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Date:   Fri, 21 Apr 2023 19:32:58 +0100
From:   Daniel Golle <daniel@makrotopia.org>
To:     arinc9.unal@gmail.com
Cc:     Sean Wang <sean.wang@mediatek.com>,
        Landen Chao <Landen.Chao@mediatek.com>,
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Subject: Re: [RFC PATCH net-next 19/22] net: dsa: mt7530: set interrupt
 register only for MT7530
Message-ID: <ZELW2plBzam0r8EF@makrotopia.org>
References: <20230421143648.87889-1-arinc.unal@arinc9.com>
 <20230421143648.87889-20-arinc.unal@arinc9.com>
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On Fri, Apr 21, 2023 at 05:36:45PM +0300, arinc9.unal@gmail.com wrote:
> From: Arınç ÜNAL <arinc.unal@arinc9.com>
> 
> Setting this register related to interrupts is only needed for the MT7530
> switch. Make an exclusive check to ensure this.
> 
> Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>

Acked-by: Daniel Golle <daniel@makrotopia.org>
Tested-by: Daniel Golle <daniel@makrotopia.org>
(on MT7988 which is the relevant hardware regarding this change,
interrupts still work fine)


> ---
>  drivers/net/dsa/mt7530.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
> index a66a762cb5db..ac1e3c58aaac 100644
> --- a/drivers/net/dsa/mt7530.c
> +++ b/drivers/net/dsa/mt7530.c
> @@ -2034,7 +2034,7 @@ mt7530_setup_irq(struct mt7530_priv *priv)
>  	}
>  
>  	/* This register must be set for MT7530 to properly fire interrupts */
> -	if (priv->id != ID_MT7531)
> +	if (priv->id == ID_MT7530 || priv->id == ID_MT7621)
>  		mt7530_set(priv, MT7530_TOP_SIG_CTRL, TOP_SIG_CTRL_NORMAL);
>  
>  	ret = request_threaded_irq(priv->irq, NULL, mt7530_irq_thread_fn,
> -- 
> 2.37.2
>