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Author SHA1 Message Date
Linus Torvalds
fcc79e1714 Networking changes for 6.13. 
The most significant set of changes is the per netns RTNL. The new
 behavior is disabled by default, regression risk should be contained.
 
 Notably the new config knob PTP_1588_CLOCK_VMCLOCK will inherit its
 default value from PTP_1588_CLOCK_KVM, as the first is intended to be
 a more reliable replacement for the latter.
 
 Core
 ----
 
  - Started a very large, in-progress, effort to make the RTNL lock
    scope per network-namespace, thus reducing the lock contention
    significantly in the containerized use-case, comprising:
    - RCU-ified some relevant slices of the FIB control path
    - introduce basic per netns locking helpers
    - namespacified the IPv4 address hash table
    - remove rtnl_register{,_module}() in favour of rtnl_register_many()
    - refactor rtnl_{new,del,set}link() moving as much validation as
      possible out of RTNL lock
    - convert all phonet doit() and dumpit() handlers to RCU
    - convert IPv4 addresses manipulation to per-netns RTNL
    - convert virtual interface creation to per-netns RTNL
    the per-netns lock infra is guarded by the CONFIG_DEBUG_NET_SMALL_RTNL
    knob, disabled by default ad interim.
 
  - Introduce NAPI suspension, to efficiently switching between busy
    polling (NAPI processing suspended) and normal processing.
 
  - Migrate the IPv4 routing input, output and control path from direct
    ToS usage to DSCP macros. This is a work in progress to make ECN
    handling consistent and reliable.
 
  - Add drop reasons support to the IPv4 rotue input path, allowing
    better introspection in case of packets drop.
 
  - Make FIB seqnum lockless, dropping RTNL protection for read
    access.
 
  - Make inet{,v6} addresses hashing less predicable.
 
  - Allow providing timestamp OPT_ID via cmsg, to correlate TX packets
    and timestamps
 
 Things we sprinkled into general kernel code
 --------------------------------------------
 
  - Add small file operations for debugfs, to reduce the struct ops size.
 
  - Refactoring and optimization for the implementation of page_frag API,
    This is a preparatory work to consolidate the page_frag
    implementation.
 
 Netfilter
 ---------
 
  - Optimize set element transactions to reduce memory consumption
 
  - Extended netlink error reporting for attribute parser failure.
 
  - Make legacy xtables configs user selectable, giving users
    the option to configure iptables without enabling any other config.
 
  - Address a lot of false-positive RCU issues, pointed by recent
    CI improvements.
 
 BPF
 ---
 
  - Put xsk sockets on a struct diet and add various cleanups. Overall,
    this helps to bump performance by 12% for some workloads.
 
  - Extend BPF selftests to increase coverage of XDP features in
    combination with BPF cpumap.
 
  - Optimize and homogenize bpf_csum_diff helper for all archs and also
    add a batch of new BPF selftests for it.
 
  - Extend netkit with an option to delegate skb->{mark,priority}
    scrubbing to its BPF program.
 
  - Make the bpf_get_netns_cookie() helper available also to tc(x) BPF
    programs.
 
 Protocols
 ---------
 
  - Introduces 4-tuple hash for connected udp sockets, speeding-up
    significantly connected sockets lookup.
 
  - Add a fastpath for some TCP timers that usually expires after close,
    the socket lock contention.
 
  - Add inbound and outbound xfrm state caches to speed up state lookups.
 
  - Avoid sending MPTCP advertisements on stale subflows, reducing
    risks on loosing them.
 
  - Make neighbours table flushing more scalable, maintaining per device
    neigh lists.
 
 Driver API
 ----------
 
  - Introduce a unified interface to configure transmission H/W shaping,
    and expose it to user-space via generic-netlink.
 
  - Add support for per-NAPI config via netlink. This makes napi
    configuration persistent across queues removal and re-creation.
    Requires driver updates, currently supported drivers are:
    nVidia/Mellanox mlx4 and mlx5, Broadcom brcm and Intel ice.
 
  - Add ethtool support for writing SFP / PHY firmware blocks.
 
  - Track RSS context allocation from ethtool core.
 
  - Implement support for mirroring to DSA CPU port, via TC mirror
    offload.
 
  - Consolidate FDB updates notification, to avoid duplicates on
    device-specific entries.
 
  - Expose DPLL clock quality level to the user-space.
 
  - Support master-slave PHY config via device tree.
 
 Tests and tooling
 -----------------
 
  - forwarding: introduce deferred commands, to simplify
    the cleanup phase
 
 Drivers
 -------
 
  - Updated several drivers - Amazon vNic, Google vNic, Microsoft vNic,
    Intel e1000e and Broadcom Tigon3 - to use netdev-genl to link the
    IRQs and queues to NAPI IDs, allowing busy polling and better
    introspection.
 
  - Ethernet high-speed NICs:
    - nVidia/Mellanox:
      - mlx5:
        - a large refactor to implement support for cross E-Switch
          scheduling
        - refactor H/W conter management to let it scale better
        - H/W GRO cleanups
    - Intel (100G, ice)::
      - adds support for ethtool reset
      - implement support for per TX queue H/W shaping
    - AMD/Solarflare:
      - implement per device queue stats support
    - Broadcom (bnxt):
      - improve wildcard l4proto on IPv4/IPv6 ntuple rules
    - Marvell Octeon:
      - Adds representor support for each Resource Virtualization Unit
        (RVU) device.
    - Hisilicon:
      - adds support for the BMC Gigabit Ethernet
    - IBM (EMAC):
      - driver cleanup and modernization
    - Cisco (VIC):
      - raise the queues number limit to 256
 
  - Ethernet virtual:
    - Google vNIC:
      - implements page pool support
    - macsec:
      - inherit lower device's features and TSO limits when offloading
    - virtio_net:
      - enable premapped mode by default
      - support for XDP socket(AF_XDP) zerocopy TX
    - wireguard:
      - set the TSO max size to be GSO_MAX_SIZE, to aggregate larger
        packets.
 
  - Ethernet NICs embedded and virtual:
    - Broadcom ASP:
      - enable software timestamping
    - Freescale:
      - add enetc4 PF driver
    - MediaTek: Airoha SoC:
      - implement BQL support
    - RealTek r8169:
      - enable TSO by default on r8168/r8125
      - implement extended ethtool stats
    - Renesas AVB:
      - enable TX checksum offload
    - Synopsys (stmmac):
      - support header splitting for vlan tagged packets
      - move common code for DWMAC4 and DWXGMAC into a separate FPE
        module.
      - Add the dwmac driver support for T-HEAD TH1520 SoC
    - Synopsys (xpcs):
      - driver refactor and cleanup
    - TI:
      - icssg_prueth: add VLAN offload support
    - Xilinx emaclite:
      - adds clock support
 
  - Ethernet switches:
    - Microchip:
      - implement support for the lan969x Ethernet switch family
      - add LAN9646 switch support to KSZ DSA driver
 
  - Ethernet PHYs:
    - Marvel: 88q2x: enable auto negotiation
    - Microchip: add support for LAN865X Rev B1 and LAN867X Rev C1/C2
 
  - PTP:
    - Add support for the Amazon virtual clock device
    - Add PtP driver for s390 clocks
 
  - WiFi:
    - mac80211
      - EHT 1024 aggregation size for transmissions
      - new operation to indicate that a new interface is to be added
      - support radio separation of multi-band devices
      - move wireless extension spy implementation to libiw
    - Broadcom:
      - brcmfmac: optional LPO clock support
    - Microchip:
      - add support for Atmel WILC3000
    - Qualcomm (ath12k):
      - firmware coredump collection support
      - add debugfs support for a multitude of statistics
    - Qualcomm (ath5k):
      -  Arcadyan ARV45XX AR2417 & Gigaset SX76[23] AR241[34]A support
    - Realtek:
      - rtw88: 8821au and 8812au USB adapters support
      - rtw89: add thermal protection
      - rtw89: fine tune BT-coexsitence to improve user experience
      - rtw89: firmware secure boot for WiFi 6 chip
 
  - Bluetooth
      - add Qualcomm WCN785x support for ids Foxconn 0xe0fc/0xe0f3 and
        0x13d3:0x3623
      - add Realtek RTL8852BE support for id Foxconn 0xe123
      - add MediaTek MT7920 support for wireless module ids
      - btintel_pcie: add handshake between driver and firmware
      - btintel_pcie: add recovery mechanism
      - btnxpuart: add GPIO support to power save feature
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Paolo Abeni:
 "The most significant set of changes is the per netns RTNL. The new
  behavior is disabled by default, regression risk should be contained.

  Notably the new config knob PTP_1588_CLOCK_VMCLOCK will inherit its
  default value from PTP_1588_CLOCK_KVM, as the first is intended to be
  a more reliable replacement for the latter.

  Core:

   - Started a very large, in-progress, effort to make the RTNL lock
     scope per network-namespace, thus reducing the lock contention
     significantly in the containerized use-case, comprising:
       - RCU-ified some relevant slices of the FIB control path
       - introduce basic per netns locking helpers
       - namespacified the IPv4 address hash table
       - remove rtnl_register{,_module}() in favour of
         rtnl_register_many()
       - refactor rtnl_{new,del,set}link() moving as much validation as
         possible out of RTNL lock
       - convert all phonet doit() and dumpit() handlers to RCU
       - convert IPv4 addresses manipulation to per-netns RTNL
       - convert virtual interface creation to per-netns RTNL
     the per-netns lock infrastructure is guarded by the
     CONFIG_DEBUG_NET_SMALL_RTNL knob, disabled by default ad interim.

