On Mon, Nov 02, 2020 at 01:48:54PM +0100, Ahmad Fatoum wrote: > Hello Michał, > > CC += linux-stm32 > > On 10/24/20 1:53 PM, Michał Mirosław wrote: > > On Fri, Oct 23, 2020 at 10:39:43PM +0200, Corentin Labbe wrote: > >> On Fri, Oct 23, 2020 at 03:42:01PM +0200, Corentin Labbe wrote: > >>> On Wed, Oct 21, 2020 at 08:31:49PM +0200, Corentin Labbe wrote: > >>> I have just saw thoses 3 lines which are probably the real problem. > >>> I have started a new bisect with this error, but it is hitting the same > >>> "crash range" the first one. > >>> > >> > >> I have bisected the problem to commit > >> aea6cb99703e17019e025aa71643b4d3e0a24413 ("regulator: resolve supply after > >> creating regulator") > >> Reverting this fix my problem. > > The change broke boot on all the STM32MP1 boards, because the STPMIC driver > has a vref_ddr regulator, which does not have a dedicated supply, but without > a vref_ddr-supply property the system now no longer boots. [...]
Can you catch debug logs for the bootup in question? I'm not sure what's the failure mode in your case. I guess this is not a bypassed regulator? Best Regards, Michał Mirosław