On Sun, Mar 04, 2012 at 01:39:12AM +0800, Ying-Chun Liu (PaulLiu) wrote:
...
> +static int of_anatop_probe(struct platform_device *pdev)
__devinit
> +{
> + struct device *dev = &pdev->dev;
> + struct device_node *np = dev->of_node;
> + void *ioreg;
> + struct anatop *drvdata;
> +
> + ioreg = of_iomap(np, 0);
> + if (!ioreg)
> + return -EINVAL;
> + drvdata = devm_kzalloc(dev, sizeof(struct anatop), GFP_KERNEL);
> + if (!drvdata)
> + return -EINVAL;
> + drvdata->ioreg = ioreg;
> + spin_lock_init(&drvdata->reglock);
> + platform_set_drvdata(pdev, drvdata);
> + of_platform_bus_probe(np, of_anatop_subdevice_match, dev);
> +
> + return 0;
> +}
> +
> +static int of_anatop_remove(struct platform_device *pdev)
__devexit
> +{
> + struct anatop *drvdata;
> + drvdata = platform_get_drvdata(pdev);
> + iounmap(drvdata->ioreg);
> + return 0;
> +}
> +
--
Regards,
Shawn
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