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authorEric Lapuyade <eric.lapuyade@intel.com>2012-06-11 13:06:56 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2012-07-09 20:42:09 (GMT)
commita070c8591a503ec65e2c84ebaf3454e5cd76e3fe (patch)
treebe16371429ff295074de0b88e8285c9fa27ff59a /net/nfc
parentccca0d6e8805f12fcda2e740c44afa7191923559 (diff)
downloadlinux-fsl-qoriq-a070c8591a503ec65e2c84ebaf3454e5cd76e3fe.tar.xz
NFC: Implement HCI driver or internal error management
If there is an ongoing HCI command executing, it will be completed, thereby pushing the error up to the core. Otherwise, HCI will directly notify the core with the error. Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc')
-rw-r--r--net/nfc/hci/core.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index 9a1a12f..e6b2df3 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -736,10 +736,17 @@ EXPORT_SYMBOL(nfc_hci_get_clientdata);
static void nfc_hci_failure(struct nfc_hci_dev *hdev, int err)
{
- /*
- * TODO: lower layer has permanent failure.
- * complete potential HCI command or send an empty tag discovered event
- */
+ mutex_lock(&hdev->msg_tx_mutex);
+
+ if (hdev->cmd_pending_msg == NULL) {
+ nfc_driver_failure(hdev->ndev, err);
+ goto exit;
+ }
+
+ __nfc_hci_cmd_completion(hdev, err, NULL);
+
+exit:
+ mutex_unlock(&hdev->msg_tx_mutex);
}
void nfc_hci_driver_failure(struct nfc_hci_dev *hdev, int err)