Hello Michał, On 11/13/20 1:20 AM, Michał Mirosław wrote: > It turns out that commit aea6cb99703e ("regulator: resolve supply > after creating regulator") exposed a number of issues in regulator > initialization and introduced a memory leak of its own. One uncovered > problem was already fixed by cf1ad559a20d ("regulator: defer probe when > trying to get voltage from unresolved supply"). This series fixes the > remaining ones and adds a two debugging aids to help in the future. > > The final patch adds a workaround to preexisting problem occurring with > regulators that have the same name as its supply_name. This worked > before by accident, so might be worth backporting. The error message is > left on purpose so that these configurations can be detected and fixed. > > (The first two patches are resends from Nov 5). > > (Series resent because of wrong arm-kernel ML address.)
lxa-mc1 (STM32MP1 board with STPMIC) now manages to boot again with following new warning: stpmic1-regulator 5c002000.i2c:stpmic@33:regulators: Supply for VREF_DDR So for the whole series, Tested-by: Ahmad Fatoum <a.fat...@pengutronix.de> # stpmic1 Thanks! Ahmad > > Michał Mirosław (4): > regulator: fix memory leak with repeated set_machine_constraints() > regulator: debug early supply resolving > regulator: avoid resolve_supply() infinite recursion > regulator: workaround self-referent regulators > > drivers/regulator/core.c | 40 ++++++++++++++++++++++++---------------- > 1 file changed, 24 insertions(+), 16 deletions(-) > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |