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authorMarc Zyngier2022-02-10 09:27:21 +0000
committerMarc Zyngier2022-02-15 11:22:34 +0000
commit0a25cb5544f4f01d2e7c06164555fd9cd6eb64fd (patch)
tree6123883ed02d03f05f1b96a8c5d5000a631fe769 /kernel/irq
parent393e1280f765661cf39785e967676a4e57324126 (diff)
genirq/debugfs: Use irq_print_chip() when provided by irqchip
Since irqchips have the option to implement irq_print_chip, use this when available to output the irqchip name in debugfs. Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220215112154.1360040-1-maz@kernel.org
Diffstat (limited to 'kernel/irq')
-rw-r--r--kernel/irq/debugfs.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/irq/debugfs.c b/kernel/irq/debugfs.c
index e4cff358b437..2b43f5f5033d 100644
--- a/kernel/irq/debugfs.c
+++ b/kernel/irq/debugfs.c
@@ -69,8 +69,12 @@ irq_debug_show_chip(struct seq_file *m, struct irq_data *data, int ind)
seq_printf(m, "chip: None\n");
return;
}
- seq_printf(m, "%*schip: %s\n", ind, "", chip->name);
- seq_printf(m, "%*sflags: 0x%lx\n", ind + 1, "", chip->flags);
+ seq_printf(m, "%*schip: ", ind, "");
+ if (chip->irq_print_chip)
+ chip->irq_print_chip(data, m);
+ else
+ seq_printf(m, "%s", chip->name);
+ seq_printf(m, "\n%*sflags: 0x%lx\n", ind + 1, "", chip->flags);
irq_debug_show_bits(m, ind, chip->flags, irqchip_flags,
ARRAY_SIZE(irqchip_flags));
}