summaryrefslogtreecommitdiffstats
path: root/net/nfc
diff options
context:
space:
mode:
authorSamuel Ortiz <sameo@linux.intel.com>2012-06-22 02:04:53 +0200
committerJohn W. Linville <linville@tuxdriver.com>2012-07-09 16:42:16 -0400
commitb8e7a06d9cd4c0e778b1d12cef1ef414e0fb6d7e (patch)
tree556ed1c0cbdc5946893b6ad88bb6896d5e07044a /net/nfc
parent12e5bdfefa45ecacd22c519875d06113f95a26af (diff)
downloadlinux-stable-b8e7a06d9cd4c0e778b1d12cef1ef414e0fb6d7e.tar.gz
linux-stable-b8e7a06d9cd4c0e778b1d12cef1ef414e0fb6d7e.tar.bz2
linux-stable-b8e7a06d9cd4c0e778b1d12cef1ef414e0fb6d7e.zip
NFC: Build LLCP general bytes upon request
Drivers will need them before starting a poll or when being activated as targets. Mostly WKS can have changed between device registration and then so we need to re-build the whole array. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc')
-rw-r--r--net/nfc/llcp/llcp.c32
1 files changed, 17 insertions, 15 deletions
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index eee4b9286f8d..6812b1e4f025 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -310,21 +310,6 @@ void nfc_llcp_put_ssap(struct nfc_llcp_local *local, u8 ssap)
mutex_unlock(&local->sdp_lock);
}
-u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len)
-{
- struct nfc_llcp_local *local;
-
- local = nfc_llcp_find_local(dev);
- if (local == NULL) {
- *general_bytes_len = 0;
- return NULL;
- }
-
- *general_bytes_len = local->gb_len;
-
- return local->gb;
-}
-
static int nfc_llcp_build_gb(struct nfc_llcp_local *local)
{
u8 *gb_cur, *version_tlv, version, version_length;
@@ -386,6 +371,23 @@ static int nfc_llcp_build_gb(struct nfc_llcp_local *local)
return 0;
}
+u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len)
+{
+ struct nfc_llcp_local *local;
+
+ local = nfc_llcp_find_local(dev);
+ if (local == NULL) {
+ *general_bytes_len = 0;
+ return NULL;
+ }
+
+ nfc_llcp_build_gb(local);
+
+ *general_bytes_len = local->gb_len;
+
+ return local->gb;
+}
+
int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len)
{
struct nfc_llcp_local *local = nfc_llcp_find_local(dev);