On Sat, Jan 03, 2026 at 10:22:12PM +0100, Francesco Valla wrote: >One of the two on-board PTN5110 TCPC USB Power Delivery controller on >the i.MX93 FRDM board shares its interrupt line whith the PCAL6524 power >controller (GPIO3-27). Since the PTN5110 starts after POR with the >interrupts enabled, this can lead to an interrupt storm on OS startup if >only the driver for the PCAL6524 is loaded, because none is servicing >(and clearing) the interrupt requests from the PTN5110. > >Maks and clear all interrupts as part uring board initialization; they >can be re-enabled later by a proper OS driver if required. > >Co-developed-by: Joseph Guo <[email protected]> >Signed-off-by: Francesco Valla <[email protected]>
Reviewed-by: Peng Fan <[email protected]>

