Commit Graph

2197 Commits

Author SHA1 Message Date
Linus Torvalds
aa512c115a More thermal control updates for 6.1-rc1
- Use platform data to get the sensor ID instead of parsing the device
    in imx_sc thermal driver and remove the dedicated OF function from
    the core code (Daniel Lezcano).
 
  - Fix Kconfig dependency for the QCom tsens thermal driver (Jonathan
    Cameron).
 
  - Add missing const annotation to the RCar ops thermal driver (Lad
    Prabhakar).
 
  - Drop duplicate parameter check from
    thermal_zone_device_register_with_trips() (Lad Prabhakar).
 
  - Fix NULL pointer dereference in trip_point_temp_store() by making it
    check if the ->set_trip_temp() operation is present (Lad Prabhakar).
 
  - Fix the MSM8939 fourth sensor hardware ID in the QCom tsens thermal
    driver (Vincent Knecht).
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Merge tag 'thermal-6.1-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more thermal control updates from Rafael Wysocki:
 "These fix assorted issues in the thermal core and ARM thermal drivers.

  Specifics:

   - Use platform data to get the sensor ID instead of parsing the
     device in imx_sc thermal driver and remove the dedicated OF
     function from the core code (Daniel Lezcano).

   - Fix Kconfig dependency for the QCom tsens thermal driver (Jonathan
     Cameron).

   - Add missing const annotation to the RCar ops thermal driver (Lad
     Prabhakar).

   - Drop duplicate parameter check from
     thermal_zone_device_register_with_trips() (Lad Prabhakar).

   - Fix NULL pointer dereference in trip_point_temp_store() by making
     it check if the ->set_trip_temp() operation is present (Lad
     Prabhakar).

   - Fix the MSM8939 fourth sensor hardware ID in the QCom tsens thermal
     driver (Vincent Knecht)"

* tag 'thermal-6.1-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal/drivers/qcom/tsens-v0_1: Fix MSM8939 fourth sensor hw_id
  thermal/core: Add a check before calling set_trip_temp()
  thermal/core: Drop valid pointer check for type
  thermal/drivers/rcar_thermal: Constify static thermal_zone_device_ops
  thermal/drivers/qcom: Drop false build dependency of all QCOM drivers on QCOM_TSENS
  thermal/of: Remove the thermal_zone_of_get_sensor_id() function
  thermal/drivers/imx_sc: Rely on the platform data to get the resource id
2022-10-10 13:52:14 -07:00
Linus Torvalds
a09476668e Char/Misc and other driver changes for 6.1-rc1
Here is the large set of char/misc and other small driver subsystem
 changes for 6.1-rc1.  Loads of different things in here:
   - IIO driver updates, additions, and changes.  Probably the largest
     part of the diffstat
   - habanalabs driver update with support for new hardware and features,
     the second largest part of the diff.
   - fpga subsystem driver updates and additions
   - mhi subsystem updates
   - Coresight driver updates
   - gnss subsystem updates
   - extcon driver updates
   - icc subsystem updates
   - fsi subsystem updates
   - nvmem subsystem and driver updates
   - misc driver updates
   - speakup driver additions for new features
   - lots of tiny driver updates and cleanups
 
 All of these have been in the linux-next tree for a while with no
 reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver updates from Greg KH:
 "Here is the large set of char/misc and other small driver subsystem
  changes for 6.1-rc1. Loads of different things in here:

   - IIO driver updates, additions, and changes. Probably the largest
     part of the diffstat

   - habanalabs driver update with support for new hardware and
     features, the second largest part of the diff.

   - fpga subsystem driver updates and additions

   - mhi subsystem updates

   - Coresight driver updates

   - gnss subsystem updates

   - extcon driver updates

   - icc subsystem updates

   - fsi subsystem updates

   - nvmem subsystem and driver updates

   - misc driver updates

   - speakup driver additions for new features

   - lots of tiny driver updates and cleanups

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

* tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (411 commits)
  w1: Split memcpy() of struct cn_msg flexible array
  spmi: pmic-arb: increase SPMI transaction timeout delay
  spmi: pmic-arb: block access for invalid PMIC arbiter v5 SPMI writes
  spmi: pmic-arb: correct duplicate APID to PPID mapping logic
  spmi: pmic-arb: add support to dispatch interrupt based on IRQ status
  spmi: pmic-arb: check apid against limits before calling irq handler
  spmi: pmic-arb: do not ack and clear peripheral interrupts in cleanup_irq
  spmi: pmic-arb: handle spurious interrupt
  spmi: pmic-arb: add a print in cleanup_irq
  drivers: spmi: Directly use ida_alloc()/free()
  MAINTAINERS: add TI ECAP driver info
  counter: ti-ecap-capture: capture driver support for ECAP
  Documentation: ABI: sysfs-bus-counter: add frequency & num_overflows items
  dt-bindings: counter: add ti,am62-ecap-capture.yaml
  counter: Introduce the COUNTER_COMP_ARRAY component type
  counter: Consolidate Counter extension sysfs attribute creation
  counter: Introduce the Count capture component
  counter: 104-quad-8: Add Signal polarity component
  counter: Introduce the Signal polarity component
  counter: interrupt-cnt: Implement watch_validate callback
  ...
2022-10-08 08:56:37 -07:00
Linus Torvalds
0326074ff4 Networking changes for 6.1.
Core
 ----
 
  - Introduce and use a single page frag cache for allocating small skb
    heads, clawing back the 10-20% performance regression in UDP flood
    test from previous fixes.
 
  - Run packets which already went thru HW coalescing thru SW GRO.
    This significantly improves TCP segment coalescing and simplifies
    deployments as different workloads benefit from HW or SW GRO.
 
  - Shrink the size of the base zero-copy send structure.
 
  - Move TCP init under a new slow / sleepable version of DO_ONCE().
 
 BPF
 ---
 
  - Add BPF-specific, any-context-safe memory allocator.
 
  - Add helpers/kfuncs for PKCS#7 signature verification from BPF
    programs.
 
  - Define a new map type and related helpers for user space -> kernel
    communication over a ring buffer (BPF_MAP_TYPE_USER_RINGBUF).
 
  - Allow targeting BPF iterators to loop through resources of one
    task/thread.
 
  - Add ability to call selected destructive functions.
    Expose crash_kexec() to allow BPF to trigger a kernel dump.
    Use CAP_SYS_BOOT check on the loading process to judge permissions.
 
  - Enable BPF to collect custom hierarchical cgroup stats efficiently
    by integrating with the rstat framework.
 
  - Support struct arguments for trampoline based programs.
    Only structs with size <= 16B and x86 are supported.
 
  - Invoke cgroup/connect{4,6} programs for unprivileged ICMP ping
    sockets (instead of just TCP and UDP sockets).
 
  - Add a helper for accessing CLOCK_TAI for time sensitive network
    related programs.
 
  - Support accessing network tunnel metadata's flags.
 
  - Make TCP SYN ACK RTO tunable by BPF programs with TCP Fast Open.
 
  - Add support for writing to Netfilter's nf_conn:mark.
 
 Protocols
 ---------
 
  - WiFi: more Extremely High Throughput (EHT) and Multi-Link
    Operation (MLO) work (802.11be, WiFi 7).
 
  - vsock: improve support for SO_RCVLOWAT.
 
  - SMC: support SO_REUSEPORT.
 
  - Netlink: define and document how to use netlink in a "modern" way.
    Support reporting missing attributes via extended ACK.
 
  - IPSec: support collect metadata mode for xfrm interfaces.
 
  - TCPv6: send consistent autoflowlabel in SYN_RECV state
    and RST packets.
 
