[RFC PATCH 02/10] MIPS: Octeon: Add device tree source files.

David Daney ddaney at caviumnetworks.com
Thu Feb 24 13:22:43 EST 2011


On 02/23/2011 06:14 PM, David Gibson wrote:
> On Wed, Feb 23, 2011 at 05:57:43PM -0800, David Daney wrote:
>> On 02/23/2011 03:49 PM, David Gibson wrote:
>>> On Wed, Feb 23, 2011 at 11:06:30AM -0800, David Daney wrote:
>>>> On 02/22/2011 04:07 PM, David Gibson wrote:
>>>>> On Tue, Feb 22, 2011 at 12:57:46PM -0800, David Daney wrote:
>>>>>> Signed-off-by: David Daney<ddaney at caviumnetworks.com>
>>>>>> ---
>>>>>>   arch/mips/cavium-octeon/.gitignore      |    2 +
>>>>>>   arch/mips/cavium-octeon/Makefile        |   13 ++
>>>>>>   arch/mips/cavium-octeon/octeon_3xxx.dts |  314 +++++++++++++++++++++++++++++++
>>>>>>   arch/mips/cavium-octeon/octeon_68xx.dts |   99 ++++++++++
>>>>>>   4 files changed, 428 insertions(+), 0 deletions(-)
>>>>>>   create mode 100644 arch/mips/cavium-octeon/.gitignore
>>>>>>   create mode 100644 arch/mips/cavium-octeon/octeon_3xxx.dts
>>>>>>   create mode 100644 arch/mips/cavium-octeon/octeon_68xx.dts
>>>>>>
>>>>>> diff --git a/arch/mips/cavium-octeon/.gitignore b/arch/mips/cavium-octeon/.gitignore
>>>>>> new file mode 100644
>>>>>> index 0000000..39c9686
>>>>>> --- /dev/null
>>>>>> +++ b/arch/mips/cavium-octeon/.gitignore
>>>>>> @@ -0,0 +1,2 @@
>>>>>> +*.dtb.S
>>>>>
>>>>> .dtb.S?
>>>>
>>>> I think I have the correct .gitignore syntax.
>>>
>>> What I meant was, where are you generating .dtb.S files that you need
>>> to ignore them?
>>>
>>
>> They are a byproduct of $(call cmd,dtc).
>>
>> Normally make removes them automatically, but if you abort at just
>> the right time, they can be left around.
>>
>> If it is objectionable, I can just remove that .gitignore bit.
>
> No, if they're byproducts of cmd,dtc they should be there.  I'm just a
> bit baffled as to why cmd,dtc would produce such byproducts.  dtc
> itself will convert dts ->  dtb without any extraneous intermediate
> steps.
>

I misspoke.

$(call cmd,dtc) does indeed just do the direct conversion.  There are 
other rules in scripts/Makefile.lib that convert the .dtb into a .dtb.o 
file that generate the .dtb.S files.

David Daney


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