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Subject[PATCHv3 12/27] PCI: mobiveil: move out the link up waiting from mobiveil_host_init
Date
From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>

Host initial sequence does not depend on PCIe link up, so move it
to the place just before the enumeration.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com>
---
V3:
- No change

drivers/pci/controller/pcie-mobiveil.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c
index 8eee1ab7ee24..c2848c22b466 100644
--- a/drivers/pci/controller/pcie-mobiveil.c
+++ b/drivers/pci/controller/pcie-mobiveil.c
@@ -582,15 +582,8 @@ static void mobiveil_pcie_enable_msi(struct mobiveil_pcie *pcie)
static int mobiveil_host_init(struct mobiveil_pcie *pcie)
{
u32 value, pab_ctrl, type;
- 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
@@ -662,7 +655,7 @@ 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)
@@ -922,6 +915,12 @@ 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)
--
2.17.1
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