linux-kernel - Re: [PATCH] iwlwifi: mvm: Use div_s64 instead of do_div in iwl_mvm_ftm_rtt

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Date:   Mon, 10 Jan 2022 10:08:06 +0200
From:   Kalle Valo <kvalo@...nel.org>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     nathan@...nel.org, johannes.berg@...el.com,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        luciano.coelho@...el.com, netdev@...r.kernel.org
Subject: Re: [PATCH] iwlwifi: mvm: Use div_s64 instead of do_div in iwl_mvm_ftm_rtt_smoothing()

Jakub Kicinski <kuba@...nel.org> writes:

>> When building ARCH=arm allmodconfig:
>> 
>> drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c: In function
>> ‘iwl_mvm_ftm_rtt_smoothing’:
>> ./include/asm-generic/div64.h:222:35: error: comparison of distinct
>> pointer types lacks a cast [-Werror]
>>   222 |         (void)(((typeof((n)) *)0) == ((uint64_t *)0));  \
>>       |                                   ^~
>> drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c:1070:9: note:
>> in expansion of macro ‘do_div’
>>  1070 |         do_div(rtt_avg, 100);
>>       |         ^~~~~~
>
> Let me take this one directly to net-next, hope that's okay.

Thanks, please do, I was offline for a longer period and just came back.

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