<asm/pci_x86.h> uses EINVAL, __init, and raw_spinlock_t, so it should #include the appropriate files to prevent build errors. ../arch/x86/include/asm/pci_x86.h:150:10: error: ‘EINVAL’ undeclared (first use in this function) return -EINVAL; ../arch/x86/include/asm/pci_x86.h:105:8: error: unknown type name ‘raw_spinlock_t’ extern raw_spinlock_t pci_config_lock; ../arch/x86/include/asm/pci_x86.h:141:20: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘dmi_check_pciprobe’ extern void __init dmi_check_pciprobe(void); Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Mark Brown <broonie@xxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Borislav Petkov <bp@xxxxxxxxx> Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> Cc: x86@xxxxxxxxxx Cc: linux-pci@xxxxxxxxxxxxxxx --- Without this patch, I am seeing *many* build errors in linux-next-20220225. I don't know why this showed up in linux-next-20220225 all of a sudden. arch/x86/include/asm/pci_x86.h | 3 +++ 1 file changed, 3 insertions(+) --- linux-next-20220225.orig/arch/x86/include/asm/pci_x86.h +++ linux-next-20220225/arch/x86/include/asm/pci_x86.h @@ -5,7 +5,10 @@ * (c) 1999 Martin Mares <mj@xxxxxx> */ +#include <linux/errno.h> +#include <linux/init.h> #include <linux/ioport.h> +#include <linux/spinlock.h> #undef DEBUG
