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SubjectRe: [PATCH] x86/pci: fix intel_mid_pci.c build error when ACPI is not enabled
On Thu, Aug 13, 2020 at 12:58 PM Randy Dunlap <rdunlap@infradead.org> wrote:
>
> From: Randy Dunlap <rdunlap@infradead.org>
>
> 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@infradead.org>
> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
> Cc: Len Brown <lenb@kernel.org>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Jesse Barnes <jsbarnes@google.com>
> Cc: Arjan van de Ven <arjan@linux.intel.com>
> Cc: linux-pci@vger.kernel.org
> ---
> 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

Reviewed-by: Jesse Barnes <jsbarnes@google.com>

Thanks Randy. Another option is to remove the MID support entirely.

Jesse

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