   - Introduce NAPI suspension, to efficiently switching between busy
     polling (NAPI processing suspended) and normal processing.

   - Migrate the IPv4 routing input, output and control path from direct
     ToS usage to DSCP macros. This is a work in progress to make ECN
     handling consistent and reliable.

   - Add drop reasons support to the IPv4 rotue input path, allowing
     better introspection in case of packets drop.

   - Make FIB seqnum lockless, dropping RTNL protection for read access.

   - Make inet{,v6} addresses hashing less predicable.

   - Allow providing timestamp OPT_ID via cmsg, to correlate TX packets
     and timestamps

  Things we sprinkled into general kernel code:

   - Add small file operations for debugfs, to reduce the struct ops
     size.

   - Refactoring and optimization for the implementation of page_frag
     API, This is a preparatory work to consolidate the page_frag
     implementation.

  Netfilter:

   - Optimize set element transactions to reduce memory consumption

   - Extended netlink error reporting for attribute parser failure.

   - Make legacy xtables configs user selectable, giving users the
     option to configure iptables without enabling any other config.

   - Address a lot of false-positive RCU issues, pointed by recent CI
     improvements.

  BPF:

   - Put xsk sockets on a struct diet and add various cleanups. Overall,
     this helps to bump performance by 12% for some workloads.

   - Extend BPF selftests to increase coverage of XDP features in
     combination with BPF cpumap.

   - Optimize and homogenize bpf_csum_diff helper for all archs and also
     add a batch of new BPF selftests for it.

   - Extend netkit with an option to delegate skb->{mark,priority}
     scrubbing to its BPF program.

   - Make the bpf_get_netns_cookie() helper available also to tc(x) BPF
     programs.

  Protocols:

   - Introduces 4-tuple hash for connected udp sockets, speeding-up
     significantly connected sockets lookup.

   - Add a fastpath for some TCP timers that usually expires after
     close, the socket lock contention.

   - Add inbound and outbound xfrm state caches to speed up state
     lookups.

   - Avoid sending MPTCP advertisements on stale subflows, reducing
     risks on loosing them.

   - Make neighbours table flushing more scalable, maintaining per
     device neigh lists.

  Driver API:

   - Introduce a unified interface to configure transmission H/W
     shaping, and expose it to user-space via generic-netlink.

   - Add support for per-NAPI config via netlink. This makes napi
     configuration persistent across queues removal and re-creation.
     Requires driver updates, currently supported drivers are:
     nVidia/Mellanox mlx4 and mlx5, Broadcom brcm and Intel ice.

   - Add ethtool support for writing SFP / PHY firmware blocks.

   - Track RSS context allocation from ethtool core.

   - Implement support for mirroring to DSA CPU port, via TC mirror
     offload.

   - Consolidate FDB updates notification, to avoid duplicates on
     device-specific entries.

   - Expose DPLL clock quality level to the user-space.

   - Support master-slave PHY config via device tree.

  Tests and tooling:

   - forwarding: introduce deferred commands, to simplify the cleanup
     phase

  Drivers:

   - Updated several drivers - Amazon vNic, Google vNic, Microsoft vNic,
     Intel e1000e and Broadcom Tigon3 - to use netdev-genl to link the
     IRQs and queues to NAPI IDs, allowing busy polling and better
     introspection.

   - Ethernet high-speed NICs:
      - nVidia/Mellanox:
         - mlx5:
           - a large refactor to implement support for cross E-Switch
             scheduling
           - refactor H/W conter management to let it scale better
           - H/W GRO cleanups
      - Intel (100G, ice)::
         - add support for ethtool reset
         - implement support for per TX queue H/W shaping
      - AMD/Solarflare:
         - implement per device queue stats support
      - Broadcom (bnxt):
         - improve wildcard l4proto on IPv4/IPv6 ntuple rules
      - Marvell Octeon:
         - Add representor support for each Resource Virtualization Unit
           (RVU) device.
      - Hisilicon:
         - add support for the BMC Gigabit Ethernet
      - IBM (EMAC):
         - driver cleanup and modernization
      - Cisco (VIC):
         - raise the queues number limit to 256

   - Ethernet virtual:
      - Google vNIC:
         - implement page pool support
      - macsec:
         - inherit lower device's features and TSO limits when
           offloading
      - virtio_net:
         - enable premapped mode by default
         - support for XDP socket(AF_XDP) zerocopy TX
      - wireguard:
         - set the TSO max size to be GSO_MAX_SIZE, to aggregate larger
           packets.

   - Ethernet NICs embedded and virtual:
      - Broadcom ASP:
         - enable software timestamping
      - Freescale:
         - add enetc4 PF driver
      - MediaTek: Airoha SoC:
         - implement BQL support
      - RealTek r8169:
         - enable TSO by default on r8168/r8125
         - implement extended ethtool stats
      - Renesas AVB:
         - enable TX checksum offload
      - Synopsys (stmmac):
         - support header splitting for vlan tagged packets
         - move common code for DWMAC4 and DWXGMAC into a separate FPE
           module.
         - add dwmac driver support for T-HEAD TH1520 SoC
      - Synopsys (xpcs):
         - driver refactor and cleanup
      - TI:
         - icssg_prueth: add VLAN offload support
      - Xilinx emaclite:
         - add clock support

   - Ethernet switches:
      - Microchip:
         - implement support for the lan969x Ethernet switch family
         - add LAN9646 switch support to KSZ DSA driver

   - Ethernet PHYs:
      - Marvel: 88q2x: enable auto negotiation
      - Microchip: add support for LAN865X Rev B1 and LAN867X Rev C1/C2

   - PTP:
      - Add support for the Amazon virtual clock device
      - Add PtP driver for s390 clocks

   - WiFi:
      - mac80211
         - EHT 1024 aggregation size for transmissions
         - new operation to indicate that a new interface is to be added
         - support radio separation of multi-band devices
         - move wireless extension spy implementation to libiw
      - Broadcom:
         - brcmfmac: optional LPO clock support
      - Microchip:
         - add support for Atmel WILC3000
      - Qualcomm (ath12k):
         - firmware coredump collection support
         - add debugfs support for a multitude of statistics
      - Qualcomm (ath5k):
         -  Arcadyan ARV45XX AR2417 & Gigaset SX76[23] AR241[34]A support
      - Realtek:
         - rtw88: 8821au and 8812au USB adapters support
         - rtw89: add thermal protection
         - rtw89: fine tune BT-coexsitence to improve user experience
         - rtw89: firmware secure boot for WiFi 6 chip

   - Bluetooth
      - add Qualcomm WCN785x support for ids Foxconn 0xe0fc/0xe0f3 and
        0x13d3:0x3623
      - add Realtek RTL8852BE support for id Foxconn 0xe123
      - add MediaTek MT7920 support for wireless module ids
      - btintel_pcie: add handshake between driver and firmware
      - btintel_pcie: add recovery mechanism
      - btnxpuart: add GPIO support to power save feature"

* tag 'net-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1475 commits)
  mm: page_frag: fix a compile error when kernel is not compiled
  Documentation: tipc: fix formatting issue in tipc.rst
  selftests: nic_performance: Add selftest for performance of NIC driver
  selftests: nic_link_layer: Add selftest case for speed and duplex states
  selftests: nic_link_layer: Add link layer selftest for NIC driver
  bnxt_en: Add FW trace coredump segments to the coredump
  bnxt_en: Add a new ethtool -W dump flag
  bnxt_en: Add 2 parameters to bnxt_fill_coredump_seg_hdr()
  bnxt_en: Add functions to copy host context memory
  bnxt_en: Do not free FW log context memory
  bnxt_en: Manage the FW trace context memory
  bnxt_en: Allocate backing store memory for FW trace logs
  bnxt_en: Add a 'force' parameter to bnxt_free_ctx_mem()
  bnxt_en: Refactor bnxt_free_ctx_mem()
  bnxt_en: Add mem_valid bit to struct bnxt_ctx_mem_type
  bnxt_en: Update firmware interface spec to 1.10.3.85
  selftests/bpf: Add some tests with sockmap SK_PASS
  bpf: fix recursive lock when verdict program return SK_PASS
  wireguard: device: support big tcp GSO
  wireguard: selftests: load nf_conntrack if not present
  ...
 2024-11-21 08:28:08 -08:00
Linus Torvalds
14d0e1a09f soc: driver updates for 6.12 
Nothing particular important in the SoC driver updates, just the usual
 improvements to for drivers/soc and a couple of subsystems that don't
 fit anywhere else:
 
  - The largest set of updates is for Qualcomm SoC drivers, extending the
    set of supported features for additional SoCs in the QSEECOM, LLCC
    and socinfo drivers.a
 
  - The ti_sci firmware driver gains support for power managment
 
  - The drivers/reset subsystem sees a rework of the microchip
    sparx5 and amlogic reset drivers to support additional chips,
    plus a few minor updates on other platforms
 
  - The SCMI firmware interface driver gains support for two protocol
    extensions, allowing more flexible use of the shared memory area
    and new DT binding properties for configurability.
 
  - Mediatek SoC drivers gain support for power managment on the MT8188
    SoC and a new driver for DVFS.
 
  - The AMD/Xilinx ZynqMP SoC drivers gain support for system reboot
    and a few bugfixes
 
  - The Hisilicon Kunpeng HCCS driver gains support for configuring
    lanes through sysfs
 
 Finally, there are cleanups and minor fixes for drivers/soc, drivers/bus,
 and drivers/memory, including changing back the .remove_new callback
 to .remove, as well as a few other updates for freescale (powerpc)
 soc drivers, NXP i.MX soc drivers, cznic turris platform driver, memory
 controller drviers, TI OMAP SoC drivers, and Tegra firmware drivers
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Merge tag 'soc-drivers-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC driver updates from Arnd Bergmann:
 "Nothing particular important in the SoC driver updates, just the usual
  improvements to for drivers/soc and a couple of subsystems that don't
  fit anywhere else:

   - The largest set of updates is for Qualcomm SoC drivers, extending
     the set of supported features for additional SoCs in the QSEECOM,
     LLCC and socinfo drivers.a

   - The ti_sci firmware driver gains support for power managment

   - The drivers/reset subsystem sees a rework of the microchip sparx5
     and amlogic reset drivers to support additional chips, plus a few
     minor updates on other platforms

   - The SCMI firmware interface driver gains support for two protocol
     extensions, allowing more flexible use of the shared memory area
     and new DT binding properties for configurability.

   - Mediatek SoC drivers gain support for power managment on the MT8188
     SoC and a new driver for DVFS.

   - The AMD/Xilinx ZynqMP SoC drivers gain support for system reboot
     and a few bugfixes

   - The Hisilicon Kunpeng HCCS driver gains support for configuring
     lanes through sysfs

  Finally, there are cleanups and minor fixes for drivers/{soc, bus,
  memory}, including changing back the .remove_new callback to .remove,
  as well as a few other updates for freescale (powerpc) soc drivers,
  NXP i.MX soc drivers, cznic turris platform driver, memory controller
  drviers, TI OMAP SoC drivers, and Tegra firmware drivers"

* tag 'soc-drivers-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (116 commits)
  soc: fsl: cpm1: qmc: Set the ret error code on platform_get_irq() failure
  soc: fsl: rcpm: fix missing of_node_put() in copy_ippdexpcr1_setting()
  soc: fsl: cpm1: tsa: switch to for_each_available_child_of_node_scoped()
  platform: cznic: turris-omnia-mcu: Rename variable holding GPIO line names
  platform: cznic: turris-omnia-mcu: Document the driver private data structure
  firmware: turris-mox-rwtm: Document the driver private data structure
  bus: Switch back to struct platform_driver::remove()
  soc: qcom: ice: Remove the device_link field in qcom_ice
  drm/msm/adreno: Setup SMMU aparture for per-process page table
  firmware: qcom: scm: Introduce CP_SMMU_APERTURE_ID
  firmware: arm_scpi: Check the DVFS OPP count returned by the firmware
  soc: qcom: socinfo: add IPQ5424/IPQ5404 SoC ID
  dt-bindings: arm: qcom,ids: add SoC ID for IPQ5424/IPQ5404
  soc: qcom: llcc: Flip the manual slice configuration condition
  dt-bindings: firmware: qcom,scm: Document sm8750 SCM
  firmware: qcom: uefisecapp: Allow X1E Devkit devices
  misc: lan966x_pci: Fix dtc warn 'Missing interrupt-parent'
  misc: lan966x_pci: Fix dtc warns 'missing or empty reg/ranges property'
  soc: qcom: llcc: Add LLCC configuration for the QCS8300 platform
  dt-bindings: cache: qcom,llcc: Document the QCS8300 LLCC
  ...
 2024-11-20 15:40:54 -08:00
Linus Torvalds
9c39d5ab45 soc: devicetree updates for 6.13 
This release adds the devicetree files for an impressive number of new
 SoC variants, though as expected these are all related to others we
 already support:
 
  - The microchip sam9x7 devicetree is now added, after the device driver
    and platform code has already made it in. This is likely the last ARMv5
    (!)  platform to ever get added, updating the 20+ year old at91/sam9
    platform wtih DDR3 memory and gigabit ethernet.
 
  - On the Apple platform, there are now devicetree files for a number of
    A-series SoCs in addition to the M-series ones, these are used
    primarily in phones and tablets, but are closely related to the
    already supported chips.
 
  - Samsung Exynos 8895 and Exynos 990 are more phone SoCs used in older
    Samsung Galaxy phones.
 
  - Qualcomm Snapdragon 778G (SM7325) is another phone SoC, closely related
    to the Snapdragon 7c+ Gen 3 (SC7280) used in low-end laptops.
 
  - Rockchip RK3528 and RK3576 are new variants of their TV box and Tablet
    chips, still using the older ARMv8.0 cores from RK3328/RK3399 but
    with a newer process and other improvements from the RK35xx (otherwise
    ARMv8.2) chips.  RK3566T and RK3399-S are also added, these are just
    lower-cost versions of their normal counterparts.
 
  - TI J742S2 is a feature-reduced version of the J784s4
    industrial/automotive SoC, with fewer CPU cores.
 
  - Sophgo SG2002 is an embedded SoC with one RISC-V (C906) and one ARM
    (Cortex-A53) core, at this point support is only added for running
    on the RISC-V side on the LicheeRV Nano board.
 
 A total of 92 new .dts files describing individual machines is added,
 which must be a new record. The majority of these is for the newly added
 chips above, notably all the Apple phones and tablets.  The other new
 machines include nine industrial/embedded boards with NXP i.MX6 or i.MX8
 SoCs, eight for Rockchips RK35XX and one or two each for Rockchips RV1109,
 RK3308, Allwinner A33, Tegra 234, Qualcomm qcs9100/sc8280xp/x1e80100,
 TI AM625 and Starfive JH7110.
 
 As usual there are also many newlyad added features in existing boards
 as well as cleanups and minor bugfixes.
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Merge tag 'soc-dt-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC devicetree updates from Arnd Bergmann:
 "This release adds the devicetree files for an impressive number of new
  SoC variants, though as expected these are all related to others we
  already support:

   - The microchip sam9x7 devicetree is now added, after the device
     driver and platform code has already made it in. This is likely the
     last ARMv5 (!) platform to ever get added, updating the 20+ year
     old at91/sam9 platform with DDR3 memory and gigabit ethernet.

   - On the Apple platform, there are now devicetree files for a number
     of A-series SoCs in addition to the M-series ones, these are used
     primarily in phones and tablets, but are closely related to the
     already supported chips.

   - Samsung Exynos 8895 and Exynos 990 are more phone SoCs used in
     older Samsung Galaxy phones.

   - Qualcomm Snapdragon 778G (SM7325) is another phone SoC, closely
     related to the Snapdragon 7c+ Gen 3 (SC7280) used in low-end
     laptops.

   - Rockchip RK3528 and RK3576 are new variants of their TV box and
     Tablet chips, still using the older ARMv8.0 cores from
     RK3328/RK3399 but with a newer process and other improvements from
     the RK35xx (otherwise ARMv8.2) chips. RK3566T and RK3399-S are also
     added, these are just lower-cost versions of their normal
     counterparts.

   - TI J742S2 is a feature-reduced version of the J784s4
     industrial/automotive SoC, with fewer CPU cores.

   - Sophgo SG2002 is an embedded SoC with one RISC-V (C906) and one ARM
     (Cortex-A53) core, at this point support is only added for running
     on the RISC-V side on the LicheeRV Nano board.

  A total of 92 new .dts files describing individual machines is added,
  which must be a new record. The majority of these is for the newly
  added chips above, notably all the Apple phones and tablets. The other
  new machines include nine industrial/embedded boards with NXP i.MX6 or
  i.MX8 SoCs, eight for Rockchips RK35XX and one or two each for
  Rockchips RV1109, RK3308, Allwinner A33, Tegra 234, Qualcomm
  qcs9100/sc8280xp/x1e80100, TI AM625 and Starfive JH7110.

  As usual there are also many newly added features in existing boards
  as well as cleanups and minor bugfixes"

* tag 'soc-dt-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (718 commits)
  arm64: dts: apm: Remove unused and undocumented "bus_num" property
  arm: dts: spear13xx: Remove unused and undocumented "pl022,slave-tx-disable" property
  arm64: dts: amd: Remove unused and undocumented "amd,zlib-support" property
  arm64: dts: lg131x: Update spi clock properties
  arm64: dts: seattle: Update spi clock properties
  arm64: dts: rockchip: use less broad pinctrl for pcie3x1 on Radxa E25
  arm64: dts: rockchip: add Radxa ROCK 5C
  dt-bindings: arm: rockchip: add Radxa ROCK 5C
  arm64: dts: rockchip: orangepi-5-plus: Enable GPU
  arm64: dts: rockchip: enable USB3 on NanoPC-T6
  arm64: dts: rockchip: adapt regulator nodenames to preferred form
  arm64: dts: rockchip: Enable HDMI display for rk3588 Cool Pi GenBook
  arm64: dts: rockchip: Enable HDMI display for rk3588 Cool Pi 4B
  arm64: dts: rockchip: Enable HDMI0 for rk3588 Cool Pi CM5 EVB
  arm64: dts: rockchip: Enable HDMI on NanoPi R6C/R6S
  arm64: dts: rockchip: Enable GPU on NanoPi R6C/R6S
  arm64: dts: rockchip: Enable HDMI on Hardkernel ODROID-M2
  arm64: dts: rockchip: Remove non-removable flag from sdmmc on rk3576-sige5
  arm64: dts: allwinner: a100: perf1: Add eMMC and MMC node
  arm64: dts: allwinner: pinephone: Add mount matrix to accelerometer
  ...
 2024-11-20 15:26:46 -08:00
Linus Torvalds
5c2b050848 A set of updates for the interrupt subsystem: 
- Tree wide:
 
     * Make nr_irqs static to the core code and provide accessor functions
       to remove existing and prevent future aliasing problems with local
       variables or function arguments of the same name.
 
