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82209 commits

Author SHA1 Message Date
KP Singh
0fe4b381a5 bpf: Allow bpf_local_storage to be used by sleepable programs
Other maps like hashmaps are already available to sleepable programs.
Sleepable BPF programs run under trace RCU. Allow task, sk and inode
storage to be used from sleepable programs. This allows sleepable and
non-sleepable programs to provide shareable annotations on kernel
objects.

Sleepable programs run in trace RCU where as non-sleepable programs run
in a normal RCU critical section i.e.  __bpf_prog_enter{_sleepable}
and __bpf_prog_exit{_sleepable}) (rcu_read_lock or rcu_read_lock_trace).

In order to make the local storage maps accessible to both sleepable
and non-sleepable programs, one needs to call both
call_rcu_tasks_trace and call_rcu to wait for both trace and classical
RCU grace periods to expire before freeing memory.

Paul's work on call_rcu_tasks_trace allows us to have per CPU queueing
for call_rcu_tasks_trace. This behaviour can be achieved by setting
rcupdate.rcu_task_enqueue_lim=<num_cpus> boot parameter.

In light of these new performance changes and to keep the local storage
code simple, avoid adding a new flag for sleepable maps / local storage
to select the RCU synchronization (trace / classical).

Also, update the dereferencing of the pointers to use
rcu_derference_check (with either the trace or normal RCU locks held)
with a common bpf_rcu_lock_held helper method.

Signed-off-by: KP Singh <kpsingh@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20211224152916.1550677-2-kpsingh@kernel.org
2021-12-29 17:54:40 -08:00
Jakub Kicinski
e2dfb94f27 bluetooth-next pull request for net-next:
- Add support for Foxconn MT7922A
  - Add support for Realtek RTL8852AE
  - Rework HCI event handling to use skb_pull_data
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Merge tag 'for-net-next-2021-12-29' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

Luiz Augusto von Dentz says:

====================
bluetooth-next pull request for net-next:

 - Add support for Foxconn MT7922A
 - Add support for Realtek RTL8852AE
 - Rework HCI event handling to use skb_pull_data

* tag 'for-net-next-2021-12-29' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (62 commits)
  Bluetooth: MGMT: Fix spelling mistake "simultanous" -> "simultaneous"
  Bluetooth: vhci: Set HCI_QUIRK_VALID_LE_STATES
  Bluetooth: MGMT: Fix LE simultaneous roles UUID if not supported
  Bluetooth: hci_sync: Add check simultaneous roles support
  Bluetooth: hci_sync: Wait for proper events when connecting LE
  Bluetooth: hci_sync: Add support for waiting specific LE subevents
  Bluetooth: hci_sync: Add hci_le_create_conn_sync
  Bluetooth: hci_event: Use skb_pull_data when processing inquiry results
  Bluetooth: hci_sync: Push sync command cancellation to workqueue
  Bluetooth: hci_qca: Stop IBS timer during BT OFF
  Bluetooth: btusb: Add support for Foxconn MT7922A
  Bluetooth: btintel: Add missing quirks and msft ext for legacy bootloader
  Bluetooth: btusb: Add two more Bluetooth parts for WCN6855
  Bluetooth: L2CAP: Fix using wrong mode
  Bluetooth: hci_sync: Fix not always pausing advertising when necessary
  Bluetooth: mgmt: Make use of mgmt_send_event_skb in MGMT_EV_DEVICE_CONNECTED
  Bluetooth: mgmt: Make use of mgmt_send_event_skb in MGMT_EV_DEVICE_FOUND
  Bluetooth: mgmt: Introduce mgmt_alloc_skb and mgmt_send_event_skb
  Bluetooth: btusb: Return error code when getting patch status failed
  Bluetooth: btusb: Handle download_firmware failure cases
  ...
====================

Link: https://lore.kernel.org/r/20211229211258.2290966-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-12-29 14:14:38 -08:00
Jakub Kicinski
b6459415b3 net: Don't include filter.h from net/sock.h
sock.h is pretty heavily used (5k objects rebuilt on x86 after
it's touched). We can drop the include of filter.h from it and
add a forward declaration of struct sk_filter instead.
This decreases the number of rebuilt objects when bpf.h
is touched from ~5k to ~1k.

There's a lot of missing includes this was masking. Primarily
in networking tho, this time.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Acked-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/bpf/20211229004913.513372-1-kuba@kernel.org
2021-12-29 08:48:14 -08:00
Jonathan Neuschäfer
b92e301633 mfd: ntxec: Change return type of ntxec_reg8 from __be16 to u16
Register values in NTXEC are big-endian on the I2C bus, but the regmap
subsystem handles the conversion between CPU-endian and big-endian data
internally. ntxec_reg8 should thus return u16, not __be16.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211218152553.744615-1-j.neuschaefer@gmx.net
2021-12-29 13:41:20 +00:00
Florian Fainelli
d6b9c679bb watchdog: bcm7038_wdt: Support platform data configuration
The BCM7038 watchdog driver needs to be able to obtain a specific clock
name on BCM63xx platforms which is the "periph" clock ticking at 50MHz.
make it possible to specify the clock name to obtain via platform data.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20211112224636.395101-4-f.fainelli@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2021-12-28 13:59:07 +01:00
Greg Kroah-Hartman
cf6299b610 kobject: remove kset from struct kset_uevent_ops callbacks
There is no need to pass the pointer to the kset in the struct
kset_uevent_ops callbacks as no one uses it, so just remove that pointer
entirely.

Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Wedson Almeida Filho <wedsonaf@google.com>
Link: https://lore.kernel.org/r/20211227163924.3970661-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-28 11:26:18 +01:00
Linus Torvalds
a8ad9a2434 Another EFI fix for v5.16
- Prevent missing prototype warning from breaking the build under
   CONFIG_WERROR=y
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Merge tag 'efi-urgent-for-v5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull EFI fix from Ard Biesheuvel:
 "Another EFI fix for v5.16:

   - Prevent missing prototype warning from breaking the build under
     CONFIG_WERROR=y"

* tag 'efi-urgent-for-v5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efi: Move efifb_setup_from_dmi() prototype from arch headers
2021-12-27 08:58:35 -08:00
Chen Yu
1882de7fc5 efi: Introduce EFI_FIRMWARE_MANAGEMENT_CAPSULE_HEADER and corresponding structures
Platform Firmware Runtime Update image starts with UEFI headers, and the
headers are defined in UEFI specification, but some of them have not been
defined in the kernel yet.

For example, the header layout of a capsule file looks like this:

EFI_CAPSULE_HEADER
EFI_FIRMWARE_MANAGEMENT_CAPSULE_HEADER
EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER
EFI_FIRMWARE_IMAGE_AUTHENTICATION

These structures would be used by the Platform Firmware Runtime Update
driver to parse the format of capsule file to verify if the corresponding
version number is valid. In this way, if the user provides an invalid
capsule image, the kernel could be used as a guard to reject it, without
switching to the Management Mode (which might be costly).

EFI_CAPSULE_HEADER has been defined in the kernel, but the other
structures have not been defined yet, so do that. Besides,
EFI_FIRMWARE_MANAGEMENT_CAPSULE_HEADER and
EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER are required to be packed
in the uefi specification. For this reason, use the __packed attribute
to indicate to the compiler that the entire structure can appear
misaligned in memory (as suggested by Ard) in case one of them follows
the other directly in a capsule header.

Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2021-12-27 17:12:58 +01:00
Rafael J. Wysocki
36fd3609d0 Merge back earlier power capping changes for v5.17 2021-12-27 16:51:12 +01:00
Wedson Almeida Filho
ee6d3dd4ed driver core: make kobj_type constant.
This way instances of kobj_type (which contain function pointers) can be
stored in .rodata, which means that they cannot be [easily/accidentally]
modified at runtime.

Signed-off-by: Wedson Almeida Filho <wedsonaf@google.com>
Link: https://lore.kernel.org/r/20211224231345.777370-1-wedsonaf@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-27 10:40:00 +01:00
Lukas Bulwahn
130d168866 hwmon: prefix kernel-doc comments for structs with struct
The command ./scripts/kernel-doc -none include/linux/hwmon.h warns:

  include/linux/hwmon.h:406: warning: This comment starts with '/**', but
    isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
   * Channel information
  include/linux/hwmon.h:425: warning: This comment starts with '/**', but
    isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
   * Chip configuration

Address those kernel-doc warnings by prefixing kernel-doc descriptions for
structs with the keyword 'struct'.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20211216154257.26758-1-lukas.bulwahn@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26 15:02:06 -08:00
Linus Walleij
11a24ca7e3 hwmon: (ntc_thermistor) Merge platform data into driver
Platform data is supposed to be used with "board files",
device descriptions in C. Since the introduction of the
NTC driver in 2011, no such platforms have been submitted
to the Linux kernel, and their use is strongly discouraged
in favor of Device Tree, ACPI or as last resort software
firmware nodes.

Drop the external header and copy the platform data into
the driver file.

Cc: Peter Rosin <peda@axentia.se>
Cc: Chris Lesiak <chris.lesiak@licor.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20211125020841.3616359-2-linus.walleij@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26 15:02:05 -08:00
Yazen Ghannam
4fb0abfee4 x86/amd_nb: Add AMD Family 19h Models (10h-1Fh) and (A0h-AFh) PCI IDs
Add the new PCI Device IDs to support new generation of AMD 19h family of
processors.

Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Babu Moger <babu.moger@amd.com>
Acked-by: Krzysztof Wilczyński <kw@linux.com>
Acked-by: Borislav Petkov <bp@suse.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>  # pci_ids.h
Link: https://lore.kernel.org/r/163640828133.955062.18349019796157170473.stgit@bmoger-ubuntu
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-12-26 15:02:04 -08:00
Linus Torvalds
2afa90bd1c - Prevent clang from reordering the reachable annotation in an inline asm statement
without inputs
 
 - Fix objtool builds on non-glibc systems due to undefined __always_inline
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Merge tag 'objtool_urgent_for_v5.16_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull objtool fixes from Borislav Petkov:

 - Prevent clang from reordering the reachable annotation in
   an inline asm statement without inputs

 - Fix objtool builds on non-glibc systems due to undefined
   __always_inline

* tag 'objtool_urgent_for_v5.16_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  compiler.h: Fix annotation macro misplacement with Clang
  uapi: Fix undefined __always_inline on non-glibc systems
2021-12-26 10:19:40 -08:00
Linus Torvalds
d0cc67b278 Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
 "9 patches.

  Subsystems affected by this patch series: mm (kfence, mempolicy,
  memory-failure, pagemap, pagealloc, damon, and memory-failure),
  core-kernel, and MAINTAINERS"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  mm/hwpoison: clear MF_COUNT_INCREASED before retrying get_any_page()
  mm/damon/dbgfs: protect targets destructions with kdamond_lock
  mm/page_alloc: fix __alloc_size attribute for alloc_pages_exact_nid
  mm: delete unsafe BUG from page_cache_add_speculative()
  mm, hwpoison: fix condition in free hugetlb page path
  MAINTAINERS: mark more list instances as moderated
  kernel/crash_core: suppress unknown crashkernel parameter warning
  mm: mempolicy: fix THP allocations escaping mempolicy restrictions
  kfence: fix memory leak when cat kfence objects
2021-12-25 12:30:03 -08:00
Thibaut Sautereau
595ec1973c mm/page_alloc: fix __alloc_size attribute for alloc_pages_exact_nid
The second parameter of alloc_pages_exact_nid is the one indicating the
size of memory pointed by the returned pointer.

Link: https://lkml.kernel.org/r/YbjEgwhn4bGblp//@coeus
Fixes: abd58f38df ("mm/page_alloc: add __alloc_size attributes for better bounds checking")
Signed-off-by: Thibaut Sautereau <thibaut.sautereau@ssi.gouv.fr>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Daniel Micay <danielmicay@gmail.com>
Cc: Levente Polyak <levente@leventepolyak.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-12-25 12:20:56 -08:00
Hugh Dickins
94ab10dd42 mm: delete unsafe BUG from page_cache_add_speculative()
It is not easily reproducible, but on 5.16-rc I have several times hit
the VM_BUG_ON_PAGE(PageTail(page), page) in
page_cache_add_speculative(): usually from filemap_get_read_batch() for
an ext4 read, yesterday from next_uptodate_page() from
filemap_map_pages() for a shmem fault.

That BUG used to be placed where page_ref_add_unless() had succeeded,
but now it is placed before folio_ref_add_unless() is attempted: that is
not safe, since it is only the acquired reference which makes the page
safe from racing THP collapse or split.

We could keep the BUG, checking PageTail only when
folio_ref_try_add_rcu() has succeeded; but I don't think it adds much
value - just delete it.

Link: https://lkml.kernel.org/r/8b98fc6f-3439-8614-c3f3-945c659a1aba@google.com
Fixes: 020853b6f5 ("mm: Add folio_try_get_rcu()")
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: William Kucharski <william.kucharski@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-12-25 12:20:55 -08:00
Takashi Iwai
54bf7fa3ef ima: Fix undefined arch_ima_get_secureboot() and co
Currently arch_ima_get_secureboot() and arch_get_ima_policy() are
defined only when CONFIG_IMA is set, and this makes any code calling
those functions without CONFIG_IMA fail.

Move the declaration and the dummy definition of those functions
outside ifdef-CONFIG_IMA block for fixing the undefined symbols.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
[zohar@linux.ibm.com: removed in-tree/out-of-tree comment in patch description]
Reviewed-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
2021-12-24 10:24:30 -05:00
Pierre-Louis Bossart
b86947b52f
ASoC/soundwire: intel: simplify callbacks for params/hw_free
We don't really need to pass a substream to the callback, we only need
the direction. No functionality change, only simplification to enable
improve suspend with paused streams.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Acked-By: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20211224021034.26635-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-12-24 14:06:45 +00:00
Jakub Kicinski
8b3f913322 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
include/net/sock.h
  commit 8f905c0e73 ("inet: fully convert sk->sk_rx_dst to RCU rules")
  commit 43f51df417 ("net: move early demux fields close to sk_refcnt")
  https://lore.kernel.org/all/20211222141641.0caa0ab3@canb.auug.org.au/

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-12-23 16:09:58 -08:00
Linus Torvalds
76657eaef4 Networking fixes for 5.16-rc7, including fixes from netfilter.
Current release - regressions:
 
  - revert "tipc: use consistent GFP flags"
 
 Previous releases - regressions:
 
  - igb: fix deadlock caused by taking RTNL in runtime resume path
 
  - accept UFOv6 packages in virtio_net_hdr_to_skb
 
  - netfilter: fix regression in looped (broad|multi)cast's MAC handling
 
  - bridge: fix ioctl old_deviceless bridge argument
 
  - ice: xsk: do not clear status_error0 for ntu + nb_buffs descriptor,
 	avoid stalls when multiple sockets use an interface
 
 Previous releases - always broken:
 
  - inet: fully convert sk->sk_rx_dst to RCU rules
 
  - veth: ensure skb entering GRO are not cloned
 
  - sched: fix zone matching for invalid conntrack state
 
  - bonding: fix ad_actor_system option setting to default
 
  - nf_tables: fix use-after-free in nft_set_catchall_destroy()
 
  - lantiq_xrx200: increase buffer reservation to avoid mem corruption
 
  - ice: xsk: avoid leaking app buffers during clean up
 
  - tun: avoid double free in tun_free_netdev
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.16-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from netfilter.