  - TCP: introduce optional per-netns connection hash table to allow
    better isolation between namespaces (opt-in, at the cost of memory
    and cache pressure).
 
  - MPTCP: support TCP_FASTOPEN_CONNECT.
 
  - Add NEXT-C-SID support in Segment Routing (SRv6) End behavior.
 
  - Adjust IP_UNICAST_IF sockopt behavior for connected UDP sockets.
 
  - Open vSwitch:
    - Allow specifying ifindex of new interfaces.
    - Allow conntrack and metering in non-initial user namespace.
 
  - TLS: support the Korean ARIA-GCM crypto algorithm.
 
  - Remove DECnet support.
 
 Driver API
 ----------
 
  - Allow selecting the conduit interface used by each port
    in DSA switches, at runtime.
 
  - Ethernet Power Sourcing Equipment and Power Device support.
 
  - Add tc-taprio support for queueMaxSDU parameter, i.e. setting
    per traffic class max frame size for time-based packet schedules.
 
  - Support PHY rate matching - adapting between differing host-side
    and link-side speeds.
 
  - Introduce QUSGMII PHY mode and 1000BASE-KX interface mode.
 
  - Validate OF (device tree) nodes for DSA shared ports; make
    phylink-related properties mandatory on DSA and CPU ports.
    Enforcing more uniformity should allow transitioning to phylink.
 
  - Require that flash component name used during update matches one
    of the components for which version is reported by info_get().
 
  - Remove "weight" argument from driver-facing NAPI API as much
    as possible. It's one of those magic knobs which seemed like
    a good idea at the time but is too indirect to use in practice.
 
  - Support offload of TLS connections with 256 bit keys.
 
 New hardware / drivers
 ----------------------
 
  - Ethernet:
    - Microchip KSZ9896 6-port Gigabit Ethernet Switch
    - Renesas Ethernet AVB (EtherAVB-IF) Gen4 SoCs
    - Analog Devices ADIN1110 and ADIN2111 industrial single pair
      Ethernet (10BASE-T1L) MAC+PHY.
    - Rockchip RV1126 Gigabit Ethernet (a version of stmmac IP).
 
  - Ethernet SFPs / modules:
    - RollBall / Hilink / Turris 10G copper SFPs
    - HALNy GPON module
 
  - WiFi:
    - CYW43439 SDIO chipset (brcmfmac)
    - CYW89459 PCIe chipset (brcmfmac)
    - BCM4378 on Apple platforms (brcmfmac)
 
 Drivers
 -------
 
  - CAN:
    - gs_usb: HW timestamp support
 
  - Ethernet PHYs:
    - lan8814: cable diagnostics
 
  - Ethernet NICs:
    - Intel (100G):
      - implement control of FCS/CRC stripping
      - port splitting via devlink
      - L2TPv3 filtering offload
    - nVidia/Mellanox:
      - tunnel offload for sub-functions
      - MACSec offload, w/ Extended packet number and replay
        window offload
      - significantly restructure, and optimize the AF_XDP support,
        align the behavior with other vendors
    - Huawei:
      - configuring DSCP map for traffic class selection
      - querying standard FEC statistics
      - querying SerDes lane number via ethtool
    - Marvell/Cavium:
      - egress priority flow control
      - MACSec offload
    - AMD/SolarFlare:
      - PTP over IPv6 and raw Ethernet
    - small / embedded:
      - ax88772: convert to phylink (to support SFP cages)
      - altera: tse: convert to phylink
      - ftgmac100: support fixed link
      - enetc: standard Ethtool counters
      - macb: ZynqMP SGMII dynamic configuration support
      - tsnep: support multi-queue and use page pool
      - lan743x: Rx IP & TCP checksum offload
      - igc: add xdp frags support to ndo_xdp_xmit
 
  - Ethernet high-speed switches:
    - Marvell (prestera):
      - support SPAN port features (traffic mirroring)
      - nexthop object offloading
    - Microchip (sparx5):
      - multicast forwarding offload
      - QoS queuing offload (tc-mqprio, tc-tbf, tc-ets)
 
  - Ethernet embedded switches:
    - Marvell (mv88e6xxx):
      - support RGMII cmode
    - NXP (felix):
      - standardized ethtool counters
    - Microchip (lan966x):
      - QoS queuing offload (tc-mqprio, tc-tbf, tc-cbs, tc-ets)
      - traffic policing and mirroring
      - link aggregation / bonding offload
      - QUSGMII PHY mode support
 
  - Qualcomm 802.11ax WiFi (ath11k):
    - cold boot calibration support on WCN6750
    - support to connect to a non-transmit MBSSID AP profile
    - enable remain-on-channel support on WCN6750
    - Wake-on-WLAN support for WCN6750
    - support to provide transmit power from firmware via nl80211
    - support to get power save duration for each client
    - spectral scan support for 160 MHz
 
  - MediaTek WiFi (mt76):
    - WiFi-to-Ethernet bridging offload for MT7986 chips
 
  - RealTek WiFi (rtw89):
    - P2P support
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core:

   - Introduce and use a single page frag cache for allocating small skb
     heads, clawing back the 10-20% performance regression in UDP flood
     test from previous fixes.

   - Run packets which already went thru HW coalescing thru SW GRO. This
     significantly improves TCP segment coalescing and simplifies
     deployments as different workloads benefit from HW or SW GRO.

   - Shrink the size of the base zero-copy send structure.

   - Move TCP init under a new slow / sleepable version of DO_ONCE().

  BPF:

   - Add BPF-specific, any-context-safe memory allocator.

   - Add helpers/kfuncs for PKCS#7 signature verification from BPF
     programs.

   - Define a new map type and related helpers for user space -> kernel
     communication over a ring buffer (BPF_MAP_TYPE_USER_RINGBUF).

   - Allow targeting BPF iterators to loop through resources of one
     task/thread.

   - Add ability to call selected destructive functions. Expose
     crash_kexec() to allow BPF to trigger a kernel dump. Use
     CAP_SYS_BOOT check on the loading process to judge permissions.

   - Enable BPF to collect custom hierarchical cgroup stats efficiently
     by integrating with the rstat framework.

   - Support struct arguments for trampoline based programs. Only
     structs with size <= 16B and x86 are supported.

   - Invoke cgroup/connect{4,6} programs for unprivileged ICMP ping
     sockets (instead of just TCP and UDP sockets).

   - Add a helper for accessing CLOCK_TAI for time sensitive network
     related programs.

   - Support accessing network tunnel metadata's flags.

   - Make TCP SYN ACK RTO tunable by BPF programs with TCP Fast Open.

   - Add support for writing to Netfilter's nf_conn:mark.

  Protocols:

   - WiFi: more Extremely High Throughput (EHT) and Multi-Link Operation
     (MLO) work (802.11be, WiFi 7).

   - vsock: improve support for SO_RCVLOWAT.

   - SMC: support SO_REUSEPORT.

   - Netlink: define and document how to use netlink in a "modern" way.
     Support reporting missing attributes via extended ACK.

   - IPSec: support collect metadata mode for xfrm interfaces.

   - TCPv6: send consistent autoflowlabel in SYN_RECV state and RST
     packets.

   - TCP: introduce optional per-netns connection hash table to allow
     better isolation between namespaces (opt-in, at the cost of memory
     and cache pressure).

   - MPTCP: support TCP_FASTOPEN_CONNECT.

   - Add NEXT-C-SID support in Segment Routing (SRv6) End behavior.

   - Adjust IP_UNICAST_IF sockopt behavior for connected UDP sockets.

   - Open vSwitch:
      - Allow specifying ifindex of new interfaces.
      - Allow conntrack and metering in non-initial user namespace.

   - TLS: support the Korean ARIA-GCM crypto algorithm.

