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PNP: change pnp_add_card_id() to allocate its own pnp_id structures

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This moves some of the pnp_id knowledge out of the backends and into
the PNP core.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Acked-By: Rene Herman <rene.herman@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bjorn Helgaas
2008-04-28 16:33:56 -06:00
committed by Len Brown
parent 048825deea
commit e436675f2a
3 changed files with 33 additions and 17 deletions
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27
drivers/pnp/card.c
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@@ -5,6 +5,7 @@
*/
#include <linux/module.h>
#include <linux/ctype.h>
#include <linux/slab.h>
#include <linux/pnp.h>
#include "base.h"
@@ -100,19 +101,33 @@ static int card_probe(struct pnp_card *card, struct pnp_card_driver *drv)
* @id: pointer to a pnp_id structure
* @card: pointer to the desired card
*/
int pnp_add_card_id(struct pnp_id *id, struct pnp_card *card)
struct pnp_id *pnp_add_card_id(struct pnp_card *card, char *id)
{
struct pnp_id *ptr;
struct pnp_id *dev_id, *ptr;
id->next = NULL;
dev_id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL);
if (!dev_id)
return NULL;
dev_id->id[0] = id[0];
dev_id->id[1] = id[1];
dev_id->id[2] = id[2];
dev_id->id[3] = tolower(id[3]);
dev_id->id[4] = tolower(id[4]);
dev_id->id[5] = tolower(id[5]);
dev_id->id[6] = tolower(id[6]);
dev_id->id[7] = '\0';
dev_id->next = NULL;
ptr = card->id;
while (ptr && ptr->next)
ptr = ptr->next;
if (ptr)
ptr->next = id;
ptr->next = dev_id;
else
card->id = id;
return 0;
card->id = dev_id;
return dev_id;
}
static void pnp_free_card_ids(struct pnp_card *card)