* pci/host-hv:
PCI: hv: Use vPCI protocol version 1.2
PCI: hv: Add vPCI version protocol negotiation
PCI: hv: Temporary own CPU-number-to-vCPU-number infra
PCI: hv: Use page allocation for hbus structure
PCI: hv: Fix comment formatting and use proper integer fields
* pci/irq-fixups:
arm64: PCI: Drop DT IRQ allocation from pcibios_alloc_irq()
PCI: xilinx-nwl: Move to struct pci_host_bridge IRQ mapping functions
PCI: rockchip: Move to struct pci_host_bridge IRQ mapping functions
PCI: xgene: Move to struct pci_host_bridge IRQ mapping functions
PCI: altera: Drop pci_fixup_irqs()
PCI: versatile: Drop pci_fixup_irqs()
PCI: generic: Drop pci_fixup_irqs()
PCI: faraday: Drop pci_fixup_irqs()
PCI: designware: Drop pci_fixup_irqs()
PCI: iproc: Drop pci_fixup_irqs()
PCI: rcar: Drop pci_fixup_irqs()
PCI: xilinx: Drop pci_fixup_irqs()
PCI: tegra: Drop pci_fixup_irqs()
ARM/PCI: Remove pci_fixup_irqs() call for bios32 host controllers
PCI: Add a call to pci_assign_irq() in pci_device_probe()
OF/PCI: Update of_irq_parse_and_map_pci() comment
PCI: Add pci_assign_irq() function and have pci_fixup_irqs() use it
PCI: Add IRQ mapping function pointers to pci_host_bridge struct
PCI: Build setup-irq.o on all arches
PCI: Remove pci_scan_root_bus_msi()
PCI: xilinx-nwl: Convert PCI scan API to pci_scan_root_bus_bridge()
PCI: rockchip: Convert PCI scan API to pci_scan_root_bus_bridge()
PCI: generic: Convert PCI scan API to pci_scan_root_bus_bridge()
PCI: xgene: Convert PCI scan API to pci_scan_root_bus_bridge()
PCI: xilinx: Convert PCI scan API to pci_scan_root_bus_bridge()
PCI: altera: Convert PCI scan API to pci_scan_root_bus_bridge()
PCI: versatile: Convert PCI scan API to pci_scan_root_bus_bridge()
PCI: iproc: Convert PCI scan API to pci_scan_root_bus_bridge()
PCI: rcar: Convert PCI scan API to pci_scan_root_bus_bridge()
PCI: aardvark: Convert PCI scan API to pci_scan_root_bus_bridge()
PCI: designware: Convert PCI scan API to pci_scan_root_bus_bridge()
ARM/PCI: Convert PCI scan API to pci_scan_root_bus_bridge()
PCI: Make pci_register_host_bridge() PCI core internal
PCI: Add pci_scan_root_bus_bridge() interface
PCI: tegra: Fix host bridge memory leakage
PCI: faraday: Fix host bridge memory leakage
PCI: Add devm_pci_alloc_host_bridge() interface
PCI: Add pci_free_host_bridge() interface
PCI: Initialize bridge release function at bridge allocation
PCI: faraday: Convert IRQ masking to raw PCI config accessors
PCI: iproc: Convert link check to raw PCI config accessors
PCI: xilinx-nwl: Remove nwl_pcie_enable_msi() unused bus parameter
* pci/virtualization:
PCI: Remove __pci_dev_reset() and pci_dev_reset()
PCI: Split ->reset_notify() method into ->reset_prepare() and ->reset_done()
PCI: Protect pci_error_handlers->reset_notify() usage with device_lock()
PCI: Protect pci_driver->sriov_configure() usage with device_lock()
PCI: Mark Intel XXV710 NIC INTx masking as broken
PCI: Restore PRI and PASID state after Function-Level Reset
PCI: Cache PRI and PASID bits in pci_dev
The pci_error_handlers->reset_notify() method had a flag to indicate
whether to prepare for or clean up after a reset. The prepare and done
cases have no shared functionality whatsoever, so split them into separate
methods.
