[PATCH] x86 microcode: using request_firmware to pull microcode
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / pnp / support.c
blob946a0dcd627dcc0a30c48246827057a30bae7076
1 /*
2 * support.c - provides standard pnp functions for the use of pnp protocol drivers,
4 * Copyright 2003 Adam Belay <ambx1@neo.rr.com>
6 */
8 #include <linux/module.h>
9 #include <linux/ctype.h>
10 #include <linux/pnp.h>
11 #include "base.h"
13 /**
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)
25 return 0;
26 else
27 return 1;
32 EXPORT_SYMBOL(pnp_is_active);