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PCI: mobiveil: Move the host initialization into a function

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Move the host initialization related operations into a new
function so that it can be reused by other platform
PCIe host drivers integrating the Mobiveil GPEX.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Andrew Murray <amurray@thegoodpenguin.co.uk>
This commit is contained in:
Hou Zhiqiang 2020-02-13 12:06:33 +08:00 committed by Lorenzo Pieralisi
parent 1f442218d6
commit 2ba24842d6
1 changed files with 23 additions and 16 deletions
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39
drivers/pci/controller/pcie-mobiveil.c
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@ -873,27 +873,15 @@ static int mobiveil_pcie_init_irq_domain(struct mobiveil_pcie *pcie)
return 0;
}
static int mobiveil_pcie_probe(struct platform_device *pdev)
static int mobiveil_pcie_host_probe(struct mobiveil_pcie *pcie)
{
struct mobiveil_pcie *pcie;
struct mobiveil_root_port *rp = &pcie->rp;
struct pci_host_bridge *bridge = rp->bridge;
struct device *dev = &pcie->pdev->dev;
struct pci_bus *bus;
struct pci_bus *child;
struct pci_host_bridge *bridge;
struct device *dev = &pdev->dev;
struct mobiveil_root_port *rp;
int ret;
/* allocate the PCIe port */
bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie));
if (!bridge)
return -ENOMEM;
pcie = pci_host_bridge_priv(bridge);
rp = &pcie->rp;
rp->bridge = bridge;
pcie->pdev = pdev;
ret = mobiveil_pcie_parse_dt(pcie);
if (ret) {
dev_err(dev, "Parsing DT failed, ret: %x\n", ret);
@ -956,6 +944,25 @@ static int mobiveil_pcie_probe(struct platform_device *pdev)
return 0;
}
static int mobiveil_pcie_probe(struct platform_device *pdev)
{
struct mobiveil_pcie *pcie;
struct pci_host_bridge *bridge;
struct device *dev = &pdev->dev;
/* allocate the PCIe port */
bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie));
if (!bridge)
return -ENOMEM;
pcie = pci_host_bridge_priv(bridge);
pcie->rp.bridge = bridge;
pcie->pdev = pdev;
return mobiveil_pcie_host_probe(pcie);
}
static const struct of_device_id mobiveil_pcie_of_match[] = {
{.compatible = "mbvl,gpex40-pcie",},
{},