1 files changed, 33 insertions, 0 deletions
diff --git a/cpukit/libdrvmgr/drvmgr_by_id.c b/cpukit/libdrvmgr/drvmgr_by_id.c
new file mode 100644
index 0000000000..7a0ea42f3e
--- /dev/null
+++ b/cpukit/libdrvmgr/drvmgr_by_id.c
@@ -0,0 +1,33 @@
+/* Find driver by driver-ID
+ *
+ * COPYRIGHT (c) 2011.
+ * Cobham Gaisler AB.
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#include <drvmgr/drvmgr.h>
+#include "drvmgr_internal.h"
+
+/* Get driver from driver name */
+struct drvmgr_drv *drvmgr_drv_by_id(uint64_t id)
+{
+	struct rtems_driver_manager *mgr = &drv_mgr;
+	struct drvmgr_drv *drv = NULL;
+
+	/* NOTE: No locking is needed here since Driver list is supposed to be
+	 *       initialized once during startup, we treat it as a static
+	 *       read-only list
+	 */
+
+	drv = DRV_LIST_HEAD(&mgr->drivers);
+	while (drv) {
+		if (drv->drv_id == id)
+			break;
+		drv = drv->next;
+	}
+
+	return drv;
+}