dbbuf_db 307 drivers/nvme/host/pci.c static bool nvme_dbbuf_update_and_check_event(u16 value, u32 *dbbuf_db, dbbuf_db 310 drivers/nvme/host/pci.c if (dbbuf_db) { dbbuf_db 319 drivers/nvme/host/pci.c old_value = *dbbuf_db; dbbuf_db 320 drivers/nvme/host/pci.c *dbbuf_db = value;