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Date:	Mon, 12 Mar 2012 16:25:50 +0100
From:	Stefan Roese <sr@...x.de>
To:	"Jean-Christophe PLAGNIOL-VILLARD" <plagnioj@...osoft.com>
Cc:	netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	devicetree-discuss@...abs.org,
	Giuseppe Cavallaro <peppe.cavallaro@...com>,
	Viresh Kumar <viresh.kumar@...com>
Subject: Re: [PATCH] stmmac: Add device-tree support

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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