Commit Graph

652 Commits

Author SHA1 Message Date
Pengpeng Hou
0880884b36 MIPS: configs: Enable the current Ingenic USB PHY symbol
The Ingenic USB PHY provider is now built from phy-ingenic-usb.o under
`CONFIG_PHY_INGENIC_USB`.

The Ingenic defconfigs below still enable the stale `CONFIG_JZ4770_PHY`
symbol.  That symbol no longer carries the provider object, so the
defconfigs lose the intended USB PHY provider after olddefconfig.

Use `CONFIG_PHY_INGENIC_USB` instead.

Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2026-06-29 11:37:00 +02:00
Linus Torvalds
08c7183f5b - use software nodes for GPIO code
- cleanups and fixes
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Merge tag 'mips_7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - use software nodes for GPIO code

 - cleanups and fixes

* tag 'mips_7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (41 commits)
  mips: select legacy gpiolib interfaces where used
  MIPS: lib: Remove '.hidden' for local symbols
  MIPS: VDSO: Avoid including .got in dynamic segment
  MIPS: smp: report dying CPU to RCU in stop_this_cpu()
  MIPS: kernel: proc: Delete unnecessary braces in show_cpuinfo()
  MIPS: kernel: proc: Use seq_putc() calls in show_cpuinfo()
  mips: sched: Fix CPUMASK_OFFSTACK memory corruption
  MIPS: mm: Fix out-of-bounds write in maar_res_walk()
  MIPS: ath79: reduce ARCH_DMA_MINALIGN
  mips: dts: ar9132: fix wdt node name
  mips: Remove remaining defconfig references to the pktcdvd driver
  MIPS: mm: remove comment referring to removed CONFIG_MIPS_CMP
  MIPS: alchemy: db1300: switch to static device properties
  MIPS: alchemy: gpr: switch to static device properties
  MIPS: alchemy: db1000: use nodes attached to GPIO chips in properties
  MIPS: alchemy: mtx1: attach software nodes to GPIO chips
  MIPS: alchemy: provide visible function prototypes to board files
  MIPS: alchemy: platform: add missing include
  MIPS: ip22-gio: do not export device release function
  MIPS: ip22-gio: switch to dynamic root device
  ...
2026-06-19 07:46:16 -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
Catalin Iacob
10fd82791f mips: Remove remaining defconfig references to the pktcdvd driver
Commit 1cea5180f2 ("block: remove pktcdvd driver") left behind some
CONFIG_CONFIG_CDROM_PKTCDVD references in defconfigs. Remove them.

Signed-off-by: Catalin Iacob <iacobcatalin@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2026-06-15 12:11:34 +02:00
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
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
Ethan Nelson-Moore
910394c74c net: arcnet: remove ISA and PCMCIA support; modernize documentation
While ARCnet is still used in industrial environments, and cards are
still manufactured, it is unlikely anyone is still using it with ISA
and PCMCIA cards. Reduce future maintenance burden by removing all ISA
and PCMCIA ARCnet drivers and documentation related to them. Update
instructions for loading modules and passing parameters to work on
modern kernels and with the com20020_pci driver. Also take the
opportunity to document the rest of the module parameters, correct a
file path in Documentation/networking/arcnet.rst, and change a
reference to /etc/rc.inet1, which no longer exists, to refer to
ifconfig.

Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Link: https://patch.msgid.link/20260521001631.45434-4-enelsonmoore@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-05-22 17:20:56 -07:00
Eric Biggers
e227be3ffd crypto: drbg - Remove support for HASH_DRBG
Remove the support for HASH_DRBG.  It's likely unused code, seeing as
HMAC_DRBG is always enabled and prioritized over it unless
NETLINK_CRYPTO is used to change the algorithm priorities.

There's also no compelling reason to support more than one of
[HMAC_DRBG, HASH_DRBG, CTR_DRBG].  By definition, callers cannot tell
any difference in their outputs.  And all are FIPS-certifiable, which is
the only point of the kernel's NIST DRBGs anyway.

Switching to HASH_DRBG doesn't seem all that compelling, either.  For
one, it's more complex than HMAC_DRBG.

Thus, let's just drop HASH_DRBG support and focus on HMAC_DRBG.

Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2026-05-07 16:10:00 +08:00
Eric Biggers
6f88f41eeb crypto: drbg - Remove support for CTR_DRBG
Remove the support for CTR_DRBG.  It's likely unused code, seeing as
HMAC_DRBG is always enabled and prioritized over it unless
NETLINK_CRYPTO is used to change the algorithm priorities.

There's also no compelling reason to support more than one of
[HMAC_DRBG, HASH_DRBG, CTR_DRBG].  By definition, callers cannot tell
any difference in their outputs.  And all are FIPS-certifiable, which is
the only point of the kernel's NIST DRBGs anyway.

Switching to CTR_DRBG doesn't seem all that compelling, either.  While
it's often the fastest NIST DRBG, it has several disadvantages:

- CTR_DRBG uses AES.  Some platforms don't have AES acceleration at all,
  causing a fallback to the table-based AES code which is very slow and
  can be vulnerable to cache-timing attacks.  In contrast, HMAC_DRBG
  uses primitives that are consistently constant-time.

- CTR_DRBG is usually considered to be somewhat less cryptographically
  robust than HMAC_DRBG.  Granted, HMAC_DRBG isn't all that great
  either, e.g. given the negative result from Woodage & Shumow (2018)
  (https://eprint.iacr.org/2018/349.pdf), but that can be worked around.

- CTR_DRBG is more complex than HMAC_DRBG, risking bugs.  Indeed, while
  reviewing the CTR_DRBG code, I found two bugs, including one where it
  can return success while leaving the output buffer uninitialized.

