const: struct nla_policy
[safe/jmp/linux-2.6] / drivers / pnp / card.c
index fae2891..4a651f6 100644 (file)
@@ -5,8 +5,10 @@
  */
 
 #include <linux/module.h>
+#include <linux/ctype.h>
 #include <linux/slab.h>
 #include <linux/pnp.h>
+#include <linux/dma-mapping.h>
 #include "base.h"
 
 LIST_HEAD(pnp_cards);
@@ -100,19 +102,33 @@ 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)
+static struct pnp_id *pnp_add_card_id(struct pnp_card *card, char *id)
 {
-       struct pnp_id *ptr;
-
-       id->next = NULL;
+       struct pnp_id *dev_id, *ptr;
+
+       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)
@@ -136,6 +152,33 @@ 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;
+       dev_set_name(&card->dev, "%02x:%02x", card->protocol->number, card->number);
+
+       card->dev.coherent_dma_mask = DMA_BIT_MASK(24);
+       card->dev.dma_mask = &card->dev.coherent_dma_mask;
+
+       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)
 {
@@ -191,39 +234,36 @@ 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);
+       if (error) {
+               dev_err(&card->dev, "could not register (err=%d)\n", error);
+               return error;
+       }
 
-       if (error == 0) {
-               pnp_interface_attach_card(card);
-               spin_lock(&pnp_lock);
-               list_add_tail(&card->global_list, &pnp_cards);
-               list_add_tail(&card->protocol_list, &card->protocol->cards);
-               spin_unlock(&pnp_lock);
-
-               /* we wait until now to add devices in order to ensure the drivers
-                * will be able to use all of the related devices on the card
-                * without waiting any unresonable length of time */
-               list_for_each(pos, &card->devices) {
-                       struct pnp_dev *dev = card_to_pnp_dev(pos);
-                       __pnp_add_device(dev);
-               }
+       pnp_interface_attach_card(card);
+       spin_lock(&pnp_lock);
+       list_add_tail(&card->global_list, &pnp_cards);
+       list_add_tail(&card->protocol_list, &card->protocol->cards);
+       spin_unlock(&pnp_lock);
 
-               /* match with card drivers */
-               list_for_each_safe(pos, temp, &pnp_card_drivers) {
-                       struct pnp_card_driver *drv =
-                           list_entry(pos, struct pnp_card_driver,
-                                      global_list);
-                       card_probe(card, drv);
-               }
-       } else
-               pnp_err("sysfs failure, card '%s' will be unavailable",
-                       card->dev.bus_id);
-       return error;
+       /* we wait until now to add devices in order to ensure the drivers
+        * will be able to use all of the related devices on the card
+        * without waiting an unreasonable length of time */
+       list_for_each(pos, &card->devices) {
+               struct pnp_dev *dev = card_to_pnp_dev(pos);
+               __pnp_add_device(dev);
+       }
+
+       /* match with card drivers */
+       list_for_each_safe(pos, temp, &pnp_card_drivers) {
+               struct pnp_card_driver *drv =
+                   list_entry(pos, struct pnp_card_driver,
+                              global_list);
+               card_probe(card, drv);
+       }
+       return 0;
 }
 
 /**
@@ -254,8 +294,8 @@ int pnp_add_card_device(struct pnp_card *card, struct pnp_dev *dev)
 {
        dev->dev.parent = &card->dev;
        dev->card_link = NULL;
-       snprintf(dev->dev.bus_id, BUS_ID_SIZE, "%02x:%02x.%02x",
-                dev->protocol->number, card->number, dev->number);
+       dev_set_name(&dev->dev, "%02x:%02x.%02x",
+                    dev->protocol->number, card->number, dev->number);
        spin_lock(&pnp_lock);
        dev->card = card;
        list_add_tail(&dev->card_list, &card->devices);
@@ -291,14 +331,15 @@ struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink,
        struct pnp_card *card;
 
        if (!clink || !id)
-               goto done;
+               return NULL;
+
        card = clink->card;
        drv = clink->driver;
        if (!from) {
                pos = card->devices.next;
        } else {
                if (from->card != card)
-                       goto done;
+                       return NULL;
                pos = from->card_list.next;
        }
        while (pos != &card->devices) {
@@ -308,7 +349,6 @@ struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink,
                pos = pos->next;
        }
 
-done:
        return NULL;
 
 found: