| Message ID | aeda3061a51824cdd7cacab6a1288a155b8ba5e1.1566208109.git.eswara.kota@linux.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
| Series | PCI: Add map irq callback in dwc framework and add Intel PCIe driver | expand |
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index f93252d0da5b..ca7b40ff5c94 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -470,9 +470,13 @@ int dw_pcie_host_init(struct pcie_port *pp) bridge->sysdata = pp; bridge->busnr = pp->root_bus_nr; bridge->ops = &dw_pcie_ops; - bridge->map_irq = of_irq_parse_and_map_pci; bridge->swizzle_irq = pci_common_swizzle; + if (pp->map_irq) + bridge->map_irq = pp->map_irq; + else + bridge->map_irq = of_irq_parse_and_map_pci; + ret = pci_scan_root_bus_bridge(bridge); if (ret) goto err_free_msi; diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index ffed084a0b4f..bc3657800dfa 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -173,6 +173,7 @@ struct pcie_port { struct resource *busn; int irq; const struct dw_pcie_host_ops *ops; + int (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin); int msi_irq; struct irq_domain *irq_domain; struct irq_domain *msi_domain;
Certain platforms like Intel need to configure registers to enable the interrupts. Map Irq callback helps to perform platform specific configurations while assigning or enabling the interrupts. Signed-off-by: Dilip Kota <eswara.kota@linux.intel.com> --- changes on v2: Addressing review comments to use if else {} instead of ternary operator to improver code readability. drivers/pci/controller/dwc/pcie-designware-host.c | 6 +++++- drivers/pci/controller/dwc/pcie-designware.h | 1 + 2 files changed, 6 insertions(+), 1 deletion(-)