Re: [PATCH] libfdt: add address translation support

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On Tue, Apr 15, 2014 at 9:03 AM, Rob Herring <robherring2@xxxxxxxxx> wrote:
> Ben,
>
> On Tue, Apr 1, 2014 at 6:02 PM, Scott Wood <scottwood@xxxxxxxxxxxxx> wrote:
>> On Tue, 2014-04-01 at 11:57 -0500, Rob Herring wrote:
>>> From: Rob Herring <robh@xxxxxxxxxx>
>>>
>>> Add FDT based address translation. Currently, only simple bus
>>> translations are supported, but the framework allows adding other
>>> buses like PCI. Adding this to libfdt allows the address
>>> translation code to be shared amongst u-boot, Linux kernel and other
>>> projects.
>>>
>>> This code is based on GPL only licensed code. It must first be
>>> re-licensed for dual GPL/BSD to add to libfdt which requires approval
>>> from the copyright holders.
>>>
>>> This code is copied from u-boot common/fdt_support.c. The portion used
>>> here was originally added to u-boot by Kumar Gala in 2010 and Freescale
>>> is the copyright holder. Later changes have also only been done by
>>> Freescale authors. The u-boot code appears to have been copied from the
>>> Linux kernel's address translation code in drivers/of/address.c which
>>> has no copyright. This code was moved by Grant Likely in 2010 and
>>> originated from arch/powerpc/kernel/prom_parse.c which was written by
>>> Ben Herrenschmidt. Who is the copyright holder on a file in the kernel
>>> with no copyright? Does this default to the author or Linus or nobody?
>>
>> ACK for the Freescale contribution (on copyright issues, not technical -- see below).
>
> Can you please comment on the re-licensing of this code.
>

Ping.

Rob
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