[PATCH 2/4] PCI: add driver for Cortina Gemini Host Bridge
From: ulli.kroll@googlemail.com (Hans Ulli Kroll)
Date: 2017-02-05 10:00:41
Also in:
linux-pci
Subsystem:
pci subsystem, the rest · Maintainers:
Bjorn Helgaas, Linus Torvalds
Hi Linus while debugging my boot issues on my NAS 4220, I saw this warning irq: type mismatch, failed to map hwirq-26 for /soc/interrupt-controller at 48000000! We need to use the use the use the PCI IRQ from gemini as root for the irq domain, not the next one in DT.
diff --git a/drivers/pci/host/pci-gemini.c b/drivers/pci/host/pci-gemini.c
index 7051dd992114..bb564a8e6379 100644
--- a/drivers/pci/host/pci-gemini.c
+++ b/drivers/pci/host/pci-gemini.c@@ -217,7 +217,6 @@ static const struct irq_domain_ops gemini_pci_irqdomain_ops = { static int gemini_pci_setup_irq(struct gemini_pci *p, int irq) { - struct device_node *intc = of_get_next_child(p->dev->of_node, NULL); int i; if (!intc) {
@@ -225,7 +224,7 @@ static int gemini_pci_setup_irq(struct gemini_pci *p, int irq) return -EINVAL; } - p->irqdomain = irq_domain_add_linear(intc, 4, + p->irqdomain = irq_domain_add_linear(p->dev->of_node, 4, &gemini_pci_irqdomain_ops, p); if (!p->irqdomain) {
--
2.11.0