From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Fix build error when CONFIG_ACPI is not set/enabled by adding the header file <asm/acpi.h> which contains a stub for the function in the build error. ../arch/x86/pci/intel_mid_pci.c: In function ‘intel_mid_pci_init’: ../arch/x86/pci/intel_mid_pci.c:303:2: error: implicit declaration of function ‘acpi_noirq_set’; did you mean ‘acpi_irq_get’? [-Werror=implicit-function-declaration] acpi_noirq_set(); Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx> Cc: Len Brown <lenb@xxxxxxxxxx> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Cc: Jesse Barnes <jsbarnes@xxxxxxxxxx> Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx> Cc: linux-pci@xxxxxxxxxxxxxxx --- Found in linux-next, but applies to/exists in mainline also. Alternative.1: X86_INTEL_MID depends on ACPI Alternative.2: drop X86_INTEL_MID support arch/x86/pci/intel_mid_pci.c | 1 + 1 file changed, 1 insertion(+) --- linux-next-20200813.orig/arch/x86/pci/intel_mid_pci.c +++ linux-next-20200813/arch/x86/pci/intel_mid_pci.c @@ -33,6 +33,7 @@ #include <asm/hw_irq.h> #include <asm/io_apic.h> #include <asm/intel-mid.h> +#include <asm/acpi.h> #define PCIE_CAP_OFFSET 0x100