   - Remove DECnet support.

  Driver API:

   - Allow selecting the conduit interface used by each port in DSA
     switches, at runtime.

   - Ethernet Power Sourcing Equipment and Power Device support.

   - Add tc-taprio support for queueMaxSDU parameter, i.e. setting per
     traffic class max frame size for time-based packet schedules.

   - Support PHY rate matching - adapting between differing host-side
     and link-side speeds.

   - Introduce QUSGMII PHY mode and 1000BASE-KX interface mode.

   - Validate OF (device tree) nodes for DSA shared ports; make
     phylink-related properties mandatory on DSA and CPU ports.
     Enforcing more uniformity should allow transitioning to phylink.

   - Require that flash component name used during update matches one of
     the components for which version is reported by info_get().

   - Remove "weight" argument from driver-facing NAPI API as much as
     possible. It's one of those magic knobs which seemed like a good
     idea at the time but is too indirect to use in practice.

   - Support offload of TLS connections with 256 bit keys.

  New hardware / drivers:

   - Ethernet:
      - Microchip KSZ9896 6-port Gigabit Ethernet Switch
      - Renesas Ethernet AVB (EtherAVB-IF) Gen4 SoCs
      - Analog Devices ADIN1110 and ADIN2111 industrial single pair
        Ethernet (10BASE-T1L) MAC+PHY.
      - Rockchip RV1126 Gigabit Ethernet (a version of stmmac IP).

   - Ethernet SFPs / modules:
      - RollBall / Hilink / Turris 10G copper SFPs
      - HALNy GPON module

   - WiFi:
      - CYW43439 SDIO chipset (brcmfmac)
      - CYW89459 PCIe chipset (brcmfmac)
      - BCM4378 on Apple platforms (brcmfmac)

  Drivers:

   - CAN:
      - gs_usb: HW timestamp support

   - Ethernet PHYs:
      - lan8814: cable diagnostics

   - Ethernet NICs:
      - Intel (100G):
         - implement control of FCS/CRC stripping
         - port splitting via devlink
         - L2TPv3 filtering offload
      - nVidia/Mellanox:
         - tunnel offload for sub-functions
         - MACSec offload, w/ Extended packet number and replay window
           offload
         - significantly restructure, and optimize the AF_XDP support,
           align the behavior with other vendors
      - Huawei:
         - configuring DSCP map for traffic class selection
         - querying standard FEC statistics
         - querying SerDes lane number via ethtool
      - Marvell/Cavium:
         - egress priority flow control
         - MACSec offload
      - AMD/SolarFlare:
         - PTP over IPv6 and raw Ethernet
      - small / embedded:
         - ax88772: convert to phylink (to support SFP cages)
         - altera: tse: convert to phylink
         - ftgmac100: support fixed link
         - enetc: standard Ethtool counters
         - macb: ZynqMP SGMII dynamic configuration support
         - tsnep: support multi-queue and use page pool
         - lan743x: Rx IP & TCP checksum offload
         - igc: add xdp frags support to ndo_xdp_xmit

   - Ethernet high-speed switches:
      - Marvell (prestera):
         - support SPAN port features (traffic mirroring)
         - nexthop object offloading
      - Microchip (sparx5):
         - multicast forwarding offload
         - QoS queuing offload (tc-mqprio, tc-tbf, tc-ets)

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - support RGMII cmode
      - NXP (felix):
         - standardized ethtool counters
      - Microchip (lan966x):
         - QoS queuing offload (tc-mqprio, tc-tbf, tc-cbs, tc-ets)
         - traffic policing and mirroring
         - link aggregation / bonding offload
         - QUSGMII PHY mode support

   - Qualcomm 802.11ax WiFi (ath11k):
      - cold boot calibration support on WCN6750
      - support to connect to a non-transmit MBSSID AP profile
      - enable remain-on-channel support on WCN6750
      - Wake-on-WLAN support for WCN6750
      - support to provide transmit power from firmware via nl80211
      - support to get power save duration for each client
      - spectral scan support for 160 MHz

   - MediaTek WiFi (mt76):
      - WiFi-to-Ethernet bridging offload for MT7986 chips

   - RealTek WiFi (rtw89):
      - P2P support"

* tag 'net-next-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1864 commits)
  eth: pse: add missing static inlines
  once: rename _SLOW to _SLEEPABLE
  net: pse-pd: add regulator based PSE driver
  dt-bindings: net: pse-dt: add bindings for regulator based PoDL PSE controller
  ethtool: add interface to interact with Ethernet Power Equipment
  net: mdiobus: search for PSE nodes by parsing PHY nodes.
  net: mdiobus: fwnode_mdiobus_register_phy() rework error handling
  net: add framework to support Ethernet PSE and PDs devices
  dt-bindings: net: phy: add PoDL PSE property
  net: marvell: prestera: Propagate nh state from hw to kernel
  net: marvell: prestera: Add neighbour cache accounting
  net: marvell: prestera: add stub handler neighbour events
  net: marvell: prestera: Add heplers to interact with fib_notifier_info
  net: marvell: prestera: Add length macros for prestera_ip_addr
  net: marvell: prestera: add delayed wq and flush wq on deinit
  net: marvell: prestera: Add strict cleanup of fib arbiter
  net: marvell: prestera: Add cleanup of allocated fib_nodes
  net: marvell: prestera: Add router nexthops ABI
  eth: octeon: fix build after netif_napi_add() changes
  net/mlx5: E-Switch, Return EBUSY if can't get mode lock
  ...
2022-10-04 13:38:03 -07:00
Vincent Knecht
b0c883e900 thermal/drivers/qcom/tsens-v0_1: Fix MSM8939 fourth sensor hw_id
Reading temperature from this sensor fails with 'Invalid argument'.

Looking at old vendor dts [1], its hw_id should be 3 instead of 4.
Change this hw_id accordingly.

[1] https://github.com/msm8916-mainline/android_kernel_qcom_msm8916/blob/master/arch/arm/boot/dts/qcom/msm8939-common.dtsi#L511

Fixes: 332bc8ebab ("thermal: qcom: tsens-v0_1: Add support for MSM8939")
Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20220811105014.7194-1-vincent.knecht@mailoo.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-10-04 11:21:43 +02:00
Lad Prabhakar
597f500fde thermal/core: Add a check before calling set_trip_temp()
The thermal driver [0] for Renesas RZ/G2L SoC does not implement
set_trip_temp() callback but has trips commit 9326167058
("thermal/core: Move set_trip_temp ops to the sysfs code") changed
the behaviour which causes the below panic when trying to set the
trip temperature:

