Some Google Apex Edge TPU devices have a class code of 0
(PCI_CLASS_NOT_DEFINED).  This prevents the PCI core from assigning
resources for the Apex BARs because __dev_sort_resources() ignores
classless devices, host bridges, and IOAPICs.

On x86, firmware typically assigns those resources, so this was not a
problem.  But on some architectures, firmware does *not* assign BARs, and
since the PCI core didn't do it either, the Apex device didn't work
correctly:

  apex 0000:01:00.0: can't enable device: BAR 0 [mem 0x00000000-0x00003fff 64bit pref] not claimed
  apex 0000:01:00.0: error enabling PCI device

f390d08d8b87 ("staging: gasket: apex: fixup undefined PCI class") added a
quirk to fix the class code, but it was in the apex driver, and if the
driver was built as a module, it was too late to help.

Move the quirk to the PCI core, where it will always run early enough that
the PCI core will assign resources if necessary.

Link: https://lore.kernel.org/r/CAEzXK1r0Er039iERnc2KJ4jn7ySNUOG9H=Ha8TD8XroVqiZjgg@mail.gmail.com
Fixes: f390d08d8b87 ("staging: gasket: apex: fixup undefined PCI class")
Reported-by: Luís Mendes <luis.p.mendes@gmail.com>
Debugged-by: Luís Mendes <luis.p.mendes@gmail.com>
Tested-by: Luis Mendes <luis.p.mendes@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Todd Poynor <toddpoynor@google.com>

Pull iommu updates from Joerg Roedel:

 - ARM-SMMU support for the TLB range invalidation command in SMMUv3.2

 - ARM-SMMU introduction of command batching helpers to batch up CD and
   ATC invalidation

 - ARM-SMMU support for PCI PASID, along with necessary PCI symbol
   exports

 - Introduce a generic (actually rename an existing) IOMMU related
   pointer in struct device and reduce the IOMMU related pointers

 - Some fixes for the OMAP IOMMU driver to make it build on 64bit
   architectures

 - Various smaller fixes and improvements

* tag 'iommu-updates-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (39 commits)
  iommu: Move fwspec->iommu_priv to struct dev_iommu
  iommu/virtio: Use accessor functions for iommu private data
  iommu/qcom: Use accessor functions for iommu private data
  iommu/mediatek: Use accessor functions for iommu private data
  iommu/renesas: Use accessor functions for iommu private data
  iommu/arm-smmu: Use accessor functions for iommu private data
  iommu/arm-smmu: Refactor master_cfg/fwspec usage
  iommu/arm-smmu-v3: Use accessor functions for iommu private data
  iommu: Introduce accessors for iommu private data
  iommu/arm-smmu: Fix uninitilized variable warning
  iommu: Move iommu_fwspec to struct dev_iommu
  iommu: Rename struct iommu_param to dev_iommu
  iommu/tegra-gart: Remove direct access of dev->iommu_fwspec
  drm/msm/mdp5: Remove direct access of dev->iommu_fwspec
  ACPI/IORT: Remove direct access of dev->iommu_fwspec
  iommu: Define dev_iommu_fwspec_get() for !CONFIG_IOMMU_API
  iommu/virtio: Reject IOMMU page granule larger than PAGE_SIZE
  iommu/virtio: Fix freeing of incomplete domains
  iommu/virtio: Fix sparse warning
  iommu/vt-d: Add build dependency on IOASID
  ...

Pull powerpc updates from Michael Ellerman:
 "Slightly late as I had to rebase mid-week to insert a bug fix:

   - A large series from Nick for 64-bit to further rework our exception
     vectors, and rewrite portions of the syscall entry/exit and
     interrupt return in C. The result is much easier to follow code
     that is also faster in general.

   - Cleanup of our ptrace code to split various parts out that had
     become badly intertwined with #ifdefs over the years.

   - Changes to our NUMA setup under the PowerVM hypervisor which should
     hopefully avoid non-sensical topologies which can lead to warnings
     from the workqueue code and other problems.

