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;
+}