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

From: Lorenzo Bianconi
Date: Thu Dec 31 2020 - 05:10:10 EST


> 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@xxxxxxxxx>

Acked-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>

> ---
> drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 2 +-
> drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 10 +++++-----
> 2 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
> index a44b7766dec6..c13547841a4e 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
> @@ -231,7 +231,7 @@ mt7615_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
> int cmd, int *seq)
> {
> struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
> - enum mt76_txq_id qid;
> + enum mt76_mcuq_id qid;
>
> mt7615_mcu_fill_msg(dev, skb, cmd, seq);
> if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state))
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
> index 5fdd1a6d32ee..e211a2bd4d3c 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
> @@ -256,7 +256,7 @@ mt7915_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
> struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
> struct mt7915_mcu_txd *mcu_txd;
> u8 seq, pkt_fmt, qidx;
> - enum mt76_txq_id txq;
> + enum mt76_mcuq_id qid;
> __le32 *txd;
> u32 val;
>
> @@ -268,18 +268,18 @@ mt7915_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
> seq = ++dev->mt76.mcu.msg_seq & 0xf;
>
> if (cmd == -MCU_CMD_FW_SCATTER) {
> - txq = MT_MCUQ_FWDL;
> + qid = MT_MCUQ_FWDL;
> goto exit;
> }
>
> mcu_txd = (struct mt7915_mcu_txd *)skb_push(skb, sizeof(*mcu_txd));
>
> if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state)) {
> - txq = MT_MCUQ_WA;
> + qid = MT_MCUQ_WA;
> qidx = MT_TX_MCU_PORT_RX_Q0;
> pkt_fmt = MT_TX_TYPE_CMD;
> } else {
> - txq = MT_MCUQ_WM;
> + qid = MT_MCUQ_WM;
> qidx = MT_TX_MCU_PORT_RX_Q0;
> pkt_fmt = MT_TX_TYPE_CMD;
> }
> @@ -326,7 +326,7 @@ mt7915_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
> if (wait_seq)
> *wait_seq = seq;
>
> - return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0);
> + return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[qid], skb, 0);
> }
>
> static void
>
> base-commit: 5c8fe583cce542aa0b84adc939ce85293de36e5e
> --
> 2.30.0
>

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