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