psi: Switch to ESB mode later
There's an errata, if we switch to ESB mode before setting up
the various ESB mode related registers, a pending interrupts
can go wrong.
@@ -826,10 +826,6 @@ static void psi_init_p9_interrupts(struct psi *psi)
bool is_p9ndd1;
u64 val;
- /* Reset irq handling and switch to ESB mode */
- out_be64(psi->regs + PSIHB_INTERRUPT_CONTROL, PSIHB_IRQ_RESET);
- out_be64(psi->regs + PSIHB_INTERRUPT_CONTROL, 0);
-
/* Grab chip */
chip = get_chip(psi->chip_id);
if (!chip)
@@ -874,6 +870,10 @@ static void psi_init_p9_interrupts(struct psi *psi)
12, psi->esb_mmio, XIVE_SRC_LSI,
psi, &psi_p9_irq_ops);
}
+
+ /* Reset irq handling and switch to ESB mode */
+ out_be64(psi->regs + PSIHB_INTERRUPT_CONTROL, PSIHB_IRQ_RESET);
+ out_be64(psi->regs + PSIHB_INTERRUPT_CONTROL, 0);
}
static void psi_init_interrupts(struct psi *psi)
