The host initializing sequence does not depend on PCIe link up, so move it to the plac just before the enumeration. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx> Reviewed-by: Minghuan Lian <Minghuan.Lian@xxxxxxx> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@xxxxxxxxxxxxxx> --- V6: - Rebased the patch, no functional change. drivers/pci/controller/pcie-mobiveil.c | 15 +++++++-------- 1 files changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c index 9e08061..8f92f05 100644 --- a/drivers/pci/controller/pcie-mobiveil.c +++ b/drivers/pci/controller/pcie-mobiveil.c @@ -561,15 +561,8 @@ static void mobiveil_pcie_enable_msi(struct mobiveil_pcie *pcie) static int mobiveil_host_init(struct mobiveil_pcie *pcie) { u32 value, pab_ctrl, type = 0; - int err; struct resource_entry *win; - err = mobiveil_bringup_link(pcie); - if (err) { - dev_info(&pcie->pdev->dev, "link bring-up failed\n"); - return err; - } - /* * program Bus Master Enable Bit in Command Register in PAB Config * Space @@ -635,7 +628,7 @@ static int mobiveil_host_init(struct mobiveil_pcie *pcie) /* setup MSI hardware registers */ mobiveil_pcie_enable_msi(pcie); - return err; + return 0; } static void mobiveil_mask_intx_irq(struct irq_data *data) @@ -892,6 +885,12 @@ static int mobiveil_pcie_probe(struct platform_device *pdev) bridge->map_irq = of_irq_parse_and_map_pci; bridge->swizzle_irq = pci_common_swizzle; + ret = mobiveil_bringup_link(pcie); + if (ret) { + dev_info(dev, "link bring-up failed\n"); + goto error; + } + /* setup the kernel resources for the newly added PCIe root bus */ ret = pci_scan_root_bus_bridge(bridge); if (ret) -- 1.7.1