arch/mips/pci/pci-xtalk-bridge.c

198

if (!pci_is_root_bus(bus))

arch/mips/pci/pci-xtalk-bridge.c

287

if (!pci_is_root_bus(bus))

arch/powerpc/kernel/eeh_pe.c

843

if (pci_is_root_bus(bus))

arch/powerpc/kernel/pci_dn.c

42

if (pci_is_root_bus(pbus) || pbus->self)

arch/powerpc/platforms/powernv/eeh-powernv.c

1088

if (pci_is_root_bus(bus))

arch/powerpc/platforms/powernv/eeh-powernv.c

1117

if (pci_is_root_bus(bus->parent))

arch/powerpc/platforms/powernv/eeh-powernv.c

897

if (pci_is_root_bus(dev->bus)) {

arch/powerpc/platforms/powernv/pci-ioda.c

2173

if (!pci_is_root_bus(bridge->bus) &&

arch/powerpc/platforms/powernv/pci-ioda.c

2174

!pci_is_root_bus(bridge->bus->self->bus))

arch/powerpc/platforms/powernv/pci-ioda.c

301

if (pci_is_root_bus(bus))

arch/powerpc/platforms/powernv/pci-ioda.c

936

if (pci_is_root_bus(bus))

arch/sh/drivers/pci/ops-sh7786.c

48

if (pci_is_root_bus(bus)) {

arch/sh/drivers/pci/pcie-sh7786.c

141

if (pci_is_root_bus(dev->bus) && dev->devfn == 0) {

arch/x86/pci/fixup.c

690

if (is_vmd(pdev->bus) && pci_is_root_bus(pdev->bus))

drivers/cxl/core/pci.c

916

if (pci_is_root_bus(bus))

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

6024

if (pci_is_root_bus(adev->pdev->bus) && !amdgpu_passthrough(adev)) {

drivers/gpu/drm/amd/amdgpu/cik.c

1537

if (pci_is_root_bus(adev->pdev->bus))

drivers/gpu/drm/amd/amdgpu/cik.c

1698

if (pci_is_root_bus(adev->pdev->bus))

drivers/gpu/drm/amd/amdgpu/si.c

2238

if (pci_is_root_bus(adev->pdev->bus))

drivers/gpu/drm/amd/amdgpu/si.c

2547

!pci_is_root_bus(adev->pdev->bus)) {

drivers/gpu/drm/radeon/ci_dpm.c

5648

if (!pci_is_root_bus(rdev->pdev->bus))

drivers/gpu/drm/radeon/cik.c

9508

if (pci_is_root_bus(rdev->pdev->bus))

drivers/gpu/drm/radeon/cik.c

9738

!pci_is_root_bus(rdev->pdev->bus)) {

drivers/gpu/drm/radeon/si.c

7072

if (pci_is_root_bus(rdev->pdev->bus))

drivers/gpu/drm/radeon/si.c

7353

!pci_is_root_bus(rdev->pdev->bus)) {

drivers/gpu/drm/radeon/si_dpm.c

6861

if (!pci_is_root_bus(rdev->pdev->bus))

drivers/infiniband/hw/hfi1/pcie.c

442

if (!pci_is_root_bus(parent->bus)) {

drivers/iommu/arm/arm-smmu/arm-smmu.c

120

while (!pci_is_root_bus(bus))

drivers/iommu/intel/dmar.c

165

if (pci_is_root_bus(tmp->bus))

drivers/iommu/iommu.c

1651

for (bus = pdev->bus; !pci_is_root_bus(bus); bus = bus->parent) {

drivers/pci/controller/cadence/pci-j721e.c

344

if (pci_is_root_bus(bus))

drivers/pci/controller/cadence/pci-j721e.c

354

if (pci_is_root_bus(bus))

drivers/pci/controller/cadence/pcie-cadence-host-hpa.c

36

if (pci_is_root_bus(bus)) {

drivers/pci/controller/cadence/pcie-cadence-host.c

32

if (pci_is_root_bus(bus)) {

drivers/pci/controller/dwc/pci-imx6.c

2219

if (pci_is_root_bus(bus)) {

drivers/pci/controller/dwc/pci-keystone.c

472

if (!pci_is_root_bus(bus->parent))

