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Commit 73706c32 authored by Michael Ellerman's avatar Michael Ellerman Committed by Benjamin Herrenschmidt
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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: default avatarMichael Ellerman <michael@ellerman.id.au>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent e70606eb

arch/powerpc/kernel/irq.c

+6 −2
Original line number Diff line number Diff line
@@ -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