   - MAINTAINERS updates to remove some of our old orphan entries and
     update the status of others.

   - Quite a few other small changes and fixes all over the map.

  Thanks to: Abdul Haleem, afzal mohammed, Alexey Kardashevskiy, Andrew
  Donnellan, Aneesh Kumar K.V, Balamuruhan S, Cédric Le Goater, Chen
  Zhou, Christophe JAILLET, Christophe Leroy, Christoph Hellwig, Clement
  Courbet, Daniel Axtens, David Gibson, Douglas Miller, Fabiano Rosas,
  Fangrui Song, Ganesh Goudar, Gautham R. Shenoy, Greg Kroah-Hartman,
  Greg Kurz, Gustavo Luiz Duarte, Hari Bathini, Ilie Halip, Jan Kara,
  Joe Lawrence, Joe Perches, Kajol Jain, Larry Finger, Laurentiu Tudor,
  Leonardo Bras, Libor Pechacek, Madhavan Srinivasan, Mahesh Salgaonkar,
  Masahiro Yamada, Masami Hiramatsu, Mauricio Faria de Oliveira, Michael
  Neuling, Michal Suchanek, Mike Rapoport, Nageswara R Sastry, Nathan
  Chancellor, Nathan Lynch, Naveen N. Rao, Nicholas Piggin, Nick
  Desaulniers, Oliver O'Halloran, Po-Hsu Lin, Pratik Rajesh Sampat,
  Rasmus Villemoes, Ravi Bangoria, Roman Bolshakov, Sam Bobroff,
  Sandipan Das, Santosh S, Sedat Dilek, Segher Boessenkool, Shilpasri G
  Bhat, Sourabh Jain, Srikar Dronamraju, Stephen Rothwell, Tyrel
  Datwyler, Vaibhav Jain, YueHaibing"

* tag 'powerpc-5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (158 commits)
  powerpc: Make setjmp/longjmp signature standard
  powerpc/cputable: Remove unnecessary copy of cpu_spec->oprofile_type
  powerpc: Suppress .eh_frame generation
  powerpc: Drop -fno-dwarf2-cfi-asm
  powerpc/32: drop unused ISA_DMA_THRESHOLD
  powerpc/powernv: Add documentation for the opal sensor_groups sysfs interfaces
  selftests/powerpc: Fix try-run when source tree is not writable
  powerpc/vmlinux.lds: Explicitly retain .gnu.hash
  powerpc/ptrace: move ptrace_triggered() into hw_breakpoint.c
  powerpc/ptrace: create ppc_gethwdinfo()
  powerpc/ptrace: create ptrace_get_debugreg()
  powerpc/ptrace: split out ADV_DEBUG_REGS related functions.
  powerpc/ptrace: move register viewing functions out of ptrace.c
  powerpc/ptrace: split out TRANSACTIONAL_MEM related functions.
  powerpc/ptrace: split out SPE related functions.
  powerpc/ptrace: split out ALTIVEC related functions.
  powerpc/ptrace: split out VSX related functions.
  powerpc/ptrace: drop PARAMETER_SAVE_AREA_OFFSET
  powerpc/ptrace: drop unnecessary #ifdefs CONFIG_PPC64
  powerpc/ptrace: remove unused header includes
  ...

Pull s390 updates from Vasily Gorbik:

 - Update maintainers. Niklas Schnelle takes over zpci and Vineeth
   Vijayan common io code.

 - Extend cpuinfo to include topology information.

 - Add new extended counters for IBM z15 and sampling buffer allocation
   rework in perf code.

 - Add control over zeroing out memory during system restart.

 - CCA protected key block version 2 support and other
   fixes/improvements in crypto code.

 - Convert to new fallthrough; annotations.

 - Replace zero-length arrays with flexible-arrays.

 - QDIO debugfs and other small improvements.

 - Drop 2-level paging support optimization for compat tasks. Varios mm
   cleanups.

 - Remove broken and unused hibernate / power management support.

 - Remove fake numa support which does not bring any benefits.

 - Exclude offline CPUs from CPU topology masks to be more consistent
   with other architectures.

 - Prevent last branching instruction address leaking to userspace.

 - Other small various fixes and improvements all over the code.

* tag 's390-5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (57 commits)
  s390/mm: cleanup init_new_context() callback
  s390/mm: cleanup virtual memory constants usage
  s390/mm: remove page table downgrade support
  s390/qdio: set qdio_irq->cdev at allocation time
  s390/qdio: remove unused function declarations
  s390/ccwgroup: remove pm support
  s390/ap: remove power management code from ap bus and drivers
  s390/zcrypt: use kvmalloc instead of kmalloc for 256k alloc
  s390/mm: cleanup arch_get_unmapped_area() and friends
  s390/ism: remove pm support
  s390/cio: use fallthrough;
  s390/vfio: use fallthrough;
  s390/zcrypt: use fallthrough;
  s390: use fallthrough;
  s390/cpum_sf: Fix wrong page count in error message
  s390/diag: fix display of diagnose call statistics
  s390/ap: Remove ap device suspend and resume callbacks
  s390/pci: Improve handling of unset UID
  s390/pci: Fix zpci_alloc_domain() over allocation
  s390/qdio: pass ISC as parameter to chsc_sadc()
  ...

Pull pci updates from Bjorn Helgaas:
 "Enumeration:

   - Revert sysfs "rescan" renames that broke apps (Kelsey Skunberg)

   - Add more 32 GT/s link speed decoding and improve the implementation
     (Yicong Yang)

  Resource management:

   - Add support for sizing programmable host bridge apertures and fix a
     related alpha Nautilus regression (Ivan Kokshaysky)

  Interrupts:

   - Add boot interrupt quirk mechanism for Xeon chipsets and document
     boot interrupts (Sean V Kelley)

  PCIe native device hotplug:

   - When possible, disable in-band presence detect and use PDS
     (Alexandru Gagniuc)

   - Add DMI table for devices that don't use in-band presence detection
     but don't advertise that correctly (Stuart Hayes)

   - Fix hang when powering slots up/down via sysfs (Lukas Wunner)

   - Fix an MSI interrupt race (Stuart Hayes)

  Virtualization:

   - Add ACS quirks for Zhaoxin devices (Raymond Pang)

  Error handling:

   - Add Error Disconnect Recover (EDR) support so firmware can report
     devices disconnected via DPC and we can try to recover (Kuppuswamy
     Sathyanarayanan)

  Peer-to-peer DMA:

   - Add Intel Sky Lake-E Root Ports B, C, D to the whitelist (Andrew
     Maier)

  ASPM:

   - Reduce severity of common clock config message (Chris Packham)

   - Clear the correct bits when enabling L1 substates, so we don't go
     to the wrong state (Yicong Yang)

  Endpoint framework:

   - Replace EPF linkup ops with notifier call chain and improve locking
     (Kishon Vijay Abraham I)

   - Fix concurrent memory allocation in OB address region (Kishon Vijay
     Abraham I)

   - Move PF function number assignment to EPC core to support multiple
     function creation methods (Kishon Vijay Abraham I)

   - Fix issue with clearing configfs "start" entry (Kunihiko Hayashi)

   - Fix issue with endpoint MSI-X ignoring BAR Indicator and Table
     Offset (Kishon Vijay Abraham I)

   - Add support for testing DMA transfers (Kishon Vijay Abraham I)

   - Add support for testing > 10 endpoint devices (Kishon Vijay Abraham I)

   - Add support for tests to clear IRQ (Kishon Vijay Abraham I)

   - Add common DT schema for endpoint controllers (Kishon Vijay Abraham I)

  Amlogic Meson PCIe controller driver:

   - Add DT bindings for AXG PCIe PHY, shared MIPI/PCIe analog PHY (Remi
     Pommarel)

   - Add Amlogic AXG PCIe PHY, AXG MIPI/PCIe analog PHY drivers (Remi
     Pommarel)

