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

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Message-ID: <9af48c35-c987-7eb4-e3a1-5e54555f988b@nbd.name>
Date:   Thu, 14 Jan 2021 10:24:30 +0100
From:   Felix Fietkau <nbd@....name>
To:     Kalle Valo <kvalo@...eaurora.org>,
        Lorenzo Bianconi <lorenzo@...nel.org>
Cc:     Nathan Chancellor <natechancellor@...il.com>,
        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

On 2021-01-11 09:06, Kalle Valo wrote:
> 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?
Sure, will do.

- Felix