linux-kernel - Re: [RESEND PATCH v1 3/4] net: ethernet: arc: Add support emac for RK3036

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Date:	Wed, 30 Dec 2015 00:32:04 +0100
From:	Heiko Stübner <heiko@...ech.de>
To:	Florian Fainelli <f.fainelli@...il.com>
Cc:	Xing Zheng <zhengxing@...k-chips.com>,
	linux-rockchip@...ts.infradead.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>, keescook@...gle.com,
	leozwang@...gle.comi, davem@...emloft.net,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [RESEND PATCH v1 3/4] net: ethernet: arc: Add support emac for RK3036

Am Dienstag, 29. Dezember 2015, 14:59:59 schrieb Florian Fainelli:
> On December 27, 2015 11:22:20 PM PST, Xing Zheng <zhengxing@...k-chips.com> 
wrote:
> >The RK3036's GRFs offset are different with RK3066/RK3188, and need to
> >set
> >mac TX/RX clock before probe emac.
> >
> >Signed-off-by: Xing Zheng <zhengxing@...k-chips.com>
> >---
> 
> <snip>
> 
> > };
> > 
> > static const struct of_device_id emac_rockchip_dt_ids[] = {
> >
> >-	{ .compatible = "rockchip,rk3066-emac", .data =
> >&emac_rockchip_dt_data[0] },
> >-	{ .compatible = "rockchip,rk3188-emac", .data =
> >&emac_rockchip_dt_data[1] },
> >+	{ .compatible = "rockchip,rk3036-emac", .data =
> >&emac_rockchip_dt_data[0] },
> >+	{ .compatible = "rockchip,rk3066-emac", .data =
> >&emac_rockchip_dt_data[1] },
> >+	{ .compatible = "rockchip,rk3188-emac", .data =
> >&emac_rockchip_dt_data[2] },
> >
> > 	{ /* Sentinel */ }
> 
> Food for thought, you might want to use an enum here to index
> emac_rockchip_dt_data which would be less error prone if you add/remove
> entries in this structure.

Or just have the structs separately and not in array-form at all, aka
rk3066_emac_dt_data, rk3036_emac_dt_data.

I don't think the original array really improves anything.
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