- The kernel's implementation of CTR_DRBG uses an "ctr(aes)"
  crypto_skcipher and relies on it returning the next counter value.
  That's fragile, and indeed historically many "ctr(aes)"
  crypto_skcipher implementations haven't done that.  E.g. see
  commit 511306b2d0 ("crypto: arm/aes-ce - update IV after partial final CTR block"),
  commit fa5fd3afc7 ("crypto: arm64/aes-blk - update IV after partial final CTR block"),
  commit 371731ec21 ("crypto: atmel-aes - Fix saving of IV for CTR mode"),
  commit 25baaf8e2c ("crypto: crypto4xx - fix ctr-aes missing output IV"),
  commit 334d37c9e2 ("crypto: caam - update IV using HW support"),
  commit 0a4491d3fe ("crypto: chelsio - count incomplete block in IV"),
  commit e8e3c1ca57 ("crypto: s5p - update iv after AES-CBC op end").

  I.e., there were many years where the kernel's CTR_DRBG code (if it
  were to have actually been used) repeated outputs on some platforms.

  AES-CTR also uses a 128-bit counter, which creates overflow edge cases
  that are sometimes gotten wrong.  E.g. see commit 009b30ac74
  ("crypto: vmx - CTR: always increment IV as quadword").

So, while switching to CTR_DRBG for performance reasons isn't completely
out of the question (notably BoringSSL uses it), it would take quite a
bit more work to create a solid implementation of it in the kernel,
including a more solid implementation of AES-CTR itself (in lib/crypto/,
with a scalar bit-sliced fallback, etc).  Since HMAC_DRBG has always
been the default NIST DRBG variant in the kernel and is in a better
state, let's just standardize on it for now.

Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2026-05-07 16:10:00 +08:00
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
5783522348 drivers: net: 8390: AX88190: Remove this driver
The ax88190 was written by David A. Hinds in 2001. It is an PCMCIA
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-v2-12-08a5b59784d5@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-23 15:57:10 -07:00
Andrew Lunn
51c1c88b64 drivers: net: fujitsu: fmvj18x: Remove this driver
The fmvj18x was written by Shingo Fujimoto in 2002. It is an PCMCIA
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-v2-11-08a5b59784d5@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-23 15:57:10 -07:00
Andrew Lunn
a3fb9a5bf6 drivers: net: smsc: smc91c92: Remove this driver
The smc91c92 was written by David A Hinds in 1999. It is an PCMCIA
device, so unlikely to be used with modern kernels.

Remove the Documentation as well, since it refers to kernel versions
1.2.13 until 1.3.71 and FTP sites which no longer exist.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20260422-v7-0-0-net-next-driver-removal-v1-v2-8-08a5b59784d5@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-23 15:57:06 -07:00
Andrew Lunn
29103588d7 drivers: net: amd: nmclan: Remove this driver
The nmclan was written by Roger C Pao in 1995. It is an PCMCIA 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-v2-6-08a5b59784d5@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-23 15:56:49 -07:00
Andrew Lunn
4ff8d0672d drivers: net: 3com: 3c589: Remove this driver
The 3c589 was written by David A. Hinds 2001. It is an PCMCIA 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-v2-4-08a5b59784d5@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-23 15:56:49 -07:00
Andrew Lunn
a7fbf27d77 drivers: net: 3com: 3c574: Remove this driver
The 3c574 was written by Donald Becker between 1993-1998. It is
an PCMCIA 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-v2-3-08a5b59784d5@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-23 15:56:49 -07:00
Mingyu Wang
aec3202247 net: packetengines: remove obsolete yellowfin driver and vendor dir
Similar to the hamachi driver, the yellowfin driver supports hardware
that is over two decades old and no longer in active use.

Since yellowfin was the last remaining driver in the packetengines
vendor directory, we can now safely remove the entire directory and
drop its associated references from the parent Kconfig and Makefile.

This eliminates dead code and reduces the overall maintenance burden
on the netdev subsystem.

Signed-off-by: Mingyu Wang <25181214217@stu.xidian.edu.cn>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20260422044820.485660-3-25181214217@stu.xidian.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-23 14:49:08 -07:00
Mingyu Wang
4cf42f9c3e net: packetengines: remove obsolete hamachi driver
The PacketEngine Hamachi driver is for PCI hardware that has been
obsolete for over two decades. It recently triggered arithmetic
exceptions during automated fuzzing.

As suggested by maintainers, remove the driver entirely to eliminate
dead code and reduce the maintenance burden.

Signed-off-by: Mingyu Wang <25181214217@stu.xidian.edu.cn>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20260422044820.485660-2-25181214217@stu.xidian.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-23 14:48:07 -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
Linus Torvalds
45dcf5e288 PCMCIA fixes and cleanups for v7.1
A number of minor PCMCIA bugfixes and cleanups, and a patch removing
 obsolete host controller drivers.
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Merge tag 'pcmcia-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux

Pull PCMCIA updates from Dominik Brodowski:
 "A number of minor PCMCIA bugfixes and cleanups, and a patch removing
  obsolete host controller drivers"

* tag 'pcmcia-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux:
  pcmcia: remove obsolete host controller drivers
  pcmcia: Convert to use less arguments in pci_bus_for_each_resource()
  PCMCIA: Fix garbled log messages for KERN_CONT
2026-04-23 11:22:16 -07:00
Jakub Kicinski
dd8d4bc28a net: remove ax25 and amateur radio (hamradio) subsystem
Remove the amateur radio (AX.25, NET/ROM, ROSE) protocol implementation
and all associated hamradio device drivers from the kernel tree.
This set of protocols has long been a huge bug/syzbot magnet,
and since nobody stepped up to help us deal with the influx
of the AI-generated bug reports we need to move it out of tree
to protect our sanity.

The code is moved to an out-of-tree repo:
https://github.com/linux-netdev/mod-orphan
if it's cleaned up and reworked there we can accept it back.

