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()
  ...

1 files changed, 26 insertions, 14 deletions

diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index bf6529b0b5b0..84bfc0e85d6b 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -694,7 +694,7 @@ static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type
 	struct pci_bus_region region;
 	unsigned mask;
 
-	res = dev->resource + PCI_BRIDGE_RESOURCES + nr;
+	res = &dev->resource[nr];
 	/* Already allocated? */
 	if (res->parent)
 		return 0;
@@ -711,7 +711,7 @@ static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type
 	region.end = config_readl(socket, addr_end) | ~mask;
 	if (region.start && region.end > region.start && !override_bios) {
 		pcibios_bus_to_resource(dev->bus, res, &region);
-		if (pci_claim_resource(dev, PCI_BRIDGE_RESOURCES + nr) == 0)
+		if (pci_claim_resource(dev, nr) == 0)
 			return 0;
 		dev_info(&dev->dev,
 			 "Preassigned resource %d busy or not available, reconfiguring...\n",
@@ -745,19 +745,35 @@ static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type
 	return 0;
 }
 
+static void yenta_free_res(struct yenta_socket *socket, int nr)
+{
+	struct pci_dev *dev = socket->dev;
+	struct resource *res;
+
+	res = &dev->resource[nr];
+	if (res->start != 0 && res->end != 0)
+		release_resource(res);
+
+	res->start = res->end = res->flags = 0;
+}
+
 /*
  * Allocate the bridge mappings for the device..
  */
 static void yenta_allocate_resources(struct yenta_socket *socket)
 {
 	int program = 0;
-	program += yenta_allocate_res(socket, 0, IORESOURCE_IO,
+	program += yenta_allocate_res(socket, PCI_CB_BRIDGE_IO_0_WINDOW,
+			   IORESOURCE_IO,
 			   PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0);
-	program += yenta_allocate_res(socket, 1, IORESOURCE_IO,
+	program += yenta_allocate_res(socket, PCI_CB_BRIDGE_IO_1_WINDOW,
+			   IORESOURCE_IO,
 			   PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1);
-	program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH,
+	program += yenta_allocate_res(socket, PCI_CB_BRIDGE_MEM_0_WINDOW,
+			   IORESOURCE_MEM | IORESOURCE_PREFETCH,
 			   PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0);
-	program += yenta_allocate_res(socket, 3, IORESOURCE_MEM,
+	program += yenta_allocate_res(socket, PCI_CB_BRIDGE_MEM_1_WINDOW,
+			   IORESOURCE_MEM,
 			   PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1);
 	if (program)
 		pci_setup_cardbus(socket->dev->subordinate);
@@ -769,14 +785,10 @@ static void yenta_allocate_resources(struct yenta_socket *socket)
  */
 static void yenta_free_resources(struct yenta_socket *socket)
 {
-	int i;
-	for (i = 0; i < 4; i++) {
-		struct resource *res;
-		res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
-		if (res->start != 0 && res->end != 0)
-			release_resource(res);
-		res->start = res->end = res->flags = 0;
-	}
+	yenta_free_res(socket, PCI_CB_BRIDGE_IO_0_WINDOW);
+	yenta_free_res(socket, PCI_CB_BRIDGE_IO_1_WINDOW);
+	yenta_free_res(socket, PCI_CB_BRIDGE_MEM_0_WINDOW);
+	yenta_free_res(socket, PCI_CB_BRIDGE_MEM_1_WINDOW);
 }