Index: uspace/drv/bus/usb/ohci/root_hub.c
===================================================================
--- uspace/drv/bus/usb/ohci/root_hub.c	(revision 668a2e8367d0f5f467b2b9268a2f17c346c701d1)
+++ uspace/drv/bus/usb/ohci/root_hub.c	(revision 9f807c3ea076bd3f30e4813f325a2d5b660cefb7)
@@ -347,9 +347,9 @@
 	    instance->interrupt_mask_size;
 
-	instance->descriptors.configuration.total_length =
+	instance->descriptors.configuration.total_length = uint16_host2usb(
 	    sizeof(usb_standard_configuration_descriptor_t) +
 	    sizeof(usb_standard_endpoint_descriptor_t) +
 	    sizeof(usb_standard_interface_descriptor_t) +
-	    instance->hub_descriptor_size;
+	    instance->hub_descriptor_size);
 }
 /*----------------------------------------------------------------------------*/
@@ -492,6 +492,8 @@
 	usb_device_request_setup_packet_t *setup_request =
 	    (usb_device_request_setup_packet_t *) request->setup_buffer;
-	const int setup_request_value = uint16_usb2host(setup_request->value);
-	switch (setup_request_value)
+	/* "The wValue field specifies the descriptor type in the high byte
+	 * and the descriptor index in the low byte (refer to Table 9-5)." */
+	const int desc_type = uint16_usb2host(setup_request->value) >> 8;
+	switch (desc_type)
 	{
 	case USB_DESCTYPE_HUB:
@@ -540,5 +542,5 @@
 		    setup_request->value,
 		    setup_request->request_type, setup_request->request,
-		    setup_request_value, setup_request->index,
+		    desc_type, setup_request->index,
 		    setup_request->length);
 		TRANSFER_END(request, EINVAL);
Index: uspace/lib/usbdev/src/request.c
===================================================================
--- uspace/lib/usbdev/src/request.c	(revision 668a2e8367d0f5f467b2b9268a2f17c346c701d1)
+++ uspace/lib/usbdev/src/request.c	(revision 9f807c3ea076bd3f30e4813f325a2d5b660cefb7)
@@ -114,5 +114,5 @@
   * 	(in native endianness).
   * @param actual_data_size Actual size of transfered data
-  * 	(in native endianness).
+  *        (in native endianness).
   * @return Error code.
   * @retval EBADMEM @p pipe is NULL.
@@ -147,7 +147,7 @@
 		    | (request_type << 5) | recipient,
 		.request = request,
-		.value = value,
-		.index = index,
-		.length = (uint16_t) data_size,
+		.value = uint16_host2usb(value),
+		.index = uint16_host2usb(index),
+		.length = uint16_host2usb(data_size),
 	};
 
@@ -375,5 +375,5 @@
 	usb_standard_device_descriptor_t descriptor_tmp;
 	int rc = usb_request_get_descriptor(pipe,
-	    USB_REQUEST_TYPE_STANDARD, USB_REQUEST_RECIPIENT_DEVICE, 
+	    USB_REQUEST_TYPE_STANDARD, USB_REQUEST_RECIPIENT_DEVICE,
 	    USB_DESCTYPE_DEVICE, 0, 0,
 	    &descriptor_tmp, sizeof(descriptor_tmp),
@@ -435,5 +435,5 @@
 	/* Everything is okay, copy the descriptor. */
 	memcpy(descriptor, &descriptor_tmp, sizeof(descriptor_tmp));
-
+	descriptor->total_length = uint16_usb2host(descriptor_tmp.total_length);
 	return EOK;
 }