[Kernel] Add device ops feature.

2 files changed, 32 insertions, 0 deletions

diff --git a/components/utilities/logtrace/log_file.c b/components/utilities/logtrace/log_file.c
index 4e4e158969..42d1f6e7a9 100644
--- a/components/utilities/logtrace/log_file.c
+++ b/components/utilities/logtrace/log_file.c
@@ -112,6 +112,18 @@ static rt_err_t fdevice_control(rt_device_t dev, int cmd, void *arg)
     return RT_EOK;
 }
 
+#ifdef RT_USING_DEVICE_OPS
+const static struct rt_device_ops log_trace_ops = 
+{
+    RT_NULL,
+    fdevice_open,
+    fdevice_close,
+    RT_NULL,
+    fdevice_write,
+    fdevice_control
+};
+#endif
+
 void log_trace_file_init(const char *filename)
 {
     rt_device_t device;
@@ -123,11 +135,15 @@ void log_trace_file_init(const char *filename)
 
         _file_device.parent.type  = RT_Device_Class_Char;
 
+#ifdef RT_USING_DEVICE_OPS
+        _file_device.parent.ops     = &log_trace_ops;
+#else
         _file_device.parent.init    = RT_NULL;
         _file_device.parent.open    = fdevice_open;
         _file_device.parent.close   = fdevice_close;
         _file_device.parent.write   = fdevice_write;
         _file_device.parent.control = fdevice_control;
+#endif
 
         rt_device_register(&_file_device.parent, "logfile", O_RDWR);
     }
diff --git a/components/utilities/logtrace/log_trace.c b/components/utilities/logtrace/log_trace.c
index 79bcde2075..4ea0ff13fd 100644
--- a/components/utilities/logtrace/log_trace.c
+++ b/components/utilities/logtrace/log_trace.c
@@ -383,17 +383,33 @@ static rt_err_t _log_control(rt_device_t dev, int cmd, void *arg)
     return rt_device_control(_traceout_device, cmd, arg);
 }
 
+#ifdef RT_USING_DEVICE_OPS
+const static struct rt_device_ops log_device_ops = 
+{
+    RT_NULL,
+    RT_NULL,
+    RT_NULL,
+    RT_NULL,
+    _log_write,
+    _log_control
+};
+#endif
+
 int log_trace_init(void)
 {
     rt_memset(&_log_device, 0x00, sizeof(_log_device));
 
     _log_device.type = RT_Device_Class_Char;
+#ifdef RT_USING_DEVICE_OPS
+    _log_device.ops     = &log_device_ops;
+#else
     _log_device.init    = RT_NULL;
     _log_device.open    = RT_NULL;
     _log_device.close   = RT_NULL;
     _log_device.read    = RT_NULL;
     _log_device.write   = _log_write;
     _log_device.control = _log_control;
+#endif
 
     /* no indication and complete callback */
     _log_device.rx_indicate = RT_NULL;