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genirq/debugfs: Use irq_print_chip() when provided by irqchip

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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
This commit is contained in:
Marc Zyngier 2022-02-10 09:27:21 +00:00
parent 393e1280f7
commit 0a25cb5544
1 changed files with 6 additions and 2 deletions
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8
kernel/irq/debugfs.c
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@ -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));
}