root@smarc-rzg2l:~# echo 51000 > /sys/class/thermal/thermal_zone0/trip_point_0_temp
[   92.461521] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
[   92.470958] Mem abort info:
[   92.474311]   ESR = 0x0000000086000004
[   92.478546]   EC = 0x21: IABT (current EL), IL = 32 bits
[   92.484290]   SET = 0, FnV = 0
[   92.487693]   EA = 0, S1PTW = 0
[   92.491153]   FSC = 0x04: level 0 translation fault
[   92.496461] user pgtable: 4k pages, 48-bit VAs, pgdp=000000004e885000
[   92.503736] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000
[   92.510869] Internal error: Oops: 86000004 [#3] PREEMPT SMP
[   92.516556] CPU: 0 PID: 290 Comm: sh Tainted: G      D            6.0.0-rc4-next-20220906-arm64-renesas-00124-g84633c87c5f6-dirty #509
[   92.528814] Hardware name: Renesas SMARC EVK based on r9a07g044l2 (DT)
[   92.535441] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   92.542516] pc : 0x0
[   92.544764] lr : trip_point_temp_store+0x84/0x140
[   92.549582] sp : ffff80000a92bc10
[   92.552961] x29: ffff80000a92bc10 x28: ffff00000d8a45c0 x27: 0000000000000000
[   92.560249] x26: 0000000000000000 x25: ffff8000082b53e8 x24: ffff00000eaffc20
[   92.567532] x23: ffff80000a92bd68 x22: ffff00000d3e0f80 x21: 0000000000000006
[   92.574814] x20: ffff800009149000 x19: ffff00000b8ab000 x18: 0000000000000000
[   92.582097] x17: 0000000000000000 x16: 0000000000000000 x15: 0000aaab028cdee0
[   92.589378] x14: 0000000000000000 x13: 0000000000000000 x12: ffff80000a92bbd0
[   92.596659] x11: ffff00000d3e0f80 x10: ffff800009149eb8 x9 : 000000000000000a
[   92.603940] x8 : 00000000ffffffc9 x7 : 0000000000000005 x6 : 000000000000002a
[   92.611220] x5 : 000000000000c738 x4 : 00000000ffffffd3 x3 : 0000000000000000
[   92.618500] x2 : 000000000000c738 x1 : 0000000000000000 x0 : ffff00000b8ab000
[   92.625781] Call trace:
[   92.628282]  0x0
[   92.630176]  dev_attr_store+0x14/0x28
[   92.633935]  sysfs_kf_write+0x4c/0x70
[   92.637681]  kernfs_fop_write_iter+0x160/0x1e0
[   92.642213]  vfs_write+0x474/0x540
[   92.645703]  ksys_write+0x68/0xf8
[   92.649100]  __arm64_sys_write+0x18/0x20
[   92.653111]  invoke_syscall+0x40/0xf8
[   92.656866]  el0_svc_common.constprop.3+0x88/0x110
[   92.661758]  do_el0_svc+0x20/0x78
[   92.665158]  el0_svc+0x3c/0x90
[   92.668291]  el0t_64_sync_handler+0x90/0xb8
[   92.672563]  el0t_64_sync+0x148/0x14c
[   92.676322] Code: bad PC value
[   92.679453] ---[ end trace 0000000000000000 ]---
/bin/start_getty: line 40:   290 Segmentation fault      ${setsid:-} ${getty} -L $1 $2 $3

Poky (Yocto Project Reference Distro) 3.2.1 smarc-rzg2l ttySC0

smarc-rzg2l login:

This patch fixes the above issue by adding a check to see if
set_trip_temp() callback is implemented before calling it.

[0] drivers/thermal/rzg2l_thermal.c

Fixes: 9326167058 ("thermal/core: Move set_trip_temp ops to the sysfs code")
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220908174610.7837-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-10-04 11:21:36 +02:00
Lad Prabhakar
c71d8035f1 thermal/core: Drop valid pointer check for type
Drop the valid pointer check for type in
thermal_zone_device_register_with_trips() as we already have it confirmed
for != NULL from the previous if block.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220909181322.10933-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-10-04 11:21:30 +02:00
Lad Prabhakar
c7114365e3 thermal/drivers/rcar_thermal: Constify static thermal_zone_device_ops
The only usage of rcar_thermal_zone_of_ops is to pass its address to
devm_thermal_of_zone_register(), which takes a pointer to const struct
thermal_zone_device_ops. Make it const to allow the compiler to put
it in read-only memory.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20220909182838.11154-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-10-04 11:21:18 +02:00
Jonathan Cameron
34dc523bba thermal/drivers/qcom: Drop false build dependency of all QCOM drivers on QCOM_TSENS
The SPMI QCOM drivers have no dependency in Kconfig, but the Makefile
will not be included without QCOM_TSENS. This unnecessarily reduces
build coverage.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Acked-by: Amit Kucheria <amitk@kernel.org>
Reviewed-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20220821160032.2206349-1-jic23@kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-10-04 11:21:11 +02:00
Daniel Lezcano
5d10f480f7 thermal/of: Remove the thermal_zone_of_get_sensor_id() function
The function thermal_zone_of_get_sensor_id() is no longer used
anywhere, remove it.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20220818082316.2717095-2-daniel.lezcano@linaro.org
2022-10-04 11:21:06 +02:00
Daniel Lezcano
31fd4b9db1 thermal/drivers/imx_sc: Rely on the platform data to get the resource id
Currently the imx_sc driver is reimplementing part of the thermal zone
parsing from the thermal OF tree code to get the sensor id associated
with a thermal zone sensor.

The driver platform specific code should know what sensor is present
and not rely on the thermal zone description to do a discovery. Well
that is arguable but all the other drivers have a per platform data
telling what sensor id to use.

The imx_sc thermal driver is the only one using a different
approach. Not invalid but forcing to keep a specific function
'thermal_zone_of_get_sensor_id()' to get the sensor id for a specific
thermal zone as the self-explanatory function tells and having device
tree code inside the driver.

The thermal OF code had a rework and remains now self-encapsulated
with a register/unregister functions and their 'devm' variants, except
for the function mentioned above.

After investigating, it appears the imx_sc sensor is defined in
arch/arm64/boot/dts/freescale/imx8qxp.dtsi:

which defines the cpu-thermal zone with the id: IMX_SC_R_SYSTEM

This dtsi is included by:
 - imx8qxp-ai_ml.dts
 - imx8qxp-colibri.dtsi
 - imx8qxp-mek.dts

The two first ones do not define more thermal zones
The third one adds the pmic-thermal0 zone with id: IMX_SC_R_PMIC_0

The thermal OF code returns -ENODEV if the thermal zone registration
with a specific id fails because the description is not available in
the DT for such a sensor id. In this case we continue with the other
ids without bailing out with an error.

So we can build for the 'fsl,imx-sc-thermal' a compatible data, an
array of sensor ids containing IMX_SC_R_SYSTEM and IMX_SC_R_PMIC_0.

The latter won't be found but that will not result in an error but a
normal case where we continue the initialization with other ids.

Just to clarify, it is what the thermal framework does and what the
other drivers are expecting: when a registration fails with -ENODEV
this is not an error but a case where the description is not found in
the device tree, that be can the entire thermal zones description or a
specific thermal zone with an unknown id.

There is one small functional change but without impact. When there is
no 'thermal-zones' description the probe function was returning
'-ENODEV', now it returns zero. When a thermal zone fails to register
with an error different from '-ENODEV', the error is detected and
returned.

Change the code accordingly and remove the OF code from the driver.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20220818082316.2717095-1-daniel.lezcano@linaro.org
2022-10-04 11:20:59 +02:00
Rafael J. Wysocki
2e70ea7fb9 Merge branches 'thermal-intel' and 'thermal-drivers'
Merge thermal control driver changes for 6.1-rc1:

 - Use module_pci_driver() macro in the int340x processor_thermal
   driver (Shang XiaoJing).

 - Use get_cpu() instead of smp_processor_id() in the intel_powerclamp
   thermal driver to prevent it from crashing and remove unused
   accounting for IRQ wakes from it (Srinivas Pandruvada).

 - Consolidate priv->data_vault checks in int340x_thermal (Rafael
   Wysocki).

 - Check the policy first in cpufreq_cooling_register() (Xuewen Yan).

 - Drop redundant error message from da9062-thermal (zhaoxiao).

 - Drop of_match_ptr() from thermal_mmio (Jean Delvare).

