Index: uspace/drv/bus/usb/ehci/ehci_batch.c
===================================================================
--- uspace/drv/bus/usb/ehci/ehci_batch.c	(revision b3c396907c3dfb9b7afd227215a7bd6a7416d6dd)
+++ uspace/drv/bus/usb/ehci/ehci_batch.c	(revision db51a6a671d00feb477a7c35b072e80c77fe4a6f)
@@ -179,5 +179,5 @@
 
 	/* Assume all data got through */
-	ehci_batch->base.transfered_size = ehci_batch->base.buffer_size;
+	ehci_batch->base.transferred_size = ehci_batch->base.buffer_size;
 
 	/* Check all TDs */
@@ -202,5 +202,5 @@
 			 * we leave the very last(unused) TD behind.
 			 */
-			ehci_batch->base.transfered_size
+			ehci_batch->base.transferred_size
 			    -= td_remain_size(&ehci_batch->tds[i]);
 		} else {
@@ -215,10 +215,10 @@
 	}
 
-	assert(ehci_batch->base.transfered_size <= ehci_batch->base.buffer_size);
+	assert(ehci_batch->base.transferred_size <= ehci_batch->base.buffer_size);
 
 	if (ehci_batch->base.dir == USB_DIRECTION_IN)
 		memcpy(ehci_batch->base.buffer,
 		    ehci_batch->data_buffer,
-		    ehci_batch->base.transfered_size);
+		    ehci_batch->base.transferred_size);
 
 	/* Clear TD pointers */
Index: uspace/drv/bus/usb/ehci/ehci_bus.c
===================================================================
--- uspace/drv/bus/usb/ehci/ehci_bus.c	(revision b3c396907c3dfb9b7afd227215a7bd6a7416d6dd)
+++ uspace/drv/bus/usb/ehci/ehci_bus.c	(revision db51a6a671d00feb477a7c35b072e80c77fe4a6f)
@@ -148,5 +148,5 @@
 	if (batch) {
 		batch->error = EINTR;
-		batch->transfered_size = 0;
+		batch->transferred_size = 0;
 		usb_transfer_batch_finish(batch);
 	}
Index: uspace/drv/bus/usb/ehci/ehci_rh.c
===================================================================
--- uspace/drv/bus/usb/ehci/ehci_rh.c	(revision b3c396907c3dfb9b7afd227215a7bd6a7416d6dd)
+++ uspace/drv/bus/usb/ehci/ehci_rh.c	(revision db51a6a671d00feb477a7c35b072e80c77fe4a6f)
@@ -146,5 +146,5 @@
 	batch->error = virthub_base_request(&instance->base, batch->target,
 	    batch->dir, (void*) batch->setup.buffer,
-	    batch->buffer, batch->buffer_size, &batch->transfered_size);
+	    batch->buffer, batch->buffer_size, &batch->transferred_size);
 	if (batch->error == ENAK) {
 		usb_log_debug("RH(%p): BATCH(%p) adding as unfinished",
@@ -180,5 +180,5 @@
 		batch->error = virthub_base_request(&instance->base, batch->target,
 		    batch->dir, (void*) batch->setup.buffer,
-		    batch->buffer, batch->buffer_size, &batch->transfered_size);
+		    batch->buffer, batch->buffer_size, &batch->transferred_size);
 		usb_transfer_batch_finish(batch);
 	}
Index: uspace/drv/bus/usb/ohci/ohci_batch.c
===================================================================
--- uspace/drv/bus/usb/ohci/ohci_batch.c	(revision b3c396907c3dfb9b7afd227215a7bd6a7416d6dd)
+++ uspace/drv/bus/usb/ohci/ohci_batch.c	(revision db51a6a671d00feb477a7c35b072e80c77fe4a6f)
@@ -187,5 +187,5 @@
 
 	/* Assume all data got through */
-	ohci_batch->base.transfered_size = ohci_batch->base.buffer_size;
+	ohci_batch->base.transferred_size = ohci_batch->base.buffer_size;
 
 	/* Assume we will leave the last(unused) TD behind */
@@ -213,5 +213,5 @@
 			 * we leave the very last(unused) TD behind.
 			 */
-			ohci_batch->base.transfered_size
+			ohci_batch->base.transferred_size
 			    -= td_remain_size(ohci_batch->tds[i]);
 		} else {
@@ -244,5 +244,5 @@
 		}
 	}
-	assert(ohci_batch->base.transfered_size <=
+	assert(ohci_batch->base.transferred_size <=
 	    ohci_batch->base.buffer_size);
 
@@ -254,5 +254,5 @@
 		memcpy(ohci_batch->base.buffer,
 		    ohci_batch->device_buffer + setup_size,
-		    ohci_batch->base.transfered_size);
+		    ohci_batch->base.transferred_size);
 
