Hi Grant,
Sorry for the delay, I was having nice vacations.
2014-03-08 8:37 GMT+01:00 Grant Likely <grant.likely@xxxxxxxxxx>:
> On Fri, 21 Feb 2014 14:18:40 +0100, Jean-Jacques Hiblot <jjhiblot@xxxxxxxxxxxxxxx> wrote:
>> The goal of this patch is to allow drivers to be probed even if at the time of
>> the DT parsing some of their ressources are not available yet.
>
> Hi Jean-Jacques
>
> [...]
>> +int of_platform_device_prepare(struct platform_device *dev)
>> +{
>> + struct device_node *np;
>> + int i, irq_index;
>> + struct resource *res;
>> +
>> + /*
>> + * This function applies only devices described in the DT.
>> + * Other platform devices have their ressources already populated.
>> + */
>> + np = dev->dev.of_node;
>> + if (!np)
>> + return 0;
>
> I believe we already talked about the above test. This function must
> only process devices created by of_platform_populate(). Merely checking
> the of_node pointer is not a sufficient test because there are other
> paths in the kernel for creating platform_devices that might get a node
> pointer attached to it.
Yes we talked about this, but only to move it into of_platform_device_prepare().
Is there an existing way to know for sure that the device has been
created by of_platform_populate() ? I could not find one.
Jean-Jacques
>
> g.
>
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