Re: [PATCH 2/7] ppc/pnv: Fix LPC POWER8 register sanity check

2024-08-26 Thread Cédric Le Goater
On 8/6/24 15:13, Nicholas Piggin wrote: POWER8 does not have the ISA IRQ -> SERIRQ routing system of later CPUs, instead all ISA IRQs are sent to the CPU via a single PSI interrupt. There is a sanity check in the POWER8 case to ensure the routing bits have not been set, because that would indicat

[PATCH 2/7] ppc/pnv: Fix LPC POWER8 register sanity check

2024-08-06 Thread Nicholas Piggin
POWER8 does not have the ISA IRQ -> SERIRQ routing system of later CPUs, instead all ISA IRQs are sent to the CPU via a single PSI interrupt. There is a sanity check in the POWER8 case to ensure the routing bits have not been set, because that would indicate a programming error. Those bits were in