Merge tag 'pci-v5.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull pci updates from Bjorn Helgaas:
 "Enumeration:
   - Use pci_find_vsec_capability() instead of open-coding it (Andy
     Shevchenko)
   - Convert pci_dev_present() stub from macro to static inline to avoid
     'unused variable' errors (Hans de Goede)
   - Convert sysfs slot attributes from default_attrs to default_groups
     (Greg Kroah-Hartman)
   - Use DWORD accesses for LTR, L1 SS to avoid BayHub OZ711LV2 erratum
     (Rajat Jain)
   - Remove unnecessary initialization of static variables (Longji Guo)

  Resource management:
   - Always write Intel I210 ROM BAR on update to work around device
     defect (Bjorn Helgaas)

  PCIe native device hotplug:
   - Fix pciehp lockdep errors on Thunderbolt undock (Hans de Goede)
   - Fix infinite loop in pciehp IRQ handler on power fault (Lukas
     Wunner)

  Power management:
   - Convert amd64-agp, sis-agp, via-agp from legacy PCI power
     management to generic power management (Vaibhav Gupta)

  IOMMU:
   - Add function 1 DMA alias quirk for Marvell 88SE9125 SATA controller
     so it can work with an IOMMU (Yifeng Li)

  Error handling:
   - Add PCI_ERROR_RESPONSE and related definitions for signaling and
     checking for transaction errors on PCI (Naveen Naidu)
   - Fabricate PCI_ERROR_RESPONSE data (~0) in config read wrappers,
     instead of in host controller drivers, when transactions fail on
     PCI (Naveen Naidu)
   - Use PCI_POSSIBLE_ERROR() to check for possible failure of config
     reads (Naveen Naidu)

  Peer-to-peer DMA:
   - Add Logan Gunthorpe as P2PDMA maintainer (Bjorn Helgaas)

  ASPM:
   - Calculate link L0s and L1 exit latencies when needed instead of
     caching them (Saheed O. Bolarinwa)
   - Calculate device L0s and L1 acceptable exit latencies when needed
     instead of caching them (Saheed O. Bolarinwa)
   - Remove struct aspm_latency since it's no longer needed (Saheed O.
     Bolarinwa)

  APM X-Gene PCIe controller driver:
   - Fix IB window setup, which was broken by the fact that IB resources
     are now sorted in address order instead of DT dma-ranges order (Rob
     Herring)

  Apple PCIe controller driver:
   - Enable clock gating to save power (Hector Martin)
   - Fix REFCLK1 enable/poll logic (Hector Martin)

  Broadcom STB PCIe controller driver:
   - Declare bitmap correctly for use by bitmap interfaces (Christophe
     JAILLET)
   - Clean up computation of legacy and non-legacy MSI bitmasks (Florian
     Fainelli)
   - Update suspend/resume/remove error handling to warn about errors
     and not fail the operation (Jim Quinlan)
   - Correct the "pcie" and "msi" interrupt descriptions in DT binding
     (Jim Quinlan)
   - Add DT bindings for endpoint voltage regulators (Jim Quinlan)
   - Split brcm_pcie_setup() into two functions (Jim Quinlan)
   - Add mechanism for turning on voltage regulators for connected
     devices (Jim Quinlan)
   - Turn voltage regulators for connected devices on/off when bus is
     added or removed (Jim Quinlan)
   - When suspending, don't turn off voltage regulators for wakeup
     devices (Jim Quinlan)

  Freescale i.MX6 PCIe controller driver:
   - Add i.MX8MM support (Richard Zhu)

  Freescale Layerscape PCIe controller driver:
   - Use DWC common ops instead of layerscape-specific link-up functions
     (Hou Zhiqiang)

  Intel VMD host bridge driver:
   - Honor platform ACPI _OSC feature negotiation for Root Ports below
     VMD (Kai-Heng Feng)
   - Add support for Raptor Lake SKUs (Karthik L Gopalakrishnan)
   - Reset everything below VMD before enumerating to work around
     failure to enumerate NVMe devices when guest OS reboots (Nirmal
     Patel)

