diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index bf60a9c..1da0524 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -226,7 +226,7 @@
 		return;
 	prev->next = next;
 	if (link_trbs) {
-		val_64 = (uintptr_t)next->trbs;
+		val_64 = virt_to_phys(next->trbs);
 		prev->trbs[TRBS_PER_SEGMENT-1].link.segment_ptr =
 			cpu_to_le64(val_64);
 
@@ -489,7 +489,7 @@
 	/* Allocate endpoint 0 ring */
 	virt_dev->eps[0].ring = xhci_ring_alloc(1, true);
 
-	byte_64 = (uintptr_t)(virt_dev->out_ctx->bytes);
+	byte_64 = virt_to_phys(virt_dev->out_ctx->bytes);
 
 	/* Point to output device context in dcbaa. */
 	ctrl->dcbaa->dev_context_ptrs[slot_id] = cpu_to_le64(byte_64);
@@ -514,7 +514,7 @@
 	uint64_t val_64;
 	uint64_t trb_64;
 	uint32_t val;
-	unsigned long deq;
+	uint64_t deq;
 	int i;
 	struct xhci_segment *seg;
 
@@ -526,7 +526,7 @@
 		return -ENOMEM;
 	}
 
-	val_64 = (uintptr_t)ctrl->dcbaa;
+	val_64 = virt_to_phys(ctrl->dcbaa);
 	/* Set the pointer in DCBAA register */
 	xhci_writeq(&hcor->or_dcbaap, val_64);
 
@@ -534,7 +534,7 @@
 	ctrl->cmd_ring = xhci_ring_alloc(1, true);
 
 	/* Set the address in the Command Ring Control register */
-	trb_64 = (uintptr_t)ctrl->cmd_ring->first_seg->trbs;
+	trb_64 = virt_to_phys(ctrl->cmd_ring->first_seg->trbs);
 	val_64 = xhci_readq(&hcor->or_crcr);
 	val_64 = (val_64 & (u64) CMD_RING_RSVD_BITS) |
 		(trb_64 & (u64) ~CMD_RING_RSVD_BITS) |
@@ -564,8 +564,7 @@
 	for (val = 0, seg = ctrl->event_ring->first_seg;
 			val < ERST_NUM_SEGS;
 			val++) {
-		trb_64 = 0;
-		trb_64 = (uintptr_t)seg->trbs;
+		trb_64 = virt_to_phys(seg->trbs);
 		struct xhci_erst_entry *entry = &ctrl->erst.entries[val];
 		entry->seg_addr = cpu_to_le64(trb_64);
 		entry->seg_size = cpu_to_le32(TRBS_PER_SEGMENT);
@@ -575,7 +574,7 @@
 	xhci_flush_cache((uintptr_t)ctrl->erst.entries,
 			 ERST_NUM_SEGS * sizeof(struct xhci_erst_entry));
 
-	deq = (unsigned long)ctrl->event_ring->dequeue;
+	deq = virt_to_phys(ctrl->event_ring->dequeue);
 
 	/* Update HC event ring dequeue pointer */
 	xhci_writeq(&ctrl->ir_set->erst_dequeue,
@@ -590,7 +589,7 @@
 	/* this is the event ring segment table pointer */
 	val_64 = xhci_readq(&ctrl->ir_set->erst_base);
 	val_64 &= ERST_PTR_MASK;
-	val_64 |= ((uintptr_t)(ctrl->erst.entries) & ~ERST_PTR_MASK);
+	val_64 |= virt_to_phys(ctrl->erst.entries) & ~ERST_PTR_MASK;
 
 	xhci_writeq(&ctrl->ir_set->erst_base, val_64);
 
@@ -858,7 +857,7 @@
 			cpu_to_le32(((0 & MAX_BURST_MASK) << MAX_BURST_SHIFT) |
 			((3 & ERROR_COUNT_MASK) << ERROR_COUNT_SHIFT));
 
-	trb_64 = (uintptr_t)virt_dev->eps[0].ring->first_seg->trbs;
+	trb_64 = virt_to_phys(virt_dev->eps[0].ring->first_seg->trbs);
 	ep0_ctx->deq = cpu_to_le64(trb_64 | virt_dev->eps[0].ring->cycle_state);
 
 	/*
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 86aeaab..092ed6e 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -275,7 +275,7 @@
 			u32 ep_index, trb_type cmd)
 {
 	u32 fields[4];
-	u64 val_64 = (uintptr_t)ptr;
+	u64 val_64 = virt_to_phys(ptr);
 
 	BUG_ON(prepare_ring(ctrl, ctrl->cmd_ring, EP_STATE_RUNNING));
 
@@ -399,7 +399,7 @@
 
 	/* Inform the hardware */
 	xhci_writeq(&ctrl->ir_set->erst_dequeue,
-		(uintptr_t)ctrl->event_ring->dequeue | ERST_EHB);
+		    virt_to_phys(ctrl->event_ring->dequeue) | ERST_EHB);
 }
 
 /**
@@ -577,7 +577,7 @@
 	u64 addr;
 	int ret;
 	u32 trb_fields[4];
-	u64 val_64 = (uintptr_t)buffer;
+	u64 val_64 = virt_to_phys(buffer);
 
 	debug("dev=%p, pipe=%lx, buffer=%p, length=%d\n",
 		udev, pipe, buffer, length);
@@ -876,7 +876,7 @@
 	if (length > 0) {
 		if (req->requesttype & USB_DIR_IN)
 			field |= TRB_DIR_IN;
-		buf_64 = (uintptr_t)buffer;
+		buf_64 = virt_to_phys(buffer);
 
 		trb_fields[0] = lower_32_bits(buf_64);
 		trb_fields[1] = upper_32_bits(buf_64);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index f635bb3..126dabc 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -631,8 +631,7 @@
 			cpu_to_le32(MAX_BURST(max_burst) |
 			ERROR_COUNT(err_count));
 
-		trb_64 = (uintptr_t)
-				virt_dev->eps[ep_index].ring->enqueue;
+		trb_64 = virt_to_phys(virt_dev->eps[ep_index].ring->enqueue);
 		ep_ctx[ep_index]->deq = cpu_to_le64(trb_64 |
 				virt_dev->eps[ep_index].ring->cycle_state);