drivers/pci/controller/dwc/pci-keystone.c

552

if (pci_is_root_bus(bus))

drivers/pci/controller/dwc/pci-keystone.c

556

while (!pci_is_root_bus(bus)) {

drivers/pci/controller/dwc/pcie-designware-host.c

751

if (pci_is_root_bus(bus->parent))

drivers/pci/controller/mobiveil/pcie-mobiveil-host.c

31

if (pci_is_root_bus(bus) && (devfn > 0))

drivers/pci/controller/mobiveil/pcie-mobiveil-host.c

59

if (pci_is_root_bus(bus))

drivers/pci/controller/pci-aardvark.c

1096

if (pci_is_root_bus(bus) && PCI_SLOT(devfn) != 0)

drivers/pci/controller/pci-aardvark.c

1107

if (!pci_is_root_bus(bus) && !advk_pcie_link_up(pcie))

drivers/pci/controller/pci-aardvark.c

1154

if (pci_is_root_bus(bus))

drivers/pci/controller/pci-aardvark.c

1173

if (pci_is_root_bus(bus->parent))

drivers/pci/controller/pci-aardvark.c

1241

if (pci_is_root_bus(bus))

drivers/pci/controller/pci-aardvark.c

1254

if (pci_is_root_bus(bus->parent))

drivers/pci/controller/pci-aardvark.c

1675

if (pci_is_root_bus(dev->bus))

drivers/pci/controller/pci-loongson.c

109

while (!pci_is_root_bus(bus)) {

drivers/pci/controller/pci-loongson.c

233

if (!pci_is_root_bus(bus)) {

drivers/pci/controller/pci-loongson.c

247

if (!pci_is_root_bus(bus)) {

drivers/pci/controller/pci-loongson.c

258

return !(pci_is_root_bus(bus) &&

drivers/pci/controller/pci-loongson.c

273

if (!pci_is_root_bus(bus) && (device > 0) &&

drivers/pci/controller/pci-rcar-gen2.c

111

if (!pci_is_root_bus(bus) || PCI_FUNC(devfn))

drivers/pci/controller/pci-xgene.c

125

if (!pci_is_root_bus(bus))

drivers/pci/controller/pci-xgene.c

143

if (pci_is_root_bus(bus) && ((offset == PCI_BASE_ADDRESS_0) ||

drivers/pci/controller/pci-xgene.c

153

if ((pci_is_root_bus(bus) && devfn != 0) ||

drivers/pci/controller/pci-xgene.c

181

if (pci_is_root_bus(bus) && (port->version == XGENE_PCIE_IP_VER_1) &&

drivers/pci/controller/pcie-altera.c

216

if (pci_is_root_bus(bus) && (devfn == 0) &&

drivers/pci/controller/pcie-brcmstb.c

1481

if (!bus->parent || !pci_is_root_bus(bus->parent))

drivers/pci/controller/pcie-brcmstb.c

1519

if (!sr || !bus->parent || !pci_is_root_bus(bus->parent))

drivers/pci/controller/pcie-brcmstb.c

782

if (pci_is_root_bus(bus))

drivers/pci/controller/pcie-brcmstb.c

803

if (pci_is_root_bus(bus))

drivers/pci/controller/pcie-rcar-host.c

184

if (pci_is_root_bus(bus)) {

drivers/pci/controller/pcie-rcar-host.c

204

if (pci_is_root_bus(bus->parent))

drivers/pci/controller/pcie-rockchip-host.c

158

if (pci_is_root_bus(bus->parent))

drivers/pci/controller/pcie-rockchip-host.c

189

if (pci_is_root_bus(bus->parent))

drivers/pci/controller/pcie-rockchip-host.c

216

if (pci_is_root_bus(bus))

drivers/pci/controller/pcie-rockchip-host.c

231

if (pci_is_root_bus(bus))

drivers/pci/controller/pcie-rockchip-host.c

68

if (pci_is_root_bus(bus) || pci_is_root_bus(bus->parent))