* thermal-intel:
  thermal: int340x: processor_thermal: Use module_pci_driver() macro
  thermal: intel_powerclamp: Remove accounting for IRQ wakes
  thermal: intel_powerclamp: Use get_cpu() instead of smp_processor_id() to avoid crash
  thermal: int340x_thermal: Consolidate priv->data_vault checks

* thermal-drivers:
  thermal: cpufreq_cooling: Check the policy first in cpufreq_cooling_register()
  thermal: da9062-thermal: Drop redundant error message
  thermal/drivers/thermal_mmio: Drop of_match_ptr()
2022-10-03 20:43:32 +02:00
Rafael J. Wysocki
a7ae50fc34 Merge branch 'thermal-core'
Merge core thermal control changes for 6.1-rc1:

 - Increase maximum number of trip points in the thermal core (Sumeet
   Pawnikar).

 - Replace strlcpy() with unused retval with strscpy() in the core
   thermal control code (Wolfram Sang).

 - Do not lock thermal zone mutex in the user space governor (Rafael
   Wysocki)

 - Rework the device tree initialization, convert the drivers to the
   new API and remove the old OF code (Daniel Lezcano)

 - Fix return value to -ENODEV when searching for a specific thermal
   zone which does not exist (Daniel Lezcano)

 - Fix the return value inspection in of_thermal_zone_find() (Dan
   Carpenter)

 - Fix kernel panic when KASAN is enabled as it detects use after
   free when unregistering a thermal zone (Daniel Lezcano)

 - Move the set_trip ops inside the therma sysfs code (Daniel Lezcano)

 - Remove unnecessary error message as it is already showed in the
   underlying function (Jiapeng Chong)

 - Rework the monitoring path and move the locks upper in the call
   stack to fix some potentials race windows (Daniel Lezcano)

 - Fix lockdep_assert() warning introduced by the lock rework (Daniel
   Lezcano)

 - Revert the Mellanox 'hotter thermal zone' feature because it is
   already handled in the thermal framework core code (Daniel Lezcano)

* thermal-core: (47 commits)
  thermal: core: Increase maximum number of trip points
  thermal: move from strlcpy() with unused retval to strscpy()
  thermal: gov_user_space: Do not lock thermal zone mutex
  Revert "mlxsw: core: Add the hottest thermal zone detection"
  thermal/core: Fix lockdep_assert() warning
  thermal/core: Move the mutex inside the thermal_zone_device_update() function
  thermal/core: Move the thermal zone lock out of the governors
  thermal/governors: Group the thermal zone lock inside the throttle function
  thermal/core: Rework the monitoring a bit
  thermal/core: Rearm the monitoring only one time
  thermal/drivers/qcom/spmi-adc-tm5: Remove unnecessary print function dev_err()
  thermal/of: Remove old OF code
  thermal/core: Move set_trip_temp ops to the sysfs code
  thermal/drivers/samsung: Switch to new of thermal API
  regulator/drivers/max8976: Switch to new of thermal API
  Input: sun4i-ts - switch to new of thermal API
  iio/drivers/sun4i_gpadc: Switch to new of thermal API
  hwmon/drivers/core: Switch to new of thermal API
  hwmon: pm_bus: core: Switch to new of thermal API
  ata/drivers/ahci_imx: Switch to new of thermal API
  ...
2022-10-03 20:38:43 +02:00
Sumeet Pawnikar
82b1ec794d thermal: core: Increase maximum number of trip points
On one of the Chrome system, if we define more than 12 trip points,
probe for thermal sensor fails with
"int3403 thermal: probe of INTC1046:03 failed with error -22"
and throws an error as
"thermal_sys: Error: Incorrect number of thermal trips".

The thermal_zone_device_register() interface needs maximum
number of trip points supported in a zone as an argument.
This number can't exceed THERMAL_MAX_TRIPS, which is currently
set to 12. To address this issue, THERMAL_MAX_TRIPS value
has to be increased.

This interface also has an argument to specify a mask of trips
which are writable. This mask is defined as an int.
This mask sets the ceiling for increasing maximum number of
supported trips. With the current implementation, maximum number
of trips can be supported is 31.

Also, THERMAL_MAX_TRIPS macro is used in one place only.
So, remove THERMAL_MAX_TRIPS macro and compare num_trips
directly with using a macro BITS_PER_TYPE(int)-1.

Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-09-30 19:50:10 +02:00
Shang XiaoJing
53e41b8593 thermal: int340x: processor_thermal: Use module_pci_driver() macro
Since PCI provides helper macro module_pci_driver(), the
module_init/exit code can be replaced with it.

Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-09-24 19:22:09 +02:00
Rafał Miłecki
28fc7c986f nvmem: prefix all symbols with NVMEM_
This unifies all NVMEM symbols. They follow one style now.

Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220916122100.170016-8-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-09-24 14:54:38 +02:00
Srinivas Pandruvada
c4e927da89 thermal: intel_powerclamp: Remove accounting for IRQ wakes
There is a static variable "idle_wakeup_counter", which accounts for
number of wake ups because of IRQs and take actions to compensate idle
injection. This is now read and reset to 0, but never incremented.
So all the usage of this counter for idle injection has no use.

Also another static variable "reduce_irq", which depends on
"idle_wakeup_counter", so remove usage of "reduce_irq" also.

Commit feb6cd6a0f ("thermal/intel_powerclamp: stop sched tick in
forced idle") replaced the local use of "mwait_idle_with_hints" with
play_idle(). This removed possibility of updating "idle_wakeup_counter"
without change in play_idle(). This change was made in Linux 4.10.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-09-21 20:31:05 +02:00
Srinivas Pandruvada
68b99e94a4 thermal: intel_powerclamp: Use get_cpu() instead of smp_processor_id() to avoid crash
When CPU 0 is offline and intel_powerclamp is used to inject
idle, it generates kernel BUG:

BUG: using smp_processor_id() in preemptible [00000000] code: bash/15687
caller is debug_smp_processor_id+0x17/0x20
CPU: 4 PID: 15687 Comm: bash Not tainted 5.19.0-rc7+ #57
Call Trace:
<TASK>
dump_stack_lvl+0x49/0x63
dump_stack+0x10/0x16
check_preemption_disabled+0xdd/0xe0
debug_smp_processor_id+0x17/0x20
powerclamp_set_cur_state+0x7f/0xf9 [intel_powerclamp]
...
...

Here CPU 0 is the control CPU by default and changed to the current CPU,
if CPU 0 offlined. This check has to be performed under cpus_read_lock(),
hence the above warning.

Use get_cpu() instead of smp_processor_id() to avoid this BUG.

Suggested-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
[ rjw: Subject edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-09-21 20:27:06 +02:00
Greg Kroah-Hartman
4ba028e41b 1st set of IIO new device support, features and cleanup for 6.1
This includes Nuno Sa's work to move the IIO core over to generic firmware
 properties rather than having DT specific code paths. Combined with Andy
 Shevchenko's long term work on drivers, this leaves IIO in a good state for
 handling other firmware types.
 
 New device support
 - liteon,ltrf216a
   * New driver and dt bindings to support this Light sensor.
 - maxim,max11205
   * New driver for this 16bit single channel ADC.
 - memsensing,msa311
   * New driver for this accelerometer. Includes a string helper for read/write.
 - richtek,rtq6056
   * New driver and dt binding to support this current monitor used to measure
     power usage.
 - yamaha,yas530
   * Support the YAS537 variant (series includes several fixes for other parts
     and new driver features).
 
 Staging graduation
 - adi,ad7746 CDC. Cleanup conducted against set of roadtest tests using
   the posted RFC of that framework.
 
