248 Commits

Author SHA1 Message Date
Mauro Carvalho Chehab
e5ca4259b8 devicetree: fix a series of wrong file references
As files got renamed, their references broke.

Manually fix a series of broken refs at the DT bindings.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
2018-06-15 18:10:01 -03:00
Linus Torvalds
289cf155d9 DeviceTree updates for v4.18:
- Sync dtc with upstream version v1.4.6-21-g84e414b0b5bc. This adds new
   warnings which are either fixed or disabled by default (enabled with
   W=1).
 
 - Validate an untrusted offset in DT overlay function
   update_usages_of_a_phandle_reference
 
 - Fix a use after free error of_platform_device_destroy
 
 - Fix an off by 1 string errors in unittest
 
 - Avoid creating a struct device for OPP nodes
 
 - Update DT specific submitting-patches.txt with patch content and
   subject requirements.
 
 - Move some bindings to their proper subsystem locations
 
 - Add vendor prefixes for Kaohsiung, SiFive, Avnet, Wi2Wi, Logic PD, and
   ArcherMind
 
 - Add documentation for "no-gpio-delays" property in FSI bus GPIO master
 
 - Add compatible for r8a77990 SoC ravb ethernet block
 
 - More wack-a-mole removal of 'status' property in examples
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Merge tag 'devicetree-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree updates from Rob Herring:

 - Sync dtc with upstream version v1.4.6-21-g84e414b0b5bc. This adds new
   warnings which are either fixed or disabled by default (enabled with
   W=1).

 - Validate an untrusted offset in DT overlay function
   update_usages_of_a_phandle_reference

 - Fix a use after free error of_platform_device_destroy

 - Fix an off by 1 string errors in unittest

 - Avoid creating a struct device for OPP nodes

 - Update DT specific submitting-patches.txt with patch content and
   subject requirements.

 - Move some bindings to their proper subsystem locations

 - Add vendor prefixes for Kaohsiung, SiFive, Avnet, Wi2Wi, Logic PD,
   and ArcherMind

 - Add documentation for "no-gpio-delays" property in FSI bus GPIO
   master

 - Add compatible for r8a77990 SoC ravb ethernet block

 - More wack-a-mole removal of 'status' property in examples

* tag 'devicetree-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (25 commits)
  dt-bindings: submitting-patches: add guidance on patch content and subject
  of: platform: stop accessing invalid dev in of_platform_device_destroy
  dt-bindings: net: ravb: Add support for r8a77990 SoC
  dt-bindings: Add vendor prefix for ArcherMind
  dt-bindings: fsi-master-gpio: Document "no-gpio-delays" property
  dt-bindings: Add vendor prefix for Logic PD
  of: overlay: validate offset from property fixups
  of: unittest: for strings, account for trailing \0 in property length field
  drm: rcar-du: disable dtc graph-endpoint warnings on DT overlays
  kbuild: disable new dtc graph and unit-address warnings
  scripts/dtc: Update to upstream version v1.4.6-21-g84e414b0b5bc
  MAINTAINERS: add keyword for devicetree overlay notifiers
  dt-bindings: define vendor prefix for Wi2Wi, Inc.
  dt-bindings: Add vendor prefix for Avnet, Inc.
  dt-bindings: Relocate Tegra20 memory controller bindings
  dt-bindings: Add "sifive" vendor prefix
  dt-bindings: exynos: move ADC binding to iio/adc/ directory
  dt-bindings: powerpc/4xx: move 4xx NDFC and EMAC bindings to subsystem directories
  dt-bindings: move various RNG bindings to rng/ directory
  dt-bindings: move various timer bindings to timer/ directory
  ...
2018-06-07 14:06:31 -07:00
Bjorn Helgaas
e52d38f4ab Merge branch 'lorenzo/pci/rockchip'
- update arm64 defconfig for Rockchip (Shawn Lin)

  - refactor Rockchip code to facilitate both root port and endpoint mode
    (Shawn Lin)

  - add Rockchip endpoint mode driver (Shawn Lin)

* lorenzo/pci/rockchip:
  arm64: defconfig: update config for Rockchip PCIe
  dt-bindings: PCI: rockchip: Add DT bindings for Rockchip PCIe EP driver
  PCI: rockchip: Add EP driver for Rockchip PCIe controller
  dt-bindings: PCI: rockchip: Rename rockchip-pcie.txt to rockchip-pcie-host.txt
  PCI: rockchip: Split out common function to init controller
  PCI: rockchip: Split out rockchip_pcie_parse_dt() to parse DT
  PCI: rockchip: Separate common code from RC driver

# Conflicts:
#	drivers/pci/host/pcie-rockchip.c
2018-06-06 16:10:43 -05:00
Bjorn Helgaas
1c2bef0a3f Merge branch 'lorenzo/pci/rcar'
- clean up clocks, MSI, IRQ mappings in R-Car probe failure paths (Marek
    Vasut)

  - poll more frequently (5us vs 5ms) while waiting for R-Car data link
    active (Marek Vasut)

  - use generic OF parsing interface in R-Car (Vladimir Zapolskiy)

  - add R-Car V3H (R8A77980) "compatible" string (Sergei Shtylyov)

  - add R-Car gen3 PHY support (Sergei Shtylyov)

  - improve R-Car PHYRDY polling (Sergei Shtylyov)

  - clean up R-Car macros (Marek Vasut)

  - use runtime PM for R-Car controller clock (Dien Pham)

* lorenzo/pci/rcar:
  PCI: rcar: Remove IRQ mappings in rcar_pcie_enable_msi() failpath
  PCI: rcar: Teardown MSI setup if rcar_pcie_enable() fails
  PCI: rcar: Add missing irq_dispose_mapping() into failpath
  PCI: rcar: Pull bus clock enable/disable from rcar_pcie_get_resources()
  PCI: rcar: Poll more often in rcar_pcie_wait_for_dl()
  PCI: rcar: Reuse generic pci_parse_request_of_pci_ranges() function
  DT: pci: rcar-pci: document R8A77980 bindings
  PCI: rcar: Factor out rcar_pcie_hw_init() call
  PCI: rcar: Add R-Car gen3 PHY support
  PCI: rcar: Remove PHYRDY polling from rcar_pcie_hw_init_h1()
  PCI: rcar: Poll PHYRDY in rcar_pcie_hw_init()
  PCI: rcar: Clean up the macros
  PCI: rcar: Use runtime PM to control controller clock

