PCI: qcom: Use default config space read function (322f0343) · Commits · 戴 / test

drivers/pci/controller/dwc/pcie-qcom.c

+6 −17

Original line number	Diff line number	Diff line
		@@ -1129,25 +1129,8 @@ err_deinit:
		return ret;
		}

		static int qcom_pcie_rd_own_conf(struct pcie_port *pp, int where, int size,
		u32 *val)
		{
		struct dw_pcie *pci = to_dw_pcie_from_pp(pp);

		/* the device class is not reported correctly from the register */
		if (where == PCI_CLASS_REVISION && size == 4) {
		*val = readl(pci->dbi_base + PCI_CLASS_REVISION);
		val &= 0xff; / keep revision id */
		*val \|= PCI_CLASS_BRIDGE_PCI << 16;
		return PCIBIOS_SUCCESSFUL;
		}

		return dw_pcie_read(pci->dbi_base + where, size, val);
		}

		static const struct dw_pcie_host_ops qcom_pcie_dw_ops = {
		.host_init = qcom_pcie_host_init,
		.rd_own_conf = qcom_pcie_rd_own_conf,
		};

		/* Qcom IP rev.: 2.1.0 Synopsys IP rev.: 4.01a */
		@@ -1309,6 +1292,12 @@ static const struct of_device_id qcom_pcie_match[] = {
		{ }
		};

		static void qcom_fixup_class(struct pci_dev *dev)
		{
		dev->class = PCI_CLASS_BRIDGE_PCI << 8;
		}
		DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, PCI_ANY_ID, qcom_fixup_class);

		static struct platform_driver qcom_pcie_driver = {
		.probe = qcom_pcie_probe,
		.driver = {