On Thu, Feb 13, 2020 at 12:06:33PM +0800, Zhiqiang Hou wrote:
> From: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
>
> Move the host initialization related operations into a new
> routine such that it can be reused by other incoming platform's
> PCIe host driver, in which the Mobiveil GPEX is integrated.
>
> Change the subject and change log slightly.
> Change the function mobiveil_pcie_host_probe to static.
> Add back the comments that was lost in v9.
I removed the paragraph above since it is a leftover and
does not belong in the commit log.
Lorenzo
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
> ---
> V10:
> - Refined the subject and change log.
> - Changed the mobiveil_pcie_host_probe() to a static function.
> - Added back the lost comments.
>
> drivers/pci/controller/pcie-mobiveil.c | 39 +++++++++++++++-----------
> 1 file changed, 23 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c
> index d4de560cd711..01df04ea5b48 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",},
> {},
> --
> 2.17.1
>