# Conflicts:
#	drivers/pci/host/pcie-rcar.c
2018-06-06 16:10:41 -05:00
Bjorn Helgaas
93763ee651 Merge branch 'pci/host/mobiveil'
- add Mobiveil PCIe host controller driver (Subrahmanya Lingappa)

  - add Mobiveil MSI support (Subrahmanya Lingappa)

* pci/host/mobiveil:
  PCI: mobiveil: Add MSI support
  PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver
  PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver DT bindings
2018-06-06 16:10:38 -05:00
Bjorn Helgaas
f03c7aa459 Merge branch 'lorenzo/pci/dwc'
- reduce Keystone "link already up" log level (Fabio Estevam)

  - move private DT functions to drivers/pci/ (Rob Herring)

  - factor out dwc CONFIG_PCI Kconfig dependencies (Rob Herring)

  - add DesignWare support to the endpoint test driver (Gustavo Pimentel)

  - add DesignWare support for endpoint mode (Gustavo Pimentel)

  - use devm_ioremap_resource() instead of devm_ioremap() in dra7xx and
    artpec6 (Gustavo Pimentel)

  - fix Qualcomm bitwise NOT issue (Dan Carpenter)

  - add Qualcomm runtime PM support (Srinivas Kandagatla)

* lorenzo/pci/dwc:
  PCI: qcom: add runtime pm support to pcie_port
  PCI: qcom: Fix a bitwise vs logical NOT typo
  PCI: dwc: dra7xx: Use devm_ioremap_resource() instead of devm_ioremap()
  PCI: dwc: artpec6: Use devm_ioremap_resource() instead of devm_ioremap()
  misc: pci_endpoint_test: Add DesignWare EP entry
  dt-bindings: PCI: designware: Add support for EP in DesignWare driver
  PCI: dwc: Add support for EP mode
  dt-bindings: PCI: designware: Example update
  PCI: Move private DT related functions into private header
  PCI: dwc: Move CONFIG_PCI depends to menu
  PCI: dwc: Replace magic number by defines
  PCI: dwc: Small computation improvement
  PCI: dwc: Replace lower into upper case characters
  PCI: dwc: Define maximum number of vectors
  PCI: imx6: Remove space before tabs
  PCI: keystone: Do not treat link up message as error

# Conflicts:
#	include/linux/of_pci.h
2018-06-06 16:10:27 -05:00
Bjorn Helgaas
bdc4bb1377 Merge branch 'lorenzo/pci/armada8k'
- enable register clock for Armada 7K/8K (Gregory CLEMENT)

* lorenzo/pci/armada8k:
  PCI: armada8k: Fix clock resource by adding a register clock
  PCI: armada8k: Remove useless test before clk_disable_unprepare()
2018-06-06 16:10:24 -05:00
Subrahmanya Lingappa
92f9ccca4c PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver DT bindings
Add DT bindings for the Mobiveil PCIe Host Bridge IP driver and update the
vendor prefixes file.

Signed-off-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
2018-05-30 10:33:55 -05:00
Gustavo Pimentel
71918e24cb dt-bindings: PCI: designware: Add support for EP in DesignWare driver
Add device tree binding documentation for the EP in PCIe DesignWare driver.

Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
2018-05-15 15:54:11 +01:00
Gustavo Pimentel
467c7a7376 dt-bindings: PCI: designware: Example update
Replace "ctrlreg" reg-name by "dbi" to be coherent with similar drivers,
however it still be compatible with any previous DT that uses the old
reg-name.

Replace the PCIe base address example by a real PCIe base address in use.

Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
2018-05-15 15:49:52 +01:00
Shawn Lin
1dca7a6369 dt-bindings: PCI: rockchip: Add DT bindings for Rockchip PCIe EP driver
This patch documents the DT bindings for the Rockchip PCIe controller
when configured in EP mode.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
2018-05-11 10:36:15 +01:00
Shawn Lin
2ca25bd747 dt-bindings: PCI: rockchip: Rename rockchip-pcie.txt to rockchip-pcie-host.txt
Make it more obvious that this documentation is referenced for
adding the Rockchip PCIe controller as RC mode.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
2018-05-10 12:09:16 +01:00
Sergei Shtylyov
2a291ead5e DT: pci: rcar-pci: document R8A77980 bindings
Document the R-Car V3H (R8A77980) SoC in the R-Car PCIe bindings.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Rob Herring <robh@kernel.org>
2018-05-04 10:32:11 +01:00
Sergei Shtylyov
517ca93a71 PCI: rcar: Add R-Car gen3 PHY support
On R-Car gen3 SoCs the PCIe PHY has its own register region, thus we
need to add the corresponding code in rcar_pcie_hw_init_gen3() and call
devm_phy_optional_get() at the driver's probing time, so that the
existing R-Car gen3 device trees (not having a PHY node) would still
work (we only need to power up the PHY on R-Car V3H).

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Rob Herring <robh@kernel.org>
2018-05-04 10:21:15 +01:00
Rob Herring
304a39b4bc dt-bindings: more status property removal from examples
Whack-a-mole some more occurrences of status in examples.

Acked-by: Vinod Koul <vinod.koul@intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Brian Norris <computersforpeace@gmail.com>
Cc: Boris Brezillon <boris.brezillon@bootlin.com>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Tanmay Inamdar <tinamdar@apm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2018-04-18 08:56:22 -05:00
Bjorn Helgaas
df25d407af Merge branch 'lorenzo/pci/rcar'
* lorenzo/pci/rcar:
  dt-bindings: PCI: rcar: Add device tree support for r8a7743
  PCI: rcar-gen2: Remove duplicated bit-wise or of RCAR_PCI_INT_SIGRETABORT
2018-04-04 13:28:52 -05:00
Bjorn Helgaas
11ee090552 Merge branch 'lorenzo/pci/mediatek'
* lorenzo/pci/mediatek:
  dt-bindings: PCI: MediaTek: fix dtc warnings
2018-04-04 13:28:51 -05:00
Gregory CLEMENT
2435cdd0c3 PCI: armada8k: Fix clock resource by adding a register clock
On Armada 7K/8K we need to explicitly enable the register clock. This
clock is optional because not all the SoCs using this IP need it but at
least for Armada 7K/8K it is actually mandatory.

