On Mon, Jul 18, 2022 at 03:39:43PM +0200, Jan Palus wrote: > u-boot 2022.07 successfully finds and loads kernel (5.18.3) on my > Pinebook Pro however boot process fails when loading rk808 module: > > rk3x-i2c ff3c0000.i2c: timeout, ipd: 0x00, state: 1 > rk808 0-001b: failed to read the chip id at 0x17 > rk808: probe of 0-001b failed with error -110 > > git bisect indicates first commit to cause regression: > > commit ad607512f5757f4485968efd5bcf2c0245a8a235 (refs/bisect/bad) > Author: Chris Morgan <macromor...@hotmail.com> > Date: Fri May 27 20:18:19 2022 > > power: pmic: rk8xx: Support sysreset shutdown method > > Add support for sysreset shutdown for this PMIC. The values were pulled > from the various datasheets, but for now it has only been tested on > the rk817 (for an Odroid Go Advance). > > Signed-off-by: Chris Morgan <macromor...@hotmail.com> > Reviewed-by: Jaehoon Chung <jh80.ch...@samsung.com> > Reviewed-by: Kever Yang <kever.y...@rock-chips.com> > > Reverting this commit fixes the issue and upon rk808 module load > following is logged: > > rk808 0-001b: chip id: 0x0
This is strange, as I've not encountered this bug. However, as this is the second report of a problem with the Pinebook Pro and this patch I wonder if it's prudent to roll this back (until such time that the functionality can be made board specific rather than generic to the PMIC). Thank you.