From 6bf2aab24a5dc26bf8274c4b9dbbed8ca99ae82c Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Mon, 28 Apr 2008 16:33:58 -0600 Subject: 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 Acked-By: Rene Herman Signed-off-by: Len Brown --- drivers/pnp/card.c | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) (limited to 'drivers/pnp/card.c') 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); -- cgit v1.2.3