linux-kernel - Re: [PATCH net-next v10 2/5] net: spacemit: Add K1 Ethernet MAC

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Message-ID: <b6dbb901-e904-47bf-b295-47f610ce3230@iscas.ac.cn>
Date: Mon, 8 Sep 2025 23:25:53 +0800
From: Vivian Wang <wangruikang@...as.ac.cn>
To: Andrew Lunn <andrew+netdev@...n.ch>, Jakub Kicinski <kuba@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Yixun Lan <dlan@...too.org>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Paolo Abeni <pabeni@...hat.com>, Philipp Zabel <p.zabel@...gutronix.de>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Alexandre Ghiti <alex@...ti.fr>
Cc: Vivian Wang <uwu@...m.page>, Vadim Fedorenko <vadim.fedorenko@...ux.dev>,
 Junhui Liu <junhui.liu@...moral.tech>, Simon Horman <horms@...nel.org>,
 Maxime Chevallier <maxime.chevallier@...tlin.com>, netdev@...r.kernel.org,
 devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
 spacemit@...ts.linux.dev, linux-kernel@...r.kernel.org,
 Troy Mitchell <troy.mitchell@...ux.spacemit.com>
Subject: Re: [PATCH net-next v10 2/5] net: spacemit: Add K1 Ethernet MAC

On 9/8/25 20:34, Vivian Wang wrote:

> [...]
> +static u64 emac_get_stat_tx_dropped(struct emac_priv *priv)
> +{
> +	u64 result;

Well, this should be result = 0. That was careless on my part. Will fix
in v11.

I need to start using this clang thing...

Vivian "dramforever" Wang

> +	int cpu;
> +
> +	for_each_possible_cpu(cpu) {
> +		result += READ_ONCE(per_cpu(*priv->stat_tx_dropped, cpu));
> +	}
> +
> +	return result;
> +}