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SubjectRe: [RESEND PATCH v1 3/4] net: ethernet: arc: Add support emac for RK3036
Date
On Tuesday 29 December 2015 14:59:59 Florian Fainelli wrote:
> On December 27, 2015 11:22:20 PM PST, Xing Zheng <zhengxing@rock-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@rock-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.
>

I would use named structures instead:

static const struct emac_rockchip_soc_data emac_rk3066_emac_data = {
.grf_offset = 0x154,
};

static const struct of_device_id emac_rockchip_dt_ids[] = {
{ .compatible = "rockchip,rk3066-emac", .data = &emac_rk3066_emac_data,
...
};

Armd


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