From: Julien Lefrique Date: Tue, 21 Oct 2014 14:52:53 +0000 (+0200) Subject: NFC: NCI: Signal deactivation in Target mode X-Git-Tag: v3.19-rc1~118^2~28^2~16^2~26 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d7979e130ebb02bafdbfc084312656eec1387911;p=karo-tx-linux.git 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 Signed-off-by: Samuel Ortiz --- 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; }