Minimal stub headers are kept for include/net/ax25.h (AX25_P_IP,
AX25_ADDR_LEN, ax25_address) and include/net/rose.h (ROSE_ADDR_LEN)
so that the conditional integration code in arp.c and tun.c continues
to compile and work when the out-of-tree modules are loaded.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Carlos Bilbao <carlos.bilbao@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Link: https://patch.msgid.link/20260421021824.1293976-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2026-04-23 10:24:02 -07:00
Linus Torvalds
d730905bc3 Support for Mobileye EyeQ6Lplus
Cleanups and fixes
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Merge tag 'mips_7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - Support for Mobileye EyeQ6Lplus

 - Cleanups and fixes

* tag 'mips_7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (30 commits)
  MIPS/mtd: Handle READY GPIO in generic NAND platform data
  MIPS/input: Move RB532 button to GPIO descriptors
  MIPS: validate DT bootargs before appending them
  MIPS: Alchemy: Remove unused forward declaration
  MAINTAINERS: Mobileye: Add EyeQ6Lplus files
  MIPS: config: add eyeq6lplus_defconfig
  MIPS: Add Mobileye EyeQ6Lplus evaluation board dts
  MIPS: Add Mobileye EyeQ6Lplus SoC dtsi
  clk: eyeq: Add Mobileye EyeQ6Lplus OLB
  clk: eyeq: Adjust PLL accuracy computation
  clk: eyeq: Skip post-divisor when computing PLL frequency
  pinctrl: eyeq5: Add Mobileye EyeQ6Lplus OLB
  pinctrl: eyeq5: Use match data
  reset: eyeq: Add Mobileye EyeQ6Lplus OLB
  MIPS: Add Mobileye EyeQ6Lplus support
  dt-bindings: soc: mobileye: Add EyeQ6Lplus OLB
  dt-bindings: mips: Add Mobileye EyeQ6Lplus SoC
  MIPS: dts: loongson64g-package: Switch to Loongson UART driver
  mips: pci-mt7620: rework initialization procedure
  mips: pci-mt7620: add more register init values
  ...
2026-04-17 08:53:23 -07:00
Benoît Monin
9f861f6047 MIPS: config: add eyeq6lplus_defconfig
Add a default configuration for Mobileye EyeQ6Lplus evaluation board.

Signed-off-by: Benoît Monin <benoit.monin@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2026-04-13 15:31:41 +02:00
Jakub Kicinski
118cbd428e Final updates, notably:
- crypto: move Michael MIC code into wireless (only)
  - mac80211:
    - multi-link 4-addr support
    - NAN data support (but no drivers yet)
  - ath10k: DT quirk to make it work on some devices
  - ath12k: IPQ5424 support
  - rtw89: USB improvements for performance
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Merge tag 'wireless-next-2026-04-10' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Johannes Berg says:

====================
Final updates, notably:
 - crypto: move Michael MIC code into wireless (only)
 - mac80211:
   - multi-link 4-addr support
   - NAN data support (but no drivers yet)
 - ath10k: DT quirk to make it work on some devices
 - ath12k: IPQ5424 support
 - rtw89: USB improvements for performance

* tag 'wireless-next-2026-04-10' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (124 commits)
  wifi: cfg80211: Explicitly include <linux/export.h> in michael-mic.c
  wifi: ath10k: Add device-tree quirk to skip host cap QMI requests
  dt-bindings: wireless: ath10k: Add quirk to skip host cap QMI requests
  crypto: Remove michael_mic from crypto_shash API
  wifi: ipw2x00: Use michael_mic() from cfg80211
  wifi: ath12k: Use michael_mic() from cfg80211
  wifi: ath11k: Use michael_mic() from cfg80211
  wifi: mac80211, cfg80211: Export michael_mic() and move it to cfg80211
  wifi: ipw2x00: Rename michael_mic() to libipw_michael_mic()
  wifi: libertas_tf: refactor endpoint lookup
  wifi: libertas: refactor endpoint lookup
  wifi: at76c50x: refactor endpoint lookup
  wifi: ath12k: Enable IPQ5424 WiFi device support
  wifi: ath12k: Add CE remap hardware parameters for IPQ5424
  wifi: ath12k: add ath12k_hw_regs for IPQ5424
  wifi: ath12k: add ath12k_hw_version_map entry for IPQ5424
  wifi: ath12k: Add ath12k_hw_params for IPQ5424
  dt-bindings: net: wireless: add ath12k wifi device IPQ5424
  wifi: ath10k: fix station lookup failure during disconnect
  wifi: ath12k: Create symlink for each radio in a wiphy
  ...
====================

Link: https://patch.msgid.link/20260410064703.735099-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-12 09:17:42 -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
Jakub Kicinski
e6b7e1a10c eth: remove the driver for acenic / tigon1&2
The entire git history for this driver looks like tree-wide
and automated cleanups. There's even more coming now with
AI, so let's try to delete it instead.

Acked-by: Jes Sorensen <jes@trained-monkey.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/20260403220501.2263835-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-06 18:52:27 -07:00
Thomas Zimmermann
71451b7105 arch/mips: 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>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2026-04-06 14:01:27 +02:00
Ethan Nelson-Moore
b3c26ea81c pcmcia: remove obsolete host controller 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 host controller drivers have had no meaningful changes since
their status was discussed in 2022 [2], and are unlikely to have any
remaining users. Remove them and a couple references to them
in comments.

The i82365 and tcic drivers are for ISA-attached host controllers,
which are even less likely to be used nowadays than ones on other buses.

The i82092 driver has almost certainly not been used in over 20 years.
It was broken by a null pointer dereference since the dawn of Git
history (2.6.12-rc2 in 2005) until someone fixed it in 2021 in commit
e39cdacf2f ("pcmcia: i82092: fix a null pointer dereference bug").
From their dmesg log [3], it is clear they were testing in an emulated
environment and not on real hardware.

i82365.h is used by drivers other than i82365 and is therefore retained.

