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Use mdelay vs inaccurate udelay 

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@586 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2008-01-30 12:55:11 +00:00
parent 89c63fc635
commit c55f4a3783
1 changed files with 2 additions and 2 deletions
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4
drivers/serial.c
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@ -347,7 +347,7 @@ static int uart_close(struct file *filep)
#ifndef CONFIG_DISABLE_SIGNALS #ifndef CONFIG_DISABLE_SIGNALS
usleep(500*1000); usleep(500*1000);
#else #else
up_udelay(500*1000); up_mdelay(500);
#endif #endif
} }
@ -358,7 +358,7 @@ static int uart_close(struct file *filep)
#ifndef CONFIG_DISABLE_SIGNALS #ifndef CONFIG_DISABLE_SIGNALS
usleep(500*1000); usleep(500*1000);
#else #else
up_udelay(500*1000); up_mdelay(500);
#endif #endif
} }