drivers/pci/controller/pcie-rzg3s-host.c

390

bool type0 = pci_is_root_bus(bus->parent) ? true : false;

drivers/pci/controller/pcie-rzg3s-host.c

432

bool type0 = pci_is_root_bus(bus->parent) ? true : false;

drivers/pci/controller/pcie-xilinx-dma-pl.c

172

if (!pci_is_root_bus(bus)) {

drivers/pci/controller/pcie-xilinx-nwl.c

221

if (!pci_is_root_bus(bus)) {

drivers/pci/controller/pcie-xilinx.c

159

if (!pci_is_root_bus(bus)) {

drivers/pci/controller/plda/pcie-starfive.c

78

if (pci_is_root_bus(bus) && !devfn &&

drivers/pci/hotplug/acpiphp_glue.c

889

if (pci_is_root_bus(bridge->pci_bus)) {

drivers/pci/hotplug/acpiphp_glue.c

942

if (pci_is_root_bus(bridge->pci_bus)) {

drivers/pci/irq.c

113

while (!pci_is_root_bus(dev->bus)) {

drivers/pci/irq.c

133

while (!pci_is_root_bus(dev->bus)) {

drivers/pci/pci-acpi.c

1230

if (!pci_is_root_bus(bus))

drivers/pci/pci-acpi.c

1358

pci_is_root_bus(pci_dev->bus))

drivers/pci/pci-sysfs.c

541

if (!pci_is_root_bus(bus) && list_empty(&bus->devices))

drivers/pci/pci.c

3668

if (pci_is_root_bus(pdev->bus))

drivers/pci/pci.c

4869

if (pci_is_root_bus(dev->bus) || dev->subordinate ||

drivers/pci/pcie/aer.c

1705

pci_is_root_bus(dev->bus) ? "Root" : "Downstream", rc);

drivers/pci/probe.c

3315

if (!pci_is_root_bus(b))

drivers/pci/probe.c

3327

res, pci_is_root_bus(b) ? "domain " : "",

drivers/pci/probe.c

577

if (pci_is_root_bus(child)) /* It's a host bus, nothing to read */

drivers/pci/probe.c

971

for (b = bus, d = NULL; !d && !pci_is_root_bus(b); b = b->parent) {

drivers/pci/quirks.c

3817

if (!pci_is_root_bus(dev->bus))

drivers/pci/quirks.c

4413

if (!pci_is_root_bus(pdev->bus) &&

drivers/pci/quirks.c

4717

if (!dev->multifunction || !pci_is_root_bus(dev->bus))

drivers/pci/remove.c

146

if (!pci_is_root_bus(bus))

drivers/pci/remove.c

166

if (!pci_is_root_bus(bus))

drivers/pci/search.c

60

for (bus = pdev->bus; !pci_is_root_bus(bus); bus = bus->parent) {

drivers/pci/setup-bus.c

1416

if (pci_is_root_bus(bus)) {

drivers/pci/setup-bus.c

1718

if (pci_is_root_bus(bus))

drivers/pci/setup-bus.c

211

if (pci_is_root_bus(bus)) {

drivers/pci/setup-bus.c

2319

while (!pci_is_root_bus(bus)) {

drivers/pci/vc.c

124

pci_is_root_bus(dev->bus))

drivers/vfio/pci/vfio_pci_core.c

171

if (single_vga || !vfio_vga_disabled(vdev) || pci_is_root_bus(pdev->bus))

drivers/vfio/pci/vfio_pci_core.c

181

pci_is_root_bus(tmp->bus))

drivers/vfio/pci/vfio_pci_core.c

2259

if (pci_is_root_bus(pdev->bus) || pdev->is_virtfn) {

drivers/xen/grant-dma-ops.c

307

while (!pci_is_root_bus(bus))

include/linux/pci-acpi.h

38

while (!pci_is_root_bus(pbus))

include/linux/pci-acpi.h

48

if (pci_is_root_bus(pbus))

include/linux/pci.h

822

if (pci_is_root_bus(dev->bus))