netdev - Re: [PATCH v2 00/10] stmmac: Add Loongson platform support

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Message-ID: <CACWXhK=qGZA=_5PyTpjfdUmtBabtYo7eammoeX87y6vQ+B3NQw@mail.gmail.com>
Date: Fri, 28 Jul 2023 09:36:08 +0800
From: Feiyang Chen <chris.chenfeiyang@...il.com>
To: Jose Abreu <Jose.Abreu@...opsys.com>
Cc: Feiyang Chen <chenfeiyang@...ngson.cn>, "andrew@...n.ch" <andrew@...n.ch>, 
	"hkallweit1@...il.com" <hkallweit1@...il.com>, "peppe.cavallaro@...com" <peppe.cavallaro@...com>, 
	"alexandre.torgue@...s.st.com" <alexandre.torgue@...s.st.com>, 
	"chenhuacai@...ngson.cn" <chenhuacai@...ngson.cn>, "linux@...linux.org.uk" <linux@...linux.org.uk>, 
	"dongbiao@...ngson.cn" <dongbiao@...ngson.cn>, 
	"loongson-kernel@...ts.loongnix.cn" <loongson-kernel@...ts.loongnix.cn>, 
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>, 
	"loongarch@...ts.linux.dev" <loongarch@...ts.linux.dev>
Subject: Re: [PATCH v2 00/10] stmmac: Add Loongson platform support

On Thu, Jul 27, 2023 at 5:02 PM Jose Abreu <Jose.Abreu@...opsys.com> wrote:
>
> From: Feiyang Chen <chenfeiyang@...ngson.cn>
> Date: Thu, Jul 27, 2023 at 08:15:44
>
> > Extend stmmac functions and macros for Loongson DWMAC.
> > Add LS7A support for dwmac_loongson.
> >
> > Feiyang Chen (10):
> >   net: stmmac: Pass stmmac_priv and chan in some callbacks
> >   net: stmmac: dwmac1000: Allow platforms to choose some register
> >     offsets
> >   net: stmmac: dwmac1000: Add multi-channel support
> >   net: stmmac: dwmac1000: Add 64-bit DMA support
> >   net: stmmac: dwmac1000: Add Loongson register definitions
> >   net: stmmac: Add Loongson HWIF entry
> >   net: stmmac: dwmac-loongson: Add LS7A support
> >   net: stmmac: dwmac-loongson: Disable flow control for GMAC
> >   net: stmmac: dwmac-loongson: Add 64-bit DMA and multi-vector support
> >   net: stmmac: dwmac-loongson: Add GNET support
>
> I took a quick look at your patches and I'm thinking whether this is the correct way to go.
> You are mixing up the stmmac generic layer by adding the Loongson HWIF entry.
> The whole idea of HWIF was to have it independent of vendor specific logic.
>
> Can you devise another alternative without mixing up the HWIF?
>

Hi, Jose,

OK, I will try.

Thanks,
Feiyang

> Thanks,
> Jose