]>
git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - drivers/pnp/support.c
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/config.h>
9 #include <linux/module.h>
10 #include <linux/ctype.h>
11 #include <linux/pnp.h>
15 * pnp_is_active - Determines if a device is active based on its current resources
16 * @dev: pointer to the desired PnP device
20 int pnp_is_active(struct pnp_dev
* dev
)
22 if (!pnp_port_start(dev
, 0) && pnp_port_len(dev
, 0) <= 1 &&
23 !pnp_mem_start(dev
, 0) && pnp_mem_len(dev
, 0) <= 1 &&
24 pnp_irq(dev
, 0) == -1 &&
25 pnp_dma(dev
, 0) == -1)
33 EXPORT_SYMBOL(pnp_is_active
);