| /* |
| * support.c - standard functions for the use of pnp protocol drivers |
| * |
| * Copyright 2003 Adam Belay <ambx1@neo.rr.com> |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/ctype.h> |
| #include <linux/pnp.h> |
| #include "base.h" |
| |
| /** |
| * pnp_is_active - Determines if a device is active based on its current |
| * resources |
| * @dev: pointer to the desired PnP device |
| */ |
| int pnp_is_active(struct pnp_dev *dev) |
| { |
| if (!pnp_port_start(dev, 0) && pnp_port_len(dev, 0) <= 1 && |
| !pnp_mem_start(dev, 0) && pnp_mem_len(dev, 0) <= 1 && |
| pnp_irq(dev, 0) == -1 && pnp_dma(dev, 0) == -1) |
| return 0; |
| else |
| return 1; |
| } |
| |
| EXPORT_SYMBOL(pnp_is_active); |