 	/* Store the remaining TD */
Index: uspace/drv/bus/usb/ohci/ohci_bus.c
===================================================================
--- uspace/drv/bus/usb/ohci/ohci_bus.c	(revision b3c396907c3dfb9b7afd227215a7bd6a7416d6dd)
+++ uspace/drv/bus/usb/ohci/ohci_bus.c	(revision db51a6a671d00feb477a7c35b072e80c77fe4a6f)
@@ -152,5 +152,5 @@
 	if (batch) {
 		batch->error = EINTR;
-		batch->transfered_size = 0;
+		batch->transferred_size = 0;
 		usb_transfer_batch_finish(batch);
 	}
Index: uspace/drv/bus/usb/ohci/ohci_rh.c
===================================================================
--- uspace/drv/bus/usb/ohci/ohci_rh.c	(revision b3c396907c3dfb9b7afd227215a7bd6a7416d6dd)
+++ uspace/drv/bus/usb/ohci/ohci_rh.c	(revision db51a6a671d00feb477a7c35b072e80c77fe4a6f)
@@ -180,5 +180,5 @@
 	batch->error = virthub_base_request(&instance->base, batch->target,
 	    batch->dir, &batch->setup.packet,
-	    batch->buffer, batch->buffer_size, &batch->transfered_size);
+	    batch->buffer, batch->buffer_size, &batch->transferred_size);
 	if (batch->error == ENAK) {
 		/* This is safe because only status change interrupt transfers
@@ -208,5 +208,5 @@
 		batch->error = virthub_base_request(&instance->base, batch->target,
 		    batch->dir, &batch->setup.packet,
-		    batch->buffer, batch->buffer_size, &batch->transfered_size);
+		    batch->buffer, batch->buffer_size, &batch->transferred_size);
 		usb_transfer_batch_finish(batch);
 	}
Index: uspace/drv/bus/usb/uhci/hc.c
===================================================================
--- uspace/drv/bus/usb/uhci/hc.c	(revision b3c396907c3dfb9b7afd227215a7bd6a7416d6dd)
+++ uspace/drv/bus/usb/uhci/hc.c	(revision db51a6a671d00feb477a7c35b072e80c77fe4a6f)
@@ -362,5 +362,5 @@
 		async_usleep(2000);
 		batch->base.error = EINTR;
-		batch->base.transfered_size = 0;
+		batch->base.transferred_size = 0;
 		usb_transfer_batch_finish(&batch->base);
 	}
Index: uspace/drv/bus/usb/uhci/uhci_batch.c
===================================================================
--- uspace/drv/bus/usb/uhci/uhci_batch.c	(revision b3c396907c3dfb9b7afd227215a7bd6a7416d6dd)
+++ uspace/drv/bus/usb/uhci/uhci_batch.c	(revision db51a6a671d00feb477a7c35b072e80c77fe4a6f)
@@ -163,5 +163,5 @@
 	    uhci_batch, USB_TRANSFER_BATCH_ARGS(*batch),
 	    uhci_batch->td_count);
-	batch->transfered_size = 0;
+	batch->transferred_size = 0;
 
 	uhci_endpoint_t *uhci_ep = (uhci_endpoint_t *) batch->ep;
@@ -185,5 +185,5 @@
 		}
 
-		batch->transfered_size
+		batch->transferred_size
 		    += td_act_size(&uhci_batch->tds[i]);
 		if (td_is_short(&uhci_batch->tds[i]))
@@ -191,14 +191,14 @@
 	}
 substract_ret:
-	if (batch->transfered_size > 0 && batch->ep->transfer_type == USB_TRANSFER_CONTROL) {
-		assert(batch->transfered_size >= USB_SETUP_PACKET_SIZE);
-		batch->transfered_size -= USB_SETUP_PACKET_SIZE;
+	if (batch->transferred_size > 0 && batch->ep->transfer_type == USB_TRANSFER_CONTROL) {
+		assert(batch->transferred_size >= USB_SETUP_PACKET_SIZE);
+		batch->transferred_size -= USB_SETUP_PACKET_SIZE;
 	}
 
 	if (batch->dir == USB_DIRECTION_IN) {
-		assert(batch->transfered_size <= batch->buffer_size);
+		assert(batch->transferred_size <= batch->buffer_size);
 		memcpy(batch->buffer,
 		    uhci_transfer_batch_data_buffer(uhci_batch),
-		    batch->transfered_size);
+		    batch->transferred_size);
 	}
 