  Current release - regressions:

   - revert "tipc: use consistent GFP flags"

  Previous releases - regressions:

   - igb: fix deadlock caused by taking RTNL in runtime resume path

   - accept UFOv6 packages in virtio_net_hdr_to_skb

   - netfilter: fix regression in looped (broad|multi)cast's MAC
     handling

   - bridge: fix ioctl old_deviceless bridge argument

   - ice: xsk: do not clear status_error0 for ntu + nb_buffs descriptor,
     avoid stalls when multiple sockets use an interface

  Previous releases - always broken:

   - inet: fully convert sk->sk_rx_dst to RCU rules

   - veth: ensure skb entering GRO are not cloned

   - sched: fix zone matching for invalid conntrack state

   - bonding: fix ad_actor_system option setting to default

   - nf_tables: fix use-after-free in nft_set_catchall_destroy()

   - lantiq_xrx200: increase buffer reservation to avoid mem corruption

   - ice: xsk: avoid leaking app buffers during clean up

   - tun: avoid double free in tun_free_netdev"

* tag 'net-5.16-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (45 commits)
  net: stmmac: dwmac-visconti: Fix value of ETHER_CLK_SEL_FREQ_SEL_2P5M
  r8152: sync ocp base
  r8152: fix the force speed doesn't work for RTL8156
  net: bridge: fix ioctl old_deviceless bridge argument
  net: stmmac: ptp: fix potentially overflowing expression
  net: dsa: tag_ocelot: use traffic class to map priority on injected header
  veth: ensure skb entering GRO are not cloned.
  asix: fix wrong return value in asix_check_host_enable()
  asix: fix uninit-value in asix_mdio_read()
  sfc: falcon: Check null pointer of rx_queue->page_ring
  sfc: Check null pointer of rx_queue->page_ring
  net: ks8851: Check for error irq
  drivers: net: smc911x: Check for error irq
  fjes: Check for error irq
  bonding: fix ad_actor_system option setting to default
  igb: fix deadlock caused by taking RTNL in RPM resume path
  gve: Correct order of processing device options
  net: skip virtio_net_hdr_set_proto if protocol already set
  net: accept UFOv6 packages in virtio_net_hdr_to_skb
  docs: networking: replace skb_hwtstamp_tx with skb_tstamp_tx
  ...
2021-12-23 10:45:55 -08:00
Linus Torvalds
c8cc50a98e ARM: SoC fixes for 5.16, part 4
This is my last set of fixes for 5.16, including
 
  - multiple code fixes for the op-tee firmware driver
 
  - Two patches for allwinner SoCs, one fixing the phy mode on
    a board, the other one fixing a driver bug in the "RSB"
    bus driver. This was originally targetted for 5.17, but
    seemed worth moving to 5.16.
 
  - Two small fixes for devicetree files on i.MX platforms,
    resolving problems with ethernet and i2c.
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Merge tag 'arm-fixes-5.16-4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "This is my last set of fixes for 5.16, including

   - multiple code fixes for the op-tee firmware driver

   - Two patches for allwinner SoCs, one fixing the phy mode on a board,
     the other one fixing a driver bug in the "RSB" bus driver. This was
     originally targeted for 5.17, but seemed worth moving to 5.16

   - Two small fixes for devicetree files on i.MX platforms, resolving
     problems with ethernet and i2c"

* tag 'arm-fixes-5.16-4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  optee: Suppress false positive kmemleak report in optee_handle_rpc()
  tee: optee: Fix incorrect page free bug
  arm64: dts: lx2160a: fix scl-gpios property name
  tee: handle lookup of shm with reference count 0
  ARM: dts: imx6qdl-wandboard: Fix Ethernet support
  bus: sunxi-rsb: Fix shutdown
  arm64: dts: allwinner: orangepi-zero-plus: fix PHY mode
2021-12-23 09:22:34 -08:00
Henning Schild
dd123e62bd platform/x86: simatic-ipc: add main driver for Siemens devices
This mainly implements detection of these devices and will allow
secondary drivers to work on such machines.

The identification is DMI-based with a vendor specific way to tell them
apart in a reliable way.

Drivers for LEDs and Watchdogs will follow to make use of that platform
detection.

There is also some code to allow secondary drivers to find GPIO memory,
that needs to be in place because the pinctrl drivers do not come up.

Signed-off-by: Henning Schild <henning.schild@siemens.com>
Link: https://lore.kernel.org/r/20211213120502.20661-2-henning.schild@siemens.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-12-23 18:09:06 +01:00
Daniel Lezcano
66b354064a powercap/drivers/dtpm: Remove unused function definition
The dtpm.h header file is exporting a function which is not
implemented neither needed. Remove it.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20211123101601.2433340-1-daniel.lezcano@linaro.org
2021-12-23 16:55:20 +01:00
Nick Child
7da1d1ddd1 cuda/pmu: Make find_via_cuda/pmu init functions
Make `find_via_cuda` and `find_via_pmu` initialization functions.
Previously, their definitions in `drivers/macintosh/via-cuda.h` include
the `__init` attribute but their alternative definitions in
`arch/powerpc/powermac/sectup./c` and prototypes in `include/linux/
cuda.h` and `include/linux/pmu.h` do not use the `__init` macro. Since,
only initialization functions call `find_via_cuda` and `find_via_pmu`
it is safe to label these functions with `__init`.

Signed-off-by: Nick Child <nick.child@ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211216220035.605465-21-nick.child@ibm.com
2021-12-23 22:35:00 +11:00
Andy Shevchenko
30be4551f9 wwan: Replace kernel.h with the necessary inclusions
When kernel.h is used in the headers it adds a lot into dependency hell,
especially when there are circular dependencies are involved.

Replace kernel.h inclusion with the list of what is really being used.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-12-23 11:21:53 +00:00
Alan Stern
6e1fcab00a scsi: block: pm: Always set request queue runtime active in blk_post_runtime_resume()
John Garry reported a deadlock that occurs when trying to access a
runtime-suspended SATA device.  For obscure reasons, the rescan procedure
causes the link to be hard-reset, which disconnects the device.