 Features
 - core
   * Large rework to make all the core IIO code use generic firmware properties.
     Includes switching some drivers over as well using newly provided
     generic interfaces and allowing removal of DT specific ones.
   * Support for gesture event types for single and double tap. Used in
     bosch,bma400.
 - atmel,at91-sama5d2
   * Add support for temperature sensor which uses two muxed inputs to estimate
     the temperature.
   * Handle trackx bits of EMR register to improve temp sampling accuracy.
   * Runtime PM support.
 - liteon,ltrf216a
   * Add a _raw channel output to allow working around an issue with
     differing conversions equations that breaks some user space controls.
 - mexelis,mlx90632
   * Support regulator control.
 - ti,tsc2046
   * External reference voltage support.
 
 Clean up and minor fixes
 - Tree-wide
   * devm_clk_get_enabled() replacements of opencoded equivalent.
   * Remaining IIO_DMA_MINALIGN conversions (the staging/iio drivers).
   * Various minor warning and similar cleanup such as missing static
     markings.
   * strlcpy() to strscpy() for cases where return value not checked.
   * provide units.h entries for more HZ units and use them in drivers.
 - dt-bindings cleanup
   * Drop maintainers listss where the email address is bouncing.
   * Switch spi devices over to using spi-peripheral.yaml
   * Add some missing unevaluatedProperties / additionalProperties: false
     entries.
 - ABI docs
   * Add some missing channel type specific sampling frequency entries.
   * Add parameter names for callback parameters.
 - MAINTAINERS
   * Fix wrong ADI forum links.
 - core
   * lockdep class per device, to avoid an issue with nest when one IIO
     device is the consumer of another.
   * White space tweaks.
 - asc,dlhl60d
   * Use get_unaligned_be24 to avoid some unusual data manipulation and masking.
 - atmel,at91-sama5d2
   * Fix wrong max value.
   * Improve error handling when measuring pressure and touch.
   * Add locks to remove races on updating oversampling / sampling freq.
   * Add missing calls in suspend and resume path to ensure state is correctly
     brought up if buffered capture was in use when suspend happened.
   * Error out of write_raw() callback if buffered capture enabled to avoid
     unpredictable behavior.
   * Handle different versions having different oversampling ratio support and
     drop excess error checking.
   * Cleanup magic value defines where the name is just the value and hence
     hurts readability.
   * Use read_avail() callback to provide info on possible oversampling ratios.
   * Correctly handle variable bit depth when doing oversampling on different
     supported parts. Also handle higher oversampling ratios.
 - fsl,imx8qxp
   * Don't ignore errors from regulator_get_voltage() so as to avoid some
     very surprising scaling.
 - invensense,icp10100
   * Switch from UNIVERSAL to DEFINE_RUNTIME_DEV_PM_OPS. UNIVERSAL rarely made
     sense and is now deprecated. In this driver we just avoid double disabling
     in some paths.
 - maxim,max1363
   * Drop consumer channel map provision by platform data. There have been
     better ways of doing this for years and there are no in tree users.
 - microchip,mcp3911
   * Update status to maintained.
 - qcom,spmi-adc5
   * Support measurement of LDO output voltage.
 - qcom,spmi-adc
   * Add missing channel available on SM6125 SoC.
 - st,stmpe
   * Drop requirement on node name in binding now that driver correctly
     doesn't enforce it.
 - stx104
   * Move to more appropriate addac directory
 - ti,am335x
   * Document ti,am654-adc compatible already in use in tree.
 - ti,hmc5843
   * Move dev_pm_ops out of header and use new pm macros to handle export.
 - yamaha,yas530
   * Minor cleanups.
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Merge tag 'iio-for-6.1a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next

Jonathan writes:

1st set of IIO new device support, features and cleanup for 6.1

This includes Nuno Sa's work to move the IIO core over to generic firmware
properties rather than having DT specific code paths. Combined with Andy
Shevchenko's long term work on drivers, this leaves IIO in a good state for
handling other firmware types.

New device support
- liteon,ltrf216a
  * New driver and dt bindings to support this Light sensor.
- maxim,max11205
  * New driver for this 16bit single channel ADC.
- memsensing,msa311
  * New driver for this accelerometer. Includes a string helper for read/write.
- richtek,rtq6056
  * New driver and dt binding to support this current monitor used to measure
    power usage.
- yamaha,yas530
  * Support the YAS537 variant (series includes several fixes for other parts
    and new driver features).

Staging graduation
- adi,ad7746 CDC. Cleanup conducted against set of roadtest tests using
  the posted RFC of that framework.

Features
- core
  * Large rework to make all the core IIO code use generic firmware properties.
    Includes switching some drivers over as well using newly provided
    generic interfaces and allowing removal of DT specific ones.
  * Support for gesture event types for single and double tap. Used in
    bosch,bma400.
- atmel,at91-sama5d2
  * Add support for temperature sensor which uses two muxed inputs to estimate
    the temperature.
  * Handle trackx bits of EMR register to improve temp sampling accuracy.
  * Runtime PM support.
- liteon,ltrf216a
  * Add a _raw channel output to allow working around an issue with
    differing conversions equations that breaks some user space controls.
- mexelis,mlx90632
  * Support regulator control.
- ti,tsc2046
  * External reference voltage support.

Clean up and minor fixes
- Tree-wide
  * devm_clk_get_enabled() replacements of opencoded equivalent.
  * Remaining IIO_DMA_MINALIGN conversions (the staging/iio drivers).
  * Various minor warning and similar cleanup such as missing static
    markings.
  * strlcpy() to strscpy() for cases where return value not checked.
  * provide units.h entries for more HZ units and use them in drivers.
- dt-bindings cleanup
  * Drop maintainers listss where the email address is bouncing.
  * Switch spi devices over to using spi-peripheral.yaml
  * Add some missing unevaluatedProperties / additionalProperties: false
    entries.
- ABI docs
  * Add some missing channel type specific sampling frequency entries.
  * Add parameter names for callback parameters.
- MAINTAINERS
  * Fix wrong ADI forum links.
- core
  * lockdep class per device, to avoid an issue with nest when one IIO
    device is the consumer of another.
  * White space tweaks.
- asc,dlhl60d
  * Use get_unaligned_be24 to avoid some unusual data manipulation and masking.
- atmel,at91-sama5d2
  * Fix wrong max value.
  * Improve error handling when measuring pressure and touch.
  * Add locks to remove races on updating oversampling / sampling freq.
  * Add missing calls in suspend and resume path to ensure state is correctly
    brought up if buffered capture was in use when suspend happened.
  * Error out of write_raw() callback if buffered capture enabled to avoid
    unpredictable behavior.
  * Handle different versions having different oversampling ratio support and
    drop excess error checking.
  * Cleanup magic value defines where the name is just the value and hence
    hurts readability.
  * Use read_avail() callback to provide info on possible oversampling ratios.
  * Correctly handle variable bit depth when doing oversampling on different
    supported parts. Also handle higher oversampling ratios.
- fsl,imx8qxp
  * Don't ignore errors from regulator_get_voltage() so as to avoid some
    very surprising scaling.
- invensense,icp10100
  * Switch from UNIVERSAL to DEFINE_RUNTIME_DEV_PM_OPS. UNIVERSAL rarely made
    sense and is now deprecated. In this driver we just avoid double disabling
    in some paths.
- maxim,max1363
  * Drop consumer channel map provision by platform data. There have been
    better ways of doing this for years and there are no in tree users.
- microchip,mcp3911
  * Update status to maintained.
- qcom,spmi-adc5
  * Support measurement of LDO output voltage.
- qcom,spmi-adc
  * Add missing channel available on SM6125 SoC.
- st,stmpe
  * Drop requirement on node name in binding now that driver correctly
    doesn't enforce it.
- stx104
  * Move to more appropriate addac directory
- ti,am335x
  * Document ti,am654-adc compatible already in use in tree.
- ti,hmc5843
  * Move dev_pm_ops out of header and use new pm macros to handle export.
- yamaha,yas530
  * Minor cleanups.

