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From: Andrew Lunn <andrew@lunn.ch>
To: Yao Zi <ziyao@disroot.org>
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>,
	Frank <Frank.Sae@motor-comm.com>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Russell King <linux@armlinux.org.uk>,
	Bjorn Helgaas <bhelgaas@google.com>,
	"Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>,
	Vladimir Oltean <vladimir.oltean@nxp.com>,
	Choong Yong Liang <yong.liang.choong@linux.intel.com>,
	Chen-Yu Tsai <wens@csie.org>, Jisheng Zhang <jszhang@kernel.org>,
	Furong Xu <0x1207@gmail.com>,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	linux-pci@vger.kernel.org
Subject: Re: [PATCH net-next 3/4] net: stmmac: Add glue driver for Motorcomm YT6801 ethernet controller
Date: Sat, 18 Oct 2025 16:53:04 +0200	[thread overview]
Message-ID: <cc564a19-7236-40d4-bf3c-6a24f7d00bec@lunn.ch> (raw)
In-Reply-To: <aPNM1jeKfMPNsO4N@pie>

> > I was also wondering about all the other parameters you set. Why have
> > i not seen any other glue driver with similar code? What makes this
> > glue driver different?
> 
> Most glue drivers are for SoC-integrated IPs, for which
> stmmac_pltfr_probe() helper could be used to retrieve configuration
> arguments from devicetree to fill plat_stmmacenet_data. However, YT6801
> is a PCIe-based controller, and we couldn't rely on devicetree to carry
> these parameters.
> 
> You could find similar parameter setup code in stmmac_pltfr_probe(), and
> also other glue drivers for PCIe-based controllers, like dwmac-intel.c
> (intel_mgbe_common_data) and dwmac-loongson.c (loongson_default_data).

Is there anything common with these two drivers? One of the problems
stmmac has had in the past is that glue driver writers just
copy/paste, rather than refactor other glue drivers to share code.  If
there is shared code, maybe move it into stmmac_pci.c as helpers?

	Andrew

  reply	other threads:[~2025-10-18 14:53 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-14 16:47 [PATCH net-next 0/4] Add DWMAC glue driver for Motorcomm YT6801 Yao Zi
2025-10-14 16:47 ` [PATCH net-next 1/4] PCI: Add vendor ID for Motorcomm Electronic Technology Yao Zi
2025-10-14 20:43   ` Bjorn Helgaas
2025-10-15  9:57     ` Yao Zi
2025-10-14 16:47 ` [PATCH net-next 2/4] net: phy: motorcomm: Support YT8531S PHY in YT6801 Ethernet controller Yao Zi
2025-10-14 17:08   ` Russell King (Oracle)
2025-10-15 13:41     ` Yao Zi
2025-10-14 16:47 ` [PATCH net-next 3/4] net: stmmac: Add glue driver for Motorcomm YT6801 ethernet controller Yao Zi
2025-10-16 20:11   ` Andrew Lunn
2025-10-17 14:03     ` Yao Zi
2025-10-17 14:56       ` Andrew Lunn
2025-10-17 15:04         ` Russell King (Oracle)
2025-10-18  8:21           ` Yao Zi
2025-10-18  8:16         ` Yao Zi
2025-10-18 14:53           ` Andrew Lunn [this message]
2025-10-19  3:05             ` Yao Zi
2025-10-14 16:47 ` [PATCH net-next 4/4] MAINTAINERS: Assign myself as maintainer of Motorcomm DWMAC glue driver Yao Zi
2025-10-15  8:58 ` [PATCH net-next 0/4] Add DWMAC glue driver for Motorcomm YT6801 Mingcong Bai

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