  Bridge emulation (used by Marvell Aardvark and MVEBU):
   - Make emulated ROM BAR read-only by default (Pali Rohár)
   - Make some emulated legacy PCI bits read-only for PCIe devices (Pali
     Rohár)
   - Update reserved bits in emulated PCIe Capability (Pali Rohár)
   - Allow drivers to emulate different PCIe Capability versions (Pali
     Rohár)
   - Set emulated Capabilities List bit for all PCIe devices, since they
     must have at least a PCIe Capability (Pali Rohár)

  Marvell Aardvark PCIe controller driver:
   - Add bridge emulation definitions for PCIe DEVCAP2, DEVCTL2,
     DEVSTA2, LNKCAP2, LNKCTL2, LNKSTA2, SLTCAP2, SLTCTL2, SLTSTA2 (Pali
     Rohár)
   - Add aardvark support for DEVCAP2, DEVCTL2, LNKCAP2 and LNKCTL2
     registers (Pali Rohár)
   - Clear all MSIs at setup to avoid spurious interrupts (Pali Rohár)
   - Disable bus mastering when unbinding host controller driver (Pali
     Rohár)
   - Mask all interrupts when unbinding host controller driver (Pali
     Rohár)
   - Fix memory leak in host controller unbind (Pali Rohár)
   - Assert PERST# when unbinding host controller driver (Pali Rohár)
   - Disable link training when unbinding host controller driver (Pali
     Rohár)
   - Disable common PHY when unbinding host controller driver (Pali
     Rohár)
   - Fix resource type checking to check only IORESOURCE_MEM, not
     IORESOURCE_MEM_64, which is a flavor of IORESOURCE_MEM (Pali Rohár)

  Marvell MVEBU PCIe controller driver:
   - Implement pci_remap_iospace() for ARM so mvebu can use
     devm_pci_remap_iospace() instead of the previous ARM-specific
     pci_ioremap_io() interface (Pali Rohár)
   - Use the standard pci_host_probe() instead of the device-specific
     mvebu_pci_host_probe() (Pali Rohár)
   - Replace all uses of ARM-specific pci_ioremap_io() with the ARM
     implementation of the standard pci_remap_iospace() interface and
     remove pci_ioremap_io() (Pali Rohár)
   - Skip initializing invalid Root Ports (Pali Rohár)
   - Check for errors from pci_bridge_emul_init() (Pali Rohár)
   - Ignore any bridges at non-zero function numbers (Pali Rohár)
   - Return ~0 data for invalid config read size (Pali Rohár)
   - Disallow mapping interrupts on emulated bridges (Pali Rohár)
   - Clear Root Port Memory & I/O Space Enable and Bus Master Enable at
     initialization (Pali Rohár)
   - Make type bits in Root Port I/O Base register read-only (Pali
     Rohár)
   - Disable Root Port windows when base/limit set to invalid values
     (Pali Rohár)
   - Set controller to Root Complex mode (Pali Rohár)
   - Set Root Port Class Code to PCI Bridge (Pali Rohár)
   - Update emulated Root Port secondary bus numbers to better reflect
     the actual topology (Pali Rohár)
   - Add PCI_BRIDGE_CTL_BUS_RESET support to emulated Root Ports so
     pci_reset_secondary_bus() can reset connected devices (Pali Rohár)
   - Add PCI_EXP_DEVCTL Error Reporting Enable support to emulated Root
     Ports (Pali Rohár)
   - Add PCI_EXP_RTSTA PME Status bit support to emulated Root Ports
     (Pali Rohár)
   - Add DEVCAP2, DEVCTL2 and LNKCTL2 support to emulated Root Ports on
     Armada XP and newer devices (Pali Rohár)
   - Export mvebu-mbus.c symbols to allow pci-mvebu.c to be a module
     (Pali Rohár)
   - Add support for compiling as a module (Pali Rohár)

