This patch enables arm64 support to iProc PCIe driver by wrapping
ARM 32-bit specific PCI APIs with CONFIG_ARM

Signed-off-by: Ray Jui <[email protected]>
Reviewed-by: Scott Branden <[email protected]>
---
 drivers/pci/host/pcie-iproc.c |   12 ++++++++++++
 drivers/pci/host/pcie-iproc.h |    2 ++
 2 files changed, 14 insertions(+)

diff --git a/drivers/pci/host/pcie-iproc.c b/drivers/pci/host/pcie-iproc.c
index d77481e..a76b4df 100644
--- a/drivers/pci/host/pcie-iproc.c
+++ b/drivers/pci/host/pcie-iproc.c
@@ -58,10 +58,12 @@
 #define SYS_RC_INTX_EN               0x330
 #define SYS_RC_INTX_MASK             0xf
 
+#ifdef CONFIG_ARM
 static inline struct iproc_pcie *sys_to_pcie(struct pci_sys_data *sys)
 {
        return sys->private_data;
 }
+#endif
 
 /**
  * Note access to the configuration registers are protected at the higher layer
@@ -71,8 +73,12 @@ static void __iomem *iproc_pcie_map_cfg_bus(struct pci_bus 
*bus,
                                            unsigned int devfn,
                                            int where)
 {
+#ifdef CONFIG_ARM
        struct pci_sys_data *sys = bus->sysdata;
        struct iproc_pcie *pcie = sys_to_pcie(sys);
+#else
+       struct iproc_pcie *pcie = bus->sysdata;
+#endif
        unsigned slot = PCI_SLOT(devfn);
        unsigned fn = PCI_FUNC(devfn);
        unsigned busno = bus->number;
@@ -208,10 +214,14 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct 
list_head *res)
 
        iproc_pcie_reset(pcie);
 
+#ifdef CONFIG_ARM
        pcie->sysdata.private_data = pcie;
 
        bus = pci_create_root_bus(pcie->dev, 0, &iproc_pcie_ops,
                                  &pcie->sysdata, res);
+#else
+       bus = pci_create_root_bus(pcie->dev, 0, &iproc_pcie_ops, pcie, res);
+#endif
        if (!bus) {
                dev_err(pcie->dev, "unable to create PCI root bus\n");
                ret = -ENOMEM;
@@ -229,7 +239,9 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct 
list_head *res)
 
        pci_scan_child_bus(bus);
        pci_assign_unassigned_bus_resources(bus);
+#ifdef CONFIG_ARM
        pci_fixup_irqs(pci_common_swizzle, pcie->map_irq);
+#endif
        pci_bus_add_devices(bus);
 
        return 0;
diff --git a/drivers/pci/host/pcie-iproc.h b/drivers/pci/host/pcie-iproc.h
index ba0a108..12aaac4 100644
--- a/drivers/pci/host/pcie-iproc.h
+++ b/drivers/pci/host/pcie-iproc.h
@@ -29,7 +29,9 @@
 struct iproc_pcie {
        struct device *dev;
        void __iomem *base;
+#ifdef CONFIG_ARM
        struct pci_sys_data sysdata;
+#endif
        struct pci_bus *root_bus;
        struct phy *phy;
        int irqs[IPROC_PCIE_MAX_NUM_IRQS];
-- 
1.7.9.5

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