#19316: ath10k_pci 0000:01:00.0: failed to process fft report: -22
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Reporter: kevindb | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: kernel | Version: Trunk
Resolution: | Keywords: ath10k fft
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Comment (by kevindb):
I have submitted a patch https://patchwork.ozlabs.org/patch/493998/ to
move these messages to the debug message path.
I briefly investigated the 'bin_len' that was being passed from wmi.c to
spectral.c ath10k_spectral_process_fft when the error was reported and
found it to be 64 when in 80MHz channel width and 32 when in 40MHz channel
width.
One of the first checks is (bin_len <64 || bin_len >
SPECTRAL_ATH10K_MAX_NUM_BINS) (ie. 256) in which case we return EINVAL, so
our '32' bin_len will not be processed.
Later 80Mhz channel width & 64 are specifically checked and excluded with
EINVAL, so that combination won't get processed either.
I can't help feel that this is log file noise, hence the patch.
--
Ticket URL: <https://dev.openwrt.org/ticket/19316#comment:8>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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