| Message ID | 20220905071257.1059436-6-yoshihiro.shimoda.uh@renesas.com |
|---|---|
| State | New |
| Headers | show |
| Series | treewide: PCI: renesas: Add R-Car Gen4 PCIe support | expand |
"PCI: designware-ep" in the prefix, since this is specific to ep. There are several "PCI: dwc" prefixes, but those are typically things that affect several dwc-based drivers. On Mon, Sep 05, 2022 at 04:12:50PM +0900, Yoshihiro Shimoda wrote: > Some PCIe endpoint controller needs vendor-specific initialization > before the common code initialization. Add a nwe callback function > ep_pre_init() for it. s/Some ... controller needs/Some ... controllers need/ s/nwe/new/
diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index ca8f1804ee10..1b7e9e1b8d52 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) dw_pcie_version_detect(pci); + if (ep->ops->ep_pre_init) + ep->ops->ep_pre_init(ep); + dw_pcie_iatu_detect(pci); ep->ib_window_map = devm_bitmap_zalloc(dev, pci->num_ib_windows, diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index b541f653c209..9ed9621a12e4 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -317,6 +317,7 @@ struct dw_pcie_rp { }; 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(+)