netdev - Re: [PATCH net-next v11 6/6] net: stmmac: dwmac-loongson: Add Loongson GNET support

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Message-ID: <bc930a7b-6193-495b-90b4-e00d89477767@loongson.cn>
Date: Thu, 25 Apr 2024 16:09:01 +0800
From: Yanteng Si <siyanteng@...ngson.cn>
To: Huacai Chen <chenhuacai@...nel.org>
Cc: andrew@...n.ch, hkallweit1@...il.com, peppe.cavallaro@...com,
 alexandre.torgue@...s.st.com, joabreu@...opsys.com, fancer.lancer@...il.com,
 Jose.Abreu@...opsys.com, linux@...linux.org.uk, guyinggang@...ngson.cn,
 netdev@...r.kernel.org, chris.chenfeiyang@...il.com, siyanteng01@...il.com
Subject: Re: [PATCH net-next v11 6/6] net: stmmac: dwmac-loongson: Add
 Loongson GNET support


在 2024/4/24 21:37, Huacai Chen 写道:
>> +static struct mac_device_info *loongson_dwmac_setup(void *apriv)
>> +{
>> +       struct stmmac_priv *priv = apriv;
>> +       struct stmmac_resources res;
>> +       struct mac_device_info *mac;
>> +       struct stmmac_dma_ops *dma;
>> +       struct pci_dev *pdev;
>> +       u32 loongson_gmac;
>> +
>> +       memset(&res, 0, sizeof(res));
>> +       pdev = to_pci_dev(priv->device);
>> +       res.addr = pcim_iomap_table(pdev)[0];
>> +       loongson_gmac = readl(res.addr + GMAC_VERSION) & 0xff;
> We can add a "gmac_version" in loongson_data, then we only need to
> read it once in the probe function.

Okay!


Thanks,

Yanteng