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