Index: uspace/lib/ata/include/ata/ata.h
===================================================================
--- uspace/lib/ata/include/ata/ata.h	(revision 9739b5af8a6faa9400241c441fc23de1f57fdb18)
+++ uspace/lib/ata/include/ata/ata.h	(revision 1c7b0db74df8719e04681d4bc3e525afc847a1bd)
@@ -1,4 +1,4 @@
 /*
- * Copyright (c) 2024 Jiri Svoboda
+ * Copyright (c) 2025 Jiri Svoboda
  * All rights reserved.
  *
@@ -201,4 +201,5 @@
 extern errno_t ata_channel_initialize(ata_channel_t *);
 extern errno_t ata_channel_destroy(ata_channel_t *);
+extern void ata_channel_quiesce(ata_channel_t *);
 extern void ata_channel_irq(ata_channel_t *, uint8_t);
 extern void ata_connection(ipc_call_t *, ata_device_t *);
Index: uspace/lib/ata/include/ata/ata_hw.h
===================================================================
--- uspace/lib/ata/include/ata/ata_hw.h	(revision 9739b5af8a6faa9400241c441fc23de1f57fdb18)
+++ uspace/lib/ata/include/ata/ata_hw.h	(revision 1c7b0db74df8719e04681d4bc3e525afc847a1bd)
@@ -1,4 +1,4 @@
 /*
- * Copyright (c) 2024 Jiri Svoboda
+ * Copyright (c) 2025 Jiri Svoboda
  * All rights reserved.
  *
@@ -106,4 +106,5 @@
 #define REG_COMMAND offsetof(ata_cmd_t, command)
 #define REG_FEATURES offsetof(ata_cmd_t, features)
+#define REG_DEVCTL offsetof(ata_ctl_t, device_control)
 
 enum devctl_bits {