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-rw-r--r--arch/arm/mach-integrator/pci_v3.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index be50e795536d..e7fcea7f3300 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -475,13 +475,12 @@ int __init pci_v3_setup(int nr, struct pci_sys_data *sys)
{
int ret = 0;
+ if (!ap_syscon_base)
+ return -EINVAL;
+
if (nr == 0) {
sys->mem_offset = PHYS_PCI_MEM_BASE;
ret = pci_v3_setup_resources(sys);
- /* Remap the Integrator system controller */
- ap_syscon_base = ioremap(INTEGRATOR_SC_BASE, 0x100);
- if (!ap_syscon_base)
- return -EINVAL;
}
return ret;
@@ -497,6 +496,13 @@ void __init pci_v3_preinit(void)
unsigned int temp;
int ret;
+ /* Remap the Integrator system controller */
+ ap_syscon_base = ioremap(INTEGRATOR_SC_BASE, 0x100);
+ if (!ap_syscon_base) {
+ pr_err("unable to remap the AP syscon for PCIv3\n");
+ return;
+ }
+
pcibios_min_mem = 0x00100000;
/*
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