  MediaTek PCIe controller driver:
   - Assert PERST# for 100ms to allow power and clock to stabilize
     (qizhong cheng)

  MediaTek PCIe Gen3 controller driver:
   - Disable Mediatek DVFSRC voltage request since lack of DVFSRC to
     respond to the request causes failure to exit L1 PM Substate
     (Jianjun Wang)

  MediaTek MT7621 PCIe controller driver:
   - Declare mt7621_pci_ops static (Sergio Paracuellos)
   - Give pcibios_root_bridge_prepare() access to host bridge windows
     (Sergio Paracuellos)
   - Move MIPS I/O coherency unit setup from driver to
     pcibios_root_bridge_prepare() (Sergio Paracuellos)
   - Add missing MODULE_LICENSE() (Sergio Paracuellos)
   - Allow COMPILE_TEST for all arches (Sergio Paracuellos)

  Microsoft Hyper-V host bridge driver:
   - Add hv-internal interfaces to encapsulate arch IRQ dependencies
     (Sunil Muthuswamy)
   - Add arm64 Hyper-V vPCI support (Sunil Muthuswamy)

  Qualcomm PCIe controller driver:
   - Undo PM setup in qcom_pcie_probe() error handling path (Christophe
     JAILLET)
   - Use __be16 type to store return value from cpu_to_be16()
     (Manivannan Sadhasivam)
   - Constify static dw_pcie_ep_ops (Rikard Falkeborn)

  Renesas R-Car PCIe controller driver:
   - Fix aarch32 abort handler so it doesn't check the wrong bus clock
     before accessing the host controller (Marek Vasut)

  TI Keystone PCIe controller driver:
   - Add register offset for ti,syscon-pcie-id and ti,syscon-pcie-mode
     DT properties (Kishon Vijay Abraham I)

  MicroSemi Switchtec management driver:
   - Add Gen4 automotive device IDs (Kelvin Cao)
   - Declare state_names[] as static so it's not allocated and
     initialized for every call (Kelvin Cao)

  Host controller driver cleanups:
   - Use of_device_get_match_data(), not of_match_device(), when we only
     need the device data in altera, artpec6, cadence, designware-plat,
     dra7xx, keystone, kirin (Fan Fei)
   - Drop pointless of_device_get_match_data() cast in j721e (Bjorn
     Helgaas)
   - Drop redundant struct device * from j721e since struct cdns_pcie
     already has one (Bjorn Helgaas)
   - Rename driver structs to *_pcie in intel-gw, iproc, ls-gen4,
     mediatek-gen3, microchip, mt7621, rcar-gen2, tegra194, uniphier,
     xgene, xilinx, xilinx-cpm for consistency across drivers (Fan Fei)
   - Fix invalid address space conversions in hisi, spear13xx (Bjorn
     Helgaas)

  Miscellaneous:
   - Sort Intel Device IDs by value (Andy Shevchenko)
   - Change Capability offsets to hex to match spec (Baruch Siach)
   - Correct misspellings (Krzysztof Wilczyński)
   - Terminate statement with semicolon in pci_endpoint_test.c (Ming
     Wang)"

* tag 'pci-v5.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (151 commits)
  PCI: mt7621: Allow COMPILE_TEST for all arches
  PCI: mt7621: Add missing MODULE_LICENSE()
  PCI: mt7621: Move MIPS setup to pcibios_root_bridge_prepare()
  PCI: Let pcibios_root_bridge_prepare() access bridge->windows
  PCI: mt7621: Declare mt7621_pci_ops static
  PCI: brcmstb: Do not turn off WOL regulators on suspend
  PCI: brcmstb: Add control of subdevice voltage regulators
  PCI: brcmstb: Add mechanism to turn on subdev regulators
  PCI: brcmstb: Split brcm_pcie_setup() into two funcs
  dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators
  dt-bindings: PCI: Correct brcmstb interrupts, interrupt-map.
  PCI: brcmstb: Fix function return value handling
  PCI: brcmstb: Do not use __GENMASK
  PCI: brcmstb: Declare 'used' as bitmap, not unsigned long
  PCI: hv: Add arm64 Hyper-V vPCI support
  PCI: hv: Make the code arch neutral by adding arch specific interfaces
  PCI: pciehp: Use down_read/write_nested(reset_lock) to fix lockdep errors
  x86/PCI: Remove initialization of static variables to false
  PCI: Use DWORD accesses for LTR, L1 SS to avoid erratum
  misc: pci_endpoint_test: Terminate statement with semicolon
  ...

