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From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Inochi Amaoto <inochiama@gmail.com>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>, Yixun Lan <dlan@gentoo.org>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Richard Cochran <richardcochran@gmail.com>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>, Yao Zi <ziyao@disroot.org>,
	Yanteng Si <siyanteng@cqsoftware.com.cn>,
	Vladimir Oltean <vladimir.oltean@nxp.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
	Chen-Yu Tsai <wens@kernel.org>,
	Choong Yong Liang <yong.liang.choong@linux.intel.com>,
	Shangjuan Wei <weishangjuan@eswincomputing.com>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Boon Khai Ng <boon.khai.ng@altera.com>,
	Maxime Chevallier <maxime.chevallier@bootlin.com>,
	Quentin Schulz <quentin.schulz@cherry.de>,
	Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	Jose Abreu <joabreu@synopsys.com>,
	netdev@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	spacemit@lists.linux.dev,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	Longbin Li <looong.bin@gmail.com>
Subject: Re: [PATCH net-next v2 3/3] net: stmmac: Add glue layer for Spacemit K3 SoC
Date: Wed, 21 Jan 2026 12:05:30 +0000	[thread overview]
Message-ID: <aXDBCsfaNrgfGjNK@shell.armlinux.org.uk> (raw)
In-Reply-To: <20260121071315.940130-4-inochiama@gmail.com>

On Wed, Jan 21, 2026 at 03:13:11PM +0800, Inochi Amaoto wrote:
> +	mask = RGMII_RX_DLINE_STEP | RGMII_TX_DLINE_CODE | RGMII_TX_DLINE_EN |
> +	       RGMII_TX_DLINE_STEP | RGMII_RX_DLINE_CODE | RGMII_RX_DLINE_EN;
> +	val = FIELD_PREP(RGMII_TX_DLINE_STEP, tx_config) |
> +	      FIELD_PREP(RGMII_TX_DLINE_CODE, tx_code) | RGMII_TX_DLINE_EN |
> +	      FIELD_PREP(RGMII_RX_DLINE_STEP, rx_config) |
> +	      FIELD_PREP(RGMII_RX_DLINE_CODE, rx_code) | RGMII_RX_DLINE_EN;

So your reply where you basically stated that all the RGMII.*DLINE.*
constants here should be the same was nonsense. How can we trust your
replies?

> +static int spacemit_dwmac_fix_delay(struct plat_stmmacenet_data *plat_dat,
> +				    struct regmap *apmu,
> +				    unsigned int dline_offset,
> +				    unsigned int tx_delay, unsigned int rx_delay)
> +{
> +	bool mac_rxid = rx_delay != 0;
> +	bool mac_txid = tx_delay != 0;
> +	unsigned int rx_config = 0;
> +	unsigned int tx_config = 0;
> +	int rx_code;
> +	int tx_code;
> +
> +	plat_dat->phy_interface = phy_fix_phy_mode_for_mac_delays(plat_dat->phy_interface,
> +								  mac_txid,
> +								  mac_rxid);

Maybe Andrew can confirm, but this function was to fix up existing
broken DT, and shouldn't be used by brand new drivers.

> +	plat_dat->clk_tx_i = devm_clk_get_enabled(&pdev->dev, "tx");
> +	if (IS_ERR(plat_dat->clk_tx_i))
> +		return dev_err_probe(&pdev->dev, PTR_ERR(plat_dat->clk_tx_i),
> +				     "failed to get tx clock\n");

As stated on the previous series, please don't abuse clk_tx_i for
soemthing that isn't the dwmac's clk_tx_i signal.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!

  reply	other threads:[~2026-01-21 12:05 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-21  7:13 [PATCH net-next v2 0/3] riscv: spacemit: Add ethernet support for K3 Inochi Amaoto
2026-01-21  7:13 ` [PATCH net-next v2 1/3] dt-bindings: net: Add support for Spacemit K3 dwmac Inochi Amaoto
2026-01-21 16:21   ` Rob Herring
2026-01-21  7:13 ` [PATCH net-next v2 2/3] net: stmmac: platform: Add snps,dwmac-5.40a IP compatible string Inochi Amaoto
2026-01-21  7:13 ` [PATCH net-next v2 3/3] net: stmmac: Add glue layer for Spacemit K3 SoC Inochi Amaoto
2026-01-21 12:05   ` Russell King (Oracle) [this message]
2026-01-21 13:45     ` Andrew Lunn
2026-01-21 22:37       ` Inochi Amaoto
2026-01-21 23:58     ` Inochi Amaoto
2026-01-22  0:29     ` Inochi Amaoto

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