x86: Use the IRQ device when setting up the mptable
Instead of searching for the device tree node, use the IRQ device which has
a record of it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/irq.c b/arch/x86/cpu/irq.c
index e2feba7..d6151e0 100644
--- a/arch/x86/cpu/irq.c
+++ b/arch/x86/cpu/irq.c
@@ -88,7 +88,7 @@
return;
}
-static int create_pirq_routing_table(void)
+static int create_pirq_routing_table(struct udevice *dev)
{
const void *blob = gd->fdt_blob;
struct fdt_pci_addr addr;
@@ -102,16 +102,8 @@
int i;
int ret;
- node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_IRQ_ROUTER);
- if (node < 0) {
- debug("%s: Cannot find irq router node\n", __func__);
- return -EINVAL;
- }
-
- /* TODO(sjg@chromium.org): Drop this when PIRQ is a driver */
- parent = fdt_parent_offset(blob, node);
- if (parent < 0)
- return -EINVAL;
+ node = dev->of_offset;
+ parent = dev->parent->of_offset;
ret = fdtdec_get_pci_addr(blob, parent, FDT_PCI_SPACE_CONFIG,
"reg", &addr);
if (ret)
@@ -237,7 +229,7 @@
cpu_irq_init();
- ret = create_pirq_routing_table();
+ ret = create_pirq_routing_table(dev);
if (ret) {
debug("Failed to create pirq routing table\n");
return ret;