From 0190ff24e55efd3e02479537c2d91835602fffa3 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 22 Nov 2017 09:02:42 +0100
Subject: [PATCH] iwlwifi: mvm: request statistics when reading debugfs
Git-commit: 0190ff24e55efd3e02479537c2d91835602fffa3
Patch-mainline: v4.16-rc1
References: FATE#326294
When statistics are read from debugfs, make sure that they
are actually updated from the firmware.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index 834c798f728c..270781e13e89 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -759,6 +759,9 @@ static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
mutex_lock(&mvm->mutex);
+ if (iwl_mvm_firmware_running(mvm))
+ iwl_mvm_request_statistics(mvm, false);
+
pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
"Statistics_Rx - OFDM");
if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
--
2.19.2