Use mdelay vs inaccurate udelay

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@586 42af7a65-404d-4744-a932-0658087f49c3
2008-01-30 12:55:11 +00:00 · 2008-01-30 12:55:11 +00:00 · c55f4a3783
parent 89c63fc635
commit c55f4a3783
1 changed files with 2 additions and 2 deletions
--- a/drivers/serial.c
+++ b/drivers/serial.c
@ -347,7 +347,7 @@ static int uart_close(struct file *filep)
 #ifndef CONFIG_DISABLE_SIGNALS
      usleep(500*1000);
 #else
-      up_udelay(500*1000);
+      up_mdelay(500);
 #endif
    }

@ -358,7 +358,7 @@ static int uart_close(struct file *filep)
 #ifndef CONFIG_DISABLE_SIGNALS
      usleep(500*1000);
 #else
-      up_udelay(500*1000);
+      up_mdelay(500);
 #endif
    }