Index: uspace/lib/usbhost/include/usb/host/batch.h
===================================================================
--- uspace/lib/usbhost/include/usb/host/batch.h	(revision 17fc40c3a80b87898548f369664cd1e822f98ab7)
+++ uspace/lib/usbhost/include/usb/host/batch.h	(revision b72efe87f3e33beaa3b0d0cf7c8b598a58f6a6de)
@@ -61,4 +61,18 @@
 };
 
+/** Printf formatting string for dumping usb_transfer_batch_t. */
+#define USB_TRANSFER_BATCH_FMT "[%d:%d %s %s-%s %zuB/%zu]"
+
+/** Printf arguments for dumping usb_transfer_batch_t.
+ * @param batch USB transfer batch to be dumped.
+ */
+#define USB_TRANSFER_BATCH_ARGS(batch) \
+	(batch).ep->address, (batch).ep->endpoint, \
+	usb_str_speed((batch).ep->speed), \
+	usb_str_transfer_type_short((batch).ep->transfer_type), \
+	usb_str_direction((batch).ep->direction), \
+	(batch).buffer_size, (batch).ep->max_packet_size
+
+
 void usb_transfer_batch_init(
     usb_transfer_batch_t *instance,
Index: uspace/lib/usbhost/src/batch.c
===================================================================
--- uspace/lib/usbhost/src/batch.c	(revision 17fc40c3a80b87898548f369664cd1e822f98ab7)
+++ uspace/lib/usbhost/src/batch.c	(revision b72efe87f3e33beaa3b0d0cf7c8b598a58f6a6de)
@@ -128,10 +128,7 @@
 	memcpy(instance->buffer, instance->data_buffer, instance->buffer_size);
 
-	usb_log_debug("Batch(%p) done (T%d.%d, %s %s in, %zuB): %s (%d).\n",
-	    instance, instance->ep->address, instance->ep->endpoint,
-	    usb_str_speed(instance->ep->speed),
-	    usb_str_transfer_type_short(instance->ep->transfer_type),
-	    instance->transfered_size, str_error(instance->error),
-	    instance->error);
+	usb_log_debug("Batch %p " USB_TRANSFER_BATCH_FMT " completed (%zuB): %s.\n",
+	    instance, USB_TRANSFER_BATCH_ARGS(*instance),
+	    instance->transfered_size, str_error(instance->error));
 
 	instance->callback_in(instance->fun, instance->error,
@@ -148,9 +145,7 @@
 	assert(instance->callback_out);
 
-	usb_log_debug("Batch(%p) done (T%d.%d, %s %s out): %s (%d).\n",
-	    instance, instance->ep->address, instance->ep->endpoint,
-	    usb_str_speed(instance->ep->speed),
-	    usb_str_transfer_type_short(instance->ep->transfer_type),
-	    str_error(instance->error), instance->error);
+	usb_log_debug("Batch %p " USB_TRANSFER_BATCH_FMT " completed: %s.\n",
+	    instance, USB_TRANSFER_BATCH_ARGS(*instance),
+	    str_error(instance->error));
 
 	instance->callback_out(instance->fun,
@@ -165,5 +160,6 @@
 {
 	assert(instance);
-	usb_log_debug("Batch(%p) disposing.\n", instance);
+	usb_log_debug2("Batch %p " USB_TRANSFER_BATCH_FMT " disposing.\n",
+	    instance, USB_TRANSFER_BATCH_ARGS(*instance));
 	if (instance->private_data) {
 		assert(instance->private_data_dtor);