diff options
| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2008-04-28 16:33:56 -0600 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-04-29 03:22:17 -0400 |
| commit | e436675f2a09ea389c1844507658f304924a2eca (patch) | |
| tree | 21d2885e5b6124faa8ff39e109d8b89316d8b70d /drivers/pnp | |
| parent | 048825deea5f261335b5202cd1114c53a3a21ae7 (diff) | |
PNP: change pnp_add_card_id() to allocate its own pnp_id structures
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>
Diffstat (limited to 'drivers/pnp')
| -rw-r--r-- | drivers/pnp/base.h | 2 | ||||
| -rw-r--r-- | drivers/pnp/card.c | 27 | ||||
| -rw-r--r-- | drivers/pnp/isapnp/core.c | 21 |
3 files changed, 33 insertions, 17 deletions
diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h index b492569bcdf..37f7d85fc4b 100644 --- a/drivers/pnp/base.h +++ b/drivers/pnp/base.h @@ -4,7 +4,7 @@ void *pnp_alloc(long size); void pnp_eisa_id_to_string(u32 id, char *str); struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *, int id, char *pnpid); struct pnp_id *pnp_add_id(struct pnp_dev *dev, char *id); -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); int pnp_interface_attach_device(struct pnp_dev *dev); void pnp_fixup_device(struct pnp_dev *dev); void pnp_free_option(struct pnp_option *option); diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c index da1c9909eb4..d606a163b1d 100644 --- a/drivers/pnp/card.c +++ b/drivers/pnp/card.c @@ -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) diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c index 727936a6bef..1949c18a736 100644 --- a/drivers/pnp/isapnp/core.c +++ b/drivers/pnp/isapnp/core.c @@ -822,17 +822,18 @@ static unsigned char __init isapnp_checksum(unsigned char *data) static void isapnp_parse_card_id(struct pnp_card *card, unsigned short vendor, unsigned short device) { - struct pnp_id *id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL); + char id[8]; - if (!id) - return; - sprintf(id->id, "%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); - pnp_add_card_id(id, card); + id[0] = 'A' + ((vendor >> 2) & 0x3f) - 1; + id[1] = 'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1; + id[2] = 'A' + ((vendor >> 8) & 0x1f) - 1; + id[3] = hex_asc((device >> 4) & 0x0f); + id[4] = hex_asc(device & 0x0f); + id[5] = hex_asc((device >> 12) & 0x0f); + id[6] = hex_asc((device >> 8) & 0x0f); + id[7] = '\0'; + + pnp_add_card_id(card, id); } /* |