[PATCH] stmmac: Add device-tree support
Stefan Roese
sr at denx.de
Tue Mar 13 02:25:50 EST 2012
On Monday 12 March 2012 15:38:25 Jean-Christophe PLAGNIOL-VILLARD wrote:
> > @@ -58,6 +94,22 @@ static int stmmac_pltfr_probe(struct platform_device
> > *pdev)
> >
> > ret = -ENOMEM;
> > goto out_release_region;
> >
> > }
> >
> > +
> > +#ifdef CONFIG_OF
> > + plat_dat = devm_kzalloc(&pdev->dev, sizeof(struct
> > plat_stmmacenet_data), + GFP_KERNEL);
> > + if (!plat_dat) {
> > + pr_err("%s: ERROR: no memory", __func__);
> > + ret = -ENOMEM;
> > + goto out_unmap;
> > + }
> > +
> > + ret = stmmac_probe_config_dt(pdev, plat_dat, &mac);
> > + if (ret) {
> > + pr_err("%s: main dt probe failed", __func__);
> > + goto out_unmap;
> > + }
> > +#else
>
> This must be check at runtime, we can boot a kernel with or without DT.
Are you referring to using "if (pdev->dev.of_node)" to distinguish between DT
and non-DT version instead of this #ifdef?
Thanks,
Stefan
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