2 * support.c - provides standard pnp functions for the use of pnp protocol drivers,
4 * Copyright 2003 Adam Belay <ambx1@neo.rr.com>
8 #include <linux/module.h>
9 #include <linux/ctype.h>
10 #include <linux/pnp.h>
14 * pnp_is_active - Determines if a device is active based on its current resources
15 * @dev: pointer to the desired PnP device
19 int pnp_is_active(struct pnp_dev * dev)
21 if (!pnp_port_start(dev, 0) && pnp_port_len(dev, 0) <= 1 &&
22 !pnp_mem_start(dev, 0) && pnp_mem_len(dev, 0) <= 1 &&
23 pnp_irq(dev, 0) == -1 &&
24 pnp_dma(dev, 0) == -1)
32 EXPORT_SYMBOL(pnp_is_active);