* tag 'iio-for-6.1a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (142 commits)
  iio: pressure: icp10100: Switch from UNIVERSAL to DEFINE_RUNTIME_DEV_PM_OPS().
  iio: adc: max1363: Drop provision to provide an IIO channel map via platform data
  iio: accel: bma400: Add support for single and double tap events
  iio: Add new event type gesture and use direction for single and double tap
  iio: Use per-device lockdep class for mlock
  iio: adc: add max11205 adc driver
  dt-bindings: iio: adc: Add max11205 documentation file
  iio: magnetometer: yamaha-yas530: Use dev_err_probe()
  iio: magnetometer: yamaha-yas530: Make strings const in chip info
  iio: magnetometer: yamaha-yas530: Use pointers as driver data
  iio: adc: tsc2046: silent spi_device_id warning
  iio: adc: tsc2046: add vref support
  dt-bindings: iio: adc: ti,tsc2046: add vref-supply property
  iio: light: ltrf216a: Add raw attribute
  dt-bindings: iio: Add missing (unevaluated|additional)Properties on child nodes
  MAINTAINERS: fix Analog Devices forum links
  iio/accel: fix repeated words in comments
  dt-bindings: iio: accel: add dt-binding schema for msa311 accel driver
  iio: add MEMSensing MSA311 3-axis accelerometer driver
  dt-bindings: vendor-prefixes: add MEMSensing Microsystems Co., Ltd.
  ...
2022-09-21 16:04:24 +02:00
Rafael J. Wysocki
e9a7c526c2 thermal: int340x_thermal: Consolidate priv->data_vault checks
It is sufficient to check priv->data_vault once in the error code path
of int3400_thermal_probe(), so do that.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-09-03 20:23:07 +02:00
Xuewen Yan
cff895277c thermal: cpufreq_cooling: Check the policy first in cpufreq_cooling_register()
Since the policy needs to be accessed first when obtaining cpu devices,
first check whether the policy is legal before this.

Fixes: 5130802ddb ("thermal: cpu_cooling: Switch to QoS requests for freq limits")
Signed-off-by: Xuewen Yan <xuewen.yan@unisoc.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-09-03 20:07:36 +02:00
Jilin Yuan
96f1c52992 thermal: Drop duplicate words from comments
Drop duplicate words from two kerneldoc comments in the thermal
subsystem.

Signed-off-by: Jilin Yuan <yuanjilin@cdjrlc.com>
[ rjw: Subject edits and changelog rewrite ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-09-03 19:50:50 +02:00
Jakub Kicinski
60ad1100d5 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
tools/testing/selftests/net/.gitignore
  sort the net-next version and use it

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-09-01 12:58:02 -07:00
Wolfram Sang
1e6c8fb8b8 thermal: move from strlcpy() with unused retval to strscpy()
Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-08-31 21:13:35 +02:00
zhaoxiao
1ea252ef29 thermal: da9062-thermal: Drop redundant error message
Since platform_get_irq() already prints an error message on failure, it
is not necessary to print another one for the same purpose.

Signed-off-by: zhaoxiao <zhaoxiao@uniontech.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-08-31 20:58:25 +02:00
Jean Delvare
b1a2c4ee8b thermal/drivers/thermal_mmio: Drop of_match_ptr()
Now that the driver depends on OF, we know what of_match_ptr() will
always resolve to, so we might as well save cpp some work.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-08-31 20:50:47 +02:00
Rafael J. Wysocki
72c976fc3a thermal: gov_user_space: Do not lock thermal zone mutex
Commit 670a5e356c ("thermal/core: Move the thermal zone lock out of
the governors") moved thermal zone locking away from governors, but it
forgot about the user space one which deadlocks now.

Fix this by removing the thermal zone locking from the user space
governor.

Fixes: 670a5e356c ("thermal/core: Move the thermal zone lock out of the governors")
Tested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-08-30 20:18:47 +02:00
Jakub Kicinski
9c5d03d362 genetlink: start to validate reserved header bytes
We had historically not checked that genlmsghdr.reserved
is 0 on input which prevents us from using those precious
bytes in the future.

One use case would be to extend the cmd field, which is
currently just 8 bits wide and 256 is not a lot of commands
for some core families.

To make sure that new families do the right thing by default
put the onus of opting out of validation on existing families.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Paul Moore <paul@paul-moore.com> (NetLabel)
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-08-29 12:47:15 +01:00
Rafael J. Wysocki
3bf1b15712 Merge branch 'thermal-core'
Merge thermal control core fixes for 6.0-rc3:

 - Fix missing required property for thermal zone description (Daniel
   Lezcano).

 - Add missing export symbol for
   thermal_zone_device_register_with_trips() (Daniel Lezcano).

* thermal-core:
  dt-bindings: thermal: Fix missing required property
  thermal/core: Add missing EXPORT_SYMBOL_GPL
2022-08-27 15:07:58 +02:00
Lee, Chun-Yi
7931e28098 thermal/int340x_thermal: handle data_vault when the value is ZERO_SIZE_PTR
In some case, the GDDV returns a package with a buffer which has
zero length. It causes that kmemdup() returns ZERO_SIZE_PTR (0x10).

Then the data_vault_read() got NULL point dereference problem when
accessing the 0x10 value in data_vault.

[   71.024560] BUG: kernel NULL pointer dereference, address:
0000000000000010

This patch uses ZERO_OR_NULL_PTR() for checking ZERO_SIZE_PTR or
NULL value in data_vault.

Signed-off-by: "Lee, Chun-Yi" <jlee@suse.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-08-23 19:50:43 +02:00
Daniel Lezcano
2f9d142c93 thermal/core: Fix lockdep_assert() warning
The function thermal_zone_device_is_enabled() must be called with the
thermal zone lock held. In the resume path, it is called without.

As the thermal_zone_device_is_enabled() is also checked in
thermal_zone_device_update(), do the check in resume() function is
pointless, except for saving an extra initialization which does not
hurt if it is done in all the cases.

Fixes: ca48ad71717dd ("thermal/core: Move the mutex inside the thermal_zone_device_update() function")
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
2022-08-17 14:09:39 +02:00
Daniel Lezcano
a930da9bf5 thermal/core: Move the mutex inside the thermal_zone_device_update() function
All the different calls inside the thermal_zone_device_update()
function take the mutex.

The previous changes move the mutex out of the different functions,
like the throttling ops. Now that the mutexes are all at the same
level in the call stack for the thermal_zone_device_update() function,
they can be moved inside this one.

That has the benefit of:

1. Simplify the code by not having a plethora of places where the lock is taken

2. Probably closes more race windows because releasing the lock from
one line to another can give the opportunity to the thermal zone to change
its state in the meantime. For example, the thermal zone can be
enabled right after checking it is disabled.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20220805153834.2510142-5-daniel.lezcano@linaro.org
2022-08-17 14:09:39 +02:00
Daniel Lezcano
670a5e356c thermal/core: Move the thermal zone lock out of the governors
All the governors throttling ops are taking/releasing the lock at the
beginning and the end of the function.

We can move the mutex to the throttling call site instead.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20220805153834.2510142-4-daniel.lezcano@linaro.org
2022-08-17 14:09:39 +02:00
Daniel Lezcano
63561fe36b thermal/governors: Group the thermal zone lock inside the throttle function
The thermal zone lock is taken in the different places in the
throttling path.

At the first glance it does not hurt to move them at the beginning and
the end of the 'throttle' function. That will allow a consolidation of
the lock in the next following changes.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20220805153834.2510142-3-daniel.lezcano@linaro.org
2022-08-17 14:09:39 +02:00
Daniel Lezcano
15a73839e3 thermal/core: Rework the monitoring a bit
The should_stop_polling() function wraps the function
thermal_zone_device_is_enabled().