The rescan tries to carry out a runtime resume when accessing the device.
scsi_rescan_device() holds the SCSI device lock and won't release it until
it can put commands onto the device's block queue.  This can't happen until
the queue is successfully runtime-resumed or the device is unregistered.
But the runtime resume fails because the device is disconnected, and
__scsi_remove_device() can't do the unregistration because it can't get the
device lock.

The best way to resolve this deadlock appears to be to allow the block
queue to start running again even after an unsuccessful runtime resume.
The idea is that the driver or the SCSI error handler will need to be able
to use the queue to resolve the runtime resume failure.

This patch removes the err argument to blk_post_runtime_resume() and makes
the routine act as though the resume was successful always.  This fixes the
deadlock.

Link: https://lore.kernel.org/r/1639999298-244569-4-git-send-email-chenxiang66@hisilicon.com
Fixes: e27829dc92 ("scsi: serialize ->rescan against ->remove")
Reported-and-tested-by: John Garry <john.garry@huawei.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-12-22 23:38:29 -05:00
Dave Airlie
63b0951b6e drm/tegra: Changes for v5.17-rc1
This contains a fairly large rework that makes the buffer objects behave
 more according to what the DMA-BUF infrastructure expects. A buffer
 object cache is implemented on top of that to make certain operations
 such as page-flipping more efficient by avoiding needless map/unmap
 operations. This in turn is useful to implement asynchronous commits to
 support legacy cursor updates.
 
 Another fairly big addition is the NVDEC driver. This uses the updated
 UABI introduced in v5.15-rc1 to provide access to the video decode
 engines found on Tegra210 and later.
 
 This also includes some power management improvements that are useful on
 older devices in particular because they, together with a bunch of other
 changes across the kernel, allow the system to scale down frequency and
 voltages when mostly idle and prevent these devices from becoming
 excessively hot.
 
 The remainder of these changes is an assortment of cleanups and minor
 fixes.
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Merge tag 'drm/tegra/for-5.17-rc1' of https://gitlab.freedesktop.org/drm/tegra into drm-next

drm/tegra: Changes for v5.17-rc1

This contains a fairly large rework that makes the buffer objects behave
more according to what the DMA-BUF infrastructure expects. A buffer
object cache is implemented on top of that to make certain operations
such as page-flipping more efficient by avoiding needless map/unmap
operations. This in turn is useful to implement asynchronous commits to
support legacy cursor updates.

Another fairly big addition is the NVDEC driver. This uses the updated
UABI introduced in v5.15-rc1 to provide access to the video decode
engines found on Tegra210 and later.

This also includes some power management improvements that are useful on
older devices in particular because they, together with a bunch of other
changes across the kernel, allow the system to scale down frequency and
voltages when mostly idle and prevent these devices from becoming
excessively hot.

The remainder of these changes is an assortment of cleanups and minor
fixes.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211217142912.558095-1-thierry.reding@gmail.com
2021-12-23 12:31:04 +10:00
Keith Busch
a16c724636 block: remove unnecessary trailing '\'
While harmless, the blank line is certainly not intended to be part of
the rq_list_for_each() macro. Remove it.

Signed-off-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/r/20211222215239.1768164-1-kbusch@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-12-22 16:56:59 -07:00
Randy Dunlap
6fd3c510ee bio.h: fix kernel-doc warnings
Fix all kernel-doc warnings in <linux/bio.h>:

include/linux/bio.h:136: warning: Function parameter or member 'nbytes' not described in 'bio_advance'
include/linux/bio.h:136: warning: Excess function parameter 'bytes' description in 'bio_advance'
include/linux/bio.h:391: warning: No description found for return value of 'bio_next_split'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Kent Overstreet <kent.overstreet@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org
Link: https://lore.kernel.org/r/20211222211532.24060-1-rdunlap@infradead.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-12-22 16:56:45 -07:00
Jackie Liu
d7f55471db memblock: fix memblock_phys_alloc() section mismatch error
Fix modpost Section mismatch error in memblock_phys_alloc()

[...]
WARNING: modpost: vmlinux.o(.text.unlikely+0x1dcc): Section mismatch in reference
from the function memblock_phys_alloc() to the function .init.text:memblock_phys_alloc_range()
The function memblock_phys_alloc() references
the function __init memblock_phys_alloc_range().
This is often because memblock_phys_alloc lacks a __init
annotation or the annotation of memblock_phys_alloc_range is wrong.

ERROR: modpost: Section mismatches detected.
Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.
[...]

memblock_phys_alloc() is a one-line wrapper, make it __always_inline to
avoid these section mismatches.

Reported-by: k2ci <kernel-bot@kylinos.cn>
Suggested-by: Mike Rapoport <rppt@kernel.org>
Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
[rppt: slightly massaged changelog ]
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Link: https://lore.kernel.org/r/20211217020754.2874872-1-liu.yun@linux.dev
2021-12-22 19:35:29 +02:00
Roger Quadros
f2f8115fe8 memory: omap-gpmc: Use a compatible match table when checking for NAND controller
As more compatibles can be added to the GPMC NAND controller driver
use a compatible match table.

Signed-off-by: Roger Quadros <rogerq@kernel.org>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20211221131757.2030-4-rogerq@kernel.org
[krzysztof: remove "is_nand" variable]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-12-22 16:51:14 +01:00
Pingfan Liu
b398123bff efi: apply memblock cap after memblock_add()
On arm64, during kdump kernel saves vmcore, it runs into the following bug:
...
[   15.148919] usercopy: Kernel memory exposure attempt detected from SLUB object 'kmem_cache_node' (offset 0, size 4096)!
[   15.159707] ------------[ cut here ]------------
[   15.164311] kernel BUG at mm/usercopy.c:99!
[   15.168482] Internal error: Oops - BUG: 0 [#1] SMP
[   15.173261] Modules linked in: xfs libcrc32c crct10dif_ce ghash_ce sha2_ce sha256_arm64 sha1_ce sbsa_gwdt ast i2c_algo_bit drm_vram_helper drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec drm_ttm_helper ttm drm nvme nvme_core xgene_hwmon i2c_designware_platform i2c_designware_core dm_mirror dm_region_hash dm_log dm_mod overlay squashfs zstd_decompress loop
[   15.206186] CPU: 0 PID: 542 Comm: cp Not tainted 5.16.0-rc4 #1
[   15.212006] Hardware name: GIGABYTE R272-P30-JG/MP32-AR0-JG, BIOS F12 (SCP: 1.5.20210426) 05/13/2021
[   15.221125] pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   15.228073] pc : usercopy_abort+0x9c/0xa0
[   15.232074] lr : usercopy_abort+0x9c/0xa0
[   15.236070] sp : ffff8000121abba0
[   15.239371] x29: ffff8000121abbb0 x28: 0000000000003000 x27: 0000000000000000
[   15.246494] x26: 0000000080000400 x25: 0000ffff885c7000 x24: 0000000000000000
[   15.253617] x23: 000007ff80400000 x22: ffff07ff80401000 x21: 0000000000000001
[   15.260739] x20: 0000000000001000 x19: ffff07ff80400000 x18: ffffffffffffffff
[   15.267861] x17: 656a626f2042554c x16: 53206d6f72662064 x15: 6574636574656420
[   15.274983] x14: 74706d6574746120 x13: 2129363930342065 x12: 7a6973202c302074
[   15.282105] x11: ffffc8b041d1b148 x10: 00000000ffff8000 x9 : ffffc8b04012812c
[   15.289228] x8 : 00000000ffff7fff x7 : ffffc8b041d1b148 x6 : 0000000000000000
[   15.296349] x5 : 0000000000000000 x4 : 0000000000007fff x3 : 0000000000000000
[   15.303471] x2 : 0000000000000000 x1 : ffff07ff8c064800 x0 : 000000000000006b
[   15.310593] Call trace:
[   15.313027]  usercopy_abort+0x9c/0xa0
[   15.316677]  __check_heap_object+0xd4/0xf0
[   15.320762]  __check_object_size.part.0+0x160/0x1e0
[   15.325628]  __check_object_size+0x2c/0x40
[   15.329711]  copy_oldmem_page+0x7c/0x140
[   15.333623]  read_from_oldmem.part.0+0xfc/0x1c0
[   15.338142]  __read_vmcore.constprop.0+0x23c/0x350
[   15.342920]  read_vmcore+0x28/0x34
[   15.346309]  proc_reg_read+0xb4/0xf0
[   15.349871]  vfs_read+0xb8/0x1f0
[   15.353088]  ksys_read+0x74/0x100
[   15.356390]  __arm64_sys_read+0x28/0x34
...