[bhelgaas: changelog, update locking comments]
Link: http://lkml.kernel.org/r/20170601111039.8913-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
* pci/resource:
PCI: Work around poweroff & suspend-to-RAM issue on Macbook Pro 11
PCI: Do not disregard parent resources starting at 0x0
Conflicts:
arch/x86/pci/fixup.c
* pci/portdrv:
PCI/portdrv: Allocate MSI/MSI-X vector for Downstream Port Containment
PCI/portdrv: Support multiple interrupts for MSI as well as MSI-X
* pci/pm:
PCI/PM: Avoid using device_may_wakeup() for runtime PM
x86/PCI: Avoid AMD SB7xx EHCI USB wakeup defect
PCI/PM: Restore the status of PCI devices across hibernation
drm/radeon: make MacBook Pro d3_delay quirk more generic
drm/amdgpu: remove unnecessary save/restore of pdev->d3_delay
PCI/PM: Add needs_resume flag to avoid suspend complete optimization
PCI: imx6: Fix config read timeout handling
switchtec: Fix minor bug with partition ID register
switchtec: Use new cdev_device_add() helper function
PCI: endpoint: Make PCI_ENDPOINT depend on HAS_DMA
* pci/enumeration:
PCI: Enable ECRC only if device supports it
PCI: Add sysfs max_link_speed/width, current_link_speed/width, etc
PCI: Test INTx masking during enumeration, not at run-time
Limit TLP size to 2K to work around a hardware bug in the v0 version of
PCIe IP. When using default TLP size of 4K, the internal buffer gets
corrupted due to this hardware bug.
This bug was originally noticed during ssh session between APQ8064-based
board and PC. Network packets got corrupted randomly and terminated the ssh
session due to this bug.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Previously the v0, v1, and v2 functions were not grouped together in a
consistent order. Reorder them to make them consistent.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Add support for the IPQ4019 PCIe controller. IPQ4019 supports Gen 1/2, one
lane, one PCIe root complex with support for MSI and legacy interrupts, and
it conforms to PCI Express Base 2.1 specification.
The core init is the same as for the MSM8996, however the clocks and reset
lines differ.
[bhelgaas: fix qcom_pcie_get_resources_v3(), qcom_pcie_init_v3() compile
issues]
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Acked-by: Rob Herring <robh@kernel.org> # binding
Some boards might require to control a regulator to power the PCIe port.
Add support for an optional regulator defined in Device Tree linked in the
PCIe controller under `vpcie-supply`. If present, the regulator will be
disabled and then enabled as part of the PCIe host initialization process
and will be disabled when shutting down.
Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
[bhelgaas: use dev_err() instead of pr_err() in
imx6_pcie_assert_core_reset()]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Richard Zhu <hongxing.zhu@nxp.com>
Update the Hyper-V vPCI driver to use the Server-2016 version of the vPCI
protocol, fixing MSI creation and retargeting issues.
Signed-off-by: Jork Loeser <jloeser@microsoft.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Acked-by: K. Y. Srinivasan <kys@microsoft.com>
To ease parallel effort to centralize CPU-number-to-vCPU-number conversion,
temporarily stand up own version, file-local hv_tmp_cpu_nr_to_vp_nr().
Once the changes have merged, this work-around can be removed, and the
calls replaced with hv_cpu_number_to_vp_number().
Signed-off-by: Jork Loeser <jloeser@microsoft.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Acked-by: K. Y. Srinivasan <kys@microsoft.com>
The hv_pcibus_device structure contains an in-memory hypercall argument
that must not cross a page boundary. Allocate the structure as a page to
ensure that.
Signed-off-by: Jork Loeser <jloeser@microsoft.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Acked-by: K. Y. Srinivasan <kys@microsoft.com>
The Faraday FTPCI100 controller has two clock ports, PCLK and PCICLK. Add
bindings for these two clocks so we can assign them in the device tree.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
Previously, we tried to clear interrupt requests by clearing bits in the
PCIECTRL_DRA7XX_CONF_IRQSTATUS_MSI and PCIECTRL_DRA7XX_CONF_IRQSTATUS_MAIN
registers. But per the TRM, these fields are RW1C, so we must *set* bits
to clear the interrupt bits.
Fixes: 47ff3de911 ("PCI: dra7xx: Add TI DRA7xx PCIe driver")
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
[bhelgaas: changelog]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
The PCI controller attached to a SoC isn't much use if the core SoC isn't
enabled, unless of course it's compile testing, so add appropriate
dependency.
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
The dw_pcie_host_ops structures are never modified. Constify these
structures such that these can be write-protected.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Similar as commit 8ff0ef996c ("PCI: host: Mark PCIe/PCI (MSI) IRQ cascade
handlers as IRQF_NO_THREAD"), we should mark PCIe/PCI (MSI) IRQ cascade
handlers in designware, qcom, and vmd as IRQF_NO_THREAD explicitly.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com> # vmd
Acked-by: Jingoo Han <jingoohan1@gmail.com> # pcie-designware-plat.c
With the introduction of struct pci_host_bridge.map_irq pointer it is
possible to assign IRQs for all devices originating from a PCI host bridge
at probe time; this is implemented through pci_assign_irq() that relies on
the struct pci_host_bridge.map_irq pointer to map IRQ for a given device.
