1 files changed, 5 insertions, 5 deletions
diff --git a/bsp/hifive1/drivers/interrupt.c b/bsp/hifive1/drivers/interrupt.c
index 1d4ae50626..75e8e8ac59 100644
--- a/bsp/hifive1/drivers/interrupt.c
+++ b/bsp/hifive1/drivers/interrupt.c
@@ -48,13 +48,13 @@ rt_isr_handler_t rt_hw_interrupt_handle(rt_uint32_t vector, void *param)
 void rt_hw_interrupt_init(void)
 {
     int idx;
-    
+
     /*  config interrupt vector*/
     asm volatile(
         "la t0, trap_entry\n"
         "csrw mtvec, t0"
     );
-    
+
     /*  enable global interrupt*/
     PLIC_init(&g_plic,
             PLIC_CTRL_ADDR,
@@ -72,8 +72,8 @@ void rt_hw_interrupt_init(void)
         irq_desc[idx].counter = 0;
 #endif
     }
-    
-    // enable machine external interrupt 
+
+    // enable machine external interrupt
     set_csr(mie, MIP_MEIP);
 }
 
@@ -118,7 +118,7 @@ rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
 }
 
 /**
- * This function will be call when external machine-level 
+ * This function will be call when external machine-level
  * interrupt from PLIC occurred.
  */
 void handle_m_ext_interrupt(void)