The binding documentation is updated accordingly.

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
2018-03-08 15:23:47 +00:00
Shawn Guo
58dfb24349 PCI: histb: Add an optional regulator for PCIe port power control
The power supplies to PCIe port are often controlled by GPIO on some board
designs.  Let's add an optional regulator which can be backed by GPIO to
control the power.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
2018-03-07 16:24:27 +00:00
Srinivas Kandagatla
f625b1ade2 PCI: qcom: Add missing supplies required for msm8996
This patch adds supplies that are required for msm8996. vdda
is analog supply that go in to controller, and vddpe_3v3 is
supply to PCIe endpoint.

Without these supplies PCIe endpoints which require power supplies are
not enumerated at all, as there is no one to power it up.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Reviewed-by: Rob Herring <robh@kernel.org>
2018-03-07 16:24:26 +00:00
Biju Das
2380ca5f1f dt-bindings: PCI: rcar: Add device tree support for r8a7743
Add support for r8a7743. The Renesas RZ/G1M(R8A7743)PCIe controller
is identical to the R-Car Gen2 family.

No driver change is needed due to the fallback compatible value
"renesas,pcie-rcar-gen2".
Adding the SoC-specific compatible values here has three purposes:
1. Document which SoCs have this hardware module,
2. Allow checkpatch to validate compatible values.
3. Allow the driver to support SoC specific implementations in future
   as necessary.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
2018-03-06 17:34:46 +00:00
Ryder Lee
af7b9b7983 dt-bindings: PCI: MediaTek: fix dtc warnings
dtc recently added PCI bus checks. Fix these warnings:

Warning (pci_bridge): Node /pcie@1a140000/pcie@0,0 missing bus-range for PCI bridge
Warning (pci_bridge): Node /pcie@1a140000/pcie@1,0 missing bus-range for PCI bridge
Warning (pci_bridge): Node /pcie@1a140000/pcie@2,0 missing bus-range for PCI bridge
Warning (unit_address_format): Failed prerequisite 'pci_bridge'
Warning (pci_device_reg): Failed prerequisite 'pci_bridge'
Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
2018-03-01 14:43:28 +00:00
Linus Torvalds
105cf3c8c6 pci-v4.16-changes
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Merge tag 'pci-v4.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:

 - skip AER driver error recovery callbacks for correctable errors
   reported via ACPI APEI, as we already do for errors reported via the
   native path (Tyler Baicar)

 - fix DPC shared interrupt handling (Alex Williamson)

 - print full DPC interrupt number (Keith Busch)

 - enable DPC only if AER is available (Keith Busch)

 - simplify DPC code (Bjorn Helgaas)

 - calculate ASPM L1 substate parameter instead of hardcoding it (Bjorn
   Helgaas)

 - enable Latency Tolerance Reporting for ASPM L1 substates (Bjorn
   Helgaas)

 - move ASPM internal interfaces out of public header (Bjorn Helgaas)

 - allow hot-removal of VGA devices (Mika Westerberg)

 - speed up unplug and shutdown by assuming Thunderbolt controllers
   don't support Command Completed events (Lukas Wunner)

 - add AtomicOps support for GPU and Infiniband drivers (Felix Kuehling,
   Jay Cornwall)

 - expose "ari_enabled" in sysfs to help NIC naming (Stuart Hayes)

 - clean up PCI DMA interface usage (Christoph Hellwig)

 - remove PCI pool API (replaced with DMA pool) (Romain Perier)

 - deprecate pci_get_bus_and_slot(), which assumed PCI domain 0 (Sinan
   Kaya)

 - move DT PCI code from drivers/of/ to drivers/pci/ (Rob Herring)

 - add PCI-specific wrappers for dev_info(), etc (Frederick Lawler)

 - remove warnings on sysfs mmap failure (Bjorn Helgaas)

 - quiet ROM validation messages (Alex Deucher)

 - remove redundant memory alloc failure messages (Markus Elfring)

 - fill in types for compile-time VGA and other I/O port resources
   (Bjorn Helgaas)

 - make "pci=pcie_scan_all" work for Root Ports as well as Downstream
   Ports to help AmigaOne X1000 (Bjorn Helgaas)

 - add SPDX tags to all PCI files (Bjorn Helgaas)

 - quirk Marvell 9128 DMA aliases (Alex Williamson)

 - quirk broken INTx disable on Ceton InfiniTV4 (Bjorn Helgaas)

 - fix CONFIG_PCI=n build by adding dummy pci_irqd_intx_xlate() (Niklas
   Cassel)

 - use DMA API to get MSI address for DesignWare IP (Niklas Cassel)

 - fix endpoint-mode DMA mask configuration (Kishon Vijay Abraham I)

 - fix ARTPEC-6 incorrect IS_ERR() usage (Wei Yongjun)

 - add support for ARTPEC-7 SoC (Niklas Cassel)

 - add endpoint-mode support for ARTPEC (Niklas Cassel)

 - add Cadence PCIe host and endpoint controller driver (Cyrille
   Pitchen)

 - handle multiple INTx status bits being set in dra7xx (Vignesh R)

 - translate dra7xx hwirq range to fix INTD handling (Vignesh R)

 - remove deprecated Exynos PHY initialization code (Jaehoon Chung)

 - fix MSI erratum workaround for HiSilicon Hip06/Hip07 (Dongdong Liu)

 - fix NULL pointer dereference in iProc BCMA driver (Ray Jui)

 - fix Keystone interrupt-controller-node lookup (Johan Hovold)

 - constify qcom driver structures (Julia Lawall)

 - rework Tegra config space mapping to increase space available for
   endpoints (Vidya Sagar)

