There will be more modules coming here, so, introduce a separate
Makefile and include it in parent one via obj-$(CONFIG_X86).
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 acpi-y                         += sysfs.o
 acpi-y                         += property.o
 acpi-$(CONFIG_X86)             += acpi_cmos_rtc.o
-acpi-$(CONFIG_X86)             += x86/apple.o
-acpi-$(CONFIG_X86)             += x86/utils.o
-acpi-$(CONFIG_X86)             += x86/s2idle.o
 acpi-$(CONFIG_DEBUG_FS)                += debugfs.o
 acpi-y                         += acpi_lpat.o
 acpi-$(CONFIG_ACPI_FPDT)       += acpi_fpdt.o
 obj-$(CONFIG_ACPI_VIOT)                += viot.o
 
 obj-$(CONFIG_RISCV)            += riscv/
+obj-$(CONFIG_X86)              += x86/
 
--- /dev/null
+obj-$(CONFIG_ACPI)     += acpi-x86.o
+acpi-x86-y             += apple.o
+acpi-x86-y             += s2idle.o
+acpi-x86-y             += utils.o