Index: uspace/drv/bus/usb/usbmid/dump.c
===================================================================
--- uspace/drv/bus/usb/usbmid/dump.c	(revision 8a121b1fdd1be03445fd6d5c9d9a38c69090c325)
+++ uspace/drv/bus/usb/usbmid/dump.c	(revision 7c95d6f581cca56abbce43deed7b2c4c3e46e2b2)
@@ -93,5 +93,5 @@
 static void dump_tree(usb_dp_parser_t *parser, usb_dp_parser_data_t *data)
 {
-	uint8_t *ptr = data->data;
+	const uint8_t *ptr = data->data;
 	dump_tree_internal(parser, data, ptr, 0);
 }
Index: uspace/drv/bus/usb/usbmid/explore.c
===================================================================
--- uspace/drv/bus/usb/usbmid/explore.c	(revision 8a121b1fdd1be03445fd6d5c9d9a38c69090c325)
+++ uspace/drv/bus/usb/usbmid/explore.c	(revision 7c95d6f581cca56abbce43deed7b2c4c3e46e2b2)
@@ -73,8 +73,8 @@
  * @param list List where to add the interfaces.
  */
-static void create_interfaces(uint8_t *config_descriptor,
+static void create_interfaces(const uint8_t *config_descriptor,
     size_t config_descriptor_size, list_t *list)
 {
-	usb_dp_parser_data_t data = {
+	const usb_dp_parser_data_t data = {
 		.data = config_descriptor,
 		.size = config_descriptor_size,
@@ -149,8 +149,8 @@
 
 	/* Short cuts to save on typing ;-). */
-	uint8_t *config_descriptor_raw = dev->descriptors.configuration;
+	const void *config_descriptor_raw = dev->descriptors.configuration;
 	size_t config_descriptor_size = dev->descriptors.configuration_size;
-	usb_standard_configuration_descriptor_t *config_descriptor =
-	    (usb_standard_configuration_descriptor_t *) config_descriptor_raw;
+	const usb_standard_configuration_descriptor_t *config_descriptor =
+	    config_descriptor_raw;
 
 	/* Select the first configuration */