acpi_parse_spcr   235 arch/arm64/kernel/acpi.c 		acpi_parse_spcr(earlycon_acpi_spcr_enable, true);
acpi_parse_spcr  1629 arch/x86/kernel/acpi/boot.c 	acpi_parse_spcr(earlycon_acpi_spcr_enable, false);
acpi_parse_spcr  1241 include/linux/acpi.h int acpi_parse_spcr(bool enable_earlycon, bool enable_console);