linux-kernel - Re: [PATCH net V3] net: stmmac: dwmac-loongson: Add fix_soc

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Message-ID: <25782504-2d3c-4666-b72d-343371fe037c@linux.dev>
Date: Thu, 20 Feb 2025 09:28:38 +0800
From: Yanteng Si <si.yanteng@...ux.dev>
To: Qunqin Zhao <zhaoqunqin@...ngson.cn>, kuba@...nel.org,
 andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
 pabeni@...hat.com
Cc: chenhuacai@...nel.org, fancer.lancer@...il.com, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, stable@...r.kernel.org,
 Huacai Chen <chenhuacai@...ngson.cn>
Subject: Re: [PATCH net V3] net: stmmac: dwmac-loongson: Add fix_soc_reset()
 callback


在 2/19/25 10:07 AM, Qunqin Zhao 写道:
> Loongson's DWMAC device may take nearly two seconds to complete DMA reset,
> however, the default waiting time for reset is 200 milliseconds.
> Therefore, the following error message may appear:
>
> [14.427169] dwmac-loongson-pci 0000:00:03.2: Failed to reset the dma
>
> Fixes: 803fc61df261 ("net: stmmac: dwmac-loongson: Add Loongson Multi-channels GMAC support")
> Cc: stable@...r.kernel.org
> Signed-off-by: Qunqin Zhao <zhaoqunqin@...ngson.cn>
> Reviewed-by: Huacai Chen <chenhuacai@...ngson.cn>

Acked-by: Yanteng Si <si.yanteng@...ux.dev>


Thanks,

Yanteng

> ---
> v3: Added "Cc: stable@...r.kernel.org" tag.
>      Added error message to commit message.
>
> v2: Added comments. Changed callback name to loongson_dwmac_fix_reset.
>
>   .../net/ethernet/stmicro/stmmac/dwmac-loongson.c   | 14 ++++++++++++++
>   1 file changed, 14 insertions(+)