ack_preserve_mask 197 drivers/mailbox/pcc.c doorbell_ack_preserve = pcct2_ss->ack_preserve_mask; ack_preserve_mask 1251 include/acpi/actbl2.h u64 ack_preserve_mask; ack_preserve_mask 1271 include/acpi/actbl2.h u64 ack_preserve_mask; ack_preserve_mask 1299 include/acpi/actbl2.h u64 ack_preserve_mask;