netdev - Re: [PATCH net-next v3 2/9] ravb: Add struct ravb_hw

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Date:   Thu, 19 Aug 2021 19:19:20 +0300
From:   Sergey Shtylyov <s.shtylyov@....ru>
To:     Biju Das <biju.das.jz@...renesas.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
CC:     Sergei Shtylyov <sergei.shtylyov@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Sergey Shtylyov <s.shtylyov@...russia.ru>,
        "Adam Ford" <aford173@...il.com>, Andrew Lunn <andrew@...n.ch>,
        Yuusuke Ashizuka <ashiduka@...itsu.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        <netdev@...r.kernel.org>, <linux-renesas-soc@...r.kernel.org>,
        Chris Paterson <Chris.Paterson2@...esas.com>,
        Biju Das <biju.das@...renesas.com>,
        "Prabhakar Mahadev Lad" <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH net-next v3 2/9] ravb: Add struct ravb_hw_info to driver
 data

On 8/18/21 10:07 PM, Biju Das wrote:

> The DMAC and EMAC blocks of Gigabit Ethernet IP found on RZ/G2L SoC are
> similar to the R-Car Ethernet AVB IP. With a few changes in the driver we
> can support both IPs.
> 
> This patch adds the struct ravb_hw_info to hold hw features, driver data
> and function pointers to support both the IPs. It also replaces the driver
> data chip type with struct ravb_hw_info by moving chip type to it.
> 
> Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> Reviewed-by: Andrew Lunn <andrew@...n.ch>
> ---
> v2->v3:
>  * Retained Rb tag from Andrew, since there is no functionality change
>    apart from just splitting the patch into 2. Also updated the commit
>    description.
> v2:
>  * Incorporated Andrew and Sergei's review comments for making it smaller patch
>    and provided detailed description.

[...]
>  static inline u32 ravb_read(struct net_device *ndev, enum ravb_reg reg)
> diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
> index 94eb9136752d..b6554e5e13af 100644
> --- a/drivers/net/ethernet/renesas/ravb_main.c
> +++ b/drivers/net/ethernet/renesas/ravb_main.c
[...]
> @@ -2113,7 +2122,7 @@ static int ravb_probe(struct platform_device *pdev)
>  		}
>  	}
>  
> -	priv->chip_id = chip_id;
> +	priv->chip_id = info->chip_id;

   Do we still need priv->chip_id?

>  	priv->clk = devm_clk_get(&pdev->dev, NULL);
>  	if (IS_ERR(priv->clk)) {
[...]

Reviewed-by: Sergey Shtylyov <s.shtylyov@....ru>

[...]

MBR, Sergey