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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [pnp/] [support.c] - Rev 62
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/* * 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);