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| author |   Johannes Berg <johannes.berg@intel.com> | 2021-12-19 11:14:18 +0200 |
|---|---|---|
| committer |   Luca Coelho <luciano.coelho@intel.com> | 2021-12-21 12:35:05 +0200 |
| commit | 8b0f92549f2c2458200935c12a2e2a6e80234cf5 (patch) | |
| tree | 5433c25203bd35b677ca89202a527252e38deef3 /drivers/net/wireless | |
| parent | iwlwifi: dump RCM error tables (diff) | |
| download | linux-dev-8b0f92549f2c2458200935c12a2e2a6e80234cf5.tar.xz linux-dev-8b0f92549f2c2458200935c12a2e2a6e80234cf5.zip | |
iwlwifi: mvm: fix 32-bit build in FTM
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>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c index 949fb790f8fb..3e6c13fc74eb 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c @@ -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", |