[OpenWrt-Devel] [PATCH] mac80211: ath10k Suppress 'failed to process fft' warning messages.

[Kevin Darbyshire-Bryant]

When using DFS channels on Ath10k kernel log has warning message 'failed
to process fft', typically when under medium/heavy traffic.  Ticket
https://dev.openwrt.org/ticket/19316 discusses and concludes messages
are harmless.  They do still contribute to log noise, so this patch
enables them only in driver debug mode.  Hopefully this will stop people
like me worrying about them.

Tested on Archer C7

Signed-off-by: Kevin Darbyshire-Bryant <kevin at darbyshire-bryant.me.uk>
---
 .../931-ath10k_suppress_failed_to_process_fft_warning.patch   | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 package/kernel/mac80211/patches/931-ath10k_suppress_failed_to_process_fft_warning.patch

diff --git a/package/kernel/mac80211/patches/931-ath10k_suppress_failed_to_process_fft_warning.patch b/package/kernel/mac80211/patches/931-ath10k_suppress_failed_to_process_fft_warning.patch
new file mode 100644
index 0000000..dceab0f
--- /dev/null
+++ b/package/kernel/mac80211/patches/931-ath10k_suppress_failed_to_process_fft_warning.patch
@@ -0,0 +1,11 @@
+--- a/drivers/net/wireless/ath/ath10k/wmi.c
++++ b/drivers/net/wireless/ath/ath10k/wmi.c
+@@ -2658,7 +2658,7 @@ void ath10k_wmi_event_spectral_scan(stru
+ 							  fftr, fftr_len,
+ 							  tsf);
+ 			if (res < 0) {
+-				ath10k_warn(ar, "failed to process fft report: %d\n",
++				ath10k_dbg(ar, ATH10K_DBG_WMI, "failed to process fft report: %d\n",
+ 					    res);
+ 				return;
+ 			}
-- 
1.9.1
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