This bug introduced by commit b261dba2fd ("arm64: kdump: Remove custom
linux,usable-memory-range handling"), which moves
memblock_cap_memory_range() to fdt, but it breaches the rules that
memblock_cap_memory_range() should come after memblock_add() etc as said
in commit e888fa7bb8 ("memblock: Check memory add/cap ordering").

As a consequence, the virtual address set up by copy_oldmem_page() does
not bail out from the test of virt_addr_valid() in check_heap_object(),
and finally hits the BUG_ON().

Since memblock allocator has no idea about when the memblock is fully
populated, while efi_init() is aware, so tackling this issue by calling the
interface early_init_dt_check_for_usable_mem_range() exposed by of/fdt.

Fixes: b261dba2fd ("arm64: kdump: Remove custom linux,usable-memory-range handling")
Signed-off-by: Pingfan Liu <kernelfans@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Nick Terrell <terrelln@fb.com>
Cc: linux-arm-kernel@lists.infradead.org
To: devicetree@vger.kernel.org
To: linux-efi@vger.kernel.org
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211215021348.8766-1-kernelfans@gmail.com
2021-12-22 09:28:26 -04:00
David E. Box
365481e42a driver core: auxiliary bus: Add driver data helpers
Adds get/set driver data helpers for auxiliary devices.

Reviewed-by: Mark Gross <markgross@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20211208015015.891275-3-david.e.box@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-22 13:56:19 +01:00
Greg Kroah-Hartman
1bb866dcb8 1st set of IIO new device support, features and cleanup for 5.17
Includes some fixes that were either late breaking, low priority or
 complex enough to not be good to rush in late in the cycle.
 
 Tree rebased today to fix up some trivial issues + pull in a fix that
 was previously on the fixes-togreg branch. Vast majority have been
 in linux-next for some time now.
 
 New device support
 * adi,ad7293
   - New driver and bindings for this Power Amplifier drain current
     controller.  A complex device with various related monitoring functions.
 * adi,ad75513R
   - New driver and bindings for this combined ADC and DAC device.
   - A few follow up fixes.
 * adi,admv8818
   - New driver (and type) for this 2-18GHz filter device. Includes
     bindings and ABI documentation to allow clk_notifier based auto
     adjustment of the filters in appropriate applications.
 * liteon,ltr501
   - Support for the ltr303.  ID and chip specific info table.
 * xilinx,ams
   - New generic firmware function fwnode_iomap() as used in this driver.
   - New driver and bindings for this ADC and on-chip sensors as found
     in various Xilinx devices.
 
 Core
 * Introduced IIO_VAL_INT_64 which uses val and val2 in IIO callbacks to
   form a 64 bit integer when higher precision needed.
 * Allow IIO_ENUM_AVAILABLE to be used with different shared values.
 * Fix a long term issue with scheduling whilst atomic when iio_trig_poll()
   is called but no trigger consumers are actually enabled and hence the
   trigger may be reenabled from the interrupt handler.  Seen in the wild
   on the tsc2046.
 * Mark iio_device_type const.
 * buffer: Use a separate index variable to simplify code.
 * buffer-dma: Clear out unused struct iio_buffer_block
 * buffer-dmaengine: Switch to cheaper round_down() as power of 2 values.
 
 Tests/tools
 * format_value
   - Check against NULL returns from allocations in tests.
   - Add IIO_VAL_INT_64 test case.
 * event_monitor
   - Flush the output after event to given more consistent latency
     when tool output piped to other programs.
 
 Driver Features
 * axp20x
   - Add support for NTC thermistor channel and document TS pin binding.
 * arm,scmi
   - Add reading of raw channel values (using IIO_VAL_INT_64)
 * liteon,ltr501
   - Add proximity-near-level support and dt-binding.
 
 Tree wide cleanup
 * Remove no-op trigger ops from multiple drivers.
 * Stop using dev_get_drvdata() on the iio_dev->dev in various drivers
   and then stop assigning it to allow this to be used for other purposes.
   We can always get to the indio_dev using dev_to_iio_dev() which is
   a container_of() based approach. Also cleanup up some related unnecessary
   convoluted cases.
   - atmel,at91-sam5d2
   - nxp,imx7d
   - meas,ms5611
   - st,st_sensors
 * Where available (or easy to introduce) use the scan_type.* values
   in place of a second copy for read_raw and similar paths.
   - adi,ad7266
   - bosch,bma220
   - fsl,mac3110
   - fsl,mma7455
   - fsl,mpl3115
   - kionix,kcjk-1013
   - sensortek,stk8ba50
   - sensortek,stk8312
   - ti,adc12138
   - ti,ads1015
   - vti,sca3000
   - xilinx,xadc-core
 * Switch drives over to generic firmware properties including appropriate
   header changes to avoid including of.h
   - Various DACs had false CONFIG_OF dependencies.
   - dpot-dac
   - envelope-detector
   - adi,ad5755
   - adi,ad5758
   - capella,cm3605
   - maxim,max9611
   - microchip,mcp41010
   - microchip,mcp3911
   - ti,adc12138
 * Trivial clang warning fixes for W=1 warnings.
 
 Driver specific cleanup and minor fixes
 * adi,ad7606
   - Comment fixes.
 * ams,ad3935
   - Drop pointless cast to the same type.
 * atmel,at91-sama5d2
   - Fix wrong cast of iio_dev->dev to platform_device that happened to
     be harmless.
 * fsl,mma7660
   - Stop i2c remove() function returning an error code. Part of a rework
     to eventually stop returning anything from these.
 * fsl,mma8452
   - Use correct type for local irqreturn_t.
 * nxp,imx8mq
   - Maintainer email address update.
 * nxp,lpc18xx_adc
   - Ensure clk_prepare_enable() called before clk_get_rate().
   - Switch of.h for mod_devicetable.h to reflect no of specific functions,
     just the id table.
 * renesas,rzg2l
   - Drop a dev_err() that just duplicates error printed in platform_get_irq()
 * sgx,vz89x
   - Drop pointless cast.
 * st,lsm6dsx
   - Make it possible to disable the sensorhub from DT to avoid a corner
     case where the address of a slave device many be accidentally modified.
 * st,stm32-adc
   - Stop leaking an of_node in an error path.
 * st,stmp2
    - Avoid wrong sized type for bit field which could result in
      over-reading (harmless). Precursor to enabling -Warray-bounds.
 * ti,adc081c
   - Put back some ACPI support for non standards compliant ADC081C
     ID because it is known to be in the wild on some Aaeon boards.
 * ti,ads8688
   - Cleanup redundant local ret variable assignment.
 * ti,ina2xx-adc
   - Use helper macro kthread_run() to replace some boilerplate.
   - Avoid double reference counting.
   - Drop pointless cast.
 * xilinx,xadc
   - Make the IRQ optional as not always wired to the host system.
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Merge tag 'iio-for-5.17a' 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 5.17

Includes some fixes that were either late breaking, low priority or
complex enough to not be good to rush in late in the cycle.