   - Core code:
 
     * Prevent freeing an interrupt in the devres code which is not managed
       by devres in the first place.
 
     * Use seq_put_decimal_ull_width() for decimal values output in
       /proc/interrupts which increases performance significantly as it
       avoids parsing the format strings over and over.
 
     * Optimize raising the timer and hrtimer soft interrupts by using the
       'set bit only' variants instead of the combined version which checks
       whether ksoftirqd should be woken up. The latter is a pointless
       exercise as both soft interrupts are raised in the context of the
       timer interrupt and therefore never wake up ksoftirqd.
 
     * Delegate timer/hrtimer soft interrupt processing to a dedicated thread
       on RT.
 
       Timer and hrtimer soft interrupts are always processed in ksoftirqd
       on RT enabled kernels. This can lead to high latencies when other
       soft interrupts are delegated to ksoftirqd as well.
 
       The separate thread allows to run them seperately under a RT
       scheduling policy to reduce the latency overhead.
 
   - Drivers:
 
     * New drivers or extensions of existing drivers to support Renesas
       RZ/V2H(P), Aspeed AST27XX, T-HEAD C900 and ATMEL sam9x7 interrupt
       chips
 
     * Support for multi-cluster GICs on MIPS.
 
       MIPS CPUs can come with multiple CPU clusters, where each CPU cluster
       has its own GIC (Generic Interrupt Controller). This requires to
       access the GIC of a remote cluster through a redirect register block.
 
       This is encapsulated into a set of helper functions to keep the
       complexity out of the actual code paths which handle the GIC details.
 
     * Support for encrypted guests in the ARM GICV3 ITS driver
 
       The ITS page needs to be shared with the hypervisor and therefore
       must be decrypted.
 
     * Small cleanups and fixes all over the place
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Merge tag 'irq-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull interrupt subsystem updates from Thomas Gleixner:
 "Tree wide:

   - Make nr_irqs static to the core code and provide accessor functions
     to remove existing and prevent future aliasing problems with local
     variables or function arguments of the same name.

  Core code:

   - Prevent freeing an interrupt in the devres code which is not
     managed by devres in the first place.

   - Use seq_put_decimal_ull_width() for decimal values output in
     /proc/interrupts which increases performance significantly as it
     avoids parsing the format strings over and over.

   - Optimize raising the timer and hrtimer soft interrupts by using the
     'set bit only' variants instead of the combined version which
     checks whether ksoftirqd should be woken up. The latter is a
     pointless exercise as both soft interrupts are raised in the
     context of the timer interrupt and therefore never wake up
     ksoftirqd.

   - Delegate timer/hrtimer soft interrupt processing to a dedicated
     thread on RT.

     Timer and hrtimer soft interrupts are always processed in ksoftirqd
     on RT enabled kernels. This can lead to high latencies when other
     soft interrupts are delegated to ksoftirqd as well.

     The separate thread allows to run them seperately under a RT
     scheduling policy to reduce the latency overhead.

  Drivers:

   - New drivers or extensions of existing drivers to support Renesas
     RZ/V2H(P), Aspeed AST27XX, T-HEAD C900 and ATMEL sam9x7 interrupt
     chips

   - Support for multi-cluster GICs on MIPS.

     MIPS CPUs can come with multiple CPU clusters, where each CPU
     cluster has its own GIC (Generic Interrupt Controller). This
     requires to access the GIC of a remote cluster through a redirect
     register block.

     This is encapsulated into a set of helper functions to keep the
     complexity out of the actual code paths which handle the GIC
     details.

   - Support for encrypted guests in the ARM GICV3 ITS driver

     The ITS page needs to be shared with the hypervisor and therefore
     must be decrypted.

   - Small cleanups and fixes all over the place"

* tag 'irq-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (50 commits)
  irqchip/riscv-aplic: Prevent crash when MSI domain is missing
  genirq/proc: Use seq_put_decimal_ull_width() for decimal values
  softirq: Use a dedicated thread for timer wakeups on PREEMPT_RT.
  timers: Use __raise_softirq_irqoff() to raise the softirq.
  hrtimer: Use __raise_softirq_irqoff() to raise the softirq
  riscv: defconfig: Enable T-HEAD C900 ACLINT SSWI drivers
  irqchip: Add T-HEAD C900 ACLINT SSWI driver
  dt-bindings: interrupt-controller: Add T-HEAD C900 ACLINT SSWI device
  irqchip/stm32mp-exti: Use of_property_present() for non-boolean properties
  irqchip/mips-gic: Fix selection of GENERIC_IRQ_EFFECTIVE_AFF_MASK
  irqchip/mips-gic: Prevent indirect access to clusters without CPU cores
  irqchip/mips-gic: Multi-cluster support
  irqchip/mips-gic: Setup defaults in each cluster
  irqchip/mips-gic: Support multi-cluster in for_each_online_cpu_gic()
  irqchip/mips-gic: Replace open coded online CPU iterations
  genirq/irqdesc: Use str_enabled_disabled() helper in wakeup_show()
  genirq/devres: Don't free interrupt which is not managed by devres
  irqchip/gic-v3-its: Fix over allocation in itt_alloc_pool()
  irqchip/aspeed-intc: Add AST27XX INTC support
  dt-bindings: interrupt-controller: Add support for ASPEED AST27XX INTC
  ...
 2024-11-19 15:54:19 -08:00
Arnd Bergmann
b77587ac51 FSL SOC changes for 6.13: 
- Fix a missing of_node_put() in RCPM
 - Fix a missing error code on failure in CPM1 QMC
 - Switch to using for_each_available_child_of_node_scoped() in CPM1 TSA
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Merge tag 'soc_fsl-6.13-1' of https://github.com/chleroy/linux into soc/drivers

FSL SOC changes for 6.13:

- Fix a missing of_node_put() in RCPM
- Fix a missing error code on failure in CPM1 QMC
- Switch to using for_each_available_child_of_node_scoped() in CPM1 TSA

* tag 'soc_fsl-6.13-1' of https://github.com/chleroy/linux:
  soc: fsl: cpm1: qmc: Set the ret error code on platform_get_irq() failure
  soc: fsl: rcpm: fix missing of_node_put() in copy_ippdexpcr1_setting()
  soc: fsl: cpm1: tsa: switch to for_each_available_child_of_node_scoped()

Link: https://lore.kernel.org/r/c3c4961b-fe2a-4fcc-a7a1-f8b5352e09a2@csgroup.eu
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2024-11-15 15:19:47 +01:00
Herve Codina
cb3daa51db soc: fsl: cpm1: qmc: Set the ret error code on platform_get_irq() failure 
A kernel test robot detected a missing error code:
   qmc.c:1942 qmc_probe() warn: missing error code 'ret'

Indeed, the error returned by platform_get_irq() is checked and the
operation is aborted in case of failure but the ret error code is
not set in that case.

Set the ret error code.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202411051350.KNy6ZIWA-lkp@intel.com/
Fixes: 3178d58e0b97 ("soc: fsl: cpm1: Add support for QMC")
Cc: stable@vger.kernel.org
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Link: https://lore.kernel.org/r/20241105145623.401528-1-herve.codina@bootlin.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
 2024-11-14 08:26:15 +01:00
Javier Carrasco
c9f1efabf8 soc: fsl: rcpm: fix missing of_node_put() in copy_ippdexpcr1_setting() 
of_find_compatible_node() requires a call to of_node_put() when the
pointer to the node is not required anymore to decrement its refcount
and avoid leaking memory.

Add the missing call to of_node_put() after the node has been used.

Cc: stable@vger.kernel.org
Fixes: e95f287deed2 ("soc: fsl: handle RCPM errata A-008646 on SoC LS1021A")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20241013-rcpm-of_node_put-v1-1-9a8e55a01eae@gmail.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
 2024-11-14 08:25:45 +01:00
Javier Carrasco
844d098b6f soc: fsl: cpm1: tsa: switch to for_each_available_child_of_node_scoped() 
The non-scoped variant of this macro turns error-prone as soon as error
paths are included, because explicit calls to of_node_put() are required
to avoid leaking memory.

Using its scoped counterpart simplifies the code by removing the need of
explicit calls to of_node_put(), as they are automatically triggered as
soon as the child node goes out of scope. Moreover, it is more robust as
it accounts for new error paths without having to worry about
decrementing the object's refcount.

