[SPARC64]: NUMA device infrastructure.

Record and propagate NUMA information for devices.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 1 deletions

diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index 0fd9db95b896..9e58e8cba1c3 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -6,6 +6,7 @@
 #include <linux/mod_devicetable.h>
 #include <linux/slab.h>
 #include <linux/errno.h>
+#include <linux/irq.h>
 #include <linux/of_device.h>
 #include <linux/of_platform.h>
 
@@ -660,6 +661,7 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
         struct device_node *dp = op->node;
         struct device_node *pp, *ip;
         unsigned int orig_irq = irq;
+        int nid;
 
         if (irq == 0xffffffff)
                 return irq;
@@ -672,7 +674,7 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
                         printk("%s: direct translate %x --> %x\n",
                                dp->full_name, orig_irq, irq);
 
-                return irq;
+                goto out;
         }
 
         /* Something more complicated.  Walk up to the root, applying
@@ -744,6 +746,14 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
                 printk("%s: Apply IRQ trans [%s] %x --> %x\n",
                        op->node->full_name, ip->full_name, orig_irq, irq);
 
+out:
+        nid = of_node_to_nid(dp);
+        if (nid != -1) {
+                cpumask_t numa_mask = node_to_cpumask(nid);
+
+                irq_set_affinity(irq, numa_mask);
+        }
+
         return irq;
 }