Tree rebased today to fix up some trivial issues + pull in a fix that
was previously on the fixes-togreg branch. Vast majority have been
in linux-next for some time now.

New device support
* adi,ad7293
  - New driver and bindings for this Power Amplifier drain current
    controller.  A complex device with various related monitoring functions.
* adi,ad75513R
  - New driver and bindings for this combined ADC and DAC device.
  - A few follow up fixes.
* adi,admv8818
  - New driver (and type) for this 2-18GHz filter device. Includes
    bindings and ABI documentation to allow clk_notifier based auto
    adjustment of the filters in appropriate applications.
* liteon,ltr501
  - Support for the ltr303.  ID and chip specific info table.
* xilinx,ams
  - New generic firmware function fwnode_iomap() as used in this driver.
  - New driver and bindings for this ADC and on-chip sensors as found
    in various Xilinx devices.

Core
* Introduced IIO_VAL_INT_64 which uses val and val2 in IIO callbacks to
  form a 64 bit integer when higher precision needed.
* Allow IIO_ENUM_AVAILABLE to be used with different shared values.
* Fix a long term issue with scheduling whilst atomic when iio_trig_poll()
  is called but no trigger consumers are actually enabled and hence the
  trigger may be reenabled from the interrupt handler.  Seen in the wild
  on the tsc2046.
* Mark iio_device_type const.
* buffer: Use a separate index variable to simplify code.
* buffer-dma: Clear out unused struct iio_buffer_block
* buffer-dmaengine: Switch to cheaper round_down() as power of 2 values.

Tests/tools
* format_value
  - Check against NULL returns from allocations in tests.
  - Add IIO_VAL_INT_64 test case.
* event_monitor
  - Flush the output after event to given more consistent latency
    when tool output piped to other programs.

Driver Features
* axp20x
  - Add support for NTC thermistor channel and document TS pin binding.
* arm,scmi
  - Add reading of raw channel values (using IIO_VAL_INT_64)
* liteon,ltr501
  - Add proximity-near-level support and dt-binding.

Tree wide cleanup
* Remove no-op trigger ops from multiple drivers.
* Stop using dev_get_drvdata() on the iio_dev->dev in various drivers
  and then stop assigning it to allow this to be used for other purposes.
  We can always get to the indio_dev using dev_to_iio_dev() which is
  a container_of() based approach. Also cleanup up some related unnecessary
  convoluted cases.
  - atmel,at91-sam5d2
  - nxp,imx7d
  - meas,ms5611
  - st,st_sensors
* Where available (or easy to introduce) use the scan_type.* values
  in place of a second copy for read_raw and similar paths.
  - adi,ad7266
  - bosch,bma220
  - fsl,mac3110
  - fsl,mma7455
  - fsl,mpl3115
  - kionix,kcjk-1013
  - sensortek,stk8ba50
  - sensortek,stk8312
  - ti,adc12138
  - ti,ads1015
  - vti,sca3000
  - xilinx,xadc-core
* Switch drives over to generic firmware properties including appropriate
  header changes to avoid including of.h
  - Various DACs had false CONFIG_OF dependencies.
  - dpot-dac
  - envelope-detector
  - adi,ad5755
  - adi,ad5758
  - capella,cm3605
  - maxim,max9611
  - microchip,mcp41010
  - microchip,mcp3911
  - ti,adc12138
* Trivial clang warning fixes for W=1 warnings.

Driver specific cleanup and minor fixes
* adi,ad7606
  - Comment fixes.
* ams,ad3935
  - Drop pointless cast to the same type.
* atmel,at91-sama5d2
  - Fix wrong cast of iio_dev->dev to platform_device that happened to
    be harmless.
* fsl,mma7660
  - Stop i2c remove() function returning an error code. Part of a rework
    to eventually stop returning anything from these.
* fsl,mma8452
  - Use correct type for local irqreturn_t.
* nxp,imx8mq
  - Maintainer email address update.
* nxp,lpc18xx_adc
  - Ensure clk_prepare_enable() called before clk_get_rate().
  - Switch of.h for mod_devicetable.h to reflect no of specific functions,
    just the id table.
* renesas,rzg2l
  - Drop a dev_err() that just duplicates error printed in platform_get_irq()
* sgx,vz89x
  - Drop pointless cast.
* st,lsm6dsx
  - Make it possible to disable the sensorhub from DT to avoid a corner
    case where the address of a slave device many be accidentally modified.
* st,stm32-adc
  - Stop leaking an of_node in an error path.
* st,stmp2
   - Avoid wrong sized type for bit field which could result in
     over-reading (harmless). Precursor to enabling -Warray-bounds.
* ti,adc081c
  - Put back some ACPI support for non standards compliant ADC081C
    ID because it is known to be in the wild on some Aaeon boards.
* ti,ads8688
  - Cleanup redundant local ret variable assignment.
* ti,ina2xx-adc
  - Use helper macro kthread_run() to replace some boilerplate.
  - Avoid double reference counting.
  - Drop pointless cast.
* xilinx,xadc
  - Make the IRQ optional as not always wired to the host system.

* tag 'iio-for-5.17a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (103 commits)
  iio: adc: ti-adc081c: Partial revert of removal of ACPI IDs
  iio:addac:ad74413r: Fix uninitialized ret in a path that won't be hit.
  MAINTAINERS: Add maintainer for xilinx-ams
  dt-bindings: iio: adc: Add Xilinx AMS binding documentation
  iio: adc: Add Xilinx AMS driver
  device property: Add fwnode_iomap()
  iio:accel:kxcjk-1013: Mark struct __maybe_unused to avoid warning.
  iio:accel:bmc150: Mark structure __maybe_unused as only needed with for pm ops.
  iio:dummy: Drop set but unused variable len.
  iio:magn:ak8975: Suppress clang W=1 warning about pointer to enum conversion.
  iio:imu:inv_mpu6050: Suppress clang W=1 warning about pointer to enum conversion.
  iio:imu:inv_icm42600: Suppress clang W=1 warning about pointer to enum conversion.
  iio:dac:mcp4725: Suppress clang W=1 warning about pointer to enum conversion.
  iio:amplifiers:hmc425a: Suppress clang W=1 warning about pointer to enum conversion.
  iio:adc:ti-ads1015: Suppress clang W=1 warning about pointer to enum conversion.
  iio:adc:rcar: Suppress clang W=1 warning about pointer to enum conversion.
  iio:adc:ina2xx-adc: Suppress clang W=1 warning about pointer to enum conversion.
  iio:accel:bma180: Suppress clang W=1 warning about pointer to enum conversion.
  drivers:iio:dac: Add AD3552R driver support
  dt-bindings: iio: dac: Add adi,ad3552r.yaml
  ...
2021-12-22 12:33:01 +01:00
Logan Gunthorpe
f857acfc45 lib/scatterlist: cleanup macros into static inline functions
Convert the sg_is_chain(), sg_is_last() and sg_chain_ptr() macros
into static inline functions. There's no reason for these to be macros
and static inline are generally preferred these days.

