Changes in uspace/lib/usb/src/hc.c [e280857:9f7276d] in mainline

File:

• uspace/lib/usb/src/hc.c (modified) (1 diff)

uspace/lib/usb/src/hc.c

@@ -201 +201 @@
 /** Get host controller handle by its class index.
  *
- * @param sid Service ID of the HC function.
+ * @param class_index Class index for the host controller.
  * @param hc_handle Where to store the HC handle
  *      (can be NULL for existence test only).
  * @return Error code.
  */
-int usb_ddf_get_hc_handle_by_sid(service_id_t sid, devman_handle_t *hc_handle)
-{
-        devman_handle_t handle;
+int usb_ddf_get_hc_handle_by_class(size_t class_index,
+    devman_handle_t *hc_handle)
+{
+        char *class_index_str;
+        devman_handle_t hc_handle_tmp;
         int rc;
-        
-        rc = devman_fun_sid_to_handle(sid, &handle);
-        if (hc_handle != NULL)
-                *hc_handle = handle;
-        
-        return rc;
+
+        rc = asprintf(&class_index_str, "%zu", class_index);
+        if (rc < 0) {
+                return ENOMEM;
+        }
+        rc = devman_device_get_handle_by_class("usbhc", class_index_str,
+            &hc_handle_tmp, 0);
+        free(class_index_str);
+        if (rc != EOK) {
+                return rc;
+        }
+
+        if (hc_handle != NULL) {
+                *hc_handle = hc_handle_tmp;
+        }
+
+        return EOK;
 }