Sven Eckelmann <sven@xxxxxxxxxxxxx> writes: > From: Sven Eckelmann <seckelmann@xxxxxxxxx> > > The survey report is expected to contain a counter which is increasing all > the time. But ath10k reports some kind of delta. This can either be the > difference to the last get_survey or the difference to some even older > get_survey because the values are sometimes cached and sometimes > overwritten. > > To make the returned values useful, they must be accumulated manually by > ath10k before send out to the upper layers. Special care must be taken when > accepting values from older firmware versions (which use > ATH10K_HW_CC_WRAP_SHIFTED_ALL) because they will not clear the cycle_busy > and cycle_total counter and will only use 31 bit of the 64 but counter. Please clarify a bit more which older firmware versions you are talking about, we have so many of them :) I assume you are talking about _all_ QCA988X and QCA9887 firmware versions, but it would be nice to clarify that in the commit log. -- https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
