+static int ath9k_init_firmware_version(struct ath9k_htc_priv *priv)
+{
+ struct ieee80211_hw *hw = priv->hw;
+ struct wmi_fw_version cmd_rsp;
+ int ret;
+
+ memset(&cmd_rsp, 0, sizeof(cmd_rsp));
+
+ WMI_CMD(WMI_GET_FW_VERSION);
+ if (ret)
+ return -EINVAL;
+
+ priv->fw_version_major = be16_to_cpu(cmd_rsp.major);
+ priv->fw_version_minor = be16_to_cpu(cmd_rsp.minor);
+
+ snprintf(hw->wiphy->fw_version, ETHTOOL_BUSINFO_LEN, "%d.%d",
+ priv->fw_version_major,
+ priv->fw_version_minor);
+
+ dev_info(priv->dev, "ath9k_htc: FW Version: %d.%d\n",
+ priv->fw_version_major,
+ priv->fw_version_minor);
+
+ /*
+ * Check if the available FW matches the driver's
+ * required version.
+ */
+ if (priv->fw_version_major != MAJOR_VERSION_REQ ||
+ priv->fw_version_minor != MINOR_VERSION_REQ) {
+ dev_err(priv->dev, "ath9k_htc: Please upgrade to FW version %d.%d\n",
+ MAJOR_VERSION_REQ, MINOR_VERSION_REQ);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+