[PATCH 05/10] iwlwifi: mvm: fix 32-bit build in FTM
From: Luca Coelho <hidden>
Date: 2021-12-10 09:12:59
Subsystem:
intel wireless wifi link (iwlwifi), the rest · Maintainers:
Miri Korenblit, Linus Torvalds
From: Johannes Berg <redacted> 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. Signed-off-by: Johannes Berg <redacted> Signed-off-by: Luca Coelho <redacted> --- drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
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",
--
2.34.1