This is a note to let you know that I've just added the patch titled x86/PCI: Fix intel_mid_pci.c build error when ACPI is not enabled to the 5.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: x86-pci-fix-intel_mid_pci.c-build-error-when-acpi-is-not-enabled.patch and it can be found in the queue-5.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 035fff1f7aab43e420e0098f0854470a5286fb83 Mon Sep 17 00:00:00 2001 From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Date: Fri, 21 Aug 2020 17:10:27 -0700 Subject: x86/PCI: Fix intel_mid_pci.c build error when ACPI is not enabled MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> commit 035fff1f7aab43e420e0098f0854470a5286fb83 upstream. 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(); Fixes: a912a7584ec3 ("x86/platform/intel-mid: Move PCI initialization to arch_init()") Link: https://lore.kernel.org/r/ea903917-e51b-4cc9-2680-bc1e36efa026@xxxxxxxxxxxxx Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> Reviewed-by: Jesse Barnes <jsbarnes@xxxxxxxxxx> Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx # v4.16+ Cc: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx> Cc: Len Brown <lenb@xxxxxxxxxx> Cc: Jesse Barnes <jsbarnes@xxxxxxxxxx> Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/x86/pci/intel_mid_pci.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/x86/pci/intel_mid_pci.c +++ b/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 Patches currently in stable-queue which might be from rdunlap@xxxxxxxxxxxxx are queue-5.9/x86-pci-fix-intel_mid_pci.c-build-error-when-acpi-is-not-enabled.patch