Pull PCI fixes from Bjorn Helgaas: - fix PCI_ENDPOINT build error (merged for v4.12) - fix Switchtec driver (merged for v4.12) - fix imx6 config read timeouts, fallout from changing to non-postable reads - add PM "needs_resume" flag for i915 suspend issue * tag 'pci-v4.12-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: 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
We need to return an error for any call that asks for MSI / MSI-X
vectors only, so that non-trivial fallback logic can work properly.
Also valid dev->irq and use the "correct" errno value based on feedback
from Linus.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Steven Rostedt <rostedt@goodmis.org>
Fixes: aff17164 ("PCI: Provide sensible IRQ vector alloc/free routines")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Some drivers - like i915 - may not support the system suspend direct complete optimization due to differences in their runtime and system suspend sequence. Add a flag that when set resumes the device before calling the driver's system suspend handlers which effectively disables the optimization. Needed by a future patch fixing suspend/resume on i915. Suggested by Rafael. Signed-off-by: Imre Deak <imre.deak@intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: stable@vger.kernel.org
Pull PCI updates from Bjorn Helgaas: - add framework for supporting PCIe devices in Endpoint mode (Kishon Vijay Abraham I) - use non-postable PCI config space mappings when possible (Lorenzo Pieralisi) - clean up and unify mmap of PCI BARs (David Woodhouse) - export and unify Function Level Reset support (Christoph Hellwig) - avoid FLR for Intel 82579 NICs (Sasha Neftin) - add pci_request_irq() and pci_free_irq() helpers (Christoph Hellwig) - short-circuit config access failures for disconnected devices (Keith Busch) - remove D3 sleep delay when possible (Adrian Hunter) - freeze PME scan before suspending devices (Lukas Wunner) - stop disabling MSI/MSI-X in pci_device_shutdown() (Prarit Bhargava) - disable boot interrupt quirk for ASUS M2N-LR (Stefan Assmann) - add arch-specific alignment control to improve device passthrough by avoiding multiple BARs in a page (Yongji Xie) - add sysfs sriov_drivers_autoprobe to control VF driver binding (Bodong Wang) - allow slots below PCI-to-PCIe "reverse bridges" (Bjorn Helgaas) - fix crashes when unbinding host controllers that don't support removal (Brian Norris) - add driver for MicroSemi Switchtec management interface (Logan Gunthorpe) - add driver for Faraday Technology FTPCI100 host bridge (Linus Walleij) - add i.MX7D support (Andrey Smirnov) - use generic MSI support for Aardvark (Thomas Petazzoni) - make Rockchip driver modular (Brian Norris) - advertise 128-byte Read Completion Boundary support for Rockchip (Shawn Lin) - advertise PCI_EXP_LNKSTA_SLC for Rockchip root port (Shawn Lin) - convert atomic_t to refcount_t in HV driver (Elena Reshetova) - add CPU IRQ affinity in HV driver (K. Y. Srinivasan) - fix PCI bus removal in HV driver (Long Li) - add support for ThunderX2 DMA alias topology (Jayachandran C) - add ThunderX pass2.x 2nd node MCFG quirk (Tomasz Nowicki) - add ITE 8893 bridge DMA alias quirk (Jarod Wilson) - restrict Cavium ACS quirk only to CN81xx/CN83xx/CN88xx devices (Manish Jaggi) * tag 'pci-v4.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (146 commits) PCI: Don't allow unbinding host controllers that aren't prepared ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP MAINTAINERS: Add PCI Endpoint maintainer Documentation: PCI: Add userguide for PCI endpoint test function tools: PCI: Add sample test script to invoke pcitest tools: PCI: Add a userspace tool to test PCI endpoint Documentation: misc-devices: Add Documentation for pci-endpoint-test driver misc: Add host side PCI driver for PCI test function device PCI: Add device IDs for DRA74x and DRA72x dt-bindings: PCI: dra7xx: Add DT bindings to enable unaligned access PCI: dwc: dra7xx: Workaround for errata id i870 dt-bindings: PCI: dra7xx: Add DT bindings for PCI dra7xx EP mode PCI: dwc: dra7xx: Add EP mode support PCI: dwc: dra7xx: Facilitate wrapper and MSI interrupts to be enabled independently dt-bindings: PCI: Add DT bindings for PCI designware EP mode PCI: dwc: designware: Add EP mode support Documentation: PCI: Add binding documentation for pci-test endpoint function ixgbe: Use pcie_flr() instead of duplicating it IB/hfi1: Use pcie_flr() instead of duplicating it PCI: imx6: Fix spelling mistake: "contol" -> "control" ...
