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	We are now using an env_ prefix for environment functions. Rename these two functions for consistency. Also add function comments in common.h. Quite a few places use getenv() in a condition context, provoking a warning from checkpatch. These are fixed up in this patch also. Suggested-by: Wolfgang Denk <wd@denx.de> Signed-off-by: Simon Glass <sjg@chromium.org>
		
			
				
	
	
		
			60 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * (C) Copyright 2000
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 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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 *
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 * SPDX-License-Identifier:	GPL-2.0+
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 */
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#include <common.h>
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#include <bootretry.h>
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#include <cli.h>
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#include <errno.h>
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#include <watchdog.h>
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#ifndef CONFIG_BOOT_RETRY_MIN
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#define CONFIG_BOOT_RETRY_MIN CONFIG_BOOT_RETRY_TIME
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#endif
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static uint64_t endtime;  /* must be set, default is instant timeout */
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static int      retry_time = -1; /* -1 so can call readline before main_loop */
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/***************************************************************************
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 * initialize command line timeout
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 */
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void bootretry_init_cmd_timeout(void)
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{
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	char *s = env_get("bootretry");
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	if (s != NULL)
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		retry_time = (int)simple_strtol(s, NULL, 10);
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	else
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		retry_time = CONFIG_BOOT_RETRY_TIME;
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	if (retry_time >= 0 && retry_time < CONFIG_BOOT_RETRY_MIN)
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		retry_time = CONFIG_BOOT_RETRY_MIN;
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}
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/***************************************************************************
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 * reset command line timeout to retry_time seconds
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 */
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void bootretry_reset_cmd_timeout(void)
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{
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	endtime = endtick(retry_time);
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}
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int bootretry_tstc_timeout(void)
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{
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	while (!tstc()) {	/* while no incoming data */
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		if (retry_time >= 0 && get_ticks() > endtime)
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			return -ETIMEDOUT;
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		WATCHDOG_RESET();
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	}
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	return 0;
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}
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void bootretry_dont_retry(void)
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{
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	retry_time = -1;
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}
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