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

[Kevin Darbyshire-Bryant]

On 15/07/2015 13:22, Matti Laakso wrote:
>> 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
>> <https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel>>
>> ---
>>  .../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
>
> Looks good to me. Could you also send a patch to the ath10k mailing
> list (against kvalo's ath git)?
>
> Matti

Yes shouldn't be a problem.  It'll take me a few days to get the
opportunity to do so as busy occupied on other things.

Kevin
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