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PCI: host: Mark PCIe/PCI (MSI) cascade ISR as IRQF_NO_THREAD 

Similar as commit 8ff0ef996c ("PCI: host: Mark PCIe/PCI (MSI) IRQ cascade
handlers as IRQF_NO_THREAD"), we should mark PCIe/PCI (MSI) IRQ cascade
handlers in designware, qcom, and vmd as IRQF_NO_THREAD explicitly.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>	# vmd
Acked-by: Jingoo Han <jingoohan1@gmail.com>	# pcie-designware-plat.c
This commit is contained in:
Jisheng Zhang 2017-04-20 18:27:18 +08:00 committed by Bjorn Helgaas
parent 769b461fc0
commit 3eefa790c9
3 changed files with 6 additions and 3 deletions
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3
drivers/pci/dwc/pcie-designware-plat.c
View File

@ -67,7 +67,8 @@ static int dw_plat_add_pcie_port(struct pcie_port *pp,
ret = devm_request_irq(dev, pp->msi_irq,
dw_plat_pcie_msi_irq_handler,
IRQF_SHARED, "dw-plat-pcie-msi", pp);
IRQF_SHARED | IRQF_NO_THREAD,
"dw-plat-pcie-msi", pp);
if (ret) {
dev_err(dev, "failed to request MSI IRQ\n");
return ret;

3
drivers/pci/dwc/pcie-qcom.c
View File

@ -727,7 +727,8 @@ static int qcom_pcie_probe(struct platform_device *pdev)
ret = devm_request_irq(dev, pp->msi_irq,
qcom_pcie_msi_irq_handler,
IRQF_SHARED, "qcom-pcie-msi", pp);
IRQF_SHARED | IRQF_NO_THREAD,
"qcom-pcie-msi", pp);
if (ret) {
dev_err(dev, "cannot request msi irq\n");
return ret;

3
drivers/pci/host/vmd.c
View File

@ -704,7 +704,8 @@ static int vmd_probe(struct pci_dev *dev, const struct pci_device_id *id)
INIT_LIST_HEAD(&vmd->irqs[i].irq_list);
err = devm_request_irq(&dev->dev, pci_irq_vector(dev, i),
vmd_irq, 0, "vmd", &vmd->irqs[i]);
vmd_irq, IRQF_NO_THREAD,
"vmd", &vmd->irqs[i]);
if (err)
return err;
}