File: [Development] / linux-2.6-xfs / drivers / pnp / support.c (download)
Revision 1.3, Fri Oct 13 17:03:09 2006 UTC (11 years ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.2: +0 -1
lines
Merge up to 2.6.18
Merge of 2.6.x-xfs-melb:linux:27192b by kenmcd.
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/*
* 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);