Merge branch 'pci/misc'

- Fix compile testing of al driver without CONFIG_PCI_ECAM (Arnd Bergmann)

- Fix compile testing of thunder drivers (Arnd Bergmann)

- Fix "no symbols" warnings when compile testing al, thunder driver with
  CONFIG_TRIM_UNUSED_KSYMS (Arnd Bergmann)

- Remove unused MicroGate SyncLink device IDs (Jiri Slaby)

- Remove unused alloc_pci_root_info() return value (Krzysztof Wilczyński)

* pci/misc:
  x86/PCI: Remove unused alloc_pci_root_info() return value
  PCI: Remove MicroGate SyncLink device IDs
  PCI: Avoid building empty drivers
  PCI: thunder: Fix compile testing
  PCI: al: Select CONFIG_PCI_ECAM
This commit is contained in:
Bjorn Helgaas 2021-05-04 10:43:25 -05:00
commit ccfc1d5570
8 changed files with 28 additions and 12 deletions

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@ -126,7 +126,7 @@ static int __init early_root_info_init(void)
node = (reg >> 4) & 0x07;
link = (reg >> 8) & 0x03;
info = alloc_pci_root_info(min_bus, max_bus, node, link);
alloc_pci_root_info(min_bus, max_bus, node, link);
}
/*

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@ -11,10 +11,13 @@ obj-$(CONFIG_PCIE_RCAR_HOST) += pcie-rcar.o pcie-rcar-host.o
obj-$(CONFIG_PCIE_RCAR_EP) += pcie-rcar.o pcie-rcar-ep.o
obj-$(CONFIG_PCI_HOST_COMMON) += pci-host-common.o
obj-$(CONFIG_PCI_HOST_GENERIC) += pci-host-generic.o
obj-$(CONFIG_PCI_HOST_THUNDER_ECAM) += pci-thunder-ecam.o
obj-$(CONFIG_PCI_HOST_THUNDER_PEM) += pci-thunder-pem.o
obj-$(CONFIG_PCIE_XILINX) += pcie-xilinx.o
obj-$(CONFIG_PCIE_XILINX_NWL) += pcie-xilinx-nwl.o
obj-$(CONFIG_PCIE_XILINX_CPM) += pcie-xilinx-cpm.o
obj-$(CONFIG_PCI_V3_SEMI) += pci-v3-semi.o
obj-$(CONFIG_PCI_XGENE) += pci-xgene.o
obj-$(CONFIG_PCI_XGENE_MSI) += pci-xgene-msi.o
obj-$(CONFIG_PCI_VERSATILE) += pci-versatile.o
obj-$(CONFIG_PCIE_IPROC) += pcie-iproc.o
@ -47,8 +50,10 @@ obj-y += mobiveil/
# ARM64 and use internal ifdefs to only build the pieces we need
# depending on whether ACPI, the DT driver, or both are enabled.
ifdef CONFIG_PCI
ifdef CONFIG_ACPI
ifdef CONFIG_PCI_QUIRKS
obj-$(CONFIG_ARM64) += pci-thunder-ecam.o
obj-$(CONFIG_ARM64) += pci-thunder-pem.o
obj-$(CONFIG_ARM64) += pci-xgene.o
endif
endif

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@ -311,6 +311,7 @@ config PCIE_AL
depends on OF && (ARM64 || COMPILE_TEST)
depends on PCI_MSI_IRQ_DOMAIN
select PCIE_DW_HOST
select PCI_ECAM
help
Say Y here to enable support of the Amazon's Annapurna Labs PCIe
controller IP on Amazon SoCs. The PCIe controller uses the DesignWare

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@ -31,7 +31,12 @@ obj-$(CONFIG_PCIE_UNIPHIER_EP) += pcie-uniphier-ep.o
# ARM64 and use internal ifdefs to only build the pieces we need
# depending on whether ACPI, the DT driver, or both are enabled.
ifdef CONFIG_PCI
obj-$(CONFIG_PCIE_AL) += pcie-al.o
obj-$(CONFIG_PCI_HISI) += pcie-hisi.o
ifdef CONFIG_ACPI
ifdef CONFIG_PCI_QUIRKS
obj-$(CONFIG_ARM64) += pcie-al.o
obj-$(CONFIG_ARM64) += pcie-hisi.o
endif
endif

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@ -116,7 +116,7 @@ static int thunder_ecam_p2_config_read(struct pci_bus *bus, unsigned int devfn,
* the config space access window. Since we are working with
* the high-order 32 bits, shift everything down by 32 bits.
*/
node_bits = (cfg->res.start >> 32) & (1 << 12);
node_bits = upper_32_bits(cfg->res.start) & (1 << 12);
v |= node_bits;
set_val(v, where, size, val);

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@ -12,6 +12,7 @@
#include <linux/pci-acpi.h>
#include <linux/pci-ecam.h>
#include <linux/platform_device.h>
#include <linux/io-64-nonatomic-lo-hi.h>
#include "../pci.h"
#if defined(CONFIG_PCI_HOST_THUNDER_PEM) || (defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS))
@ -324,9 +325,9 @@ static int thunder_pem_init(struct device *dev, struct pci_config_window *cfg,
* structure here for the BAR.
*/
bar4_start = res_pem->start + 0xf00000;
pem_pci->ea_entry[0] = (u32)bar4_start | 2;
pem_pci->ea_entry[1] = (u32)(res_pem->end - bar4_start) & ~3u;
pem_pci->ea_entry[2] = (u32)(bar4_start >> 32);
pem_pci->ea_entry[0] = lower_32_bits(bar4_start) | 2;
pem_pci->ea_entry[1] = lower_32_bits(res_pem->end - bar4_start) & ~3u;
pem_pci->ea_entry[2] = upper_32_bits(bar4_start);
cfg->priv = pem_pci;
return 0;
@ -334,9 +335,9 @@ static int thunder_pem_init(struct device *dev, struct pci_config_window *cfg,
#if defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS)
#define PEM_RES_BASE 0x87e0c0000000UL
#define PEM_NODE_MASK GENMASK(45, 44)
#define PEM_INDX_MASK GENMASK(26, 24)
#define PEM_RES_BASE 0x87e0c0000000ULL
#define PEM_NODE_MASK GENMASK_ULL(45, 44)
#define PEM_INDX_MASK GENMASK_ULL(26, 24)
#define PEM_MIN_DOM_IN_NODE 4
#define PEM_MAX_DOM_IN_NODE 10

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@ -617,6 +617,12 @@ static inline int pci_dev_specific_reset(struct pci_dev *dev, int probe)
#if defined(CONFIG_PCI_QUIRKS) && defined(CONFIG_ARM64)
int acpi_get_rc_resources(struct device *dev, const char *hid, u16 segment,
struct resource *res);
#else
static inline int acpi_get_rc_resources(struct device *dev, const char *hid,
u16 segment, struct resource *res)
{
return -ENODEV;
}
#endif
int pci_rebar_get_current_size(struct pci_dev *pdev, int bar);

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@ -2065,8 +2065,6 @@
#define PCI_DEVICE_ID_EXAR_XR17V358 0x0358
#define PCI_VENDOR_ID_MICROGATE 0x13c0
#define PCI_DEVICE_ID_MICROGATE_USC 0x0010
#define PCI_DEVICE_ID_MICROGATE_SCA 0x0030
#define PCI_VENDOR_ID_3WARE 0x13C1
#define PCI_DEVICE_ID_3WARE_1000 0x1000