From f21dd005df95e0fc6a578342c61b5333ce2abc2b Mon Sep 17 00:00:00 2001 From: Wey-Yi Guy Date: Wed, 8 Dec 2010 15:34:52 -0800 Subject: iwlwifi: keep track of bt coex enable/disable stage For debugging purpose, keep track of the bt coex enable/disable state. Signed-off-by: Wey-Yi Guy --- drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c') diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c index a358d4334a1a..a6dbd8983dac 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c @@ -856,6 +856,9 @@ ssize_t iwl_ucode_bt_stats_read(struct file *file, if (!iwl_is_alive(priv)) return -EAGAIN; + if (!priv->bt_enable_flag) + return -EINVAL; + /* make request to uCode to retrieve statistics information */ mutex_lock(&priv->mutex); ret = iwl_send_statistics_request(priv, CMD_SYNC, false); -- cgit v1.2.3