| Message ID | 20220701085420.870306-4-yoshihiro.shimoda.uh@renesas.com |
|---|---|
| State | New |
| Headers | show |
| Series | treewide: PCI: renesas: Add R-Car Gen4 PCIe support | expand |
diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index 5dc73f766c38..72158e6af378 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -709,6 +709,9 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) } } + if (ep->ops->ep_pre_init) + ep->ops->ep_pre_init(ep); + dw_pcie_iatu_detect(pci); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "addr_space"); diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index b5f528536358..02dcc47749de 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -207,6 +207,7 @@ enum dw_pcie_as_type { }; struct dw_pcie_ep_ops { + void (*ep_pre_init)(struct dw_pcie_ep *ep); void (*ep_init)(struct dw_pcie_ep *ep); int (*raise_irq)(struct dw_pcie_ep *ep, u8 func_no, enum pci_epc_irq_type type, u16 interrupt_num);
Some PCIe endpoint controller needs vendor-specific initialization before the common code initialization. Add a nwe callback function ep_pre_init() for it. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> --- drivers/pci/controller/dwc/pcie-designware-ep.c | 3 +++ drivers/pci/controller/dwc/pcie-designware.h | 1 + 2 files changed, 4 insertions(+)