[PATCHv5] ARM: dts: add exynos5422-cpus.dtsi to correct cpu order

Krzysztof Kozlowski k.kozlowski at samsung.com
Mon Jul 6 19:23:58 PDT 2015


On 07.07.2015 10:44, Krzysztof Kozlowski wrote:
> On 06.07.2015 23:12, Chanho Park wrote:
>> The odroid-xu3 board which is based on exynos5422 not exynos5800 is
>> booted from cortex-a7 core unlike exynos5800. The odroid-xu3's cpu order
>> is quite strange. cpu0 and cpu5-7 are cortex-a7 cores and cpu1-4 are
>> cortex-a15 cores. To correct this mis-odering, I added exynos5422.dtsi
>> and reversing cpu orders from exynos5420. Now, cpu0-3 are cortex-a7 and
>> cpu4-7 are cortex-a15.
>>
>> Reviewed-by: Krzysztof Kozlowski <k.kozlowski at samsung.com>
>> Signed-off-by: Chanho Park <chanho61.park at samsung.com>
>> ---
>> Changes from v4:
>>  - Remove temporal patch in e-mail body
>>
>> Changes from v3:
>>  - include this exynos5422-cpus.dtsi in the exynos5422-odroidxu3-common.dtsi
>>
>> Changes from v2:
>>  - drop inclusion of exynos5420.dtsi from exynos5422-cpus.dtsi
>>  - drop compatibles from exynos5422-cpus.dtsi
>>
>> Changes from v1:
>>  - rename exynos5422.dtsi to exynos5422-cpus.dtsi
>>  - include the dtsi file top of the exynos5422-odroidxu3.dts
>>
>> Secondary cpu booting problem[1] is not resolved yet. Need more investigations
>> to work booting 8 cores correctly.
>>
>> [1]: http://www.spinics.net/lists/linux-samsung-soc/msg45525.html
>>
>>  arch/arm/boot/dts/exynos5422-cpus.dtsi             | 81 ++++++++++++++++++++++
>>  arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi |  1 +
>>  2 files changed, 82 insertions(+)
>>  create mode 100644 arch/arm/boot/dts/exynos5422-cpus.dtsi
> 
> Thanks, applied to my tree. I'll sent it to Kukjin later for 4.3 unless
> he picks it up from LKML.
> 
> Best regards,
> Krzysztof

Un-applied. The signed-off-by does not match from.

Best regards,
Krzysztof




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