[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/
[3] https://lore.kernel.org/all/1624345891-4215-1-git-send-email-zheyuma97@gmail.com/

Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com> # for x86
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2026-03-30 07:28:13 +02:00
Ethan Nelson-Moore
aba0138eb7 net: ethernet: neterion: s2io: remove unused driver
The s2io driver supports Exar (formerly Neterion and S2io) PCI-X 10
Gigabit Ethernet cards. Hardware supporting PCI-X has not been
manufactured in years. On x86, it was quickly replaced by PCIe. While
it stuck around longer on POWER hardware, the last POWER hardware to
support it was POWER7, which is not supported by ppc64le Linux
distributions. The last supported mainstream ppc64 Linux distribution
was RHEL 7; while it is still supported under ELS, ELS is only
available for x86 and IBM Z. It is possible to use many PCI-X cards in
standard PCI slots (which are still available on new motherboards), but
it does not make sense to do so for 10 Gigabit Ethernet because the
maximum bandwidth of standard PCI is only 1067 Mbps. It is therefore
highly unlikely that this driver is still being used. Remove the
driver, and move the former maintainer to the CREDITS file (restoring
credit for the vxge driver, which was removed in commit f05643a0f6
("eth: remove neterion/vxge").

Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Link: https://patch.msgid.link/20260126031352.22997-1-enelsonmoore@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-28 20:08:07 -08:00
Ethan Nelson-Moore
d8f87aa5fa net: remove HIPPI support and RoadRunner HIPPI driver
HIPPI has not been relevant for over two decades. It was rapidly
eclipsed by Fibre Channel, and even when it was new, it was
confined to very high-end hardware. The HIPPI code has only
received tree-wide changes and fixes by inspection in the entire
Git history. Remove HIPPI support and the rrunner HIPPI driver,
and move the former maintainer to the CREDITS file. Keep the
include/uapi/linux/if_hippi.h header because it is used by the TUN
code, and to avoid breaking userspace, however unlikely that may be.

Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Link: https://patch.msgid.link/20260119022451.22344-1-enelsonmoore@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-20 19:12:06 -08:00
Heiner Kallweit
2c29795791 net: ethernet: dnet: remove driver
This legacy platform driver was used with some Qong board.
Support for this board was removed with
commit c93197b004 ("ARM: imx: Remove i.MX31 board files")
in 2020. So remove this now orphaned driver.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/cef7c728-28ee-439f-b747-eb1c9394fe51@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-01-15 19:38:54 -08:00
Linus Torvalds
7f3c8f9191 sound fixes for 6.19-rc1
The rest for 6.19 merge window.  The only slightly large change is
 the enablement of CIX HD-audio controller, which took a bit time to
 be cooked up, while most of other changes are device-specific small
 trivial fixes.
 
 - Default disablement of the kconfig for decades old pre-release
   alsa-lib PCM API; it's only the default config value change, so
   it can't lead to any regressions for the existing setups
 - Support for CIX HD-audio controller
 - A few ASoC ACP fixes
 - Fixes for ASoC cirrus, bcm, wcd, qcom, ak platforms
 - Trivial hardening for FireWire and USB-audio
 - HD-audio Intel binding fix and quirks
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Merge tag 'sound-fix-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "The only slightly large change is the enablement of CIX HD-audio
  controller, which took a bit time to be cooked up, while most of other
  changes are device-specific small trivial fixes:

   - Default disablement of the kconfig for decades old pre-release
     alsa-lib PCM API; it's only the default config value change, so it
     can't lead to any regressions for the existing setups

   - Support for CIX HD-audio controller

   - A few ASoC ACP fixes

   - Fixes for ASoC cirrus, bcm, wcd, qcom, ak platforms

   - Trivial hardening for FireWire and USB-audio

   - HD-audio Intel binding fix and quirks"

* tag 'sound-fix-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (30 commits)
  ALSA: hda/tas2781: Add new quirk for HP new project
  ALSA: hda: cix-ipbloq: Use modern PM ops
  ALSA: hda: intel-dsp-config: Prefer legacy driver as fallback
  ASoC: amd: acp: update tdm channels for specific DAI
  ASoC: cs35l56: Fix incorrect select SND_SOC_CS35L56_CAL_SYSFS_COMMON
  ALSA: firewire-motu: add bounds check in put_user loop for DSP events
  ASoC: cs35l41: Always return 0 when a subsystem ID is found
  ALSA: uapi: Fix typo in asound.h comment
  ALSA: Do not build obsolete API
  ALSA: hda: add CIX IPBLOQ HDA controller support
  ALSA: hda/core: add addr_offset field for bus address translation
  ALSA: hda: dt-bindings: add CIX IPBLOQ HDA controller support
  ALSA: hda/realtek: Add support for ASUS UM3406GA
  ALSA: hda/realtek: Add support for HP Turbine Laptops
  ALSA: usb-audio: Initialize status1 to fix uninitialized symbol errors
  ALSA: firewire-motu: fix buffer overflow in hwdep read for DSP events
  ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()
  ASoC: cros_ec_codec: Remove unnecessary selection of CRYPTO
  ASoc: qcom: q6afe: fix bad guard conversion
  ASoC: rockchip: Fix Wvoid-pointer-to-enum-cast warning (again)
  ...
2025-12-13 16:09:10 +12:00
Linus Torvalds
7a3984bbd6 just cleanups and fixes
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Merge tag 'mips_6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:
 "Just cleanups and fixes"

* tag 'mips_6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: Fix whitespace damage in r4k_wait from VS timer fix
  mips: kvm: simplify kvm_mips_deliver_interrupts()
  MIPS: alchemy: mtx1: switch to static device properties
  mips: Remove __GFP_HIGHMEM masking
  MIPS: ftrace: Fix memory corruption when kernel is located beyond 32 bits
  MIPS: dts: Always descend vendor subdirectories
  mips: configs: loongson1: Update defconfig
  MIPS: Fix HOTPLUG_PARALLEL dependency
2025-12-10 06:20:22 +09:00
David Heidelberg
74ac7558ea ALSA: Do not build obsolete API
ALSA 0.9.0-rc3 is from 2002, 23 years old.

Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Reviewed-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
Acked-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20251203-old-alsa-v1-1-ac80704f52c3@ixit.cz
2025-12-07 13:15:59 +01:00
Linus Torvalds
edf602a17b TTY/Serial changes for 6.19-rc1
Here is the big set of tty/serial driver changes for 6.19-rc1.  Nothing
 major at all, just small constant churn to make the tty layer "cleaner"
 as well as serial driver updates and even a new test added!  Included in
 here are:
   - More tty/serial cleanups from Jiri
   - tty tiocsti test added to hopefully ensure we don't regress in this
     area again
   - sc16is7xx driver updates
   - imx serial driver updates
   - 8250 driver updates
   - new hardware device ids added
   - other minor serial/tty driver cleanups and tweaks
 
 All of these have been in linux-next for a while with no reported issues
 other than a merge-conflict that you will have when you merge into your
 tree (should be simple to resolve, just delete the code on both sides
 of the merge).
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial updates from Greg KH:
 "Here is the big set of tty/serial driver changes for 6.19-rc1. Nothing
  major at all, just small constant churn to make the tty layer
  "cleaner" as well as serial driver updates and even a new test added!
  Included in here are:

   - More tty/serial cleanups from Jiri

   - tty tiocsti test added to hopefully ensure we don't regress in this
     area again

   - sc16is7xx driver updates

   - imx serial driver updates

   - 8250 driver updates

   - new hardware device ids added

   - other minor serial/tty driver cleanups and tweaks

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'tty-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (60 commits)
  serial: sh-sci: Fix deadlock during RSCI FIFO overrun error
  dt-bindings: serial: rsci: Drop "uart-has-rtscts: false"
  LoongArch: dts: Add uart new compatible string
  serial: 8250: Add Loongson uart driver support
  dt-bindings: serial: 8250: Add Loongson uart compatible
  serial: 8250: add driver for KEBA UART
  serial: Keep rs485 settings for devices without firmware node
  serial: qcom-geni: Enable Serial on SA8255p Qualcomm platforms
  serial: qcom-geni: Enable PM runtime for serial driver
  serial: sprd: Return -EPROBE_DEFER when uart clock is not ready
  tty: serial: samsung: Declare earlycon for Exynos850
  serial: icom: Convert PCIBIOS_* return codes to errnos
  serial: 8250-of: Fix style issues in 8250_of.c
  serial: add support of CPCI cards
  serial: mux: Fix kernel doc for mux_poll()
  tty: replace use of system_unbound_wq with system_dfl_wq
  serial: 8250_platform: simplify IRQF_SHARED handling
  serial: 8250: make share_irqs local to 8250_platform
  serial: 8250: move skip_txen_test to core
  serial: drop SERIAL_8250_DEPRECATED_OPTIONS
  ...
2025-12-06 18:38:19 -08:00
Linus Torvalds
a619fe35ab This update includes the following changes:
API:
 
 - Rewrite memcpy_sglist from scratch.
 - Add on-stack AEAD request allocation.
 - Fix partial block processing in ahash.
 
 Algorithms:
 
 - Remove ansi_cprng.
 - Remove tcrypt tests for poly1305.
 - Fix EINPROGRESS processing in authenc.
 - Fix double-free in zstd.
 
 Drivers:
 
 - Use drbg ctr helper when reseeding xilinx-trng.
 - Add support for PCI device 0x115A to ccp.
 - Add support of paes in caam.
 - Add support for aes-xts in dthev2.
 
 Others:
 
 - Use likely in rhashtable lookup.
 - Fix lockdep false-positive in padata by removing a helper.
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Merge tag 'v6.19-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:
   - Rewrite memcpy_sglist from scratch
   - Add on-stack AEAD request allocation
   - Fix partial block processing in ahash

  Algorithms:
   - Remove ansi_cprng
   - Remove tcrypt tests for poly1305
   - Fix EINPROGRESS processing in authenc
   - Fix double-free in zstd

  Drivers:
   - Use drbg ctr helper when reseeding xilinx-trng
   - Add support for PCI device 0x115A to ccp
   - Add support of paes in caam
   - Add support for aes-xts in dthev2

  Others:
   - Use likely in rhashtable lookup
   - Fix lockdep false-positive in padata by removing a helper"

* tag 'v6.19-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (71 commits)
  crypto: zstd - fix double-free in per-CPU stream cleanup
  crypto: ahash - Zero positive err value in ahash_update_finish
  crypto: ahash - Fix crypto_ahash_import with partial block data
  crypto: lib/mpi - use min() instead of min_t()
  crypto: ccp - use min() instead of min_t()
  hwrng: core - use min3() instead of nested min_t()
  crypto: aesni - ctr_crypt() use min() instead of min_t()
  crypto: drbg - Delete unused ctx from struct sdesc
  crypto: testmgr - Add missing DES weak and semi-weak key tests
  Revert "crypto: scatterwalk - Move skcipher walk and use it for memcpy_sglist"
  crypto: scatterwalk - Fix memcpy_sglist() to always succeed
  crypto: iaa - Request to add Kanchana P Sridhar to Maintainers.
  crypto: tcrypt - Remove unused poly1305 support
  crypto: ansi_cprng - Remove unused ansi_cprng algorithm
  crypto: asymmetric_keys - fix uninitialized pointers with free attribute
  KEYS: Avoid -Wflex-array-member-not-at-end warning
  crypto: ccree - Correctly handle return of sg_nents_for_len
  crypto: starfive - Correctly handle return of sg_nents_for_len
  crypto: iaa - Fix incorrect return value in save_iaa_wq()
  crypto: zstd - Remove unnecessary size_t cast
  ...
2025-12-03 11:28:38 -08:00
Keguang Zhang
eb6ac268a7 mips: configs: loongson1: Update defconfig
Update loongson1_defconfig to reflect recent Kconfig changes:
- Replace CONFIG_MTD_NAND_LOONGSON1 with CONFIG_MTD_NAND_LOONGSON,
  since commit 7a1e3a452a ("mtd: rawnand: loongson1: Rename the
  prefix from ls1x to loongson").
- Enable CONFIG_ETHTOOL_NETLINK, since commit 9ff2aa4206 ("net:
  ethtool: mm: extract stmmac verification logic into common library")
  makes STMMAC_ETH depend on it.

