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-rw-r--r--kernel/irq/chip.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index c9c0601..c35d74c 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -37,6 +37,12 @@ int irq_set_chip(unsigned int irq, struct irq_chip *chip)
irq_chip_set_defaults(chip);
desc->irq_data.chip = chip;
irq_put_desc_unlock(desc, flags);
+ /*
+ * For !CONFIG_SPARSE_IRQ make the irq show up in
+ * allocated_irqs. For the CONFIG_SPARSE_IRQ case, it is
+ * already marked, and this call is harmless.
+ */
+ irq_reserve_irq(irq);
return 0;
}
EXPORT_SYMBOL(irq_set_chip);
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