linux-kernel - [PATCH] genirq: Add IRQ 0 to domain debug file

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Date:	Sat, 15 Nov 2014 14:27:20 +0300
From:	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Thomas Gleixner <tglx@...utronix.de>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] genirq: Add IRQ 0 to domain debug file

Currently irq_domain_mapping debugfs file dumps IRQ information starting
from IRQ 1. IRQ 0 is missing from that file. Add it to have the complete
picture of IRQ/domains mappings.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@...il.com>
---
 kernel/irq/irqdomain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 6534ff6..0e0c7a8 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -585,7 +585,7 @@ static int virq_debug_show(struct seq_file *m, void *private)
 		      "chip name", (int)(2 * sizeof(void *) + 2), "chip data",
 		      "active", "type", "domain");
 
-	for (i = 1; i < nr_irqs; i++) {
+	for (i = 0; i < nr_irqs; i++) {
 		desc = irq_to_desc(i);
 		if (!desc)
 			continue;
-- 
2.1.1

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