  Cadence PCIe controller driver:

   - Add Root Complex/Endpoint DT schema for Cadence PCIe (Kishon Vijay
     Abraham I)

  Intel VMD host bridge driver:

   - Add two VMD Device IDs that require bus restriction mode (Sushma
     Kalakota)

  Mobiveil PCIe controller driver:

   - Refactor and modularize mobiveil driver (Hou Zhiqiang)

   - Add support for Mobiveil GPEX Gen4 host (Hou Zhiqiang)

  Microsoft Hyper-V host bridge driver:

   - Add support for Hyper-V PCI protocol version 1.3 and
     PCI_BUS_RELATIONS2 (Long Li)

   - Refactor to prepare for virtual PCI on non-x86 architectures (Boqun
     Feng)

   - Fix memory leak in hv_pci_probe()'s error path (Dexuan Cui)

  NVIDIA Tegra PCIe controller driver:

   - Use pci_parse_request_of_pci_ranges() (Rob Herring)

   - Add support for endpoint mode and related DT updates (Vidya Sagar)

   - Reduce -EPROBE_DEFER error message log level (Thierry Reding)

  Qualcomm PCIe controller driver:

   - Restrict class fixup to specific Qualcomm devices (Bjorn Andersson)

  Synopsys DesignWare PCIe controller driver:

   - Refactor core initialization code for endpoint mode (Vidya Sagar)

   - Fix endpoint MSI-X to use correct table address (Kishon Vijay
     Abraham I)

  TI DRA7xx PCIe controller driver:

   - Fix MSI IRQ handling (Vignesh Raghavendra)

  TI Keystone PCIe controller driver:

   - Allow AM654 endpoint to raise MSI-X interrupt (Kishon Vijay Abraham I)

  Miscellaneous:

   - Quirk ASMedia XHCI USB to avoid "PME# from D0" defect (Kai-Heng
     Feng)

   - Use ioremap(), not phys_to_virt(), for platform ROM to fix video
     ROM mapping with CONFIG_HIGHMEM (Mikel Rychliski)"

* tag 'pci-v5.7-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (96 commits)
  misc: pci_endpoint_test: remove duplicate macro PCI_ENDPOINT_TEST_STATUS
  PCI: tegra: Print -EPROBE_DEFER error message at debug level
  misc: pci_endpoint_test: Use full pci-endpoint-test name in request_irq()
  misc: pci_endpoint_test: Fix to support > 10 pci-endpoint-test devices
  tools: PCI: Add 'e' to clear IRQ
  misc: pci_endpoint_test: Add ioctl to clear IRQ
  misc: pci_endpoint_test: Avoid using module parameter to determine irqtype
  PCI: keystone: Allow AM654 PCIe Endpoint to raise MSI-X interrupt
  PCI: dwc: Fix dw_pcie_ep_raise_msix_irq() to get correct MSI-X table address
  PCI: endpoint: Fix ->set_msix() to take BIR and offset as arguments
  misc: pci_endpoint_test: Add support to get DMA option from userspace
  tools: PCI: Add 'd' command line option to support DMA
  misc: pci_endpoint_test: Use streaming DMA APIs for buffer allocation
  PCI: endpoint: functions/pci-epf-test: Print throughput information
  PCI: endpoint: functions/pci-epf-test: Add DMA support to transfer data
  PCI: pciehp: Fix MSI interrupt race
  PCI: pciehp: Fix indefinite wait on sysfs requests
  PCI: endpoint: Fix clearing start entry in configfs
  PCI: tegra: Add support for PCIe endpoint mode in Tegra194
  PCI: sysfs: Revert "rescan" file renames
  ...