 - simplify Tegra driver by using bus->sysdata (Manikanta Maddireddy)

 - remove PCI_REASSIGN_ALL_BUS usage on Tegra (Manikanta Maddireddy)

 - add support for Global Fabric Manager Server (GFMS) event to
   Microsemi Switchtec switch driver (Logan Gunthorpe)

 - add IDs for Switchtec PSX 24xG3 and PSX 48xG3 (Kelvin Cao)

* tag 'pci-v4.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (140 commits)
  PCI: cadence: Add EndPoint Controller driver for Cadence PCIe controller
  dt-bindings: PCI: cadence: Add DT bindings for Cadence PCIe endpoint controller
  PCI: endpoint: Fix EPF device name to support multi-function devices
  PCI: endpoint: Add the function number as argument to EPC ops
  PCI: cadence: Add host driver for Cadence PCIe controller
  dt-bindings: PCI: cadence: Add DT bindings for Cadence PCIe host controller
  PCI: Add vendor ID for Cadence
  PCI: Add generic function to probe PCI host controllers
  PCI: generic: fix missing call of pci_free_resource_list()
  PCI: OF: Add generic function to parse and allocate PCI resources
  PCI: Regroup all PCI related entries into drivers/pci/Makefile
  PCI/DPC: Reformat DPC register definitions
  PCI/DPC: Add and use DPC Status register field definitions
  PCI/DPC: Squash dpc_rp_pio_get_info() into dpc_process_rp_pio_error()
  PCI/DPC: Remove unnecessary RP PIO register structs
  PCI/DPC: Push dpc->rp_pio_status assignment into dpc_rp_pio_get_info()
  PCI/DPC: Squash dpc_rp_pio_print_error() into dpc_rp_pio_get_info()
  PCI/DPC: Make RP PIO log size check more generic
  PCI/DPC: Rename local "status" to "dpc_status"
  PCI/DPC: Squash dpc_rp_pio_print_tlp_header() into dpc_rp_pio_print_error()
  ...
2018-02-06 09:59:40 -08:00
Bjorn Helgaas
16093362d6 Merge remote-tracking branch 'lorenzo/pci/dwc' into next
* lorenzo/pci/dwc:
  PCI: exynos: Fix a potential init_clk_resources NULL pointer dereference
  PCI: iproc: Fix NULL pointer dereference for BCMA
  PCI: dra7xx: Iterate over INTx status bits
  PCI: dra7xx: Fix legacy INTD IRQ handling
  PCI: qcom: Account for const type of of_device_id.data
  PCI: dwc: artpec6: Fix return value check in artpec6_add_pcie_ep()
  PCI: exynos: Remove deprecated PHY initialization code
  PCI: dwc: artpec6: Add support for the ARTPEC-7 SoC
  bindings: PCI: artpec: Add support for the ARTPEC-7 SoC
  PCI: dwc: artpec6: Deassert the core before waiting for PHY
  PCI: dwc: Make cpu_addr_fixup take struct dw_pcie as argument
  PCI: dwc: artpec6: Add support for endpoint mode
  bindings: PCI: artpec: Add support for endpoint mode
  PCI: dwc: artpec6: Split artpec6_pcie_establish_link() into smaller functions
  PCI: dwc: artpec6: Use BIT and GENMASK macros
  PCI: dwc: artpec6: Remove unused defines
  PCI: dwc: dra7xx: Help compiler to remove unused code
  PCI: dwc: dra7xx: Assign pp->ops in dra7xx_add_pcie_port() rather than in probe
  PCI: dwc: dra7xx: Refactor Kconfig and Makefile handling for host/ep mode
  PCI: designware-ep: Add generic function for raising MSI irq
  PCI: designware-ep: Remove static keyword from dw_pcie_ep_reset_bar()
  PCI: designware-ep: Pre-allocate memory for MSI in dw_pcie_ep_init
  PCI: designware-ep: Read-only registers need DBI_RO_WR_EN to be writable
  PCI: designware-ep: dw_pcie_ep_set_msi() should only set MMC bits
  PCI: dwc: Use the DMA-API to get the MSI address
  pci: dwc: pci-dra7xx: Make shutdown handler static

Includes resolution to conflict between:

  4494738de0d9 ("PCI: endpoint: Add the function number as argument to EPC ops")
  6f6d7873711c ("PCI: designware-ep: Add generic function for raising MSI irq")

The resolution is due to Niklas Cassel <niklas.cassel@axis.com>:
https://lkml.kernel.org/r/20180201085608.GA22568@axis.com
2018-02-01 11:36:07 -06:00
Cyrille Pitchen
6618f4d3f5 dt-bindings: PCI: cadence: Add DT bindings for Cadence PCIe endpoint controller
This patch documents the DT bindings for the Cadence PCIe controller
when configured in endpoint mode.

Signed-off-by: Cyrille Pitchen <cyrille.pitchen@free-electrons.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
2018-01-31 11:10:55 +00:00
Scott Telford
2040fae4b2 dt-bindings: PCI: cadence: Add DT bindings for Cadence PCIe host controller
This patch adds documentation for the DT bindings of the Cadence PCIe
controller when configured in host (Root Complex) mode.

Signed-off-by: Scott Telford <stelford@cadence.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@free-electrons.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
2018-01-31 11:10:10 +00:00
Jaehoon Chung
83f4f3f63b PCI: exynos: Remove deprecated PHY initialization code
Exynos platforms have a PCI PHY driver in the PHY framework that can be
used by the PCI host bridge drivers to initialize and manage the PHY.

Remove the deprecated PHY initialization code in the Exynos PCI host
bridge driver by updating the driver to use the PHY framework API;
modify the DT binding documentation accordingly.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
2018-01-02 16:27:52 +00:00
Fabio Estevam
62ce85a85e dt-bindings: imx6q-pcie: Add required property for i.MX6SX
i.MX6SX needs a PCI 'power-domains' entry, so add it to its required
properties section.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2017-12-26 18:08:06 -06:00
Niklas Cassel
4c3f9e9cfe bindings: PCI: artpec: Add support for the ARTPEC-7 SoC
Add support for the ARTPEC-7 SoC in the artpec6 driver.
The ARTPEC-6 SoC and the ARTPEC-7 SoC are very similar.
Unfortunately, some fields in the PCIECFG and PCIESTAT
register have changed.

Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
2017-12-21 11:10:35 +00:00
Niklas Cassel
dff9cba6f8 bindings: PCI: artpec: Add support for endpoint mode
The PCIe controller integrated in ARTPEC-6 SoCs is capable of operating in
endpoint mode. Add endpoint mode support to the artpec6 driver.

Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
2017-12-21 11:10:33 +00:00
Mathieu Malaterre
4c9847b737 dt-bindings: Remove leading 0x from bindings notation
Improve the binding example by removing all the leading 0x to fix the
following dtc warnings:

Warning (unit_address_format): Node /XXX unit name should not have leading "0x"

Converted using the following command:

find Documentation/devicetree/bindings -name "*.txt" -exec sed -i -e 's/([^ ])\@0x([0-9a-f])/$1\@$2/g' {} +

This is a follow up to commit 48c926cd3414

Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2017-12-06 14:56:33 -06:00
Linus Torvalds
1b6115fbe3 pci-v4.15-changes
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Merge tag 'pci-v4.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:

  - detach driver before tearing down procfs/sysfs (Alex Williamson)

  - disable PCIe services during shutdown (Sinan Kaya)

  - fix ASPM oops on systems with no Root Ports (Ard Biesheuvel)

  - fix ASPM LTR_L1.2_THRESHOLD programming (Bjorn Helgaas)

  - fix ASPM Common_Mode_Restore_Time computation (Bjorn Helgaas)

  - fix portdrv MSI/MSI-X vector allocation (Dongdong Liu, Bjorn
    Helgaas)

  - report non-fatal AER errors only to the affected endpoint (Gabriele
    Paoloni)

  - distribute bus numbers, MMIO, and I/O space among hotplug bridges to
    allow more devices to be hot-added (Mika Westerberg)

  - fix pciehp races during initialization and surprise link down (Mika
    Westerberg)

  - handle surprise-removed devices in PME handling (Qiang)

  - support resizable BARs for large graphics devices (Christian König)

  - expose SR-IOV offset, stride, and VF device ID via sysfs (Filippo
    Sironi)

  - create SR-IOV virtfn/physfn sysfs links before attaching driver
    (Stuart Hayes)

  - fix SR-IOV "ARI Capable Hierarchy" restore issue (Tony Nguyen)

  - enforce Kconfig IOV/REALLOC dependency (Sascha El-Sharkawy)

  - avoid slot reset if bridge itself is broken (Jan Glauber)

  - clean up pci_reset_function() path (Jan H. Schönherr)

  - make pci_map_rom() fail if the option ROM is invalid (Changbin Du)

  - convert timers to timer_setup() (Kees Cook)

  - move PCI_QUIRKS to PCI bus Kconfig menu (Randy Dunlap)

  - constify pci_dev_type and intel_mid_pci_ops (Bhumika Goyal)

  - remove unnecessary pci_dev, pci_bus, resource, pcibios_set_master()
    declarations (Bjorn Helgaas)

  - fix endpoint framework overflows and BUG()s (Dan Carpenter)

  - fix endpoint framework issues (Kishon Vijay Abraham I)

  - avoid broken Cavium CN8xxx bus reset behavior (David Daney)

  - extend Cavium ACS capability quirks (Vadim Lomovtsev)

  - support Synopsys DesignWare RC in ECAM mode (Ard Biesheuvel)

  - turn off dra7xx clocks cleanly on shutdown (Keerthy)

  - fix Faraday probe error path (Wei Yongjun)

  - support HiSilicon STB SoC PCIe host controller (Jianguo Sun)

  - fix Hyper-V interrupt affinity issue (Dexuan Cui)

  - remove useless ACPI warning for Hyper-V pass-through devices (Vitaly
    Kuznetsov)

  - support multiple MSI on iProc (Sandor Bodo-Merle)

  - support Layerscape LS1012a and LS1046a PCIe host controllers (Hou
    Zhiqiang)

  - fix Layerscape default error response (Minghuan Lian)

  - support MSI on Tango host controller (Marc Gonzalez)

  - support Tegra186 PCIe host controller (Manikanta Maddireddy)

  - use generic accessors on Tegra when possible (Thierry Reding)

  - support V3 Semiconductor PCI host controller (Linus Walleij)

* tag 'pci-v4.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (85 commits)
  PCI/ASPM: Add L1 Substates definitions
  PCI/ASPM: Reformat ASPM register definitions
  PCI/ASPM: Use correct capability pointer to program LTR_L1.2_THRESHOLD
  PCI/ASPM: Account for downstream device's Port Common_Mode_Restore_Time
  PCI: xgene: Rename xgene_pcie_probe_bridge() to xgene_pcie_probe()
  PCI: xilinx: Rename xilinx_pcie_link_is_up() to xilinx_pcie_link_up()
  PCI: altera: Rename altera_pcie_link_is_up() to altera_pcie_link_up()
  PCI: Fix kernel-doc build warning
  PCI: Fail pci_map_rom() if the option ROM is invalid
  PCI: Move pci_map_rom() error path
  PCI: Move PCI_QUIRKS to the PCI bus menu
  alpha/PCI: Make pdev_save_srm_config() static
  PCI: Remove unused declarations
  PCI: Remove redundant pci_dev, pci_bus, resource declarations
  PCI: Remove redundant pcibios_set_master() declarations
  PCI/PME: Handle invalid data when reading Root Status
  PCI: hv: Use effective affinity mask
  PCI: pciehp: Do not clear Presence Detect Changed during initialization
  PCI: pciehp: Fix race condition handling surprise link down
  PCI: Distribute available resources to hotplug-capable bridges
  ...
2017-11-15 15:01:28 -08:00
Bjorn Helgaas
e9cd973f2b Merge branch 'pci/host-v3-semi' into next
* pci/host-v3-semi:
  PCI: v3-semi: Add V3 Semiconductor PCI host driver
  PCI: v3: Update the device tree bindings
2017-11-14 12:11:37 -06:00
Bjorn Helgaas
d238be6957 Merge branch 'pci/host-tegra' into next
* pci/host-tegra:
  PCI: tegra: Add Tegra186 PCIe support
  dt-bindings: pci: tegra: Document Tegra186 PCIe DT
  PCI: tegra: Use generic accessors where possible
2017-11-14 12:11:35 -06:00
Bjorn Helgaas
9ff950304d Merge branch 'pci/host-rcar' into next
* pci/host-rcar:
  dt-bindings: PCI: rcar: Correct example to match reality
2017-11-14 12:11:34 -06:00
Bjorn Helgaas
89000e89bf Merge branch 'pci/host-layerscape' into next
* pci/host-layerscape:
  PCI: layerscape: Change default error response behavior
  PCI: Disable MSI for Freescale Layerscape PCIe RC mode
  arm64: dts: ls1046a: Add PCIe controller DT nodes
  arm64: dts: ls1012a: Add PCIe controller DT node
  PCI: layerscape: Add support for ls1012a
  arm64: dts: ls1012a: Add MSI controller DT node
  irqchip/ls-scfg-msi: Add LS1012a MSI support
2017-11-14 12:11:33 -06:00
Bjorn Helgaas
22111ff4d7 Merge branch 'pci/host-hisi' into next
* pci/host-hisi:
  PCI: hisi: Add HiSilicon STB SoC PCIe controller driver
2017-11-14 12:11:31 -06:00
Marco Franchi
48c926cd34 dt-bindings: Remove leading zeros from bindings notation
Improve the binding example by removing all the leading zeros to fix the
following dtc warnings:

