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authorLinus Torvalds <torvalds@linux-foundation.org>2020-06-06 11:01:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-06 11:01:58 -0700
commit3925c3bbdf886f1ddf64461b9b380e1bb36f90c1 (patch)
tree99ebd7c46d46893057be0e5b16ea2bb356a1303b /drivers/acpi
parent9fa88c5d3f5eae3e68ef20d226c3f13e21490668 (diff)
parent2bd81cd04a3f5eb873cc81fa16c469377be3b092 (diff)
downloadlinux-3925c3bbdf886f1ddf64461b9b380e1bb36f90c1.tar.bz2
Merge tag 'pci-v5.8-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas: "Enumeration: - Program MPS for RCiEP devices (Ashok Raj) - Fix pci_register_host_bridge() device_register() error handling (Rob Herring) - Fix pci_host_bridge struct device release/free handling (Rob Herring) Resource management: - Allow resizing BARs for devices on root bus (Ard Biesheuvel) Power management: - Reduce Thunderbolt resume time by working around devices that don't support DLL Link Active reporting (Mika Westerberg) - Work around a Pericom USB controller OHCI/EHCI PME# defect (Kai-Heng Feng) Virtualization: - Add ACS quirk for Intel Root Complex Integrated Endpoints (Ashok Raj) - Avoid FLR for AMD Starship USB 3.0 (Kevin Buettner) - Avoid FLR for AMD Matisse HD Audio & USB 3.0 (Marcos Scriven) Error handling: - Use only _OSC (not HEST FIRMWARE_FIRST) to determine AER ownership (Alexandru Gagniuc, Kuppuswamy Sathyanarayanan) - Reduce verbosity by logging only ACPI_NOTIFY_DISCONNECT_RECOVER events (Kuppuswamy Sathyanarayanan) - Don't enable AER by default in Kconfig (Bjorn Helgaas) Peer-to-peer DMA: - Add AMD Zen Raven and Renoir Root Ports to whitelist (Alex Deucher) ASPM: - Allow ASPM on links to PCIe-to-PCI/PCI-X Bridges (Kai-Heng Feng) Endpoint framework: - Fix DMA channel release in test (Kunihiko Hayashi) - Add page size as argument to pci_epc_mem_init() (Lad Prabhakar) - Add support to handle multiple base for mapping outbound memory (Lad Prabhakar) Generic host bridge driver: - Support building as module (Rob Herring) - Eliminate pci_host_common_probe wrappers (Rob Herring) Amlogic Meson PCIe controller driver: - Don't use FAST_LINK_MODE to set up link (Marc Zyngier) Broadcom STB PCIe controller driver: - Disable ASPM L0s if 'aspm-no-l0s' in DT (Jim Quinlan) - Fix clk_put() error (Jim Quinlan) - Fix window register offset (Jim Quinlan) - Assert fundamental reset on initialization (Nicolas Saenz Julienne) - Add notify xHCI reset property (Nicolas Saenz Julienne) - Add init routine for Raspberry Pi 4 VL805 USB controller (Nicolas Saenz Julienne) - Sync with Raspberry Pi 4 firmware for VL805 initialization (Nicolas Saenz Julienne) Cadence PCIe controller driver: - Remove "cdns,max-outbound-regions" DT property (replaced by "ranges") (Kishon Vijay Abraham I) - Read 32-bit (not 16-bit) Vendor ID/Device ID property from DT (Kishon Vijay Abraham I) Marvell Aardvark PCIe controller driver: - Improve link training (Marek Behún) - Add PHY support (Marek Behún) - Add "phys", "max-link-speed", "reset-gpios" to dt-binding (Marek Behún) - Train link immediately after enabling training to work around detection issues with some cards (Pali Rohár) - Issue PERST via GPIO to work around detection issues (Pali Rohár) - Don't blindly enable ASPM L0s (Pali Rohár) - Replace custom macros by standard linux/pci_regs.h macros (Pali Rohár) Microsoft Hyper-V host bridge driver: - Fix probe failure path to release resource (Wei Hu) - Retry PCI bus D0 entry on invalid device state for kdump (Wei Hu) Renesas R-Car PCIe controller driver: - Fix incorrect programming of OB windows (Andrew Murray) - Add suspend/resume (Kazufumi Ikeda) - Rename pcie-rcar.c to pcie-rcar-host.c (Lad Prabhakar) - Add endpoint controller driver (Lad Prabhakar) - Fix PCIEPAMR mask calculation (Lad Prabhakar) - Add r8a77961 to DT binding (Yoshihiro Shimoda) Socionext UniPhier Pro5 controller driver: - Add endpoint controller driver (Kunihiko Hayashi) Synopsys DesignWare PCIe controller driver: - Program outbound ATU upper limit register (Alan Mikhak) - Fix inner MSI IRQ domain registration (Marc Zyngier) Miscellaneous: - Check for platform_get_irq() failure consistently (negative return means failure) (Aman Sharma) - Fix several runtime PM get/put imbalances (Dinghao Liu) - Use flexible-array and struct_size() helpers for code cleanup (Gustavo A. R. Silva) - Update & fix issues in bridge emulation of PCIe registers (Jon Derrick) - Add macros for bridge window names (PCI_BRIDGE_IO_WINDOW, etc) (Krzysztof Wilczyński) - Work around Intel PCH MROMs that have invalid BARs (Xiaochun Lee)" * tag 'pci-v5.8-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (100 commits) PCI: uniphier: Add Socionext UniPhier Pro5 PCIe endpoint controller driver PCI: Add ACS quirk for Intel Root Complex Integrated Endpoints PCI/DPC: Print IRQ number used by port PCI/AER: Use "aer" variable for capability offset PCI/AER: Remove redundant dev->aer_cap checks PCI/AER: Remove redundant pci_is_pcie() checks PCI/AER: Remove HEST/FIRMWARE_FIRST parsing for AER ownership PCI: tegra: Fix runtime PM imbalance on error PCI: vmd: Filter resource type bits from shadow register PCI: tegra194: Fix runtime PM imbalance on error dt-bindings: PCI: Add UniPhier PCIe endpoint controller description PCI: hv: Use struct_size() helper PCI: Rename _DSM constants to align with spec PCI: Avoid FLR for AMD Starship USB 3.0 PCI: Avoid FLR for AMD Matisse HD Audio & USB 3.0 x86/PCI: Drop unused xen_register_pirq() gsi_override parameter PCI: dwc: Use private data pointer of "struct irq_domain" to get pcie_port PCI: amlogic: meson: Don't use FAST_LINK_MODE to set up link PCI: dwc: Fix inner MSI IRQ domain registration PCI: dwc: pci-dra7xx: Use devm_platform_ioremap_resource_byname() ...
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/pci_mcfg.c8
-rw-r--r--drivers/acpi/pci_root.c11
2 files changed, 7 insertions, 12 deletions
diff --git a/drivers/acpi/pci_mcfg.c b/drivers/acpi/pci_mcfg.c
index 6b347d9920cc..54b36b7ad47d 100644
--- a/drivers/acpi/pci_mcfg.c
+++ b/drivers/acpi/pci_mcfg.c
@@ -29,7 +29,7 @@ struct mcfg_fixup {
u32 oem_revision;
u16 segment;
struct resource bus_range;
- struct pci_ecam_ops *ops;
+ const struct pci_ecam_ops *ops;
struct resource cfgres;
};
@@ -165,7 +165,7 @@ static int pci_mcfg_quirk_matches(struct mcfg_fixup *f, u16 segment,
static void pci_mcfg_apply_quirks(struct acpi_pci_root *root,
struct resource *cfgres,
- struct pci_ecam_ops **ecam_ops)
+ const struct pci_ecam_ops **ecam_ops)
{
#ifdef CONFIG_PCI_QUIRKS
u16 segment = root->segment;
@@ -191,9 +191,9 @@ static void pci_mcfg_apply_quirks(struct acpi_pci_root *root,
static LIST_HEAD(pci_mcfg_list);
int pci_mcfg_lookup(struct acpi_pci_root *root, struct resource *cfgres,
- struct pci_ecam_ops **ecam_ops)
+ const struct pci_ecam_ops **ecam_ops)
{
- struct pci_ecam_ops *ops = &pci_generic_ecam_ops;
+ const struct pci_ecam_ops *ops = &pci_generic_ecam_ops;
struct resource *bus_res = &root->secondary;
u16 seg = root->segment;
struct mcfg_entry *e;
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index ac8ad6cb82aa..f90e841c59f5 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -483,13 +483,8 @@ static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm,
if (IS_ENABLED(CONFIG_HOTPLUG_PCI_SHPC))
control |= OSC_PCI_SHPC_NATIVE_HP_CONTROL;
- if (pci_aer_available()) {
- if (aer_acpi_firmware_first())
- dev_info(&device->dev,
- "PCIe AER handled by firmware\n");
- else
- control |= OSC_PCI_EXPRESS_AER_CONTROL;
- }
+ if (pci_aer_available())
+ control |= OSC_PCI_EXPRESS_AER_CONTROL;
/*
* Per the Downstream Port Containment Related Enhancements ECN to
@@ -938,7 +933,7 @@ struct pci_bus *acpi_pci_root_create(struct acpi_pci_root *root,
* assignments made by firmware for this host bridge.
*/
obj = acpi_evaluate_dsm(ACPI_HANDLE(bus->bridge), &pci_acpi_dsm_guid, 1,
- IGNORE_PCI_BOOT_CONFIG_DSM, NULL);
+ DSM_PCI_PRESERVE_BOOT_CONFIG, NULL);
if (obj && obj->type == ACPI_TYPE_INTEGER && obj->integer.value == 0)
host_bridge->preserve_config = 1;
ACPI_FREE(obj);