Commit | Line | Data |
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1da177e4 | 1 | /* |
07d4e9af | 2 | * support.c - standard functions for the use of pnp protocol drivers |
1da177e4 LT |
3 | * |
4 | * Copyright 2003 Adam Belay <ambx1@neo.rr.com> | |
1da177e4 LT |
5 | */ |
6 | ||
1da177e4 LT |
7 | #include <linux/module.h> |
8 | #include <linux/ctype.h> | |
1da177e4 LT |
9 | #include <linux/pnp.h> |
10 | #include "base.h" | |
11 | ||
12 | /** | |
07d4e9af BH |
13 | * pnp_is_active - Determines if a device is active based on its current |
14 | * resources | |
1da177e4 | 15 | * @dev: pointer to the desired PnP device |
1da177e4 | 16 | */ |
9dd78466 | 17 | int pnp_is_active(struct pnp_dev *dev) |
1da177e4 LT |
18 | { |
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 && | |
9dd78466 BH |
21 | pnp_irq(dev, 0) == -1 && pnp_dma(dev, 0) == -1) |
22 | return 0; | |
1da177e4 LT |
23 | else |
24 | return 1; | |
25 | } | |
26 | ||
1da177e4 | 27 | EXPORT_SYMBOL(pnp_is_active); |