Note that the device_node is declared within the macro, and its explicit
declaration can be dropped as well if it is not used anywhere else.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Acked-by: Herve Codina <herve.codina@bootlin.com>
Link: https://lore.kernel.org/r/20241002-tsa-scoped-v1-1-ba6a6d657f82@gmail.com
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
 2024-11-14 08:24:49 +01:00
Arnd Bergmann
1876c788bb A few more Qualcomm driver updates for v6.13 
Make the Adreno driver invoke the SMMU aperture setup firmware function,
 which is required to allow the GPU to manage per-process page tables in
 some firmware versions - as an example Rb3Gen2 has no GPU without this.
 
 Add X1E Devkit to the list of devices that has functional EFI variable
 access through the uefisecapp.
 
 Flip the "manual slice configuration quirk" in the Qualcomm LLCC driver,
 as this only applies to a single platform, and introduce support for
 QCS8300, QCS615, SAR2130P, and SAR1130P.
 
 Lastly, add IPQ5424 and IPQ5404 to the Qualcomm socinfo driver.
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Merge tag 'qcom-drivers-for-6.13-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers

A few more Qualcomm driver updates for v6.13

Make the Adreno driver invoke the SMMU aperture setup firmware function,
which is required to allow the GPU to manage per-process page tables in
some firmware versions - as an example Rb3Gen2 has no GPU without this.

Add X1E Devkit to the list of devices that has functional EFI variable
access through the uefisecapp.

Flip the "manual slice configuration quirk" in the Qualcomm LLCC driver,
as this only applies to a single platform, and introduce support for
QCS8300, QCS615, SAR2130P, and SAR1130P.

Lastly, add IPQ5424 and IPQ5404 to the Qualcomm socinfo driver.

* tag 'qcom-drivers-for-6.13-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  soc: qcom: ice: Remove the device_link field in qcom_ice
  drm/msm/adreno: Setup SMMU aparture for per-process page table
  firmware: qcom: scm: Introduce CP_SMMU_APERTURE_ID
  soc: qcom: socinfo: add IPQ5424/IPQ5404 SoC ID
  dt-bindings: arm: qcom,ids: add SoC ID for IPQ5424/IPQ5404
  soc: qcom: llcc: Flip the manual slice configuration condition
  dt-bindings: firmware: qcom,scm: Document sm8750 SCM
  firmware: qcom: uefisecapp: Allow X1E Devkit devices
  soc: qcom: llcc: Add LLCC configuration for the QCS8300 platform
  dt-bindings: cache: qcom,llcc: Document the QCS8300 LLCC
  soc: qcom: llcc: Add configuration data for QCS615
  dt-bindings: cache: qcom,llcc: Document the QCS615 LLCC
  soc: qcom: llcc: add support for SAR2130P and SAR1130P
  soc: qcom: llcc: use deciman integers for bit shift values
  dt-bindings: cache: qcom,llcc: document SAR2130P and SAR1130P

Link: https://lore.kernel.org/r/20241113032425.356306-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2024-11-13 18:38:56 +01:00
Arnd Bergmann
16023977b9 Samsung SoC drivers for v6.13 
Add Samsung ChipID driver support for new SoCs: Exynos8895, Exynos990
 and Exynos9810.
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Merge tag 'samsung-drivers-6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into soc/dt

Samsung SoC drivers for v6.13

Add Samsung ChipID driver support for new SoCs: Exynos8895, Exynos990
and Exynos9810.

* tag 'samsung-drivers-6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: exynos-chipid: Add support for Exynos9810 SoC
  dt-bindings: hwinfo: samsung,exynos-chipid: Add Samsung exynos9810 compatible
  soc: samsung: exynos-chipid: Add support for Exynos 990 chipid
  dt-bindings: hwinfo: exynos-chipid: Add compatible for Exynos 990 chipid
  soc: samsung: exynos-chipid: add exynos8895 SoC support
  dt-bindings: hwinfo: samsung,exynos-chipid: add exynos8895 compatible

Link: https://lore.kernel.org/r/20241029081002.21106-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2024-11-12 23:18:14 +01:00
Arnd Bergmann
ffca677936 TI SoC driver updates for v6.13 
- knav_qmss_queue: Cleanups around request_irq params and redundant code.
 - ti_sci: Power management ops in preperation for suspend/resume capability.
   Also includes dependency patch to export dev_pm_qos_read_value
   (acked by Rafael).
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Merge tag 'ti-driver-soc-for-v6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/drivers

TI SoC driver updates for v6.13

- knav_qmss_queue: Cleanups around request_irq params and redundant code.
- ti_sci: Power management ops in preperation for suspend/resume capability.
  Also includes dependency patch to export dev_pm_qos_read_value
  (acked by Rafael).

* tag 'ti-driver-soc-for-v6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux:
  firmware: ti_sci: Remove use of of_match_ptr() helper
  firmware: ti_sci: add CPU latency constraint management
  firmware: ti_sci: Introduce Power Management Ops
  firmware: ti_sci: Add system suspend and resume call
  firmware: ti_sci: Add support for querying the firmware caps
  PM: QoS: Export dev_pm_qos_read_value
  soc: ti: knav_qmss_queue: Drop redundant continue statement
  soc: ti: knav_qmss_queue: Use IRQF_NO_AUTOEN flag in request_irq()

Link: https://lore.kernel.org/r/20241106121708.rso5wvc7wbhfi6xk@maverick
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2024-11-12 16:01:10 +01:00
Joe Hattori
54a8cd0f92 soc: qcom: ice: Remove the device_link field in qcom_ice 
The struct device_link *link field in struct qcom_ice is only used to
store the result of a device_link_add call with the
DL_FLAG_AUTOREMOVE_SUPPLIER flag. With this flag, the resulting value
can only be used to check whether the link is present or not, as per the
device_link_add description, hence this commit removes the field.

Signed-off-by: Joe Hattori <joe@pf.is.s.u-tokyo.ac.jp>
Link: https://lore.kernel.org/r/20241030025046.303342-1-joe@pf.is.s.u-tokyo.ac.jp
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-11-11 22:03:30 -06:00
Jakub Kicinski
2696e451df Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 
Cross-merge networking fixes after downstream PR (net-6.12-rc7).

Conflicts:

drivers/net/ethernet/freescale/enetc/enetc_pf.c
  e15c5506dd39 ("net: enetc: allocate vf_state during PF probes")
  3774409fd4c6 ("net: enetc: build enetc_pf_common.c as a separate module")
https://lore.kernel.org/20241105114100.118bd35e@canb.auug.org.au

Adjacent changes:

drivers/net/ethernet/ti/am65-cpsw-nuss.c
  de794169cf17 ("net: ethernet: ti: am65-cpsw: Fix multi queue Rx on J7")
  4a7b2ba94a59 ("net: ethernet: ti: am65-cpsw: Use tstats instead of open coded version")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-11-07 13:44:16 -08:00
Manikanta Mylavarapu
a8fc655e01 soc: qcom: socinfo: add IPQ5424/IPQ5404 SoC ID 
Add SoC ID for Qualcomm IPQ5424/IPQ5404.

Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241016151528.2893599-3-quic_mmanikan@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-11-05 16:44:28 -08:00
Konrad Dybcio
92f3397c8c soc: qcom: llcc: Flip the manual slice configuration condition 
Commit c14e64b46944 ("soc: qcom: llcc: Support chipsets that can write
to llcc") made the code not configure certain registers on SDM845 due
to firmware security policies. That turned out only to concern SDM845,
but the condition was chosen such that all other entries (for SoCs that
didnot need it) were required to set .need_llcc_cfg = true.

Flip the condition, so the default is "doesn't need the workaround".

Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241104-topic-llcc_flip-v1-1-3003c846d131@oss.qualcomm.com
[bjorn: Dropped a few newly added need_llcc_cfg uses]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-11-05 16:13:25 -08:00
Arnd Bergmann
71ad2b07a8 soc: ti: driver updates for v6.13 
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Merge tag 'omap-for-v6.13/drivers-signed' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap into arm/drivers

soc: ti: driver updates for v6.13

* tag 'omap-for-v6.13/drivers-signed' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap:
  thermal/ti-soc-thermal: Fix typos
  soc: ti: smartreflex: Use IRQF_NO_AUTOEN flag in request_irq()

Link: https://lore.kernel.org/r/7hplnaomtt.fsf@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2024-11-04 22:49:44 +01:00
Arnd Bergmann
b8600cba23 MediaTek soc driver updates for v6.13 
This adds support for the MT8188 SoC in the MediaTek Regulator
 Coupler driver, allowing stable GPU DVFS on this chip;
 
 Moreover, this adds a new MediaTek DVFS Resource Collector (DVFSRC)
 driver, allowing to enable other drivers (interconnect, regulator)
 which can now communicate with the DVFSRC hardware.
 
 Last but not least, this includes some cleanups for the CMDQ Helper
 and MediaTek SVS drivers.
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Merge tag 'mtk-soc-for-v6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux into arm/drivers

MediaTek soc driver updates for v6.13

This adds support for the MT8188 SoC in the MediaTek Regulator
Coupler driver, allowing stable GPU DVFS on this chip;

Moreover, this adds a new MediaTek DVFS Resource Collector (DVFSRC)
driver, allowing to enable other drivers (interconnect, regulator)
which can now communicate with the DVFSRC hardware.