Warning (unit_address_format): Node /XXX unit name should not have leading 0s

Converted using the following command:

perl -p -i -e 's/\@0+([0-9a-f])/\@$1/g' `find ./Documentation/devicetree/bindings "*.txt"`

Some unnecessary changes were manually fixed.

Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2017-11-09 17:05:05 -06:00
Jianguo Sun
bbd11bddb3 PCI: hisi: Add HiSilicon STB SoC PCIe controller driver
Add a HiSilicon STB SoC PCIe controller driver.  This controller is based
on the DesignWare PCIe core.

Signed-off-by: Jianguo Sun <sunjianguo1@huawei.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-10-24 14:48:20 -05:00
Geert Uytterhoeven
f6755643d6 dt-bindings: PCI: rcar: Correct example to match reality
Correct the USB subnodes in the example, as in f7d569c1e6a6 ("ARM: dts:
r8a779x: Fix PCI bus dtc warnings").
  1. Drop the bogus 'device_type = "pci"' properties,
  2. Correct the unit addresses.

Update other bits in the example to match real use:
  1. Rename the USB subnodes from "pci" to "usb",
  2. Update the "phys" property.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Rob Herring <robh@kernel.org>
2017-10-20 12:25:58 -05:00
Manikanta Maddireddy
904fb8e452 dt-bindings: pci: tegra: Document Tegra186 PCIe DT
Tegra186 PCIe controller DT properties has couple of differences wrt
Tegra210 PCIe, rest of the DT properties are same.

Tested-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
2017-10-18 11:23:06 -05:00
Hou Zhiqiang
a335b122ba PCI: layerscape: Add support for ls1012a
Add support for ls1012a.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Minghuan Lian <minghuan.Lian@nxp.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
2017-10-12 11:25:11 -05:00
Ard Biesheuvel
19f3f22aad dt-bindings: PCI: designware: Add binding for Designware PCIe in ECAM mode
Describe the binding for firmware-configured instances of the Synopsys
DesignWare PCIe controller in RC mode, that are almost but not quite ECAM
compliant.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
2017-10-09 19:11:28 -05:00
Linus Walleij
af37bed303 PCI: v3: Update the device tree bindings
The bindings for the V3 Semiconductor PCI bridge are a tad bit outdated and
predates the more formal format we have adopted for the bindings.

Update them a bit so it is easier to read, and add the Integrator AP-
specific compatible so we can detect that we are running on that specific
platform.

Add a second register bank for the configuration memory area. The device
tree specs do specify a memory range for configuration space but it is not
applicable to custom accessors like this. Instead follow the pattern from
the Versatile PCI adapter and simply add a second register bank for this
memory.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
2017-10-05 15:52:54 -05:00
Linus Torvalds
e90937e756 ARM: arm64: Devicetree updates for v4.14
As usual, device tree updates is the bulk of our material in this merge
 window. This time around, 559 patches affecting both 32- and 64-bit
 platforms.
 
 Changes are too many to list individually, but some of the larger ones:
 
 New platform/SoC support:
 
  - Automotive:
    + Renesas R-Car D3 (R8A77995)
    + TI DT76x
    + MediaTek mt2712e
  - Communication-oriented:
    + Qualcomm IPQ8074
    + Broadcom Stingray
    + Marvell Armada 8080
  - Set top box:
    + Uniphier PXs3
 
 Besides some vendor reference boards for the SoC above, there are also several
 new boards/machines:
 
  - TI AM335x Moxa UC-8100-ME-T open platform
  - TI AM57xx Beaglebone X15 Rev C
  - Microchip/Atmel sama5d27 SoM1 EK
  - Broadcom Raspberry Pi Zero W
  - Gemini-based D-Link DIR-685 router
  - Freescale i.MX6:
    + Toradex Apalis module + Apalis and Ixora carrier boards
    + Engicam GEAM6UL Starter Kit
  - Freescale i.MX53-based Beckhoff CX9020 Embedded PC
  - Mediatek mt7623-based BananaPi R2
  - Several Allwinner-based single-board computers:
   + Cubietruck plus
   + Bananapi M3, M2M and M64
   + NanoPi A64
   + A64-OLinuXino
   + Pine64
  - Rockchip RK3328 Pine64/Rock64 board support
  - Rockchip RK3399 boards:
   + RK3399 Sapphire module on Excavator carrier (RK3399 reference design)
   + Theobroma Systems RK3399-Q7 SoM
  - ZTE ZX296718 PCBOX Board
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Merge tag 'armsoc-devicetree' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM/arm64 Devicetree updates from Olof Johansson:
 "As usual, device tree updates is the bulk of our material in this
  merge window. This time around, 559 patches affecting both 32- and
  64-bit platforms.

