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authorHou Zhiqiang <Zhiqiang.Hou@nxp.com>2020-02-13 05:06:33 +0100
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2020-02-21 12:53:22 +0100
commit2ba24842d6b42453dbc9dfffdf5faf0cec2d7698 (patch)
treea4b5618566f70ea1b712577b52fb5feef821caf0 /drivers/pci
parentPCI: mobiveil: Introduce a new structure mobiveil_root_port (diff)
downloadlinux-2ba24842d6b42453dbc9dfffdf5faf0cec2d7698.tar.xz
linux-2ba24842d6b42453dbc9dfffdf5faf0cec2d7698.zip
PCI: mobiveil: Move the host initialization into a function
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>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/controller/pcie-mobiveil.c39
1 files changed, 23 insertions, 16 deletions
diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c
index a7c2354465a1..d7ef0880edb2 100644
--- a/drivers/pci/controller/pcie-mobiveil.c
+++ b/drivers/pci/controller/pcie-mobiveil.c
@@ -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",},
{},