netdev - Re: [RFC v2, net-next, PATCH 4/4] net/cpsw_switchdev: add switchdev mode of operation on cpsw driver

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Date:   Thu, 14 Jun 2018 13:30:28 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Ilias Apalodimas <ilias.apalodimas@...aro.org>
Cc:     netdev@...r.kernel.org, grygorii.strashko@...com,
        ivan.khoronzhuk@...aro.org, nsekhar@...com, ivecera@...hat.com,
        andrew@...n.ch, f.fainelli@...il.com, francois.ozog@...aro.org,
        yogeshs@...com, spatton@...com, Jose.Abreu@...opsys.com
Subject: Re: [RFC v2, net-next, PATCH 4/4] net/cpsw_switchdev: add switchdev
 mode of operation on cpsw driver

Thu, Jun 14, 2018 at 01:11:30PM CEST, ilias.apalodimas@...aro.org wrote:

[...]

>@@ -2711,6 +2789,10 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
> 	if (of_property_read_bool(node, "dual_emac"))
> 		data->switch_mode = CPSW_DUAL_EMAC;
> 
>+	/* switchdev overrides DTS */
>+	if (IS_ENABLED(CONFIG_TI_CPSW_SWITCHDEV))
>+		data->switch_mode = CPSW_SWITCHDEV;

So you force CPSW_SWITCHDEV mode if the CONFIG_TI_CPSW_SWITCHDEV is
enabled. That does not sound right. I think that user should tell what
mode does he want regardless what the kernel config is.