Also introduce the SG_PAGE_LINK_MASK define so the P2PDMA work, which is
adding another bit to this mask, can do so more easily.

Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-12-22 09:21:43 +01:00
Josh Poimboeuf
dcce50e6cc compiler.h: Fix annotation macro misplacement with Clang
When building with Clang and CONFIG_TRACE_BRANCH_PROFILING, there are a
lot of unreachable warnings, like:

  arch/x86/kernel/traps.o: warning: objtool: handle_xfd_event()+0x134: unreachable instruction

Without an input to the inline asm, 'volatile' is ignored for some
reason and Clang feels free to move the reachable() annotation away from
its intended location.

Fix that by re-adding the counter value to the inputs.

Fixes: f1069a8756 ("compiler.h: Avoid using inline asm operand modifiers")
Fixes: c199f64ff9 ("instrumentation.h: Avoid using inline asm operand modifiers")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/0417e96909b97a406323409210de7bf13df0b170.1636410380.git.jpoimboe@redhat.com
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: x86@kernel.org
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Miroslav Benes <mbenes@suse.cz>
2021-12-21 15:09:46 -08:00
Tetsuo Handa
37ae5a0f52 block: use "unsigned long" for blk_validate_block_size().
Since lo_simple_ioctl(LOOP_SET_BLOCK_SIZE) and ioctl(NBD_SET_BLKSIZE) pass
user-controlled "unsigned long arg" to blk_validate_block_size(),
"unsigned long" should be used for validation.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/9ecbf057-4375-c2db-ab53-e4cc0dff953d@i-love.sakura.ne.jp
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-12-21 09:32:57 -07:00
Jakub Kicinski
294e70c952 This time we have:
* ndo_fill_forward_path support in mac80211, to let
    drivers use it
  * association comeback notification for userspace,
    to be able to react more sensibly to long delays
  * support for background radar detection hardware
    in some chipsets
  * SA Query Procedures offload on the AP side
  * more logging if we find problems with HT/VHT/HE
  * various cleanups and minor fixes
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Merge tag 'mac80211-next-for-net-next-2021-12-21' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
This time we have:
 * ndo_fill_forward_path support in mac80211, to let drivers use it
 * association comeback notification for userspace, to be able
   to react more sensibly to long delays
 * support for background radar detection hardware in some chipsets
 * SA Query Procedures offload on the AP side
 * more logging if we find problems with HT/VHT/HE
 * various cleanups and minor fixes

Conflicts:

net/wireless/reg.c:
  e08ebd6d7b ("cfg80211: Acquire wiphy mutex on regulatory work")
  701fdfe348 ("cfg80211: Enable regulatory enforcement checks for drivers supporting mesh iface")
  https://lore.kernel.org/r/20211221111950.57ecc6a7@canb.auug.org.au

drivers/net/wireless/ath/ath10k/wmi.c:
  7f599aeccb ("cfg80211: Use the HE operation IE to determine a 6GHz BSS channel")
  3bf2537ec2 ("ath10k: drop beacon and probe response which leak from other channel")
  https://lore.kernel.org/r/20211221115004.1cd6b262@canb.auug.org.au

* tag 'mac80211-next-for-net-next-2021-12-21' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next: (32 commits)
  cfg80211: Enable regulatory enforcement checks for drivers supporting mesh iface
  rfkill: allow to get the software rfkill state
  cfg80211: refactor cfg80211_get_ies_channel_number()
  nl82011: clarify interface combinations wrt. channels
  nl80211: Add support to offload SA Query procedures for AP SME device
  nl80211: Add support to set AP settings flags with single attribute
  mac80211: add more HT/VHT/HE state logging
  cfg80211: Use the HE operation IE to determine a 6GHz BSS channel
  cfg80211: rename offchannel_chain structs to background_chain to avoid confusion with ETSI standard
  mac80211: Notify cfg80211 about association comeback
  cfg80211: Add support for notifying association comeback
  mac80211: introduce channel switch disconnect function
  cfg80211: Fix order of enum nl80211_band_iftype_attr documentation
  cfg80211: simplify cfg80211_chandef_valid()
  mac80211: Remove a couple of obsolete TODO
  mac80211: fix FEC flag in radio tap header
  mac80211: use coarse boottime for airtime fairness code
  ieee80211: change HE nominal packet padding value defines
  cfg80211: use ieee80211_bss_get_elem() instead of _get_ie()
  mac80211: Use memset_after() to clear tx status
  ...
====================

Link: https://lore.kernel.org/r/20211221112532.28708-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-12-21 07:41:52 -08:00
Thomas Weißschuh
539b9c94ac power: supply: add helpers for charge_behaviour sysfs
These helper functions can be used by drivers to implement their own
sysfs-attributes.
This is useful for ACPI-drivers extending the default ACPI-battery with
their own charge_behaviour attributes.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20211123232704.25394-3-linux@weissschuh.net
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-12-21 16:27:42 +01:00
Thomas Weißschuh
1b0b6cc803 power: supply: add charge_behaviour attributes
This a revised version of
"[RFC] add standardized attributes for force_discharge and inhibit_charge" [0],
incorporating discussion results.

The biggest change is the switch from two boolean attributes to a single
enum attribute.

[0] https://lore.kernel.org/platform-driver-x86/21569a89-8303-8573-05fb-c2fec29983d1@gmail.com/

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20211123232704.25394-2-linux@weissschuh.net
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-12-21 16:27:09 +01:00
Anand Ashok Dumbre
eca6e2d4a4 device property: Add fwnode_iomap()
This patch introduces a new helper routine - fwnode_iomap(), which
allows to map the memory mapped IO for a given device node.

This implementation does not cover the ACPI case and may be expanded
in the future. The main purpose here is to be able to develop resource
provider agnostic drivers.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Anand Ashok Dumbre <anand.ashok.dumbre@xilinx.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20211203212358.31444-2-anand.ashok.dumbre@xilinx.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-12-21 15:10:09 +00:00
Arnd Bergmann
13ee75c7b5 Qualcomm driver updates for v5.17
This introduces RPM power-domain support for the SM8450, SM6125 and
 QCM2290 platforms. It them clean up the platform-based naming of the
 resources definitions throughout the RPMh PD driver.
 
 The last-level cache controller driver gains SM8350 support.
 
 The RPM sleep stats driver gains support for several older systems that
 had a slightly different memory layout for this information.
 
 The socinfo gains SM8450, SM6350 and SM7227 definitions.
 
 In addition to the DeviceTree binding updates related to these changes
 new compatibles was added to describe the SM8450 and the Kryo 780 CPU.
 
 Lastly a few typo and style fixes are introduced.
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Merge tag 'qcom-drivers-for-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers

Qualcomm driver updates for v5.17

This introduces RPM power-domain support for the SM8450, SM6125 and
QCM2290 platforms. It them clean up the platform-based naming of the
resources definitions throughout the RPMh PD driver.