In addition:
- Enable CONFIG_JUMP_LABEL to allow optimized static branch handling.
- Disable unnecessary options.
- Enable CONFIG_TEST_DHRY as a module.

Fixes: 7a1e3a452a ("mtd: rawnand: loongson1: Rename the prefix from ls1x to loongson")
Fixes: 9ff2aa4206 ("net: ethtool: mm: extract stmmac verification logic into common library")
Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2025-12-01 10:05:09 +01:00
Eric Biggers
c7dcb041ce crypto: ansi_cprng - Remove unused ansi_cprng algorithm
Remove ansi_cprng, since it's obsolete and unused, as confirmed at
https://lore.kernel.org/r/aQxpnckYMgAAOLpZ@gondor.apana.org.au/

This was originally added in 2008, apparently as a FIPS approved random
number generator.  Whether this has ever belonged upstream is
questionable.  Either way, ansi_cprng is no longer usable for this
purpose, since it's been superseded by the more modern algorithms in
crypto/drbg.c, and FIPS itself no longer allows it.  (NIST SP 800-131A
Rev 1 (2015) says that RNGs based on ANSI X9.31 will be disallowed after
2015.  NIST SP 800-131A Rev 2 (2019) confirms they are now disallowed.)

Therefore, there is no reason to keep it around.

Suggested-by: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Haotian Zhang <vulab@iscas.ac.cn>
Cc: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-11-22 10:04:50 +08:00
Jiri Slaby (SUSE)
37d55c92e9 serial: drop SERIAL_8250_DEPRECATED_OPTIONS
In 3.7, 8250 was unintentionally renamed to 8250_core. This happened in
the commit 835d844d1a (8250_pnp: do pnp probe before legacy probe).
This made 8250.<xxxx> module options effectively defunct. Instead,
8250_core.<xxxx> worked.

In 3.9, the commit f2b8dfd9e4 (serial: 8250: Keep 8250.<xxxx> module
options functional after driver rename) made the original options work
again by introducing a hack.

Later in 3.9, the commit 9196d8acd7 (TTY: 8250, revert module name
change) changed the module name back to 8250 (from 8250_core). Since
then, the hack was there to support the transient 8250_core.<xxxx>
options. Those were present only in the 3.7..3.9 range.

These transient options were deprecated by 9326b047e4 (TTY: 8250,
deprecated 8250_core.* options) in v3.9 too.

Now, after those 12 years, it is time to get rid of this hack
completely.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Link: https://patch.msgid.link/20251119092457.826789-4-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-11-21 18:31:27 +01:00
Linus Torvalds
66f8e4df00 Ext4 bug fixes for 6.18-rc2, including
* Fix regression caused by removing CONFIG_EXT3_FS when testing some
    very old defconfigs
  * Avoid a BUG_ON when opening a file on a maliciously corrupted file system
  * Avoid mm warnings when freeing a very large orphan file metadata
  * Avoid a theoretical races between metadata wrtteback and checkpoints.
    (It's very hard to hit in practice, since the race requires that the
    writeback take a very long time.)
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Merge tag 'ext4_for_linus-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 bug fixes from Ted Ts'o:

 - Fix regression caused by removing CONFIG_EXT3_FS when testing some
   very old defconfigs

 - Avoid a BUG_ON when opening a file on a maliciously corrupted file
   system

 - Avoid mm warnings when freeing a very large orphan file metadata

 - Avoid a theoretical races between metadata writeback and checkpoints
   (it's very hard to hit in practice, since the race requires that the
   writeback take a very long time)

* tag 'ext4_for_linus-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  Use CONFIG_EXT4_FS instead of CONFIG_EXT3_FS in all of the defconfigs
  ext4: free orphan info with kvfree
  ext4: detect invalid INLINE_DATA + EXTENTS flag combination
  ext4, doc: fix and improve directory hash tree description
  ext4: wait for ongoing I/O to complete before freeing blocks
  jbd2: ensure that all ongoing I/O complete before freeing blocks
2025-10-15 07:51:57 -07:00
Theodore Ts'o
c065b6046b Use CONFIG_EXT4_FS instead of CONFIG_EXT3_FS in all of the defconfigs
Commit d6ace46c82 ("ext4: remove obsolete EXT3 config options")
removed the obsolete EXT3_CONFIG options, since it had been over a
decade since fs/ext3 had been removed.  Unfortunately, there were a
number of defconfigs that still used CONFIG_EXT3_FS which the cleanup
commit didn't fix up.  This led to a large number of defconfig test
builds to fail.  Oops.

