ARM: integrator: move syscon remap for AP PCIv3

The Integrator/AP syscon remapping was done in the .setup()
function rather than .preinit() which is wrong - .preinit()
is called before .setup() and the former also use the syscon
base and cause a crash since it was not yet remapped.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index be50e79..e7fcea7 100644 (file)
--- 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;
 
        /*