* ath10k_pci spams dmesg "failed to send pdev bss chan info request"
@ 2020-06-26 7:41 Pali Rohár
0 siblings, 0 replies; only message in thread
From: Pali Rohár @ 2020-06-26 7:41 UTC (permalink / raw)
To: Kalle Valo, ath10k, linux-wireless
Hello!
During testing 5.8.0-rc2 kernel version with Compex WLE900VX card
(ath10k) I see following error in dmesg which is periodically repeating,
sometimes every second:
ath10k_pci 0000:01:00.0: failed to send pdev bss chan info request
Card has firmware version 10.1 and features wmi-10.x,has-wmi-mgmt-tx,mfp
That error message is located in file ath10k/mac.c in the function
ath10k_mac_update_bss_chan_survey().
I checked that 'ret' variable in that function contains value -95 which
is -EOPNOTSUPP. It seems that ath10k_wmi_pdev_bss_chan_info_request() is
not really supported by firmware 10.1.
That function is used only by ath10k_get_survey() function and
ath10k_get_survey() ignores all errors from the function
ath10k_mac_update_bss_chan_survey(). Which seems wrong as get_survey()
could return -EOPNOTSUPP when it is not supported.
Could we at least skip printing that error message when 'ret' is
-EOPNOTSUPP?
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