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authorJulien Lefrique <lefrique@marvell.com>2014-10-21 16:52:53 +0200
committerSamuel Ortiz <sameo@linux.intel.com>2014-11-28 14:07:51 +0100
commitd7979e130ebb02bafdbfc084312656eec1387911 (patch)
treeadda6991431ea814c865f44294ad5468349a3594 /net/nfc
parent6ff5462b678db88fa35fda9016d53c32f18eed5f (diff)
NFC: NCI: Signal deactivation in Target mode
Before signaling the deactivation, send a deactivation request if in RFST_DISCOVERY state because neard assumes polling is stopped and will try to restart it. Signed-off-by: Julien Lefrique <lefrique@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc')
-rw-r--r--net/nfc/nci/core.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index 5e3971e88ea5..a354d1985d50 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -681,9 +681,24 @@ static int nci_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target,
static int nci_dep_link_down(struct nfc_dev *nfc_dev)
{
+ struct nci_dev *ndev = nfc_get_drvdata(nfc_dev);
+ int rc;
+
pr_debug("entry\n");
- nci_deactivate_target(nfc_dev, NULL);
+ if (nfc_dev->rf_mode == NFC_RF_INITIATOR) {
+ nci_deactivate_target(nfc_dev, NULL);
+ } else {
+ if (atomic_read(&ndev->state) == NCI_LISTEN_ACTIVE ||
+ atomic_read(&ndev->state) == NCI_DISCOVERY) {
+ nci_request(ndev, nci_rf_deactivate_req, 0,
+ msecs_to_jiffies(NCI_RF_DEACTIVATE_TIMEOUT));
+ }
+
+ rc = nfc_tm_deactivated(nfc_dev);
+ if (rc)
+ pr_err("error when signaling tm deactivation\n");
+ }
return 0;
}