On 11.12.2015 12:32, Viresh Kumar wrote: > On 11-12-15, 00:25, Javier Martinez Canillas wrote: >> The problem is that the big and LITTLE cores have different ordering per SoCs: >> >> - Exynos5420 and Exynos5800: cpu0-3 (Cortex-A15) and cpu4-7 (Coretx-A7) >> - Exynos5422: cpu0-3 (Cortex-A7) and cpu4-7 (Cortex-A15) >> >> So the OPP tables are set in this DTSI file, to prevent the OPP tables >> in the Exynos5422 to be inverted for the cluster 0 and 1. > > Oh dude, that's really *ugly*. :) > > Reusing files/definitions is fine to the point where things are > readable. But you have screwed it up so very badly. > > Over that, why can't you keep cpu0-3 as A7 and 4-7 as a15 for all the > cases? The only worrying thing for you should be that CPU0 within the > kenrel should be controllable, right? i.e. you want a A15 to boot 5800 > and A7 to boot 5422. > > If yes, than you could have kept the CPUs in 5422 as: > 0-3: A7 > 4-7: A15 > > and in 5420 as: > 4-7: A15 > 0-3: A7 > > Wouldnt' that work ? It wasn't working like this. The cpu0 got the index from booting cpu, so on 5420 cpu0 was A15 and on 5422 it was A7. Maybe I am not aware of some changes recently in the kernel but how do you want to assign the booting CPU proper number (not CPU0)? Best regards, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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