1 files changed, 29 insertions, 29 deletions

diff --git a/drivers/pci/controller/pci-xgene.c b/drivers/pci/controller/pci-xgene.c
index 56d0d50338c8..0d5acbfc7143 100644
--- a/drivers/pci/controller/pci-xgene.c
+++ b/drivers/pci/controller/pci-xgene.c
@@ -60,7 +60,7 @@
 #define XGENE_PCIE_IP_VER_2		2
 
 #if defined(CONFIG_PCI_XGENE) || (defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS))
-struct xgene_pcie_port {
+struct xgene_pcie {
 	struct device_node	*node;
 	struct device		*dev;
 	struct clk		*clk;
@@ -71,12 +71,12 @@ struct xgene_pcie_port {
 	u32			version;
 };
 
-static u32 xgene_pcie_readl(struct xgene_pcie_port *port, u32 reg)
+static u32 xgene_pcie_readl(struct xgene_pcie *port, u32 reg)
 {
 	return readl(port->csr_base + reg);
 }
 
-static void xgene_pcie_writel(struct xgene_pcie_port *port, u32 reg, u32 val)
+static void xgene_pcie_writel(struct xgene_pcie *port, u32 reg, u32 val)
 {
 	writel(val, port->csr_base + reg);
 }
@@ -86,15 +86,15 @@ static inline u32 pcie_bar_low_val(u32 addr, u32 flags)
 	return (addr & PCI_BASE_ADDRESS_MEM_MASK) | flags;
 }
 
-static inline struct xgene_pcie_port *pcie_bus_to_port(struct pci_bus *bus)
+static inline struct xgene_pcie *pcie_bus_to_port(struct pci_bus *bus)
 {
 	struct pci_config_window *cfg;
 
 	if (acpi_disabled)
-		return (struct xgene_pcie_port *)(bus->sysdata);
+		return (struct xgene_pcie *)(bus->sysdata);
 
 	cfg = bus->sysdata;
-	return (struct xgene_pcie_port *)(cfg->priv);
+	return (struct xgene_pcie *)(cfg->priv);
 }
 
 /*
@@ -103,7 +103,7 @@ static inline struct xgene_pcie_port *pcie_bus_to_port(struct pci_bus *bus)
  */
 static void __iomem *xgene_pcie_get_cfg_base(struct pci_bus *bus)
 {
-	struct xgene_pcie_port *port = pcie_bus_to_port(bus);
+	struct xgene_pcie *port = pcie_bus_to_port(bus);
 
 	if (bus->number >= (bus->primary + 1))
 		return port->cfg_base + AXI_EP_CFG_ACCESS;
@@ -117,7 +117,7 @@ static void __iomem *xgene_pcie_get_cfg_base(struct pci_bus *bus)
  */
 static void xgene_pcie_set_rtdid_reg(struct pci_bus *bus, uint devfn)
 {
-	struct xgene_pcie_port *port = pcie_bus_to_port(bus);
+	struct xgene_pcie *port = pcie_bus_to_port(bus);
 	unsigned int b, d, f;
 	u32 rtdid_val = 0;
 