Pull drm u pdates from Dave Airlie: "This is the main drm pull request for v4.12. Apart from two fixes pulls, everything should have been in drm-next for at least 2 weeks. The biggest thing in here is AMD released the public headers for their upcoming VEGA GPUs. These as always are quite a sizeable chunk of header files. They've also added initial non-display support for those GPUs, though they aren't available in production yet. Otherwise it's pretty much normal. New bridge drivers: - megachips-stdpxxxx-ge-b850v3-fw LVDS->DP++ - generic LVDS bridge support. Core: - Displayport link train failure reporting to userspace - debugfs interface cleaned up - subsystem TODO in kerneldoc now - Extended fbdev support (flipping and vblank wait) - drm_platform removed - EDP CRC support in helper - HF-VSDB SCDC support in EDID parser - Lots of code cleanups and header extraction - Thunderbolt external GPU awareness - Atomic helper improvements - Documentation improvements panel: - Sitronix and Samsung new panel support amdgpu: - Preliminary vega10 support - Multi-level page table support - GPU sensor support for userspace - PRT support for sparse buffers - SR-IOV improvements - Non-contig VRAM CPU mapping i915: - Atomic modesetting enabled by default on Gen5+ - LSPCON improvements - Atomic state handling for cdclk - GPU reset improvements - In-kernel unit tests - Geminilake improvements and color manager support - Designware i2c fixes - vblank evasion improvements - Hotplug safe connector iterators - GVT scheduler QoS support - GVT Kabylake support nouveau: - Acceleration support for Pascal (GP10x). - Rearchitecture of code handling proprietary signed firmware - Fix GTX 970 with odd MMU configuration - GP10B support - GP107 acceleration support vmwgfx: - Atomic modesetting support for vmwgfx omapdrm: - Support for render nodes - Refactor omapdss code - Fix some probe ordering issues - Fix too dark RGB565 rendering sunxi: - prelim rework for multiple pipes. mali-dp: - Color management support - Plane scaling - Power management improvements imx-drm: - Prefetch Resolve Engine/Gasket on i.MX6QP - Deferred plane disabling - Separate alpha support mediatek: - Mediatek SoC MT2701 support rcar-du: - Gen3 HDMI support msm: - 4k support for newer chips - OPP bindings for gpu - prep work for per-process pagetables vc4: - HDMI audio support - fixes qxl: - minor fixes. dw-hdmi: - PHY improvements - CSC fixes - Amlogic GX SoC support" * tag 'drm-for-v4.12' of git://people.freedesktop.org/~airlied/linux: (1778 commits) drm/nouveau/fb/gf100-: Fix 32 bit wraparound in new ram detection drm/nouveau/secboot/gm20b: fix the error return code in gm20b_secboot_tegra_read_wpr() drm/nouveau/kms: Increase max retries in scanout position queries. drm/nouveau/bios/bitP: check that table is long enough for optional pointers drm/nouveau/fifo/nv40: no ctxsw for pre-nv44 mpeg engine drm: mali-dp: use div_u64 for expensive 64-bit divisions drm/i915: Confirm the request is still active before adding it to the await drm/i915: Avoid busy-spinning on VLV_GLTC_PW_STATUS mmio drm/i915/selftests: Allocate inode/file dynamically drm/i915: Fix system hang with EI UP masked on Haswell drm/i915: checking for NULL instead of IS_ERR() in mock selftests drm/i915: Perform link quality check unconditionally during long pulse drm/i915: Fix use after free in lpe_audio_platdev_destroy() drm/i915: Use the right mapping_gfp_mask for final shmem allocation drm/i915: Make legacy cursor updates more unsynced drm/i915: Apply a cond_resched() to the saturated signaler drm/i915: Park the signaler before sleeping drm: mali-dp: Check the mclk rate and allow up/down scaling drm: mali-dp: Enable image enhancement when scaling drm: mali-dp: Add plane upscaling support ...
