swh:1:snp:173f8deb0c56c557784b4fd217e7608ac6197844
Raw File
Tip revision: d223a60106891bfe46febfacf46b20cd8509aaad authored by Linus Torvalds on 05 October 2006, 02:57:05 UTC
Linux 2.6.19-rc1
Tip revision: d223a60
support.c
/*
 * support.c - provides standard pnp functions for the use of pnp protocol drivers,
 *
 * Copyright 2003 Adam Belay <ambx1@neo.rr.com>
 *
 */

#include <linux/module.h>
#include <linux/ctype.h>
#include <linux/pnp.h>
#include "base.h"

/**
 * pnp_is_active - Determines if a device is active based on its current resources
 * @dev: pointer to the desired PnP device
 *
 */

int pnp_is_active(struct pnp_dev * dev)
{
	if (!pnp_port_start(dev, 0) && pnp_port_len(dev, 0) <= 1 &&
	    !pnp_mem_start(dev, 0) && pnp_mem_len(dev, 0) <= 1 &&
	    pnp_irq(dev, 0) == -1 &&
	    pnp_dma(dev, 0) == -1)
	    	return 0;
	else
		return 1;
}



EXPORT_SYMBOL(pnp_is_active);
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