  - Convert tegra to use shared DT "ranges" parsing (Rob Herring)

* remotes/lorenzo/pci/tegra:
  PCI: tegra: Use pci_parse_request_of_pci_ranges()

  - Apply Qualcomm class fixup only to PCIe host bridges, not to all
    PCI_VENDOR_ID_QCOM devices (Bjorn Andersson)

* remotes/lorenzo/pci/qcom:
  PCI: qcom: Fix the fixup of PCI_VENDOR_ID_QCOM

  - Restructure mobiveil driver to support either Root Complex mode or
    Endpoint mode (Hou Zhiqiang)

  - Collect host initialization into one place (Hou Zhiqiang)

  - Collect interrupt-related code into one place (Hou Zhiqiang)

  - Split mobiveil into separate files under
    drivers/pci/controller/mobiveil for easier reuse (Hou Zhiqiang)

  - Add callbacks for interrupt initialization and linkup checking (Hou
    Zhiqiang)

  - Add 8- and 16-bit CSR accessors (Hou Zhiqiang)

  - Initialize host driver only if Header Type is "bridge" (Hou Zhiqiang)

  - Add DT bindings for NXP Layerscape SoCs PCIe Gen4 controller (Hou
    Zhiqiang)

  - Add PCIe Gen4 RC driver for Layerscape SoCs (Hou Zhiqiang)

  - Add pcie-mobiveil __iomem annotations (Hou Zhiqiang)

  - Add PCI_MSI_IRQ_DOMAIN Kconfig dependency (Hou Zhiqiang)

* remotes/lorenzo/pci/mobiveil:
  PCI: mobiveil: Fix unmet dependency warning for PCIE_MOBIVEIL_PLAT
  PCI: mobiveil: Fix sparse different address space warnings
  PCI: mobiveil: Add PCIe Gen4 RC driver for Layerscape SoCs
  dt-bindings: PCI: Add NXP Layerscape SoCs PCIe Gen4 controller
  PCI: mobiveil: Add Header Type field check
  PCI: mobiveil: Add 8-bit and 16-bit CSR register accessors
  PCI: mobiveil: Allow mobiveil_host_init() to be used to re-init host
  PCI: mobiveil: Add callback function for link up check
  PCI: mobiveil: Add callback function for interrupt initialization
  PCI: mobiveil: Modularize the Mobiveil PCIe Host Bridge IP driver
  PCI: mobiveil: Collect the interrupt related operations into a function
  PCI: mobiveil: Move the host initialization into a function
  PCI: mobiveil: Introduce a new structure mobiveil_root_port

  - Fix memory leak in hv probe path (Dexuan Cui)

  - Add support for Hyper-V protocol 1.3 (Long Li)

  - Replace zero-length array with flexible-array member (Gustavo A. R.
    Silva)

  - Move hypercall definitions to <asm/hyperv-tlfs.h> (Boqun Feng)

  - Move retarget definitions to <asm/hyperv-tlfs.h> and make them packed
    (Boqun Feng)

  - Add struct hv_msi_entry and hv_set_msi_entry_from_desc() to prepare for
    future virtual PCI on non-x86 (Boqun Feng)

* remotes/lorenzo/pci/hv:
  PCI: hv: Introduce hv_msi_entry
  PCI: hv: Move retarget related structures into tlfs header
  PCI: hv: Move hypercall related definitions into tlfs header
  PCI: hv: Replace zero-length array with flexible-array member
  PCI: hv: Add support for protocol 1.3 and support PCI_BUS_RELATIONS2
  PCI: hv: Decouple the func definition in hv_dr_state from VSP message
  PCI: hv: Add missing kfree(hbus) in hv_pci_probe()'s error handling path
  PCI: hv: Remove unnecessary type casting from kzalloc

  - Use notification chain instead of EPF linkup ops for EPC events (Kishon
    Vijay Abraham I)

  - Protect concurrent allocation in endpoint outbound address region
    (Kishon Vijay Abraham I)

  - Protect concurrent access to pci_epf_ops (Kishon Vijay Abraham I)

  - Assign function number for each PF in endpoint core (Kishon Vijay
    Abraham I)

  - Refactor endpoint mode core initialization (Vidya Sagar)

  - Add API to notify when core initialization completes (Vidya Sagar)

