Merge pull request #5248 from mysterywolf/delayus

BernardXiong · web-flow · commit 4fb86df0f6c8 · 2021-10-29T21:21:19.000+08:00
[bsp] remove empty rt_hw_us_delay
diff --git a/bsp/bluetrum/ab32vg1-ab-prougen/board/board.c b/bsp/bluetrum/ab32vg1-ab-prougen/board/board.c
@@ -145,11 +145,6 @@ void rt_hw_board_init(void)
 #endif
 }
 
-void rt_hw_us_delay(rt_uint32_t us)
-{
-
-}
-
 RT_SECTION(".irq.cache")
 void cache_init(void)
 {
diff --git a/bsp/mini2440/drivers/board.c b/bsp/mini2440/drivers/board.c
@@ -122,9 +122,4 @@ void rt_hw_board_init(void)
 
 }
 
-void rt_hw_us_delay(rt_uint32_t us)
-{
-
-}
-
 /*@}*/
diff --git a/bsp/qemu-vexpress-a9/drivers/board.c b/bsp/qemu-vexpress-a9/drivers/board.c
@@ -56,7 +56,3 @@ void rt_hw_board_init(void)
 #endif
 }
 
-void rt_hw_us_delay(rt_uint32_t us)
-{
-
-}
