_PHYCORE_AC97=y
  Removed by commit 440534a0ec ("ASoC: phycore-ac97: Remove unused
driver").
- CONFIG_SND_SOC_IMX_MC13783=y
  Removed by commit 83e7e22786 ("ASoC: imx-mc13783: Remove unused
driver").

Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Josua Mayer <josua@solid-run.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2026-01-17 13:59:36 +08:00
Eric Biggers
fa2297750c lib/crypto: arm/aes: Migrate optimized code into library
Move the ARM optimized single-block AES en/decryption code into
lib/crypto/, wire it up to the AES library API, and remove the
superseded "aes-arm" crypto_cipher algorithm.

The result is that both the AES library and crypto_cipher APIs are now
optimized for ARM, whereas previously only crypto_cipher was (and the
optimizations weren't enabled by default, which this fixes as well).

Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20260112192035.10427-11-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
2026-01-12 11:39:58 -08:00