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authorBjorn Helgaas <bjorn.helgaas@hp.com>2008-04-29 02:33:58 +0400
committerLen Brown <len.brown@intel.com>2008-04-29 11:22:17 +0400
commit6bf2aab24a5dc26bf8274c4b9dbbed8ca99ae82c (patch)
tree910e6795cf929481cecb00fc5ebad43121beba56 /drivers/pnp/card.c
parent068076d5517009654376ceda75ff44af0feb9b1d (diff)
downloadlinux-6bf2aab24a5dc26bf8274c4b9dbbed8ca99ae82c.tar.xz
PNP: add pnp_alloc_card()
Add pnp_alloc_card() to allocate a struct pnp_card and fill in the protocol, instance number, and initial PNP ID. Now it is always valid to use dev_printk() on any pnp_card pointer. 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>
Diffstat (limited to 'drivers/pnp/card.c')
-rw-r--r--drivers/pnp/card.c28
1 files changed, 25 insertions, 3 deletions
diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c
index d606a163b1d7..a762a4176736 100644
--- a/drivers/pnp/card.c
+++ b/drivers/pnp/card.c
@@ -151,6 +151,31 @@ static void pnp_release_card(struct device *dmdev)
kfree(card);
}
+struct pnp_card *pnp_alloc_card(struct pnp_protocol *protocol, int id, char *pnpid)
+{
+ struct pnp_card *card;
+ struct pnp_id *dev_id;
+
+ card = kzalloc(sizeof(struct pnp_card), GFP_KERNEL);
+ if (!card)
+ return NULL;
+
+ card->protocol = protocol;
+ card->number = id;
+
+ card->dev.parent = &card->protocol->dev;
+ sprintf(card->dev.bus_id, "%02x:%02x", card->protocol->number,
+ card->number);
+
+ dev_id = pnp_add_card_id(card, pnpid);
+ if (!dev_id) {
+ kfree(card);
+ return NULL;
+ }
+
+ return card;
+}
+
static ssize_t pnp_show_card_name(struct device *dmdev,
struct device_attribute *attr, char *buf)
{
@@ -206,9 +231,6 @@ int pnp_add_card(struct pnp_card *card)
int error;
struct list_head *pos, *temp;
- sprintf(card->dev.bus_id, "%02x:%02x", card->protocol->number,
- card->number);
- card->dev.parent = &card->protocol->dev;
card->dev.bus = NULL;
card->dev.release = &pnp_release_card;
error = device_register(&card->dev);