The benefits this brings are twofold:
- the IRQ for a device is assigned once at probe time
- the IRQ assignment works also for hotplugged devices
With all DT based PCI host bridges converted to the struct
pci_host_bridge.{map/swizzle}_irq hooks mechanism the DT IRQ allocation in
ARM64 pcibios_alloc_irq() is now redundant and can be removed.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Will Deacon <will.deacon@arm.com>
struct pci_host_bridge gained hooks to map/swizzle IRQs, so that the IRQ
mapping can be done automatically by PCI core code through the
pci_assign_irq() function instead of resorting to arch-specific
implementation callbacks to carry out the same task which force PCI host
bridge drivers implementation to implement per-arch kludges to carry out a
task that is inherently architecture agnostic.
Add map/swizzle IRQs hooks to the xilinx-nwl PCI host driver to move the
IRQ allocation into core code and stop relying on arch-specific callbacks.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
struct pci_host_bridge gained hooks to map/swizzle IRQs, so that the IRQ
mapping can be done automatically by PCI core code through the
pci_assign_irq() function instead of resorting to arch-specific
implementation callbacks to carry out the same task which force PCI host
bridge drivers implementation to implement per-arch kludges to carry out a
task that is inherently architecture agnostic.
Add map/swizzle IRQs hooks to the rockchip PCI host driver to move the IRQ
allocation into core code and stop relying on arch-specific callbacks.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Wenrui Li <wenrui.li@rock-chips.com>
Cc: Shawn Lin <shawn.lin@rock-chips.com>
struct pci_host_bridge gained hooks to map/swizzle IRQs, so that the IRQ
mapping can be done automatically by PCI core code through the
pci_assign_irq() function instead of resorting to arch-specific
implementation callbacks to carry out the same task which force PCI host
bridge drivers implementation to implement per-arch kludges to carry out a
task that is inherently architecture agnostic.
Add map/swizzle IRQs hooks to the xgene PCI host driver to move the IRQ
allocation into core code and stop relying on arch-specific callbacks.
Tested-by: Khuong Dinh <kdinh@apm.com> # with e1000e
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Tanmay Inamdar <tinamdar@apm.com>
Since, through struct pci_host_bridge.map/swizzle_irq hooks, IRQs are now
allocated in the pci_assign_irq() callback automatically, PCI host bridge
drivers can stop relying on pci_fixup_irqs() for IRQ allocation.
Drop pci_fixup_irqs() usage from PCI altera host bridge driver.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Ley Foon Tan <lftan@altera.com>
Since, through struct pci_host_bridge.map/swizzle_irq hooks, IRQs are now
allocated in the pci_assign_irq() callback automatically, PCI host bridge
drivers can stop relying on pci_fixup_irqs() for IRQ allocation.
Drop pci_fixup_irqs() usage from PCI versatile host bridge driver.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
[bhelgaas: folded in typo fix from Arnd Bergmann <arnd@arndb.de>:
http://lkml.kernel.org/r/20170621215323.3921382-4-arnd@arndb.de]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Rob Herring <robh@kernel.org>
Since, through struct pci_host_bridge.map/swizzle_irq hooks, IRQs are now
allocated in the pci_assign_irq() callback automatically, PCI host bridge
drivers can stop relying on pci_fixup_irqs() for IRQ allocation.
Drop pci_fixup_irqs() usage from PCI host-common bridge driver.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Since, through struct pci_host_bridge.map/swizzle_irq hooks, IRQs are now
allocated in the pci_assign_irq() callback automatically, PCI host bridge
drivers can stop relying on pci_fixup_irqs() for IRQ allocation.
Drop pci_fixup_irqs() usage from PCI ftpci100 host bridge driver.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Since, through struct pci_host_bridge.map/swizzle_irq hooks, IRQs are now
allocated in the pci_assign_irq() callback automatically, PCI host bridge
drivers can stop relying on pci_fixup_irqs() for IRQ allocation.
Drop pci_fixup_irqs() usage from PCI designware host bridge driver.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jingoo Han <jingoohan1@gmail.com>
Cc: Joao Pinto <Joao.Pinto@synopsys.com>
Since, through struct pci_host_bridge.map/swizzle_irq hooks, IRQs are now
allocated in the pci_assign_irq() callback automatically, PCI host bridge
drivers can stop relying on pci_fixup_irqs() for IRQ allocation.
Drop pci_fixup_irqs() usage from PCI iproc host bridge driver.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Jon Mason <jonmason@broadcom.com>
Since, through struct pci_host_bridge.map/swizzle_irq hooks, IRQs are now
allocated in the pci_assign_irq() callback automatically, PCI host bridge
drivers can stop relying on pci_fixup_irqs() for IRQ allocation.
Drop pci_fixup_irqs() usage from PCI rcar host bridge driver.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Simon Horman <horms@verge.net.au>