@@ -164,18 +164,18 @@ static void __iomem *xgene_pcie_map_bus(struct pci_bus *bus, unsigned int devfn,
 static int xgene_pcie_config_read32(struct pci_bus *bus, unsigned int devfn,
 				    int where, int size, u32 *val)
 {
-	struct xgene_pcie_port *port = pcie_bus_to_port(bus);
+	struct xgene_pcie *port = pcie_bus_to_port(bus);
 
 	if (pci_generic_config_read32(bus, devfn, where & ~0x3, 4, val) !=
 	    PCIBIOS_SUCCESSFUL)
 		return PCIBIOS_DEVICE_NOT_FOUND;
 
 	/*
-	 * The v1 controller has a bug in its Configuration Request
-	 * Retry Status (CRS) logic: when CRS Software Visibility is
-	 * enabled and we read the Vendor and Device ID of a non-existent
-	 * device, the controller fabricates return data of 0xFFFF0001
-	 * ("device exists but is not ready") instead of 0xFFFFFFFF
+	 * The v1 controller has a bug in its Configuration Request Retry
+	 * Status (CRS) logic: when CRS Software Visibility is enabled and
+	 * we read the Vendor and Device ID of a non-existent device, the
+	 * controller fabricates return data of 0xFFFF0001 ("device exists
+	 * but is not ready") instead of 0xFFFFFFFF (PCI_ERROR_RESPONSE)
 	 * ("device does not exist").  This causes the PCI core to retry
 	 * the read until it times out.  Avoid this by not claiming to
 	 * support CRS SV.
@@ -227,7 +227,7 @@ static int xgene_pcie_ecam_init(struct pci_config_window *cfg, u32 ipversion)
 {
 	struct device *dev = cfg->parent;
 	struct acpi_device *adev = to_acpi_device(dev);
-	struct xgene_pcie_port *port;
+	struct xgene_pcie *port;
 	struct resource csr;
 	int ret;
 
@@ -281,7 +281,7 @@ const struct pci_ecam_ops xgene_v2_pcie_ecam_ops = {
 #endif
 
 #if defined(CONFIG_PCI_XGENE)
-static u64 xgene_pcie_set_ib_mask(struct xgene_pcie_port *port, u32 addr,
+static u64 xgene_pcie_set_ib_mask(struct xgene_pcie *port, u32 addr,
 				  u32 flags, u64 size)
 {
 	u64 mask = (~(size - 1) & PCI_BASE_ADDRESS_MEM_MASK) | flags;
@@ -307,7 +307,7 @@ static u64 xgene_pcie_set_ib_mask(struct xgene_pcie_port *port, u32 addr,
 	return mask;
 }
 
-static void xgene_pcie_linkup(struct xgene_pcie_port *port,
+static void xgene_pcie_linkup(struct xgene_pcie *port,
 			      u32 *lanes, u32 *speed)
 {
 	u32 val32;
@@ -322,7 +322,7 @@ static void xgene_pcie_linkup(struct xgene_pcie_port *port,
 	}
 }
 
-static int xgene_pcie_init_port(struct xgene_pcie_port *port)
+static int xgene_pcie_init_port(struct xgene_pcie *port)
 {
 	struct device *dev = port->dev;
 	int rc;
@@ -342,7 +342,7 @@ static int xgene_pcie_init_port(struct xgene_pcie_port *port)
 	return 0;
 }
 
-static int xgene_pcie_map_reg(struct xgene_pcie_port *port,
+static int xgene_pcie_map_reg(struct xgene_pcie *port,
 			      struct platform_device *pdev)
 {
 	struct device *dev = port->dev;
@@ -362,7 +362,7 @@ static int xgene_pcie_map_reg(struct xgene_pcie_port *port,
 	return 0;
 }
 
-static void xgene_pcie_setup_ob_reg(struct xgene_pcie_port *port,
+static void xgene_pcie_setup_ob_reg(struct xgene_pcie *port,
 				    struct resource *res, u32 offset,
 				    u64 cpu_addr, u64 pci_addr)
 {
@@ -394,7 +394,7 @@ static void xgene_pcie_setup_ob_reg(struct xgene_pcie_port *port,
 	xgene_pcie_writel(port, offset + 0x14, upper_32_bits(pci_addr));
 }
 
