Index: uspace/drv/block/isa-ide/isa-ide.c
===================================================================
--- uspace/drv/block/isa-ide/isa-ide.c	(revision 56210a7aca94cc904bb253efade72fb9a4cc1a40)
+++ uspace/drv/block/isa-ide/isa-ide.c	(revision 0dab4850c8601c3ffb2cf910cb99650e1766ff26)
@@ -1,4 +1,4 @@
 /*
- * Copyright (c) 2024 Jiri Svoboda
+ * Copyright (c) 2025 Jiri Svoboda
  * All rights reserved.
  *
@@ -103,4 +103,6 @@
 	ddf_msg(LVL_DEBUG, "isa_ide_ctrl_init()");
 
+	memset(&params, 0, sizeof(params));
+
 	chan->ctrl = ctrl;
 	chan->chan_id = chan_id;
@@ -136,4 +138,5 @@
 
 	params.arg = (void *)chan;
+	params.use_dma = false;
 	params.have_irq = (chan->irq >= 0) ? true : false;
 	params.write_data_16 = isa_ide_write_data_16;