[PATCH 1/4] ARM: shmobile: r8a7778: add Ether DT support

Sergei Shtylyov sergei.shtylyov at cogentembedded.com
Tue Sep 3 09:53:13 EDT 2013


Hello.

On 03-09-2013 16:11, Laurent Pinchart wrote:

>>> Documentation/devicetree/booting-without-of.txt mentions it, as well as a
>>> couple of other DT bindings document, but there's no clear documentation
>>> of what device_type should be for network device, and whether the property
>>> is mandatory or optional. Clarifying the documentation would be great.

>> It's documented in the ePAPR spec:

>> "The device_type property was used in IEEE 1275 to describe the device’s
>> FCode programming model. Because ePAPR does not have FCode, new use of
>> the property is deprecated, and it should be included only on cpu and
>> memory nodes for compatibility with IEEE 1275–derived device trees."

> Thank you for the clarification.

>> The bottom line is - don't use it, unless you've good good reasons?

> I'll let Sergei share his opinion on whether we've got good reasons :-)

    No, we don't, I'll remove the prop.

WBR, Sergei




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