-static void xgene_pcie_setup_cfg_reg(struct xgene_pcie_port *port)
+static void xgene_pcie_setup_cfg_reg(struct xgene_pcie *port)
 {
 	u64 addr = port->cfg_addr;
 
@@ -403,7 +403,7 @@ static void xgene_pcie_setup_cfg_reg(struct xgene_pcie_port *port)
 	xgene_pcie_writel(port, CFGCTL, EN_REG);
 }
 
-static int xgene_pcie_map_ranges(struct xgene_pcie_port *port)
+static int xgene_pcie_map_ranges(struct xgene_pcie *port)
 {
 	struct pci_host_bridge *bridge = pci_host_bridge_from_priv(port);
 	struct resource_entry *window;
@@ -444,7 +444,7 @@ static int xgene_pcie_map_ranges(struct xgene_pcie_port *port)
 	return 0;
 }
 
-static void xgene_pcie_setup_pims(struct xgene_pcie_port *port, u32 pim_reg,
+static void xgene_pcie_setup_pims(struct xgene_pcie *port, u32 pim_reg,
 				  u64 pim, u64 size)
 {
 	xgene_pcie_writel(port, pim_reg, lower_32_bits(pim));
@@ -465,7 +465,7 @@ static int xgene_pcie_select_ib_reg(u8 *ib_reg_mask, u64 size)
 		return 1;
 	}
 
-	if ((size > SZ_1K) && (size < SZ_1T) && !(*ib_reg_mask & (1 << 0))) {
+	if ((size > SZ_1K) && (size < SZ_4G) && !(*ib_reg_mask & (1 << 0))) {
 		*ib_reg_mask |= (1 << 0);
 		return 0;
 	}
@@ -478,7 +478,7 @@ static int xgene_pcie_select_ib_reg(u8 *ib_reg_mask, u64 size)
 	return -EINVAL;
 }
 
-static void xgene_pcie_setup_ib_reg(struct xgene_pcie_port *port,
+static void xgene_pcie_setup_ib_reg(struct xgene_pcie *port,
 				    struct resource_entry *entry,
 				    u8 *ib_reg_mask)
 {
@@ -529,7 +529,7 @@ static void xgene_pcie_setup_ib_reg(struct xgene_pcie_port *port,
 	xgene_pcie_setup_pims(port, pim_reg, pci_addr, ~(size - 1));
 }
 
-static int xgene_pcie_parse_map_dma_ranges(struct xgene_pcie_port *port)
+static int xgene_pcie_parse_map_dma_ranges(struct xgene_pcie *port)
 {
 	struct pci_host_bridge *bridge = pci_host_bridge_from_priv(port);
 	struct resource_entry *entry;
@@ -542,7 +542,7 @@ static int xgene_pcie_parse_map_dma_ranges(struct xgene_pcie_port *port)
 }
 
 /* clear BAR configuration which was done by firmware */
-static void xgene_pcie_clear_config(struct xgene_pcie_port *port)
+static void xgene_pcie_clear_config(struct xgene_pcie *port)
 {
 	int i;
 
@@ -550,7 +550,7 @@ static void xgene_pcie_clear_config(struct xgene_pcie_port *port)
 		xgene_pcie_writel(port, i, 0);
 }
 
-static int xgene_pcie_setup(struct xgene_pcie_port *port)
+static int xgene_pcie_setup(struct xgene_pcie *port)
 {
 	struct device *dev = port->dev;
 	u32 val, lanes = 0, speed = 0;
@@ -588,7 +588,7 @@ static int xgene_pcie_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct device_node *dn = dev->of_node;
-	struct xgene_pcie_port *port;
+	struct xgene_pcie *port;
 	struct pci_host_bridge *bridge;
 	int ret;