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powerpc/irq: Dump chip data pointer in virq_mapping

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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>
This commit is contained in:
Michael Ellerman 2011-04-10 20:26:15 +00:00 committed by Benjamin Herrenschmidt
parent e70606eb9b
commit 73706c3283
1 changed files with 6 additions and 2 deletions
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8
arch/powerpc/kernel/irq.c
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@ -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