  Changes are too many to list individually, but some of the larger
  ones:

  New platform/SoC support:

   - Automotive:
     + Renesas R-Car D3 (R8A77995)
     + TI DT76x
     + MediaTek mt2712e
   - Communication-oriented:
     + Qualcomm IPQ8074
     + Broadcom Stingray
     + Marvell Armada 8080
   - Set top box:
     + Uniphier PXs3

  Besides some vendor reference boards for the SoC above, there are also
  several new boards/machines:

   - TI AM335x Moxa UC-8100-ME-T open platform
   - TI AM57xx Beaglebone X15 Rev C
   - Microchip/Atmel sama5d27 SoM1 EK
   - Broadcom Raspberry Pi Zero W
   - Gemini-based D-Link DIR-685 router
   - Freescale i.MX6:
     + Toradex Apalis module + Apalis and Ixora carrier boards
     + Engicam GEAM6UL Starter Kit
   - Freescale i.MX53-based Beckhoff CX9020 Embedded PC
   - Mediatek mt7623-based BananaPi R2
   - Several Allwinner-based single-board computers:
  + Cubietruck plus
  + Bananapi M3, M2M and M64
  + NanoPi A64
  + A64-OLinuXino
  + Pine64
   - Rockchip RK3328 Pine64/Rock64 board support
   - Rockchip RK3399 boards:
  + RK3399 Sapphire module on Excavator carrier (RK3399 reference design)
  + Theobroma Systems RK3399-Q7 SoM
   - ZTE ZX296718 PCBOX Board"

* tag 'armsoc-devicetree' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (559 commits)
  ARM: dts: at91: at91sam9g45: add AC97
  arm64: dts: marvell: mcbin: enable more networking ports
  arm64: dts: marvell: add a reference to the sysctrl syscon in the ppv2 node
  arm64: dts: marvell: add TX interrupts for PPv2.2
  arm64: dts: uniphier: add PXs3 SoC support
  ARM: dts: uniphier: add pinctrl groups of ethernet phy mode
  ARM: dts: uniphier: fix size of sdctrl nodes
  ARM: dts: uniphier: add AIDET nodes
  arm64: dts: uniphier: fix size of sdctrl node
  arm64: dts: uniphier: add AIDET nodes
  Revert "ARM: dts: sun8i: h3: Enable dwmac-sun8i on the Beelink X2"
  arm64: dts: uniphier: add reset controller node of analog amplifier
  arm64: dts: marvell: add Device Tree files for Armada-8KP
  arm64: dts: rockchip: add Haikou baseboard with RK3399-Q7 SoM
  arm64: dts: rockchip: add RK3399-Q7 (Puma) SoM
  dt-bindings: add rk3399-q7 SoM
  ARM: dts: rockchip: enable usb for rv1108-evb
  ARM: dts: rockchip: add usb nodes for rv1108 SoCs
  dt-bindings: update grf-binding for rv1108 SoCs
  ARM: dts: aspeed-g4: fix AHB window size of the SMC controllers
  ...
2017-09-10 20:54:48 -07:00
Linus Torvalds
0d519f2d1e pci-v4.14-changes
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Merge tag 'pci-v4.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:

 - add enhanced Downstream Port Containment support, which prints more
   details about Root Port Programmed I/O errors (Dongdong Liu)

 - add Layerscape ls1088a and ls2088a support (Hou Zhiqiang)

 - add MediaTek MT2712 and MT7622 support (Ryder Lee)

 - add MediaTek MT2712 and MT7622 MSI support (Honghui Zhang)

 - add Qualcom IPQ8074 support (Varadarajan Narayanan)

 - add R-Car r8a7743/5 device tree support (Biju Das)

 - add Rockchip per-lane PHY support for better power management (Shawn
   Lin)

 - fix IRQ mapping for hot-added devices by replacing the
   pci_fixup_irqs() boot-time design with a host bridge hook called at
   probe-time (Lorenzo Pieralisi, Matthew Minter)

 - fix race when enabling two devices that results in upstream bridge
   not being enabled correctly (Srinath Mannam)

 - fix pciehp power fault infinite loop (Keith Busch)

 - fix SHPC bridge MSI hotplug events by enabling bus mastering
   (Aleksandr Bezzubikov)

 - fix a VFIO issue by correcting PCIe capability sizes (Alex
   Williamson)

 - fix an INTD issue on Xilinx and possibly other drivers by unifying
   INTx IRQ domain support (Paul Burton)

 - avoid IOMMU stalls by marking AMD Stoney GPU ATS as broken (Joerg
   Roedel)

 - allow APM X-Gene device assignment to guests by adding an ACS quirk
   (Feng Kan)

 - fix driver crashes by disabling Extended Tags on Broadcom HT2100
   (Extended Tags support is required for PCIe Receivers but not
   Requesters, and we now enable them by default when Requesters support
   them) (Sinan Kaya)

 - fix MSIs for devices that use phantom RIDs for DMA by assuming MSIs
   use the real Requester ID (not a phantom RID) (Robin Murphy)

 - prevent assignment of Intel VMD children to guests (which may be
   supported eventually, but isn't yet) by not associating an IOMMU with
   them (Jon Derrick)

 - fix Intel VMD suspend/resume by releasing IRQs on suspend (Scott
   Bauer)

 - fix a Function-Level Reset issue with Intel 750 NVMe by waiting
   longer (up to 60sec instead of 1sec) for device to become ready
   (Sinan Kaya)

 - fix a Function-Level Reset issue on iProc Stingray by working around
   hardware defects in the CRS implementation (Oza Pawandeep)

 - fix an issue with Intel NVMe P3700 after an iProc reset by adding a
   delay during shutdown (Oza Pawandeep)

 - fix a Microsoft Hyper-V lockdep issue by polling instead of blocking
   in compose_msi_msg() (Stephen Hemminger)

 - fix a wireless LAN driver timeout by clearing DesignWare MSI
   interrupt status after it is handled, not before (Faiz Abbas)

