PNP: change pnp_add_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>
diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c
index e85cbf1..d3f869e 100644
--- a/drivers/pnp/driver.c
+++ b/drivers/pnp/driver.c
@@ -226,22 +226,36 @@
/**
* pnp_add_id - adds an EISA id to the specified device
- * @id: pointer to a pnp_id structure
* @dev: pointer to the desired device
+ * @id: pointer to an EISA id string
*/
-int pnp_add_id(struct pnp_id *id, struct pnp_dev *dev)
+struct pnp_id *pnp_add_id(struct pnp_dev *dev, 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 = dev->id;
while (ptr && ptr->next)
ptr = ptr->next;
if (ptr)
- ptr->next = id;
+ ptr->next = dev_id;
else
- dev->id = id;
- return 0;
+ dev->id = dev_id;
+
+ return dev_id;
}
EXPORT_SYMBOL(pnp_register_driver);