* pci/virtualization: ixgbe: Use pcie_flr() instead of duplicating it IB/hfi1: Use pcie_flr() instead of duplicating it PCI: Call pcie_flr() from reset_chelsio_generic_dev() PCI: Call pcie_flr() from reset_intel_82599_sfp_virtfn() PCI: Export pcie_flr() PCI: Add sysfs sriov_drivers_autoprobe to control VF driver binding PCI: Avoid FLR for Intel 82579 NICs Conflicts: include/linux/pci.h
* pci/resource-mmap: ia64: Use generic pci_mmap_resource_range() ia64: Remove redundant checks for WC in pci_mmap_page_range() ia64: Remove redundant valid_mmap_phys_addr_range() from pci_mmap_page_range() PCI: Add I/O BAR support to generic pci_mmap_resource_range() x86/PCI: Use generic pci_mmap_resource_range() unicore32/PCI: Use generic pci_mmap_resource_range() sh/PCI: Use generic pci_mmap_resource_range() parisc: Use generic pci_mmap_resource_range() mn10300/PCI: Use generic pci_mmap_resource_range() MIPS: PCI: Use generic pci_mmap_resource_range() cris/PCI: Use generic pci_mmap_resource_range() ARM/PCI: Use generic pci_mmap_resource_range() PCI: Add pci_mmap_resource_range() and use it for ARM64 PCI: Add BAR index argument to pci_mmap_page_range() PCI: Use BAR index in sysfs attr->private instead of resource pointer PCI: Add arch_can_pci_mmap_io() on architectures which can mmap() I/O space PCI: Move multiple declarations of pci_mmap_page_range() to <linux/pci.h> PCI: Add arch_can_pci_mmap_wc() macro xtensa/PCI: Do not mmap PCI BARs to userspace as write-through PCI: Only allow WC mmap on prefetchable resources PCI: Fix another sanity check bug in /proc/pci mmap PCI: Fix pci_mmap_fits() for HAVE_PCI_RESOURCE_TO_USER platforms
* pci/msi: PCI/MSI: Use dev_printk() when possible of/pci: Remove unused MSI controller helpers PCI: mvebu: Remove useless MSI enabling code PCI: aardvark: Move to MSI handling using generic MSI support PCI/MSI: Make pci_msi_shutdown() and pci_msix_shutdown() static PCI/MSI: Stop disabling MSI/MSI-X in pci_device_shutdown()
* pci/irq: PCI: Disable boot interrupt quirk for ASUS M2N-LR nvme/pci: Switch to pci_request_irq() PCI/irq: Add pci_request_irq() and pci_free_irq() helpers genirq: Return the IRQ name from free_irq() genirq: Fix indentation in remove_irq()
* pci/ioremap: PCI: versatile: Update PCI config space remap function PCI: keystone-dw: Update PCI config space remap function PCI: layerscape: Update PCI config space remap function PCI: hisi: Update PCI config space remap function PCI: tegra: Update PCI config space remap function PCI: xgene: Update PCI config space remap function PCI: armada8k: Update PCI config space remap function PCI: designware: Update PCI config space remap function PCI: iproc-platform: Update PCI config space remap function PCI: qcom: Update PCI config space remap function PCI: rockchip: Update PCI config space remap function PCI: spear13xx: Update PCI config space remap function PCI: xilinx-nwl: Update PCI config space remap function PCI: xilinx: Update PCI config space remap function PCI: ECAM: Map config region with pci_remap_cfgspace() PCI: Implement devm_pci_remap_cfgspace() devres: fix devm_ioremap_*() offset parameter kerneldoc description ARM: Implement pci_remap_cfgspace() interface ARM64: Implement pci_remap_cfgspace() interface linux/io.h: Add pci_remap_cfgspace() interface PCI: Remove __weak tag from pci_remap_iospace()