[PATCH 4/4] ath10k: update bss channel survey information

[Valo, Kalle]

Rajkumar Manoharan <rmanohar at qti.qualcomm.com> writes:

> During hw scan, firmware sends two channel information events (pre-
> complete, complete) to host for each channel change. The snap shot of cycle
> counters (rx_clear and total) between these two events are given for
> survey dump. In order to get latest survey statistics of all channels, a
> scan request has to be issued. In general, an AP DUT is brought up, it
> won't leave BSS channel except few cases like overlapping bss or radar
> detection. So survey statistics of bss channel is always referring to
> older data that are collected before starting AP (either ACS/OBSS scan).
>
> To collect latest survey information from target, firmware provides WMI
> interface to read cycle counters from hardware. For each survey dump
> request, BSS channel cycle counters are read and cleared in hardware.
> This makes sure that behavior is in align with ath9k survey report.
> So survey dump always gives snap shot of cycle counters b/w two survey
> requests.
>
> Signed-off-by: Yanbo Li <yanbol at qca.qualcomm.com>
> Signed-off-by: Rajkumar Manoharan <rmanohar at qti.qualcomm.com>

This patch adds new sparse warnings:

drivers/net/wireless/ath/ath10k/wmi.c:4824:33: warning: incorrect type in argument 2 (different base types)
drivers/net/wireless/ath/ath10k/wmi.c:4824:33:    expected int [signed] freq
drivers/net/wireless/ath/ath10k/wmi.c:4824:33:    got restricted __le32 [usertype] freq
drivers/net/wireless/ath/ath10k/wmi.c:4833:27: warning: incorrect type in assignment (different base types)
drivers/net/wireless/ath/ath10k/wmi.c:4833:27:    expected signed char [signed] [usertype] [explicitly-signed] noise
drivers/net/wireless/ath/ath10k/wmi.c:4833:27:    got restricted __le32 [usertype] noise_floor

-- 
Kalle Valo