iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

iwlwifi: mvm: fix 32-bit build in FTM

Browse Source 
On a 32-bit build, the division here needs to be done
using do_div(), otherwise the compiler will try to call
a function that doesn't exist, thus failing to build.

Fixes: b68bd2e3143a ("iwlwifi: mvm: Add FTM initiator RTT smoothing logic")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211219111352.e56cbf614a4d.Ib98004ccd2c7a55fd883a8ea7eebd810f406dec6@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg 2021-12-19 11:14:18 +02:00 committed by Luca Coelho
parent 4cd177b43a
commit 8b0f92549f
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c
View File

@ -1066,7 +1066,8 @@ static void iwl_mvm_ftm_rtt_smoothing(struct iwl_mvm *mvm,
overshoot = IWL_MVM_FTM_INITIATOR_SMOOTH_OVERSHOOT;
alpha = IWL_MVM_FTM_INITIATOR_SMOOTH_ALPHA;
rtt_avg = (alpha * rtt + (100 - alpha) * resp->rtt_avg) / 100;
rtt_avg = alpha * rtt + (100 - alpha) * resp->rtt_avg;
do_div(rtt_avg, 100);
IWL_DEBUG_INFO(mvm,
"%pM: prev rtt_avg=%lld, new rtt_avg=%lld, rtt=%lld\n",