On Sat, Apr 06, 2024 at 11:33:41PM -0700, Kuppuswamy Sathyanarayanan wrote: > The function acpi_blacklisted() is defined only when CONFIG_X86 is > enabled. So to keep it consistent, protect its declaration with > CONFIG_X86. ... > extern char acpi_video_backlight_string[]; > extern long acpi_is_video_device(acpi_handle handle); > +#ifdef CONFIG_X86 > extern int acpi_blacklisted(void); > +#endif > extern void acpi_osi_setup(char *str); > extern bool acpi_osi_is_win8(void); IIRC there is already similar ifdeffery, can we just move the declaration there? -- With Best Regards, Andy Shevchenko