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 <[email protected]>
Reviewed-by: Minghuan Lian <[email protected]>
Reviewed-by: Subrahmanya Lingappa <[email protected]>
---
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

Reply via email to