07d4e9af10
These are manual fixups after running Lindent. No functional change. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Len Brown <lenb@kernel.org> Cc: Adam Belay <ambx1@neo.rr.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
/*
|
|
* compat.c - A series of functions to make it easier to convert drivers that use
|
|
* the old isapnp APIs. If possible use the new APIs instead.
|
|
*
|
|
* Copyright 2002 Adam Belay <ambx1@neo.rr.com>
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/isapnp.h>
|
|
#include <linux/string.h>
|
|
|
|
static void pnp_convert_id(char *buf, unsigned short vendor,
|
|
unsigned short device)
|
|
{
|
|
sprintf(buf, "%c%c%c%x%x%x%x",
|
|
'A' + ((vendor >> 2) & 0x3f) - 1,
|
|
'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1,
|
|
'A' + ((vendor >> 8) & 0x1f) - 1,
|
|
(device >> 4) & 0x0f, device & 0x0f,
|
|
(device >> 12) & 0x0f, (device >> 8) & 0x0f);
|
|
}
|
|
|
|
struct pnp_card *pnp_find_card(unsigned short vendor, unsigned short device,
|
|
struct pnp_card *from)
|
|
{
|
|
char id[8];
|
|
char any[8];
|
|
struct list_head *list;
|
|
|
|
pnp_convert_id(id, vendor, device);
|
|
pnp_convert_id(any, ISAPNP_ANY_ID, ISAPNP_ANY_ID);
|
|
|
|
list = from ? from->global_list.next : pnp_cards.next;
|
|
|
|
while (list != &pnp_cards) {
|
|
struct pnp_card *card = global_to_pnp_card(list);
|
|
|
|
if (compare_pnp_id(card->id, id) || (memcmp(id, any, 7) == 0))
|
|
return card;
|
|
list = list->next;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
struct pnp_dev *pnp_find_dev(struct pnp_card *card, unsigned short vendor,
|
|
unsigned short function, struct pnp_dev *from)
|
|
{
|
|
char id[8];
|
|
char any[8];
|
|
|
|
pnp_convert_id(id, vendor, function);
|
|
pnp_convert_id(any, ISAPNP_ANY_ID, ISAPNP_ANY_ID);
|
|
if (card == NULL) { /* look for a logical device from all cards */
|
|
struct list_head *list;
|
|
|
|
list = pnp_global.next;
|
|
if (from)
|
|
list = from->global_list.next;
|
|
|
|
while (list != &pnp_global) {
|
|
struct pnp_dev *dev = global_to_pnp_dev(list);
|
|
|
|
if (compare_pnp_id(dev->id, id) ||
|
|
(memcmp(id, any, 7) == 0))
|
|
return dev;
|
|
list = list->next;
|
|
}
|
|
} else {
|
|
struct list_head *list;
|
|
|
|
list = card->devices.next;
|
|
if (from) {
|
|
list = from->card_list.next;
|
|
if (from->card != card) /* something is wrong */
|
|
return NULL;
|
|
}
|
|
while (list != &card->devices) {
|
|
struct pnp_dev *dev = card_to_pnp_dev(list);
|
|
|
|
if (compare_pnp_id(dev->id, id))
|
|
return dev;
|
|
list = list->next;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
EXPORT_SYMBOL(pnp_find_card);
|
|
EXPORT_SYMBOL(pnp_find_dev);
|