Index: uspace/srv/hid/input/port/niagara.c
===================================================================
--- uspace/srv/hid/input/port/niagara.c	(revision f044e96c50752824a763e9b11ea00b026e7c0772)
+++ uspace/srv/hid/input/port/niagara.c	(revision fbcdeb887f643e4a875e51120a2ddbf6fe35e4b3)
@@ -63,9 +63,4 @@
 #define POLL_INTERVAL  10000
 
-/**
- * Virtual address mapped to the buffer shared with the kernel counterpart.
- */
-static uintptr_t input_buffer_addr;
-
 /*
  * Kernel counterpart of the driver pushes characters (it has read) here.
@@ -102,8 +97,6 @@
 		return -1;
 	
-	input_buffer_addr = (uintptr_t) as_get_mappable_page(PAGE_SIZE);
-	int rc = physmem_map((void *) paddr, (void *) input_buffer_addr,
-	    1, AS_AREA_READ | AS_AREA_WRITE);
-	
+	int rc = physmem_map((void *) paddr, 1,
+	    AS_AREA_READ | AS_AREA_WRITE, (void *) &input_buffer);
 	if (rc != 0) {
 		printf("Niagara: uspace driver couldn't map physical memory: %d\n",
@@ -111,6 +104,4 @@
 		return rc;
 	}
-	
-	input_buffer = (input_buffer_t) input_buffer_addr;
 	
 	thread_id_t tid;