Index: uspace/drv/bus/usb/uhci/uhci_rh.c
===================================================================
--- uspace/drv/bus/usb/uhci/uhci_rh.c	(revision b3c396907c3dfb9b7afd227215a7bd6a7416d6dd)
+++ uspace/drv/bus/usb/uhci/uhci_rh.c	(revision db51a6a671d00feb477a7c35b072e80c77fe4a6f)
@@ -107,5 +107,5 @@
 		batch->error = virthub_base_request(&instance->base, batch->target,
 		    batch->dir, (void*) batch->setup.buffer,
-		    batch->buffer, batch->buffer_size, &batch->transfered_size);
+		    batch->buffer, batch->buffer_size, &batch->transferred_size);
 		if (batch->error == ENAK)
 			async_usleep(instance->base.endpoint_descriptor.poll_interval * 1000);
Index: uspace/drv/bus/usb/vhc/transfer.c
===================================================================
--- uspace/drv/bus/usb/vhc/transfer.c	(revision b3c396907c3dfb9b7afd227215a7bd6a7416d6dd)
+++ uspace/drv/bus/usb/vhc/transfer.c	(revision db51a6a671d00feb477a7c35b072e80c77fe4a6f)
@@ -151,5 +151,5 @@
 	assert(transfer);
 	transfer->batch.error = outcome;
-	transfer->batch.transfered_size = data_transfer_size;
+	transfer->batch.transferred_size = data_transfer_size;
 	usb_transfer_batch_finish(&transfer->batch);
 }
Index: uspace/drv/bus/usb/xhci/endpoint.c
===================================================================
--- uspace/drv/bus/usb/xhci/endpoint.c	(revision b3c396907c3dfb9b7afd227215a7bd6a7416d6dd)
+++ uspace/drv/bus/usb/xhci/endpoint.c	(revision db51a6a671d00feb477a7c35b072e80c77fe4a6f)
@@ -209,5 +209,5 @@
 	if (batch) {
 		batch->error = EINTR;
-		batch->transfered_size = 0;
+		batch->transferred_size = 0;
 		usb_transfer_batch_finish(batch);
 	}
Index: uspace/drv/bus/usb/xhci/isoch.c
===================================================================
--- uspace/drv/bus/usb/xhci/isoch.c	(revision b3c396907c3dfb9b7afd227215a7bd6a7416d6dd)
+++ uspace/drv/bus/usb/xhci/isoch.c	(revision db51a6a671d00feb477a7c35b072e80c77fe4a6f)
@@ -483,5 +483,5 @@
 
 	/* Withdraw results from previous transfers. */
-	transfer->batch.transfered_size = 0;
+	transfer->batch.transferred_size = 0;
 	xhci_isoch_transfer_t *res = &isoch->transfers[isoch->dequeue];
 	while (res->state == ISOCH_COMPLETE) {
@@ -489,5 +489,5 @@
 
 		res->state = ISOCH_EMPTY;
-		transfer->batch.transfered_size += res->size;
+		transfer->batch.transferred_size += res->size;
 		transfer->batch.error = res->error;
 		if (res->error)
@@ -555,5 +555,5 @@
 	if (!it->error) {
 		memcpy(transfer->batch.buffer, it->data.virt, it->size);
-		transfer->batch.transfered_size = it->size;
+		transfer->batch.transferred_size = it->size;
 		transfer->batch.error = it->error;
 	}
Index: uspace/drv/bus/usb/xhci/transfers.c
===================================================================
--- uspace/drv/bus/usb/xhci/transfers.c	(revision b3c396907c3dfb9b7afd227215a7bd6a7416d6dd)
+++ uspace/drv/bus/usb/xhci/transfers.c	(revision db51a6a671d00feb477a7c35b072e80c77fe4a6f)
@@ -340,5 +340,5 @@
 		case XHCI_TRBC_SUCCESS:
 			batch->error = EOK;
-			batch->transfered_size = batch->buffer_size - TRB_TRANSFER_LENGTH(*trb);
+			batch->transferred_size = batch->buffer_size - TRB_TRANSFER_LENGTH(*trb);
 			break;
 
@@ -346,5 +346,5 @@
 			usb_log_warning("Transfer ended with data buffer error.");
 			batch->error = EAGAIN;
-			batch->transfered_size = 0;
+			batch->transferred_size = 0;
 			break;
 
@@ -352,5 +352,5 @@
 			usb_log_warning("Babble detected during the transfer.");
 			batch->error = EAGAIN;
-			batch->transfered_size = 0;
+			batch->transferred_size = 0;
 			break;
 
@@ -358,5 +358,5 @@
 			usb_log_warning("USB Transaction error.");
 			batch->error = ESTALL;
-			batch->transfered_size = 0;
+			batch->transferred_size = 0;
 			break;
 
@@ -364,5 +364,5 @@
 			usb_log_error("Invalid transfer parameters.");
 			batch->error = EINVAL;
-			batch->transfered_size = 0;
+			batch->transferred_size = 0;
 			break;
 
@@ -370,5 +370,5 @@
 			usb_log_warning("Stall condition detected.");
 			batch->error = ESTALL;
-			batch->transfered_size = 0;
+			batch->transferred_size = 0;
 			break;
 
@@ -376,5 +376,5 @@
 			usb_log_error("Split transcation error detected.");
 			batch->error = EAGAIN;
-			batch->transfered_size = 0;
+			batch->transferred_size = 0;
 			break;
 
@@ -386,6 +386,6 @@
 	if (batch->dir == USB_DIRECTION_IN) {
 		assert(batch->buffer);
-		assert(batch->transfered_size <= batch->buffer_size);
-		memcpy(batch->buffer, transfer->hc_buffer.virt, batch->transfered_size);
+		assert(batch->transferred_size <= batch->buffer_size);
+		memcpy(batch->buffer, transfer->hc_buffer.virt, batch->transferred_size);
 	}