Last but not least, this includes some cleanups for the CMDQ Helper
and MediaTek SVS drivers.

* tag 'mtk-soc-for-v6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux:
  soc: mediatek: mtk-svs: Call of_node_put(np) only once in svs_get_subsys_device()
  soc: mediatek: mediatek-regulator-coupler: Support mt8188
  soc: mediatek: mtk-cmdq: Move cmdq_instruction init to declaration
  soc: mediatek: mtk-cmdq: Move mask build and append to function
  soc: mediatek: Add MediaTek DVFS Resource Collector (DVFSRC) driver
  dt-bindings: soc: mediatek: Add DVFSRC bindings for MT8183 and MT8195

Link: https://lore.kernel.org/r/20241104112625.161365-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2024-11-04 22:48:19 +01:00
Arnd Bergmann
f402711c4b i.MX drivers changes for 6.13: 
- A series from Marek Vasut to probe soc-imx8m as platform driver,
   so that it works properly with 'driver_async_probe' kernel parameter.
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Merge tag 'imx-drivers-6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers

i.MX drivers changes for 6.13:

- A series from Marek Vasut to probe soc-imx8m as platform driver,
  so that it works properly with 'driver_async_probe' kernel parameter.

* tag 'imx-drivers-6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx8m: Use devm_* to simplify probe failure handling
  soc: imx8m: Remove global soc_uid
  soc: imx8m: Probe the SoC driver as platform driver

Link: https://lore.kernel.org/r/20241104090055.1881860-1-shawnguo2@yeah.net
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2024-11-04 14:34:32 +01:00
Arnd Bergmann
73536ab21a Qualcomm driver updates for v6.13 
Enable QSEECOM, and thereby access to EFI variables, for Lenovo Yoga
 Slim 7x, Dell XPS 13, Microsoft Surface Pro 9.
 
 Last Level Cache Controller (LLCC) driver code is shuffled, to improve
 readability of the tables.
 
 The Qualcomm socinfo driver gains support for QCS615, QCS9100, SAR1130P,
 SAR2130P, and SA8255P.
 
 A few drivers are simplified using dev_err_probe() and guard(), and a
 few kernel-doc issues are corrected.
 
 Mentioning of the #linux-msm IRC channel is added to the MAINTAINERS
 file.
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Merge tag 'qcom-drivers-for-6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers

Qualcomm driver updates for v6.13

Enable QSEECOM, and thereby access to EFI variables, for Lenovo Yoga
Slim 7x, Dell XPS 13, Microsoft Surface Pro 9.

Last Level Cache Controller (LLCC) driver code is shuffled, to improve
readability of the tables.

The Qualcomm socinfo driver gains support for QCS615, QCS9100, SAR1130P,
SAR2130P, and SA8255P.

A few drivers are simplified using dev_err_probe() and guard(), and a
few kernel-doc issues are corrected.

Mentioning of the #linux-msm IRC channel is added to the MAINTAINERS
file.

* tag 'qcom-drivers-for-6.13' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (30 commits)
  soc: qcom: socinfo: add QCS9100 ID
  dt-bindings: arm: qcom,ids: add SoC ID for QCS9100
  dt-bindings: soc: qcom,aoss-qmp: Document the QCS8300 AOSS channel
  dt-bindings: soc: qcom: add qcom,qcs8300-imem compatible
  dt-bindings: firmware: qcom,scm: document SCM on QCS8300 SoCs
  soc: qcom: socinfo: add support for SA8255P
  dt-bindings: arm: qcom: add the SoC ID for SA8255P
  soc: qcom: smp2p: Simplify code with dev_err_probe()
  soc: qcom: smem: Simplify code with dev_err_probe()
  soc: qcom: rpmh-rsc: Simplify code with dev_err_probe()
  dt-bindings: soc: qcom: aoss-qmp: document support for SA8255p
  dt-bindings: firmware: qcom,scm: document support for SA8255p
  dt-bindings: soc: qcom,aoss-qmp: Add SAR2130P compatible
  dt-bindings: firmware: qcom,scm: Add SAR2130P compatible
  soc: qcom: socinfo: add SoC IDs for SAR1130P and SAR2130P
  dt-bindings: arm: qcom,ids: add SoC ID for SAR2130P and SAR1130P
  dt-bindings: soc: qcom: aoss-qmp: Add SM8750
  soc: qcom: socinfo: Add QCS615 SoC ID table entry
  dt-bindings: arm: qcom,ids: add SoC ID for QCS615
  soc: qcom: smem: Fix up kerneldoc
  ...

Link: https://lore.kernel.org/r/20241102231953.871067-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2024-11-04 14:32:51 +01:00
Arnd Bergmann
04d4d0a446 arm64: ZynqMP SoC changes for 6.13 
event_manager:
 - cleanup error path
 
 firmware:
 - add support for new SMC layout
 - fix feature check logic
 - extend debug interface
 - update reset ID format
 - report about unsupported feature in pinctrl
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Merge tag 'zynqmp-soc-for-6.13' of https://github.com/Xilinx/linux-xlnx into arm/drivers

arm64: ZynqMP SoC changes for 6.13

event_manager:
- cleanup error path

firmware:
- add support for new SMC layout
- fix feature check logic
- extend debug interface
- update reset ID format
- report about unsupported feature in pinctrl

* tag 'zynqmp-soc-for-6.13' of https://github.com/Xilinx/linux-xlnx:
  firmware: xilinx: fix feature check logic for TF-A specific APIs
  firmware: xilinx: add support for new SMC call format
  firmware: xilinx: add a warning print for unsupported feature
  firmware: xilinx: use u32 for reset ID in reset APIs
  firmware: xilinx: Add missing debug firmware interfaces
  drivers: soc: xilinx: add the missing kfree in xlnx_add_cb_for_suspend()

Link: https://lore.kernel.org/r/CAHTX3dK9PKmG_UG4MW=x5KmZCrd5PkcAZiNVgPFQ_zsPRgu+dg@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2024-11-04 14:31:16 +01:00
Arnd Bergmann
bbfbb57958 Qualcomm driver fixes for v6.12 
The Qualcomm EDAC driver's configuration of interrupts is made optional,
 to avoid violating security constriants on X Elite platform .
 
 The SCM drivers' detection mechanism for the presence of SHM bridge in QTEE,
 is corrected to handle the case where firmware successfully returns that
 the interface isn't supported.
 
 The GLINK driver and the PMIC GLINK interface is updated to handle
 buffer allocation issues during initialization of the communication
 channel.
 
 Allocation error handling in the socinfo dirver is corrected, and then
 the fix is corrected.
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Merge tag 'qcom-drivers-fixes-for-6.12' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes

Qualcomm driver fixes for v6.12

The Qualcomm EDAC driver's configuration of interrupts is made optional,
to avoid violating security constriants on X Elite platform .

The SCM drivers' detection mechanism for the presence of SHM bridge in QTEE,
is corrected to handle the case where firmware successfully returns that
the interface isn't supported.

The GLINK driver and the PMIC GLINK interface is updated to handle
buffer allocation issues during initialization of the communication
channel.

Allocation error handling in the socinfo dirver is corrected, and then
the fix is corrected.

* tag 'qcom-drivers-fixes-for-6.12' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  soc: qcom: pmic_glink: Handle GLINK intent allocation rejections
  rpmsg: glink: Handle rejected intent request better
  soc: qcom: socinfo: fix revision check in qcom_socinfo_probe()
  firmware: qcom: scm: Return -EOPNOTSUPP for unsupported SHM bridge enabling
  EDAC/qcom: Make irq configuration optional
  firmware: qcom: scm: fix a NULL-pointer dereference
  firmware: qcom: scm: suppress download mode error
  soc: qcom: Add check devm_kasprintf() returned value
  MAINTAINERS: Qualcomm SoC: Match reserved-memory bindings

Link: https://lore.kernel.org/r/20241101161455.746290-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2024-11-04 14:23:09 +01:00
Jingyi Wang
584e936fee soc: qcom: llcc: Add LLCC configuration for the QCS8300 platform 
Add LLCC configuration for the QCS8300 platform. There is an errata on
LB_CNT information on QCS8300 platform, hardcode num_banks to get the
correct value.

Signed-off-by: Jingyi Wang <quic_jingyw@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241031-qcs8300_llcc-v3-2-bb56952cb83b@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-11-03 22:07:44 -06:00
Song Xue
9f85ed1976 soc: qcom: llcc: Add configuration data for QCS615 
Add LLCC configuration support for the QCS615 platform.