 - fix DesignWare ATU enable checking (Jisheng Zhang)

 - reduce Layerscape dependencies on the bootloader by doing more
   initialization in the driver (Hou Zhiqiang)

 - improve Intel VMD performance allowing allocation of more IRQ vectors
   than present CPUs (Keith Busch)

 - improve endpoint framework support for initial DMA mask, different
   BAR sizes, configurable page sizes, MSI, test driver, etc (Kishon
   Vijay Abraham I, Stan Drozd)

 - rework CRS support to add periodic messages while we poll during
   enumeration and after Function-Level Reset and prepare for possible
   other uses of CRS (Sinan Kaya)

 - clean up Root Port AER handling by removing unnecessary code and
   moving error handler methods to struct pcie_port_service_driver
   (Christoph Hellwig)

 - clean up error handling paths in various drivers (Bjorn Andersson,
   Fabio Estevam, Gustavo A. R. Silva, Harunobu Kurokawa, Jeffy Chen,
   Lorenzo Pieralisi, Sergei Shtylyov)

 - clean up SR-IOV resource handling by disabling VF decoding before
   updating the corresponding resource structs (Gavin Shan)

 - clean up DesignWare-based drivers by unifying quirks to update Class
   Code and Interrupt Pin and related handling of write-protected
   registers (Hou Zhiqiang)

 - clean up by adding empty generic pcibios_align_resource() and
   pcibios_fixup_bus() and removing empty arch-specific implementations
   (Palmer Dabbelt)

 - request exclusive reset control for several drivers to allow cleanup
   elsewhere (Philipp Zabel)

 - constify various structures (Arvind Yadav, Bhumika Goyal)

 - convert from full_name() to %pOF (Rob Herring)

 - remove unused variables from iProc, HiSi, Altera, Keystone (Shawn
   Lin)

* tag 'pci-v4.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (170 commits)
  PCI: xgene: Clean up whitespace
  PCI: xgene: Define XGENE_PCI_EXP_CAP and use generic PCI_EXP_RTCTL offset
  PCI: xgene: Fix platform_get_irq() error handling
  PCI: xilinx-nwl: Fix platform_get_irq() error handling
  PCI: rockchip: Fix platform_get_irq() error handling
  PCI: altera: Fix platform_get_irq() error handling
  PCI: spear13xx: Fix platform_get_irq() error handling
  PCI: artpec6: Fix platform_get_irq() error handling
  PCI: armada8k: Fix platform_get_irq() error handling
  PCI: dra7xx: Fix platform_get_irq() error handling
  PCI: exynos: Fix platform_get_irq() error handling
  PCI: iproc: Clean up whitespace
  PCI: iproc: Rename PCI_EXP_CAP to IPROC_PCI_EXP_CAP
  PCI: iproc: Add 500ms delay during device shutdown
  PCI: Fix typos and whitespace errors
  PCI: Remove unused "res" variable from pci_resource_io()
  PCI: Correct kernel-doc of pci_vpd_srdt_size(), pci_vpd_srdt_tag()
  PCI/AER: Reformat AER register definitions
  iommu/vt-d: Prevent VMD child devices from being remapping targets
  x86/PCI: Use is_vmd() rather than relying on the domain number
  ...
2017-09-08 15:47:43 -07:00
Bjorn Helgaas
27e87395ae Merge branch 'pci/trivial' into next
* pci/trivial:
  PCI: Fix typos and whitespace errors
  PCI: Remove unused "res" variable from pci_resource_io()
  PCI: Correct kernel-doc of pci_vpd_srdt_size(), pci_vpd_srdt_tag()
2017-09-07 13:24:20 -05:00
Bjorn Helgaas
68e8fa46d1 Merge branch 'pci/host-rockchip' into next
* pci/host-rockchip:
  PCI: rockchip: Fix platform_get_irq() error handling
  PCI: rockchip: Umap IO space if probe fails
  PCI: rockchip: Remove IRQ domain if probe fails
  PCI: rockchip: Disable vpcie0v9 if resume_noirq fails
  PCI: rockchip: Clean up PHY if driver probe or resume fails
  PCI: rockchip: Factor out rockchip_pcie_deinit_phys()
  PCI: rockchip: Factor out rockchip_pcie_disable_clocks()
  PCI: rockchip: Factor out rockchip_pcie_enable_clocks()
  PCI: rockchip: Factor out rockchip_pcie_setup_irq()
  PCI: rockchip: Use gpiod_set_value_cansleep() to allow reset via expanders
  PCI: rockchip: Use PCI_NUM_INTX
  PCI: rockchip: Explicitly request exclusive reset control
  dt-bindings: phy-rockchip-pcie: Convert to per-lane PHY model
  dt-bindings: PCI: rockchip: Convert to per-lane PHY model
  arm64: dts: rockchip: convert PCIe to use per-lane PHYs for rk3339
  PCI: rockchip: Idle inactive PHY(s)
  phy: rockchip-pcie: Reconstruct driver to support per-lane PHYs
  PCI: rockchip: Add per-lane PHY support
  PCI: rockchip: Factor out rockchip_pcie_get_phys()
  PCI: rockchip: Control optional 12v power supply
  dt-bindings: PCI: rockchip: Add vpcie12v-supply for Rockchip PCIe controller
2017-09-07 13:24:07 -05:00
Bjorn Helgaas
3d499a955a Merge branch 'pci/host-rcar' into next
* pci/host-rcar:
  PCI: rcar: Add device tree support for r8a7743/5
  PCI: rcar: Fix memory leak when no PCIe card is inserted
  PCI: rcar: Fix error exit path
2017-09-07 13:24:05 -05:00
Bjorn Helgaas
cb9d4f0031 Merge branch 'pci/host-qcom' into next
* pci/host-qcom:
  PCI: qcom: Add support for IPQ8074 PCIe controller
  dt-bindings: PCI: qcom: Add support for IPQ8074
  PCI: qcom: Use block IP version for operations
  PCI: qcom: Explicitly request exclusive reset control
  PCI: qcom: Use gpiod_set_value_cansleep() to allow reset via expanders
2017-09-07 13:24:05 -05:00