ACPI_AML_IN_USER
ret = !__acpi_aml_access_ok(ACPI_AML_IN_USER) ||
__acpi_aml_writable(&acpi_aml_io.in_crc, ACPI_AML_IN_USER);
#define ACPI_AML_USER (ACPI_AML_IN_USER | ACPI_AML_OUT_USER)
ret = acpi_aml_lock_write(crc, ACPI_AML_IN_USER);
acpi_aml_unlock_fifo(ACPI_AML_IN_USER, ret >= 0);