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authorMichael Ellerman <michael@ellerman.id.au>2011-04-10 20:26:15 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-04-27 14:18:37 +1000
commit73706c3283d755d3725c6a48a18e677a15ced8be (patch)
treebab6c6fb96515cc92aef9f285934c22a5617d39f
parente70606eb9beb683ce3991936267deab64ab56d95 (diff)
downloadlinaro-lsk-73706c3283d755d3725c6a48a18e677a15ced8be.tar.gz
powerpc/irq: Dump chip data pointer in virq_mapping
This can be useful for differentiating interrupts on the same host but with different chip data. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
-rw-r--r--arch/powerpc/kernel/irq.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index ea09512a68c..4f5d6e751a6 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -1086,10 +1086,11 @@ static int virq_debug_show(struct seq_file *m, void *private)
struct irq_desc *desc;
const char *p;
static const char none[] = "none";
+ void *data;
int i;
- seq_printf(m, "%-5s %-7s %-15s %s\n", "virq", "hwirq",
- "chip name", "host name");
+ seq_printf(m, "%-5s %-7s %-15s %-18s %s\n", "virq", "hwirq",
+ "chip name", "chip data", "host name");
for (i = 1; i < nr_irqs; i++) {
desc = irq_to_desc(i);
@@ -1111,6 +1112,9 @@ static int virq_debug_show(struct seq_file *m, void *private)
p = none;
seq_printf(m, "%-15s ", p);
+ data = irq_desc_get_chip_data(desc);
+ seq_printf(m, "0x%16p ", data);
+
if (irq_map[i].host && irq_map[i].host->of_node)
p = irq_map[i].host->of_node->full_name;
else