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PCI: dwc: Add ->get_features() callback function to dw_pcie_ep_ops
Each platform using Designware PCIe core can support different set of endpoint features. Add a new callback function ->get_features() in dw_pcie_ep_ops so that each platform using Designware PCIe core can advertise its supported features to the endpoint function driver. Tested-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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@ -355,6 +355,17 @@ static int dw_pcie_ep_start(struct pci_epc *epc)
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return pci->ops->start_link(pci);
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}
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static const struct pci_epc_features*
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dw_pcie_ep_get_features(struct pci_epc *epc, u8 func_no)
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{
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struct dw_pcie_ep *ep = epc_get_drvdata(epc);
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if (!ep->ops->get_features)
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return NULL;
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return ep->ops->get_features(ep);
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}
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static const struct pci_epc_ops epc_ops = {
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.write_header = dw_pcie_ep_write_header,
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.set_bar = dw_pcie_ep_set_bar,
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@ -368,6 +379,7 @@ static const struct pci_epc_ops epc_ops = {
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.raise_irq = dw_pcie_ep_raise_irq,
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.start = dw_pcie_ep_start,
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.stop = dw_pcie_ep_stop,
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.get_features = dw_pcie_ep_get_features,
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};
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int dw_pcie_ep_raise_legacy_irq(struct dw_pcie_ep *ep, u8 func_no)
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@ -192,6 +192,7 @@ struct dw_pcie_ep_ops {
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void (*ep_init)(struct dw_pcie_ep *ep);
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int (*raise_irq)(struct dw_pcie_ep *ep, u8 func_no,
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enum pci_epc_irq_type type, u16 interrupt_num);
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const struct pci_epc_features* (*get_features)(struct dw_pcie_ep *ep);
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};
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struct dw_pcie_ep {
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