summaryrefslogtreecommitdiffstats
path: root/net/nfc
diff options
context:
space:
mode:
Diffstat (limited to 'net/nfc')
-rw-r--r--net/nfc/core.c45
1 files changed, 44 insertions, 1 deletions
diff --git a/net/nfc/core.c b/net/nfc/core.c
index a43a56d7f4be..dacadfbcacea 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -760,6 +760,49 @@ inline void nfc_driver_failure(struct nfc_dev *dev, int err)
}
EXPORT_SYMBOL(nfc_driver_failure);
+int nfc_add_se(struct nfc_dev *dev, u32 se_idx, u16 type)
+{
+ struct nfc_se *se, *n;
+
+ pr_debug("%s se index %d\n", dev_name(&dev->dev), se_idx);
+
+ list_for_each_entry_safe(se, n, &dev->secure_elements, list)
+ if (se->idx == se_idx)
+ return -EALREADY;
+
+ se = kzalloc(sizeof(struct nfc_se), GFP_KERNEL);
+ if (!se)
+ return -ENOMEM;
+
+ se->idx = se_idx;
+ se->type = type;
+ se->state = NFC_SE_DISABLED;
+ INIT_LIST_HEAD(&se->list);
+
+ list_add(&se->list, &dev->secure_elements);
+
+ return 0;
+}
+EXPORT_SYMBOL(nfc_add_se);
+
+int nfc_remove_se(struct nfc_dev *dev, u32 se_idx)
+{
+ struct nfc_se *se, *n;
+
+ pr_debug("%s se index %d\n", dev_name(&dev->dev), se_idx);
+
+ list_for_each_entry_safe(se, n, &dev->secure_elements, list)
+ if (se->idx == se_idx) {
+ list_del(&se->list);
+ kfree(se);
+
+ return 0;
+ }
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL(nfc_remove_se);
+
static void nfc_release(struct device *d)
{
struct nfc_dev *dev = to_nfc_dev(d);
@@ -856,9 +899,9 @@ struct nfc_dev *nfc_allocate_device(struct nfc_ops *ops,
dev->ops = ops;
dev->supported_protocols = supported_protocols;
- dev->active_se = NFC_SE_NONE;
dev->tx_headroom = tx_headroom;
dev->tx_tailroom = tx_tailroom;
+ INIT_LIST_HEAD(&dev->secure_elements);
nfc_genl_data_init(&dev->genl_data);