Merge pull request #4737 from mysterywolf/3,1,xformatv3.1.5

[lts 3.1.x] format codes

1 files changed, 11 insertions, 11 deletions

diff --git a/components/drivers/usb/usbhost/core/driver.c b/components/drivers/usb/usbhost/core/driver.c
index 37327108c1..6dad1409a0 100644
--- a/components/drivers/usb/usbhost/core/driver.c
+++ b/components/drivers/usb/usbhost/core/driver.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -17,21 +17,21 @@ static rt_list_t _driver_list;
 /**
  * This function will initilize the usb class driver related data structure,
  * and it should be invoked in the usb system initialization.
- * 
+ *
  * @return the error code, RT_EOK on successfully.
  */
 rt_err_t rt_usbh_class_driver_init(void)
 {
     rt_list_init(&_driver_list);
 
-    return RT_EOK;    
+    return RT_EOK;
 }
 
 /**
  * This function will register an usb class driver to the class driver manager.
  *
  * @param drv the pointer of the usb class driver.
- * 
+ *
  * @return the error code, RT_EOK on successfully.
  */
 
@@ -41,15 +41,15 @@ rt_err_t rt_usbh_class_driver_register(ucd_t drv)
 
     /* insert class driver into driver list */
     rt_list_insert_after(&_driver_list, &(drv->list));
-    
-    return RT_EOK;    
+
+    return RT_EOK;
 }
 
 /**
  * This function will removes a previously registed usb class driver.
  *
  * @param drv the pointer of the usb class driver structure.
- * 
+ *
  * @return the error code, RT_EOK on successfully.
  */
 rt_err_t rt_usbh_class_driver_unregister(ucd_t drv)
@@ -67,7 +67,7 @@ rt_err_t rt_usbh_class_driver_unregister(ucd_t drv)
  *
  * @param drv the pointer of usb class driver.
  * @param args the parameter of run function.
- * 
+ *
  * @return the error code, RT_EOK on successfully.
  */
 rt_err_t rt_usbh_class_driver_enable(ucd_t drv, void* args)
@@ -85,7 +85,7 @@ rt_err_t rt_usbh_class_driver_enable(ucd_t drv, void* args)
  *
  * @param drv the pointer of usb class driver structure.
  * @param args the argument of the stop function.
- * 
+ *
  * @return the error code, RT_EOK on successfully.
  */
 rt_err_t rt_usbh_class_driver_disable(ucd_t drv, void* args)
@@ -102,7 +102,7 @@ rt_err_t rt_usbh_class_driver_disable(ucd_t drv, void* args)
 /**
  * This function finds a usb class driver by specified class code and subclass code.
  *
- * @param class_code the usb class driver's class code. 
+ * @param class_code the usb class driver's class code.
  * @param subclass_code the usb class driver's sub class code.
  *
  * @return the registered usb class driver on successful, or RT_NULL on failure.
@@ -118,7 +118,7 @@ ucd_t rt_usbh_class_driver_find(int class_code, int subclass_code)
     /* try to find driver object */
     for (node = _driver_list.next; node != &_driver_list; node = node->next)
     {
-        ucd_t drv = 
+        ucd_t drv =
             (ucd_t)rt_list_entry(node, struct uclass_driver, list);
         if (drv->class_code == class_code)
         {