Signed-off-by: Song Xue <quic_songxue@quicinc.com>
Link: https://lore.kernel.org/r/20241010-add_llcc_support_for_qcs615-v2-2-044432450a75@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-11-03 22:05:38 -06:00
Dmitry Baryshkov
1685f685ff soc: qcom: llcc: add support for SAR2130P and SAR1130P 
Implement necessary support for the LLCC control on the SAR1130P and
SAR2130P platforms. These two platforms use different ATTR1_MAX_CAP
shift and also require manual override for num_banks.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241026-sar2130p-llcc-v3-3-2a58fa1b4d12@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-11-03 22:04:22 -06:00
Dmitry Baryshkov
6dd3f08c72 soc: qcom: llcc: use deciman integers for bit shift values 
As pointed out by Konrad Dybcio, we generally should be using decimal
numbers to represent bit positions / bit shifts rather than hex numbers.
Use decimals for consistency.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241026-sar2130p-llcc-v3-2-2a58fa1b4d12@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-11-03 22:04:22 -06:00
Caleb Sander Mateos
61bf0009a7 dim: pass dim_sample to net_dim() by reference 
net_dim() is currently passed a struct dim_sample argument by value.
struct dim_sample is 24 bytes. Since this is greater 16 bytes, x86-64
passes it on the stack. All callers have already initialized dim_sample
on the stack, so passing it by value requires pushing a duplicated copy
to the stack. Either witing to the stack and immediately reading it, or
perhaps dereferencing addresses relative to the stack pointer in a chain
of push instructions, seems to perform quite poorly.

In a heavy TCP workload, mlx5e_handle_rx_dim() consumes 3% of CPU time,
94% of which is attributed to the first push instruction to copy
dim_sample on the stack for the call to net_dim():
// Call ktime_get()
  0.26 |4ead2:   call   4ead7 <mlx5e_handle_rx_dim+0x47>
// Pass the address of struct dim in %rdi
       |4ead7:   lea    0x3d0(%rbx),%rdi
// Set dim_sample.pkt_ctr
       |4eade:   mov    %r13d,0x8(%rsp)
// Set dim_sample.byte_ctr
       |4eae3:   mov    %r12d,0xc(%rsp)
// Set dim_sample.event_ctr
  0.15 |4eae8:   mov    %bp,0x10(%rsp)
// Duplicate dim_sample on the stack
 94.16 |4eaed:   push   0x10(%rsp)
  2.79 |4eaf1:   push   0x10(%rsp)
  0.07 |4eaf5:   push   %rax
// Call net_dim()
  0.21 |4eaf6:   call   4eafb <mlx5e_handle_rx_dim+0x6b>

To allow the caller to reuse the struct dim_sample already on the stack,
pass the struct dim_sample by reference to net_dim().

Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Arthur Kiyanovski <akiyano@amazon.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Link: https://patch.msgid.link/20241031002326.3426181-2-csander@purestorage.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-11-03 12:36:54 -08:00
Arnd Bergmann
d1d43fae06 HiSilicon driver updates for v6.13 
- Add the sysfs to show all HCCS types used on the platform
 - Add the low power feature for HCCS by adjusting the lane number
 - Few cleanups and improvements: correct a PCC typo, verify the die, port
 information, base address and size, update the lane_mode to max_lane_num
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Merge tag 'hisi-drivers-for-6.13' of https://github.com/hisilicon/linux-hisi into arm/drivers

HiSilicon driver updates for v6.13

- Add the sysfs to show all HCCS types used on the platform
- Add the low power feature for HCCS by adjusting the lane number
- Few cleanups and improvements: correct a PCC typo, verify the die, port
information, base address and size, update the lane_mode to max_lane_num

* tag 'hisi-drivers-for-6.13' of https://github.com/hisilicon/linux-hisi:
  soc: hisilicon: kunpeng_hccs: Support low power feature for the specified HCCS type
  soc: hisilicon: kunpeng_hccs: Add used HCCS types sysfs
  soc: hisilicon: kunpeng_hccs: Fix the 'lane_mode' field name in port info structure to 'max_lane_num'
  soc: hisilicon: kunpeng_hccs: Add the check for base address and size of shared memory
  soc: hisilicon: kunpeng_hccs: Return failure on having not die or port information
  soc: hisilicon: kunpeng_hccs: Fix a PCC typo

Link: https://lore.kernel.org/r/671B3FBD.8050905@hisilicon.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2024-11-01 17:10:16 +01:00
Uwe Kleine-König
511c06e390
soc: Switch back to struct platform_driver::remove() 
After commit 0edb555a65d1 ("platform: Make platform_driver::remove()
return void") .remove() is (again) the right callback to implement for
platform drivers.

Convert all platform drivers below drivers/soc to use .remove(), with
the eventual goal to drop struct platform_driver::remove_new(). As
.remove() and .remove_new() have the same prototypes, conversion is done
by just changing the structure member name in the driver initializer.

On the way do a few whitespace changes to make indention consistent.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Herve Codina <herve.codina@bootlin.com> # for fsl/qe/{qmc,tsa}.c
Acked-by: Bjorn Andersson <andersson@kernel.org> # qcom parts
Acked-by: Gabriel Somlo <gsomlo@gmail.com>
Acked-by: Andrew Jeffery <andrew@codeconstruct.com.au> # aspeed
Link: https://lore.kernel.org/r/20241029074859.509587-2-u.kleine-koenig@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2024-11-01 17:08:57 +01:00
Tengfei Fan
d088afa7de soc: qcom: socinfo: add QCS9100 ID 
Add the ID for the Qualcomm QCS9100 SoC.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Tengfei Fan <quic_tengfan@quicinc.com>
Link: https://lore.kernel.org/r/20240911-add_qcs9100_support-v2-2-e43a71ceb017@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-10-29 15:09:02 -05:00
Nikunj Kela
558e8b82a5 soc: qcom: socinfo: add support for SA8255P 
Add SocInfo support for SA8255P.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Nikunj Kela <quic_nkela@quicinc.com>
Link: https://lore.kernel.org/r/20240910171534.2412263-3-quic_nkela@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-10-29 15:05:21 -05:00
Zhang Zekun
cd8ec43758 soc: qcom: smp2p: Simplify code with dev_err_probe() 
Use dev_err_probe() directly in the driver probe phase, and we
don't need to judge if the error code is not equal to -EPROBE_DEFER.
This can simplify the code a bit.

Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Link: https://lore.kernel.org/r/20240909122921.12627-5-zhangzekun11@huawei.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-10-29 15:04:31 -05:00
Zhang Zekun
876b405004 soc: qcom: smem: Simplify code with dev_err_probe() 
Use dev_err_probe() directly in the driver probe phase, and we
don't need to judge if the error code is not equal to -EPROBE_DEFER.
This can simplify the code a bit.

Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Link: https://lore.kernel.org/r/20240909122921.12627-4-zhangzekun11@huawei.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-10-29 15:04:31 -05:00
Zhang Zekun
454381b523 soc: qcom: rpmh-rsc: Simplify code with dev_err_probe() 
Use dev_err_probe() directly in the driver probe phase, and we
don't need to judge if the error code is not equal to -EPROBE_DEFER.
This can simplify the code a bit.

Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Link: https://lore.kernel.org/r/20240909122921.12627-2-zhangzekun11@huawei.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-10-29 15:04:31 -05:00
Markuss Broks
fd0b358166 soc: samsung: exynos-chipid: Add support for Exynos9810 SoC 
Exynos 9810 has the product ID of "0xE9810000". Add this ID to
the IDs together with the name of the SoC.

Co-developed-by: Maksym Holovach <nergzd@nergzd723.xyz>
Signed-off-by: Maksym Holovach <nergzd@nergzd723.xyz>
Signed-off-by: Markuss Broks <markuss.broks@gmail.com>
Link: https://lore.kernel.org/r/20241026-exynos9810-v3-7-b89de9441ea8@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
 2024-10-27 20:53:54 +01:00
Alessandro Zanni
74280c3d73 soc: ti: knav_qmss_queue: Drop redundant continue statement 
Remove the statement "continue" at the end of the loop
where it becomes useless.

Problem found with Coccinelle static analysis tool,
using continue.cocci script
(coccinelle.gitlabpages.inria.fr/website/rules/continue.cocci)

Signed-off-by: Alessandro Zanni <alessandro.zanni87@gmail.com>
Link: https://lore.kernel.org/r/20240924214612.38854-1-alessandro.zanni87@gmail.com
Signed-off-by: Nishanth Menon <nm@ti.com>
 2024-10-25 08:59:19 -05:00
Jinjie Ruan
10b8a0cc84 soc: ti: knav_qmss_queue: Use IRQF_NO_AUTOEN flag in request_irq() 
As commit cbe16f35bee6 ("genirq: Add IRQF_NO_AUTOEN for request_irq/nmi()")
said, reqeust_irq() and then disable_irq() is unsafe. In the small time gap
between request_irq() and disable_irq(), interrupts can still come.

IRQF_NO_AUTOEN flag can be used by drivers to request_irq(). It prevents
the automatic enabling of the requested interrupt in the same
safe way. With that the usage can be simplified and corrected.

Compile-tested only.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20240914082532.344456-1-ruanjinjie@huawei.com
Signed-off-by: Nishanth Menon <nm@ti.com>
 2024-10-25 08:58:18 -05:00
Bjorn Andersson
f8c8791924 soc: qcom: pmic_glink: Handle GLINK intent allocation rejections 
Some versions of the pmic_glink firmware does not allow dynamic GLINK
intent allocations, attempting to send a message before the firmware has
allocated its receive buffers and announced these intent allocations
will fail. When this happens something like this showns up in the log:

    pmic_glink_altmode.pmic_glink_altmode pmic_glink.altmode.0: failed to send altmode request: 0x10 (-125)
    pmic_glink_altmode.pmic_glink_altmode pmic_glink.altmode.0: failed to request altmode notifications: -125
    ucsi_glink.pmic_glink_ucsi pmic_glink.ucsi.0: failed to send UCSI read request: -125
    qcom_battmgr.pmic_glink_power_supply pmic_glink.power-supply.0: failed to request power notifications

GLINK has been updated to distinguish between the cases where the remote
is going down (-ECANCELED) and the intent allocation being rejected
(-EAGAIN).

