X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=net%2Fnfc%2Fcore.c;h=eb3cecf1764ecb12bef5b17f92f5991d59158cc1;hb=9674da8759df0d6c0d24e1ede6e2a1acdef91e3c;hp=40d2527693da8170b4edd9d0d50837255387f1eb;hpb=2b69703fea185bb0ae1af78ca2da41af677b9dff;p=linux-2.6-block.git

diff --git a/net/nfc/core.c b/net/nfc/core.c
index 40d2527693da..eb3cecf1764e 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -44,6 +44,47 @@ DEFINE_MUTEX(nfc_devlist_mutex);
 /* NFC device ID bitmap */
 static DEFINE_IDA(nfc_index_ida);
 
+int nfc_fw_upload(struct nfc_dev *dev, const char *firmware_name)
+{
+	int rc = 0;
+
+	pr_debug("%s do firmware %s\n", dev_name(&dev->dev), firmware_name);
+
+	device_lock(&dev->dev);
+
+	if (!device_is_registered(&dev->dev)) {
+		rc = -ENODEV;
+		goto error;
+	}
+
+	if (dev->dev_up) {
+		rc = -EBUSY;
+		goto error;
+	}
+
+	if (!dev->ops->fw_upload) {
+		rc = -EOPNOTSUPP;
+		goto error;
+	}
+
+	dev->fw_upload_in_progress = true;
+	rc = dev->ops->fw_upload(dev, firmware_name);
+	if (rc)
+		dev->fw_upload_in_progress = false;
+
+error:
+	device_unlock(&dev->dev);
+	return rc;
+}
+
+int nfc_fw_upload_done(struct nfc_dev *dev, const char *firmware_name)
+{
+	dev->fw_upload_in_progress = false;
+
+	return nfc_genl_fw_upload_done(dev, firmware_name);
+}
+EXPORT_SYMBOL(nfc_fw_upload_done);
+
 /**
  * nfc_dev_up - turn on the NFC device
  *
@@ -69,6 +110,11 @@ int nfc_dev_up(struct nfc_dev *dev)
 		goto error;
 	}
 
+	if (dev->fw_upload_in_progress) {
+		rc = -EBUSY;
+		goto error;
+	}
+
 	if (dev->dev_up) {
 		rc = -EALREADY;
 		goto error;