Fixes: d6ace46c82 ("ext4: remove obsolete EXT3 config options")
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2025-10-13 21:50:40 -04:00
Linus Torvalds
6a74422b97 - switch longson32 platform to DT and use MIPS_GENERIC framework
- cleanups/fixes for lantiq DTs
 - other cleanups and fixes
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Merge tag 'mips_6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - switch longson32 platform to DT and use MIPS_GENERIC framework

 - cleanups/fixes for lantiq DTs

 - other cleanups and fixes

* tag 'mips_6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (30 commits)
  mips: math-emu: replace deprecated strcpy() in me-debugfs
  MIPS: configs: Consolidate Loongson1 defconfigs
  MIPS: Unify Loongson1 PRID_REV
  MIPS: loongson32: Switch to generic core
  MIPS: loongson: Add built-in DTB support
  MIPS: dts: loongson: Add CQ-T300B board
  MIPS: dts: loongson: Add Smartloong-1C board
  MIPS: dts: loongson: Add LSGZ_1B_DEV board
  MIPS: dts: loongson: Add LS1B-DEMO board
  dt-bindings: mips: loongson: Add LS1B-DEMO and CQ-T300B
  mips: lantiq: danube: rename stp node on EASY50712 reference board
  mips: lantiq: xway: sysctrl: rename stp clock
  MIPS: RB532: Replace deprecated strcpy() with memcpy() and strscpy()
  MIPS: Loongson64: Replace deprecated strcpy() with strscpy_pad()
  MIPS: generic: Replace deprecated strcpy() in ocelot_detect()
  MIPS: octeon: Replace deprecated strcpy() in octeon_model_get_string_buffer()
  MIPS: octeon: Replace memset(0) + deprecated strcpy() with strscpy_pad()
  MIPS: arc: Replace deprecated strcpy() with memcpy()
  MIPS: txx9: Replace deprecated strcpy() with strscpy()
  MIPS: sni: Replace deprecated strcpy() in sni_console_setup()
  ...
2025-10-05 10:09:55 -07:00
Linus Torvalds
d8768fb12a Crypto library updates for 6.18
- Add a RISC-V optimized implementation of Poly1305. This code was
   written by Andy Polyakov and contributed by Zhihang Shao.
 
 - Migrate the MD5 code into lib/crypto/, and add KUnit tests for MD5.
   Yes, it's still the 90s, and several kernel subsystems are still using
   MD5 for legacy use cases. As long as that remains the case, it's
   helpful to clean it up in the same way as I've been doing for other
   algorithms. Later, I plan to convert most of these users of MD5 to use
   the new MD5 library API instead of the generic crypto API.
 
 - Simplify the organization of the ChaCha, Poly1305, BLAKE2s, and
   Curve25519 code. Consolidate these into one module per algorithm,
   and centralize the configuration and build process. This is the same
   reorganization that has already been successful for SHA-1 and SHA-2.
 
 - Remove the unused crypto_kpp API for Curve25519.
 
 - Migrate the BLAKE2s and Curve25519 self-tests to KUnit.
 
 - Always enable the architecture-optimized BLAKE2s code.
 
 Due to interdependencies between test and non-test code, both are
 included in this pull request. The broken-down diffstat is as follows:
 
     Tests:            735 insertions(+), 1917 deletions(-)
     RISC-V Poly1305:  877 insertions(+), 1 deletion(-)
     Other:           1777 insertions(+), 3117 deletions(-)
 
 Besides the new RISC-V code which is an addition, there are quite a
 few simplifications due to the improved code organization for multiple
 algorithms, the removal of the unused crypto_kpp API for Curve25519
 and redundant tests, and the redesign of the BLAKE2s test.
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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 a RISC-V optimized implementation of Poly1305. This code was
   written by Andy Polyakov and contributed by Zhihang Shao.

 - Migrate the MD5 code into lib/crypto/, and add KUnit tests for MD5.

   Yes, it's still the 90s, and several kernel subsystems are still
   using MD5 for legacy use cases. As long as that remains the case,
   it's helpful to clean it up in the same way as I've been doing for
   other algorithms.

   Later, I plan to convert most of these users of MD5 to use the new
   MD5 library API instead of the generic crypto API.

 - Simplify the organization of the ChaCha, Poly1305, BLAKE2s, and
   Curve25519 code.

   Consolidate these into one module per algorithm, and centralize the
   configuration and build process. This is the same reorganization that
   has already been successful for SHA-1 and SHA-2.

 - Remove the unused crypto_kpp API for Curve25519.

 - Migrate the BLAKE2s and Curve25519 self-tests to KUnit.

 - Always enable the architecture-optimized BLAKE2s code.

* tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: (38 commits)
  crypto: md5 - Implement export_core() and import_core()
  wireguard: kconfig: simplify crypto kconfig selections
  lib/crypto: tests: Enable Curve25519 test when CRYPTO_SELFTESTS
  lib/crypto: curve25519: Consolidate into single module
  lib/crypto: curve25519: Move a couple functions out-of-line
  lib/crypto: tests: Add Curve25519 benchmark
  lib/crypto: tests: Migrate Curve25519 self-test to KUnit
  crypto: curve25519 - Remove unused kpp support
  crypto: testmgr - Remove curve25519 kpp tests
  crypto: x86/curve25519 - Remove unused kpp support
  crypto: powerpc/curve25519 - Remove unused kpp support
  crypto: arm/curve25519 - Remove unused kpp support
  crypto: hisilicon/hpre - Remove unused curve25519 kpp support
  lib/crypto: tests: Add KUnit tests for BLAKE2s
  lib/crypto: blake2s: Consolidate into single C translation unit
  lib/crypto: blake2s: Move generic code into blake2s.c
  lib/crypto: blake2s: Always enable arch-optimized BLAKE2s code
  lib/crypto: blake2s: Remove obsolete self-test
  lib/crypto: x86/blake2s: Reduce size of BLAKE2S_SIGMA2
  lib/crypto: chacha: Consolidate into single module
  ...
2025-09-29 15:48:56 -07:00
Jakub Kicinski
8b3332c133 Revert "eth: remove the DLink/Sundance (ST201) driver"
This reverts commit 8401a108a6.

I got a report from an (anonymous) Sundance user:

  Ethernet controller: Sundance Technology Inc / IC Plus Corp IC Plus IP100A Integrated 10/100 Ethernet MAC + PHY (rev 31)

Revert the driver back in. Make following changes:
 - update Denis's email address in MAINTAINERS
 - adjust to timer API renames:
   - del_timer_sync() -> timer_delete_sync()
   - from_timer() -> timer_container_of()

Fixes: 8401a108a6 ("eth: remove the DLink/Sundance (ST201) driver")
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250901210818.1025316-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-02 15:49:41 -07:00
Keguang Zhang
ad79935dbc MIPS: configs: Consolidate Loongson1 defconfigs
Unify loongson{1b,1c}_defconfig into a single loongson1_defconfig.

Enable the following options by default:
 - CONFIG_SERIAL_OF_PLATFORM
 - CONFIG_RTC_DRV_LOONGSON
 - CONFIG_LOONGSON1_APB_DMA
 - CONFIG_MTD_NAND_LOONGSON1
 - CONFIG_SND_LOONGSON1_AC97

Also disable unnecessary options.

Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2025-08-29 22:34:31 +02:00
Eric Biggers
c9e5ac0ab9 lib/crypto: mips/md5: Migrate optimized code into library
Instead of exposing the mips-optimized MD5 code via mips-specific
crypto_shash algorithms, instead just implement the md5_blocks() library
function.  This is much simpler, it makes the MD5 library functions be
mips-optimized, and it fixes the longstanding issue where the
mips-optimized MD5 code was disabled by default.  MD5 still remains
available through crypto_shash, but individual architectures no longer
need to handle it.

Note: to see the diff from arch/mips/cavium-octeon/crypto/octeon-md5.c
to lib/crypto/mips/md5.h, view this commit with 'git show -M10'.

Link: https://lore.kernel.org/r/20250805222855.10362-3-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
2025-08-26 12:52:28 -04:00
Linus Torvalds
7a64bdfaf3 sound updates #2 for 6.17-rc1
For catching up the remaining stuff for 6.17: only small updates
 and the rest are mostly small fixes.
 
 - Fixes in HD-audio codec driver Kconfig, so that configurations
   can be more easily/safely carried between different versions
 - Fixes in ASoC SDCA, FSL xcvr, AW88399
 - ASoC IMX WM8524 support
 - HD-audio and USB-audio quirks and fixes
 - A minor selftest fix
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Merge tag 'sound-6.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull more sound updates from Takashi Iwai:
 "For catching up the remaining stuff for 6.17: only small updates and
  the rest are mostly small fixes.

   - Fixes in HD-audio codec driver Kconfig, so that configurations can
     be more easily/safely carried between different versions

   - Fixes in ASoC SDCA, FSL xcvr, AW88399

   - ASoC IMX WM8524 support

   - HD-audio and USB-audio quirks and fixes

   - A minor selftest fix"

* tag 'sound-6.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (21 commits)
  ALSA: usb: scarlett2: Fix missing NULL check
  mips: Update HD-audio configs again
  LoongArch: Update HD-audio codec configs
  arm: Update HD-audio configs again
  selftests: ALSA: fix memory leak in utimer test
  ALSA: usb-audio: Add DSD support for Comtrue USB Audio device
  ALSA: hda/hdmi: Enable drivers as default
  ALSA: hda/cirrus: Enable drivers as default
  ALSA: hda/realtek: Enable drivers as default
  ALSA: hda/realtek - Fix mute LED for HP Victus 16-d1xxx (MB 8A26)
  ALSA: hda/realtek - Fix mute LED for HP Victus 16-s0xxx
  ALSA: hda: Fix the wrong register was used for DVC of TAS2770
  ALSA: scarlett2: Add retry on -EPROTO from scarlett2_usb_tx()
  ALSA: hda/realtek - Fix mute LED for HP Victus 16-r1xxx
  ASoC: codecs: Add acpi_match_table for aw88399 driver
  ASoC: dt-bindings: atmel,at91-ssc: add microchip,sam9x7-ssc
  ASoC: imx-card: Add WM8524 support
  ASoC: fsl_xcvr: get channel status data with firmware exists
  ASoC: fsl_xcvr: get channel status data when PHY is not exists
  ASoC: SDCA: Add support for -cn- value properties
  ...
2025-08-01 12:26:24 -07:00
Linus Torvalds
f1aa129d80 DT updates for ralink, mobileye and ralink
Clean up of mc146818 usage
 Speed up delay calibration for CPS
 Other cleanups and fixes
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Merge tag 'mips_6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - DT updates for ralink, mobileye and atheros/qualcomm

 - Clean up of mc146818 usage

 - Speed up delay calibration for CPS

 - Other cleanups and fixes

* tag 'mips_6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (50 commits)
  MIPS: Don't use %pK through printk
  MIPS: Update Joshua Kinard's e-mail address
  MIPS: mobileye: dts: eyeq5,eyeq6h: rename the emmc controller
  MIPS: mm: tlb-r4k: Uniquify TLB entries on init
  MIPS: SGI-IP27: Delete an unnecessary check before kfree() in hub_domain_free()
  mips/malta,loongson2ef: use generic mc146818_get_time function
  mips: remove redundant macro mc146818_decode_year
  mips/mach-rm: remove custom mc146818rtc.h file
  mips: remove unused function mc146818_set_rtc_mmss
  MIPS: CPS: Optimise delay CPU calibration for SMP
  MIPS: CPS: Improve mips_cps_first_online_in_cluster()
  MIPS: disable MMID when not supported by the hardware
  MIPS: eyeq5_defconfig: add I2C subsystem, driver and temp sensor driver
  MIPS: eyeq5_defconfig: add GPIO subsystem & driver
  MIPS: mobileye: eyeq5: add two GPIO bank nodes
  MIPS: mobileye: eyeq5: add evaluation board I2C temp sensor
  MIPS: mobileye: eyeq5: add 5 I2C controller nodes
  MIPS: eyeq5_defconfig: Update for v6.16-rc1
  MIPS: vpe-mt: add missing prototypes for vpe_{alloc,start,stop,free}
  mips: boot: use 'targets' instead of extra-y in Makefile
  ...
2025-07-31 11:08:55 -07:00