Retry the send until intent buffers becomes available, or an actual
error occur.

To avoid infinitely waiting for the firmware in the event that this
misbehaves and no intents arrive, an arbitrary 5 second timeout is
used.

This patch was developed with input from Chris Lew.

Reported-by: Johan Hovold <johan@kernel.org>
Closes: https://lore.kernel.org/all/Zqet8iInnDhnxkT9@hovoldconsulting.com/#t
Cc: stable@vger.kernel.org # rpmsg: glink: Handle rejected intent request better
Fixes: 58ef4ece1e41 ("soc: qcom: pmic_glink: Introduce base PMIC GLINK driver")
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@oss.qualcomm.com>
Reviewed-by: Chris Lew <quic_clew@quicinc.com>
Link: https://lore.kernel.org/r/20241023-pmic-glink-ecancelled-v2-2-ebc268129407@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-10-24 13:03:37 -05:00
Manikanta Mylavarapu
128fdbf36c soc: qcom: socinfo: fix revision check in qcom_socinfo_probe() 
In success case, the revision holds a non-null pointer. The current
logic incorrectly returns an error for a non-null pointer, whereas
it should return an error for a null pointer.

The socinfo driver for IPQ9574 and IPQ5332 is currently broken,
resulting in the following error message
qcom-socinfo qcom-socinfo: probe with driver qcom-socinfo failed with
error -12

Add a null check for the revision to ensure it returns an error only in
failure case (null pointer).

Fixes: e694d2b5c58b ("soc: qcom: Add check devm_kasprintf() returned value")
Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241016144852.2888679-1-quic_mmanikan@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-10-24 09:46:20 -05:00
Dmitry Baryshkov
3fa0104ed2 soc: qcom: socinfo: add SoC IDs for SAR1130P and SAR2130P 
Add SoC IDs for Qualcomm SAR1130P and SAR2130P platforms.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241018-sar2130p-socinfo-v1-2-b1e97ea963fe@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-10-22 23:10:19 -05:00
Lijuan Gao
8921bf54bf soc: qcom: socinfo: Add QCS615 SoC ID table entry 
Add SoC Info support for the QCS615 platform.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Lijuan Gao <quic_lijuang@quicinc.com>
Link: https://lore.kernel.org/r/20241022-add_initial_support_for_qcs615-v4-4-0a551c6dd342@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-10-22 21:43:21 -05:00
Konrad Dybcio
11cf9a72bc soc: qcom: smem: Fix up kerneldoc 
Fix warnings like:

smem.c:504: warning: No description found for return value of 'qcom_smem_alloc'

Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20241021-topic-smem_kerneldoc-v1-1-4825904a7e25@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
 2024-10-22 15:35:46 -05:00
Markus Elfring
a1643ae9b3
soc: mediatek: mtk-svs: Call of_node_put(np) only once in svs_get_subsys_device() 
An of_node_put(np) call was immediately used after a pointer check
for a of_find_device_by_node() call in this function implementation.
Thus call such a function only once instead directly before the check.

This issue was transformed by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/884f0a5d-e6d3-47dc-8a9e-201bb86b271f@web.de
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
 2024-10-21 16:00:52 +02:00
Pablo Sun
d0fa55cc98
soc: mediatek: mediatek-regulator-coupler: Support mt8188 
The Mali GPU in mt8188 also requires coupled power supplies,
that is, the "vsram" voltage should follow the "vgpu" voltage.
Therefore add the compatible to enable this coupling behavior.

Signed-off-by: Pablo Sun <pablo.sun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20241002022138.29241-6-pablo.sun@mediatek.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
 2024-10-21 16:00:51 +02:00
AngeloGioacchino Del Regno
34771841a6
soc: mediatek: mtk-cmdq: Move cmdq_instruction init to declaration 
Move, where possible, the initialization of struct cmdq_instruction
variables to their declaration to compress the code.

While at it, also change an instance of open-coded mask to use the
GENMASK() macro instead, and instances of `ret = func(); return ret;`
to the equivalent (but shorter) `return func()`.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
 2024-10-21 16:00:51 +02:00
AngeloGioacchino Del Regno
4b3347215f
soc: mediatek: mtk-cmdq: Move mask build and append to function 
Move the CMDQ_CODE_MASK packet build and append logic to a new
cmdq_pkt_mask() function; this reduces code duplication by 4x.

Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
 2024-10-21 16:00:51 +02:00
AngeloGioacchino Del Regno
192514ae05
soc: mediatek: Add MediaTek DVFS Resource Collector (DVFSRC) driver 
The Dynamic Voltage and Frequency Scaling Resource Collector (DVFSRC) is a
Hardware module used to collect all the requests from both software and the
various remote processors embedded into the SoC and decide about a minimum
operating voltage and a minimum DRAM frequency to fulfill those requests in
an effort to provide the best achievable performance per watt.

This hardware IP is capable of transparently performing direct register R/W
on all of the DVFSRC-controlled regulators and SoC bandwidth knobs.

This driver includes support for MT8183, MT8192 and MT8195.

Co-Developed-by: Dawei Chien <dawei.chien@mediatek.com>
[Angelo: Partial refactoring and cleanups]
Reviewed-by: Georgi Djakov <djakov@kerenl.org>
Link: https://lore.kernel.org/r/20240610085735.147134-5-angelogioacchino.delregno@collabora.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
 2024-10-21 16:00:51 +02:00
Marek Vasut
22b03a4e95 soc: imx8m: Use devm_* to simplify probe failure handling 
Use device managed functions to simplify handling of failures during
probe. Remove fail paths which are no longer necessary.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2024-10-18 11:13:53 +08:00
Marek Vasut
9c1c02fe8d soc: imx8m: Remove global soc_uid 
The static global soc_uid is only ever used as kasprintf() parameter in
imx8m_soc_probe(). Pass pointer to local u64 variable to .soc_revision()
callback instead and let the .soc_revision() callback fill in the content.
Remove the unnecessary static global variable.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2024-10-18 11:13:53 +08:00
Marek Vasut
9cc832d377 soc: imx8m: Probe the SoC driver as platform driver 
With driver_async_probe=* on kernel command line, the following trace is
produced because on i.MX8M Plus hardware because the soc-imx8m.c driver
calls of_clk_get_by_name() which returns -EPROBE_DEFER because the clock
driver is not yet probed. This was not detected during regular testing
without driver_async_probe.

Convert the SoC code to platform driver and instantiate a platform device
in its current device_initcall() to probe the platform driver. Rework
.soc_revision callback to always return valid error code and return SoC
revision via parameter. This way, if anything in the .soc_revision callback
return -EPROBE_DEFER, it gets propagated to .probe and the .probe will get
retried later.

"
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1 at drivers/soc/imx/soc-imx8m.c:115 imx8mm_soc_revision+0xdc/0x180
CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.11.0-next-20240924-00002-g2062bb554dea #603
Hardware name: DH electronics i.MX8M Plus DHCOM Premium Developer Kit (3) (DT)
pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : imx8mm_soc_revision+0xdc/0x180
lr : imx8mm_soc_revision+0xd0/0x180
sp : ffff8000821fbcc0
x29: ffff8000821fbce0 x28: 0000000000000000 x27: ffff800081810120
x26: ffff8000818a9970 x25: 0000000000000006 x24: 0000000000824311
x23: ffff8000817f42c8 x22: ffff0000df8be210 x21: fffffffffffffdfb
x20: ffff800082780000 x19: 0000000000000001 x18: ffffffffffffffff
x17: ffff800081fff418 x16: ffff8000823e1000 x15: ffff0000c03b65e8
x14: ffff0000c00051b0 x13: ffff800082790000 x12: 0000000000000801
x11: ffff80008278ffff x10: ffff80008209d3a6 x9 : ffff80008062e95c
x8 : ffff8000821fb9a0 x7 : 0000000000000000 x6 : 00000000000080e3
x5 : ffff0000df8c03d8 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 x1 : fffffffffffffdfb x0 : fffffffffffffdfb
Call trace:
 imx8mm_soc_revision+0xdc/0x180
 imx8_soc_init+0xb0/0x1e0
 do_one_initcall+0x94/0x1a8
 kernel_init_freeable+0x240/0x2a8
 kernel_init+0x28/0x140
 ret_from_fork+0x10/0x20
---[ end trace 0000000000000000 ]---
SoC: i.MX8MP revision 1.1
"

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2024-10-18 11:13:53 +08:00
Igor Belwon
9b2a9f5cfa soc: samsung: exynos-chipid: Add support for Exynos 990 chipid 
Add support for reading the chipid of Exynos 990 SoCs. Its product ID is
0xE9830000.

Signed-off-by: Igor Belwon <igor.belwon@mentallysanemainliners.org>
Link: https://lore.kernel.org/r/20241016154747.64343-5-igor.belwon@mentallysanemainliners.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
 2024-10-17 10:01:00 +02:00