Re: HiKey boot hangs with Linus' HEAD due to coresight dts changes?

[Leo Yan]

Hi John,

On Thu, Nov 16, 2017 at 05:58:54PM -0800, John Stultz wrote:
> On Thu, Nov 16, 2017 at 5:54 PM, John Stultz <john.stultz@xxxxxxxxxx> wrote:
> > Testing with Linus' HEAD today on the HiKey board, I started seeing boot hangs:
> > ...
> >
> > [    0.677971] Serial: AMBA PL011 UART driver
> > [    0.694299] pstore: using zlib compression
> > [    0.698830] console [pstore-1] enabled
> > [    0.702623] pstore: Registered ramoops as persistent store backend
> > [    0.708880] ramoops: attached 0x100000@0x21f00000, ecc: 0/0
> > [    0.715847] f8015000.uart: ttyAMA0 at MMIO 0xf8015000 (irq = 7,
> > base_baud = 0) is a PL011 rev2
> > [    0.725011] uart-pl011 f7111000.uart: could not find pctldev for
> > node /soc/pinmux@f7010000/uart1_pmx_func, deferring probe
> > [    0.736375] uart-pl011 f7112000.uart: could not find pctldev for
> > node /soc/pinmux@f7010000/uart2_pmx_func, deferring probe
> > <hangs here>
> >
> > Bisecting this down, points to:
> >   0b79842775fa ("arm64: dts: hi6220: add coresight dt nodes")
> >
> > Reverting this patch makes things work again.
> >
> > Any ideas as to what might be wrong?
> >
> > Please let me know if I can test any fixes or provide any additional info.
> 
> If its helpful, the full tree I'm using (with the problematic patch
> reverted - as well as a few other needed fixups for recent
> regressions) is here:
>    https://git.linaro.org/people/john.stultz/android-dev.git
> dev/hikey-mainline-WIP
> 
> I'm using the "hikey_defconfig" added in the patchset to build with.

Could you check if below patch has been merged into your code base?