  - Add test framework support to defer core initialization (Vidya Sagar)

  - Update Tegra SoC ABI header to support uninitialization of UPHY PLL
    when in endpoint mode without reference clock (Vidya Sagar)

  - Add DT and driver support for Tegra194 PCIe endpoint nodes (Vidya
    Sagar)

  - Add endpoint test support for DMA data transfer (Kishon Vijay
    Abraham I)

  - Print throughput information in endpoint test (Kishon Vijay Abraham I)

  - Use streaming DMA APIs for endpoint test buffer allocation (Kishon
    Vijay Abraham I)

  - Add endpoint test command line option for DMA (Kishon Vijay Abraham I)

  - When stopping a controller via configfs, clear endpoint "start" entry
    to prevent WARN_ON (Kunihiko Hayashi)

  - Update endpoint ->set_msix() to pay attention to MSI-X BAR Indicator
    and offset when finding MSI-X tables (Kishon Vijay Abraham I)

  - MSI-X tables are in local memory, not in the PCI address space.  Update
    pcie-designware-ep to account for this (Kishon Vijay Abraham I)

  - Allow AM654 PCIe Endpoint to raise MSI-X interrupts (Kishon Vijay
    Abraham I)

  - Avoid using module parameter to determine irqtype for endpoint test
    (Kishon Vijay Abraham I)

  - Add ioctl to clear IRQ for endpoint test (Kishon Vijay Abraham I)

  - Add endpoint test 'e' option to clear IRQ (Kishon Vijay Abraham I)

  - Bump limit on number of endpoint test devices from 10 to 10,000 (Kishon
    Vijay Abraham I)

  - Use full pci-endpoint-test name in request_irq() for easier profiling
    (Kishon Vijay Abraham I)

  - Reduce log level of -EPROBE_DEFER error messages to debug (Thierry
    Reding)

* remotes/lorenzo/pci/endpoint:
  misc: pci_endpoint_test: remove duplicate macro PCI_ENDPOINT_TEST_STATUS
  PCI: tegra: Print -EPROBE_DEFER error message at debug level
  misc: pci_endpoint_test: Use full pci-endpoint-test name in request_irq()
  misc: pci_endpoint_test: Fix to support > 10 pci-endpoint-test devices
  tools: PCI: Add 'e' to clear IRQ
  misc: pci_endpoint_test: Add ioctl to clear IRQ
  misc: pci_endpoint_test: Avoid using module parameter to determine irqtype
  PCI: keystone: Allow AM654 PCIe Endpoint to raise MSI-X interrupt
  PCI: dwc: Fix dw_pcie_ep_raise_msix_irq() to get correct MSI-X table address
  PCI: endpoint: Fix ->set_msix() to take BIR and offset as arguments
  misc: pci_endpoint_test: Add support to get DMA option from userspace
  tools: PCI: Add 'd' command line option to support DMA
  misc: pci_endpoint_test: Use streaming DMA APIs for buffer allocation
  PCI: endpoint: functions/pci-epf-test: Print throughput information
  PCI: endpoint: functions/pci-epf-test: Add DMA support to transfer data
  PCI: endpoint: Fix clearing start entry in configfs
  PCI: tegra: Add support for PCIe endpoint mode in Tegra194
  dt-bindings: PCI: tegra: Add DT support for PCIe EP nodes in Tegra194
  soc/tegra: bpmp: Update ABI header
  PCI: pci-epf-test: Add support to defer core initialization
  PCI: dwc: Add API to notify core initialization completion
  PCI: endpoint: Add notification for core init completion
  PCI: dwc: Refactor core initialization code for EP mode
  PCI: endpoint: Add core init notifying feature
  PCI: endpoint: Assign function number for each PF in EPC core
  PCI: endpoint: Protect concurrent access to pci_epf_ops with mutex
  PCI: endpoint: Fix for concurrent memory allocation in OB address region
  PCI: endpoint: Replace spinlock with mutex
  PCI: endpoint: Use notification chain mechanism to notify EPC events to EPF