e139aa595c
Seems pointless to require .c files to test CONFIG_PNP_DEBUG and conditionally define DEBUG before including <linux/pnp.h>. Just test CONFIG_PNP_DEBUG directly in pnp.h. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Adam Belay <ambx1@neo.rr.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
33 lines
692 B
C
33 lines
692 B
C
/*
|
|
* support.c - provides standard pnp functions for the use of pnp protocol drivers,
|
|
*
|
|
* Copyright 2003 Adam Belay <ambx1@neo.rr.com>
|
|
*
|
|
*/
|
|
|
|
#include <linux/config.h>
|
|
#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);
|