The last-level cache controller driver gains SM8350 support.

The RPM sleep stats driver gains support for several older systems that
had a slightly different memory layout for this information.

The socinfo gains SM8450, SM6350 and SM7227 definitions.

In addition to the DeviceTree binding updates related to these changes
new compatibles was added to describe the SM8450 and the Kryo 780 CPU.

Lastly a few typo and style fixes are introduced.

* tag 'qcom-drivers-for-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (27 commits)
  soc: qcom: rpmh-rsc: Fix typo in a comment
  soc: qcom: socinfo: Add SM6350 and SM7225
  dt-bindings: arm: msm: Don't mark LLCC interrupt as required
  dt-bindings: firmware: scm: Add SM6350 compatible
  dt-bindings: arm: msm: Add LLCC for SM6350
  soc: qcom: rpmhpd: Sort power-domain definitions and lists
  soc: qcom: rpmhpd: Remove mx/cx relationship on sc7280
  soc: qcom: rpmhpd: Rename rpmhpd struct names
  soc: qcom: rpmhpd: sm8450: Add the missing .peer for sm8450_cx_ao
  soc: qcom: socinfo: add SM8450 ID
  soc: qcom: rpmhpd: Add SM8450 power domains
  dt-bindings: power: rpmpd: Add SM8450 to rpmpd binding
  soc: qcom: smem: Update max processor count
  dt-bindings: arm: qcom: Document SM8450 SoC and boards
  dt-bindings: firmware: scm: Add SM8450 compatible
  dt-bindings: arm: cpus: Add kryo780 compatible
  soc: qcom: rpmpd: Add support for sm6125
  dt-bindings: qcom-rpmpd: Add sm6125 power domains
  soc: qcom: aoss: constify static struct thermal_cooling_device_ops
  PM: AVS: qcom-cpr: Use div64_ul instead of do_div
  ...

Link: https://lore.kernel.org/r/20211221040452.3620633-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-12-21 13:42:52 +01:00
Andy Shevchenko
79f1c73042 kernfs: Replace kernel.h with the necessary inclusions
When kernel.h is used in the headers it adds a lot into dependency hell,
especially when there are circular dependencies are involved.

Replace kernel.h inclusion with the list of what is really being used.

Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211209123008.3391-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-21 10:34:39 +01:00
Yanteng Si
0032ca576a counter: Add the necessary colons and indents to the comments of counter_compi
Since commit aaec1a0f76 ("counter: Internalize sysfs interface code")
introduce a warning as:

linux-next/Documentation/driver-api/generic-counter:234: ./include/linux/counter.h:43: WARNING: Unexpected indentation.
linux-next/Documentation/driver-api/generic-counter:234: ./include/linux/counter.h:45: WARNING: Block quote ends without a blank line; unexpected unindent.

Add the necessary colons and indents.

Fixes: aaec1a0f76 ("counter: Internalize sysfs interface code")
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/26011e814d6eca02c7ebdbb92f171a49928a7e89.1640072891.git.vilhelm.gray@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-21 10:32:08 +01:00
Tiezhu Yang
612d490419 rapidio: remove not used code about RIO_VID_TUNDRA
According to https://rapidio.org/vendor-id/, there is no 0x000d vendor id
in the complete and current list of VendorIDs, it means that the related
code is dead code now, so just remove them.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Link: https://lore.kernel.org/r/1639625581-22867-3-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-21 10:22:19 +01:00
Tiezhu Yang
80a5ca99c5 rapidio: remove not used macro definition in rio_ids.h
The definition of RIO_VID_FREESCALE, RIO_DID_MPC8560, RIO_DID_TSI500,
RIO_DID_TSI576 and RIO_DID_TSI721 are not used for many years in the
current code, so just remove them.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Link: https://lore.kernel.org/r/1639625581-22867-2-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-21 10:22:19 +01:00
Greg Kroah-Hartman
a4c1aaf97b FPGA Manager changes for 5.17-rc1
Russ' patches rework the way we register FPGA managers, regions and
 bridges by simplifying the functions into a single register call.
 
 Nathan's patch addresses an unused variable warning that was introduced
 by Russ' patches.
 
 Yang's patch addresses a kernel doc warning.
 
 All patches have been reviewed on the mailing list, and have been in the
 last few linux-next releases (as part of our for-next branch) without issues.
 
 Signed-off-by: Moritz Fischer <mdf@kernel.org>
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Merge tag 'fpga-for-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-next

Moritz writes:

FPGA Manager changes for 5.17-rc1

Russ' patches rework the way we register FPGA managers, regions and
bridges by simplifying the functions into a single register call.

Nathan's patch addresses an unused variable warning that was introduced
by Russ' patches.

Yang's patch addresses a kernel doc warning.

All patches have been reviewed on the mailing list, and have been in the
last few linux-next releases (as part of our for-next branch) without issues.

Signed-off-by: Moritz Fischer <mdf@kernel.org>

* tag 'fpga-for-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga:
  fpga: region: fix kernel-doc
  fpga: stratix10-soc: Do not use ret uninitialized in s10_probe()
  fpga: region: Use standard dev_release for class driver
  fpga: bridge: Use standard dev_release for class driver
  fpga: mgr: Use standard dev_release for class driver
2021-12-21 10:05:01 +01:00
Willem de Bruijn
1ed1d59211 net: skip virtio_net_hdr_set_proto if protocol already set
virtio_net_hdr_set_proto infers skb->protocol from the virtio_net_hdr
gso_type, to avoid packets getting dropped for lack of a proto type.

Its protocol choice is a guess, especially in the case of UFO, where
the single VIRTIO_NET_HDR_GSO_UDP label covers both UFOv4 and UFOv6.

Skip this best effort if the field is already initialized. Whether
explicitly from userspace, or implicitly based on an earlier call to
dev_parse_header_protocol (which is more robust, but was introduced
after this patch).

Fixes: 9d2f67e43b ("net/packet: fix packet drop as of virtio gso")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20211220145027.2784293-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-12-20 18:47:37 -08:00
Willem de Bruijn
7e5cced9ca net: accept UFOv6 packages in virtio_net_hdr_to_skb
Skb with skb->protocol 0 at the time of virtio_net_hdr_to_skb may have
a protocol inferred from virtio_net_hdr with virtio_net_hdr_set_proto.

Unlike TCP, UDP does not have separate types for IPv4 and IPv6. Type
VIRTIO_NET_HDR_GSO_UDP is guessed to be IPv4/UDP. As of the below
commit, UFOv6 packets are dropped due to not matching the protocol as
obtained from dev_parse_header_protocol.

Invert the test to take that L2 protocol field as starting point and
pass both UFOv4 and UFOv6 for VIRTIO_NET_HDR_GSO_UDP.

Fixes: 924a9bc362 ("net: check if protocol extracted by virtio_net_hdr_set_proto is correct")
Link: https://lore.kernel.org/netdev/CABcq3pG9GRCYqFDBAJ48H1vpnnX=41u+MhQnayF1ztLH4WX0Fw@mail.gmail.com/
Reported-by: Andrew Melnichenko <andrew@daynix.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20211220144901.2784030-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-12-20 18:47:27 -08:00