On 09/01/2016 11:19 AM, Javier Martinez Canillas wrote:
> Hello Krzysztof,
>
> On 09/01/2016 11:05 AM, Krzysztof Kozlowski wrote:
>> On 09/01/2016 10:43 AM, Javier Martinez Canillas wrote:
>>>>> --- a/arch/arm/boot/dts/exynos5440-ssdk5440.dts
>>>>> +++ b/arch/arm/boot/dts/exynos5440-ssdk5440.dts
>>>>> @@ -21,6 +21,11 @@
>>>>> bootargs = "root=/dev/sda2 rw rootwait ignore_loglevel earlyprintk no_console_suspend mem=2048M@0x80000000 mem=6144M@0x100000000 console=ttySAC0,115200";
>>>>> };
>>>>>
>>>>> + memory {
>>>>> + device_type = "memory";
>>>>> + reg = <0 0>;
>>>>> + };
>>>>
>>>> This looks okay, but the default size and address cells won't be
>>>> present. Won't that be a problem?
>>>>
>>>
>>> They will be present since at this point exynos5440.dtsi is still including
>>> exynos5440.dtsi, we are just overriding the memory node with the same values
>>> than skeleton.dtsi so this can be removed later in patch 7/7.
>>
>> I don't get it. exynos5440.dtsi does not set size/address cells in top node.
>>
>
> Sorry, maybe I'm misunderstanding your question. The size/address cells are set
> in the top node by exynos5440.dtsi including the skeleton.dtsi (since these are
> set in that included dtsi).
Where? Nothing in my sources...
15 / {
16 compatible = "samsung,exynos5440", "samsung,exynos5";
17
18 interrupt-parent = <&gic>;
>
> IOW, scripts/dtc/dtx_diff doesn't show differences for these exynos5440 DTB
> before and after $SUBJECT.
Maybe these are also the default values so no differences... stating
them explicitly would be useful.
Best regards,
Krzysztof
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