Changes in uspace/srv/hid/input/port/niagara.c [9d58539:336d2f52] in mainline

File:

• uspace/srv/hid/input/port/niagara.c (modified) (3 diffs)

uspace/srv/hid/input/port/niagara.c

@@ -63 +63 @@
 #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.
@@ -97 +102 @@
                 return -1;
         
-        int rc = physmem_map((void *) paddr, 1,
-            AS_AREA_READ | AS_AREA_WRITE, (void *) &input_buffer);
+        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);
+        
         if (rc != 0) {
                 printf("Niagara: uspace driver couldn't map physical memory: %d\n",
@@ -104 +111 @@
                 return rc;
         }
+        
+        input_buffer = (input_buffer_t) input_buffer_addr;
         
         thread_id_t tid;