Joonyoung, Abhilash looks to be the father of it... Also I have no idea why I'm appearing as a commiter of that.. as me or anyone from Hardkernel doesn't have access to that github account or contributed to it. I do have a 3.17 branch here locally on my computer but its not public anywhere. On Wed, Oct 22, 2014 at 11:36 PM, Joonyoung Shim <jy0922.shim@xxxxxxxxxxx> wrote: > On 10/23/2014 10:25 AM, Mauro Ribeiro wrote: >> Joonyoung, >> >> This patch was provided by Samsung and if someone can explain is you >> guys from Samsung. >> I have no idea of the logics behind this or what it would take to fix it. >> Keep in mind that our u-boot and kernel (downstream 3.10) is part of >> Samsung provided BSP. >> Would be nice if you guys could explain this. >> > > Mauro, > > Thanks to reply, do you know author of this patch written by Samsung? > > > To Kukjin, > > The patch[1] seems to come from S.LSI guys, could you contact about this? > > [1]: https://github.com/abhijeet-dev/linux-samsung/commit/553b7f40465ab4fad6c270f289cd4780942f7fae > >> >> >> On Wed, Oct 22, 2014 at 11:17 PM, Joonyoung Shim >> <jy0922.shim@xxxxxxxxxxx> wrote: >>> Add Cc the patch author and committer from github. >>> >>> On 10/23/2014 10:04 AM, Joonyoung Shim wrote: >>>> Hi, >>>> >>>> On 10/17/2014 09:06 PM, Kevin Hilman wrote: >>>>> On Wed, Oct 15, 2014 at 4:35 AM, Joonyoung Shim <jy0922.shim@xxxxxxxxxxx> wrote: >>>>>> Hi, >>>>>> >>>>>> Kevin Hilman <khilman <at> kernel.org> writes: >>>>>> >>>>>>> >>>>>>> Hi hdmi_resources_init, >>>>>>> >>>>>>> Abhilash Kesavan <a.kesavan <at> samsung.com> writes: >>>>>>> >>>>>>>> I had noticed a similar issue where only 6 cores would come up during >>>>>>>> development on 5420. This was because there was a check in our u-boot >>>>>>>> secondary boot-up path which would put a core into WFI if a flag was >>>>>>>> not present and hence fail to boot. I wonder if it is the same >>>>>>>> situation in your case too. >>>>>>>> Is the u-boot for odroid-xu3 publically available or can you check if >>>>>> there is any such code present in your >>>>>>> secondary bring-up path. >>>>>>> >>>>>>> I'm using the hardkernel u-boot[1], branch: odroidxu3-v2012.07. I'm >>>>>>> currently using the pre-built binaries that are in the >>>>>>> sd_fuse/hardkernel directory of that branch, but I can rebuild u-boot if >>>>>>> needed. >>>>>>> >>>>>>> I'm not very familiar with u-boot, but if f you have some pointers where >>>>>>> to start looking in that code, that would be helpful. >>>>>>> >>>>>>> Kevin >>>>>>> >>>>>>> [1] https://github.com/hardkernel/u-boot.git >>>>>>> >>>>>>> >>>>>> >>>>>> It seems to need magic code. >>>>>> >>>>>> Please refer >>>>>> https://github.com/abhijeet-dev/linux-samsung/commit/553b7f40465ab4fad6c270f289cd4780942f7fae >>>>> >>>>> Thanks, Abhilash had pointed me to the same code, and it works. But... >>>>> >>>>> Can someone explain this "magic", ideally in the form of a changelog >>>>> and patch submitted upstream? >>>>> >>>> >>>> I also really wonder. >>>> >>>> One more problem, cpu0 doesn't boot after offline and system is halted. >>>> >>>> # echo 0 > /sys/devices/system/cpu/cpu0/online >>>> [ 28.027852] IRQ152 no longer affine to CPU0 >>>> [ 28.028087] IRQ256 no longer affine to CPU0 >>>> [ 28.028344] CPU0: shutdown >>>> # >>>> # echo 1 > /sys/devices/system/cpu/cpu0/online >>>> >>>> So, it's failed script[1] to test MCPM functionalities >>>> >>>> Thanks. >>>> >>>> [1]: http://www.spinics.net/lists/arm-kernel/msg330946.html >>>> >>> >>> -- >>> 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 >> > -- 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