cmd64x: don't clear the other channel's interrupt
[linux-2.6/linux-mips/linux-dm7025.git] / drivers / pnp / support.c
blob13c608f5fb302864b7bae16defaf2d95365ea815
1 /*
2 * support.c - standard functions for the use of pnp protocol drivers
4 * Copyright 2003 Adam Belay <ambx1@neo.rr.com>
5 */
7 #include <linux/module.h>
8 #include <linux/ctype.h>
9 #include <linux/pnp.h>
10 #include "base.h"
12 /**
13 * pnp_is_active - Determines if a device is active based on its current
14 * resources
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)
22 return 0;
23 else
24 return 1;
27 EXPORT_SYMBOL(pnp_is_active);