The monitor_thermal_zone() function checks if the thermal zone is
enabled via the should_stop_polling() function.

However, the instant after checking the thermal zone is enabled, this
one can be disabled, so even if that reduces the race window, it does
not prevent that and the monitoring can be set again with the thermal
zone disabled.

For this reason, the function should_stop_polling() is replaced by a
direct check of the thermal zone mode with the mutex locks held, that
prevents the situation described above.

As the semantic is clear with the thermal_zone_is_enabled() function,
we can remove the should_stop_polling() function and replace the check
with the former function.

While at it, reorder the checks to improve the readability of the
monitor_thermal_zone() function.

In the future, the thermal_zone_device_disable() and the
thermal_zone_device_enable() functions should unset / set the polling
timer directly instead of relying on the next
thermal_zone_device_update() call to do that. That will make a
synchronous thermal zone mode change but the locking scheme should be
double checked for that which out of the scope of this change.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20220805153834.2510142-2-daniel.lezcano@linaro.org
2022-08-17 14:09:39 +02:00
Daniel Lezcano
9662756a9a thermal/core: Rearm the monitoring only one time
The current code calls monitor_thermal_zone() inside the
handle_thermal_trip() function. But this one is called in a loop for
each trip point which means the monitoring is rearmed several times
for nothing (assuming there could be several passive and active trip
points).

Move the monitor_thermal_zone() function out of the
handle_thermal_trip() function and after the thermal trip loop, so the
timer will be disabled or rearmed one time.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20220805153834.2510142-1-daniel.lezcano@linaro.org
2022-08-17 14:09:39 +02:00
Jiapeng Chong
e920209847 thermal/drivers/qcom/spmi-adc-tm5: Remove unnecessary print function dev_err()
The print function dev_err() is redundant because platform_get_irq()
already prints an error.

./drivers/thermal/qcom/qcom-spmi-adc-tm5.c:1029:2-9: line 1029 is redundant because platform_get_irq() already prints an error.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=1846
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220809034346.128607-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:39 +02:00
Daniel Lezcano
f59ac19b7f thermal/of: Remove old OF code
All the drivers are converted to the new OF API, remove the old OF code.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220804224349.1926752-34-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:39 +02:00
Daniel Lezcano
9326167058 thermal/core: Move set_trip_temp ops to the sysfs code
Given the trip points can be set in the thermal zone structure, there
is no need of a specific OF function to do that. Move the code in the
place where it is generic, in the sysfs set_trip_temp storing
function.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220804224349.1926752-33-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:39 +02:00
Daniel Lezcano
7ea98f70c7 thermal/drivers/samsung: Switch to new of thermal API
The thermal OF code has a new API allowing to migrate the OF
initialization to a simpler approach. The ops are no longer device
tree specific and are the generic ones provided by the core code.

Convert the ops to the thermal_zone_device_ops format and use the new
API to register the thermal zone with these generic ops.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220804224349.1926752-32-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:39 +02:00
Daniel Lezcano
2cf3c72a3f thermal/drivers/ti-soc: Switch to new of API
The thermal OF code has a new API allowing to migrate the OF
initialization to a simpler approach. The ops are no longer device
tree specific and are the generic ones provided by the core code.

Convert the ops to the thermal_zone_device_ops format and use the new
API to register the thermal zone with these generic ops.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220804224349.1926752-25-daniel.lezcano@linexp.org
Acked-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:38 +02:00
Daniel Lezcano
5ee7811e9a thermal/drivers/hisilicon: Switch to new of API
The thermal OF code has a new API allowing to migrate the OF
initialization to a simpler approach. The ops are no longer device
tree specific and are the generic ones provided by the core code.

Convert the ops to the thermal_zone_device_ops format and use the new
API to register the thermal zone with these generic ops.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220804224349.1926752-24-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:38 +02:00
Daniel Lezcano
ae11d6a87c thermal/drivers/maxim: Switch to new of API
The thermal OF code has a new API allowing to migrate the OF
initialization to a simpler approach. The ops are no longer device
tree specific and are the generic ones provided by the core code.

Convert the ops to the thermal_zone_device_ops format and use the new
API to register the thermal zone with these generic ops.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220804224349.1926752-23-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:38 +02:00
Daniel Lezcano
b86105ed9f thermal/drivers/banggap: Switch to new of API
The thermal OF code has a new API allowing to migrate the OF
initialization to a simpler approach. The ops are no longer device
tree specific and are the generic ones provided by the core code.

Convert the ops to the thermal_zone_device_ops format and use the new
API to register the thermal zone with these generic ops.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220804224349.1926752-22-daniel.lezcano@linexp.org
Reviewed-by: Bryan Brattlof <bb@ti.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:38 +02:00
Daniel Lezcano
ab7e865db9 thermal/drivers/mtk: Switch to new of API
The thermal OF code has a new API allowing to migrate the OF
initialization to a simpler approach. The ops are no longer device
tree specific and are the generic ones provided by the core code.

Convert the ops to the thermal_zone_device_ops format and use the new
API to register the thermal zone with these generic ops.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220804224349.1926752-21-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:38 +02:00
Daniel Lezcano
3e7494b41c thermal/drivers/qoriq: Switch to new of API
The thermal OF code has a new API allowing to migrate the OF
initialization to a simpler approach. The ops are no longer device
tree specific and are the generic ones provided by the core code.

Convert the ops to the thermal_zone_device_ops format and use the new
API to register the thermal zone with these generic ops.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220804224349.1926752-20-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:38 +02:00
Daniel Lezcano
396cbbc6b7 thermal/drivers/rzg2l: Switch to new of API
The thermal OF code has a new API allowing to migrate the OF
initialization to a simpler approach. The ops are no longer device
tree specific and are the generic ones provided by the core code.

Convert the ops to the thermal_zone_device_ops format and use the new
API to register the thermal zone with these generic ops.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220804224349.1926752-19-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:38 +02:00
Daniel Lezcano
2ebd4f2f2e thermal/drivers/rcar: Switch to new of API
The thermal OF code has a new API allowing to migrate the OF
initialization to a simpler approach. The ops are no longer device
tree specific and are the generic ones provided by the core code.

Convert the ops to the thermal_zone_device_ops format and use the new
API to register the thermal zone with these generic ops.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20220804224349.1926752-18-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:38 +02:00
Daniel Lezcano
32fb9a8a9d thermal/drivers/imx: Switch to new of API
The thermal OF code has a new API allowing to migrate the OF
initialization to a simpler approach. The ops are no longer device
tree specific and are the generic ones provided by the core code.

Convert the ops to the thermal_zone_device_ops format and use the new
API to register the thermal zone with these generic ops.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220804224349.1926752-17-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:38 +02:00
Daniel Lezcano
2320be6032 thermal/drivers/db8500: Switch to new of API
The thermal OF code has a new API allowing to migrate the OF
initialization to a simpler approach. The ops are no longer device
tree specific and are the generic ones provided by the core code.

Convert the ops to the thermal_zone_device_ops format and use the new
API to register the thermal zone with these generic ops.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220804224349.1926752-16-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:38 +02:00
Daniel Lezcano
e4a1150e3e thermal/drivers/armada: Switch to new of API
The thermal OF code has a new API allowing to migrate the OF
initialization to a simpler approach. The ops are no longer device
tree specific and are the generic ones provided by the core code.

Convert the ops to the thermal_zone_device_ops format and use the new
API to register the thermal zone with these generic ops.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org>
Link: https://lore.kernel.org/r/20220804224349.1926752-15-daniel.lezcano@linexp.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-08-17 14:09:38 +02:00