linux-kernel - Re: [PATCH] mt76: Fix queue ID variable types after mcu queue split

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Message-ID: <87k0sjlwyb.fsf@codeaurora.org>
Date:   Mon, 11 Jan 2021 10:06:04 +0200
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Lorenzo Bianconi <lorenzo@...nel.org>
Cc:     Nathan Chancellor <natechancellor@...il.com>,
        Felix Fietkau <nbd@....name>,
        Lorenzo Bianconi <lorenzo.bianconi83@...il.com>,
        Ryder Lee <ryder.lee@...iatek.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        clang-built-linux@...glegroups.com
Subject: Re: [PATCH] mt76: Fix queue ID variable types after mcu queue split

Lorenzo Bianconi <lorenzo@...nel.org> writes:

>> Clang warns in both mt7615 and mt7915:
>> 
>> drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:271:9: warning: implicit
>> conversion from enumeration type 'enum mt76_mcuq_id' to different
>> enumeration type 'enum mt76_txq_id' [-Wenum-conversion]
>>                 txq = MT_MCUQ_FWDL;
>>                     ~ ^~~~~~~~~~~~
>> drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:278:9: warning: implicit
>> conversion from enumeration type 'enum mt76_mcuq_id' to different
>> enumeration type 'enum mt76_txq_id' [-Wenum-conversion]
>>                 txq = MT_MCUQ_WA;
>>                     ~ ^~~~~~~~~~
>> drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:282:9: warning: implicit
>> conversion from enumeration type 'enum mt76_mcuq_id' to different
>> enumeration type 'enum mt76_txq_id' [-Wenum-conversion]
>>                 txq = MT_MCUQ_WM;
>>                     ~ ^~~~~~~~~~
>> 3 warnings generated.
>> 
>> drivers/net/wireless/mediatek/mt76/mt7615/mcu.c:238:9: warning: implicit
>> conversion from enumeration type 'enum mt76_mcuq_id' to different
>> enumeration type 'enum mt76_txq_id' [-Wenum-conversion]
>>                 qid = MT_MCUQ_WM;
>>                     ~ ^~~~~~~~~~
>> drivers/net/wireless/mediatek/mt76/mt7615/mcu.c:240:9: warning: implicit
>> conversion from enumeration type 'enum mt76_mcuq_id' to different
>> enumeration type 'enum mt76_txq_id' [-Wenum-conversion]
>>                 qid = MT_MCUQ_FWDL;
>>                     ~ ^~~~~~~~~~~~
>> 2 warnings generated.
>> 
>> Use the proper type for the queue ID variables to fix these warnings.
>> Additionally, rename the txq variable in mt7915_mcu_send_message to be
>> more neutral like mt7615_mcu_send_message.
>> 
>> Fixes: e637763b606b ("mt76: move mcu queues to mt76_dev q_mcu array")
>> Link: https://github.com/ClangBuiltLinux/linux/issues/1229
>> Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
>
> Acked-by: Lorenzo Bianconi <lorenzo@...nel.org>

I see that Felix already applied this, but as this is a regression
starting from v5.11-rc1 I think it should be applied to
wireless-drivers. Felix, can you drop this from your tree so that I
could apply it to wireless-drivers?

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches