AIC2 changes the IRQ fwspec to add a cell. Always use the second-to-last cell for the MSI handling, so it will work for both AIC1 and AIC2 devices. Signed-off-by: Hector Martin <marcan@xxxxxxxxx> --- drivers/pci/controller/pcie-apple.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/pcie-apple.c b/drivers/pci/controller/pcie-apple.c index 854d95163112..a2c3c207a04b 100644 --- a/drivers/pci/controller/pcie-apple.c +++ b/drivers/pci/controller/pcie-apple.c @@ -219,7 +219,7 @@ static int apple_msi_domain_alloc(struct irq_domain *domain, unsigned int virq, if (hwirq < 0) return -ENOSPC; - fwspec.param[1] += hwirq; + fwspec.param[fwspec.param_count - 2] += hwirq; ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, &fwspec); if (ret) -- 2.33.0
