On 10/04/13 09:31, Stanimir Varbanov wrote:
>
>>> +static int msm_rng_probe(struct platform_device *pdev)
>>> +{
>>> + struct msm_rng *rng;
>>> + struct device_node *np;
>>> + struct resource res;
>>> + int ret;
>>> +
>>> + np = of_node_get(pdev->dev.of_node);
>>> + if (!np)
>>> + return -ENODEV;
>> This is unnecessary.
> I used this call because CONFIG_OF_DYNAMIC could be enabled at some
> time. Isn't that possible? I saw that of_node_get|put is used in .probe
> on few places in drivers.
So far we aren't selecting that config on ARM.
If you look at of_device_alloc() you'll see
dev->dev.of_node = of_node_get(np);
so any platform devices created from of_platform_populate won't have
their of_node go away.
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