hook_fault_code is an ARM32 specific API for hooking into data abort. Since pci-keystone.c will be used for AM65X platforms which is an ARM64 platform, allow hook_fault_code to be compiled only for ARM32.
Signed-off-by: Kishon Vijay Abraham I <[email protected]> --- drivers/pci/controller/dwc/pci-keystone.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index e8328039a017..91337e9c87a5 100644 --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -493,6 +493,7 @@ static int ks_pcie_config_legacy_irq(struct keystone_pcie *ks_pcie) return 0; } +#ifdef CONFIG_ARM /* * When a PCI device does not exist during config cycles, keystone host gets a * bus error instead of returning 0xffffffff. This handler always returns 0 @@ -512,6 +513,7 @@ static int ks_pcie_fault(unsigned long addr, unsigned int fsr, return 0; } +#endif static void ks_pcie_setup_mem_space(struct keystone_pcie *ks_pcie) { @@ -592,12 +594,14 @@ static int __init ks_pcie_host_init(struct pcie_port *pp) if (ret < 0) return ret; +#ifdef CONFIG_ARM /* * PCIe access errors that result into OCP errors are caught by ARM as * "External aborts" */ hook_fault_code(17, ks_pcie_fault, SIGBUS, 0, "Asynchronous external abort"); +#endif ks_pcie_start_link(pci); return dw_pcie_wait_for_link(pci); -- 2.17.1
