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| author |   Rikard Falkeborn <rikard.falkeborn@gmail.com> | 2021-11-30 22:40:43 +0100 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2021-12-01 00:15:07 +0100 |
| commit | 4946f15e8c334840bf277a0bf924371eae120fcd (patch) | |
| tree | fe9b16a3b44cbb9ce00b5ef4b1f266fd39f779a2 | |
| parent | Linux 5.16-rc3 (diff) | |
| download | linux-dev-4946f15e8c334840bf277a0bf924371eae120fcd.tar.xz linux-dev-4946f15e8c334840bf277a0bf924371eae120fcd.zip | |
genirq/generic_chip: Constify irq_generic_chip_ops
The only usage of irq_generic_chip_ops is to pass its address to
irq_domain_add_linear() which takes a pointer to const struct
irq_domain_ops. Make it const to allow the compiler to put it in
read-only memory.
[ tglx: Fixed subject prefix ]
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20211130214043.1257585-1-rikard.falkeborn@gmail.com
| -rw-r--r-- | include/linux/irqdomain.h | 2 | ||||
| -rw-r--r-- | kernel/irq/generic-chip.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 553da4899f55..d476405802e9 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -131,7 +131,7 @@ struct irq_domain_ops { #endif }; -extern struct irq_domain_ops irq_generic_chip_ops; +extern const struct irq_domain_ops irq_generic_chip_ops; struct irq_domain_chip_generic; diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c index 6f29bf4c8515..f0862eb6b506 100644 --- a/kernel/irq/generic-chip.c +++ b/kernel/irq/generic-chip.c @@ -451,7 +451,7 @@ static void irq_unmap_generic_chip(struct irq_domain *d, unsigned int virq) } -struct irq_domain_ops irq_generic_chip_ops = { +const struct irq_domain_ops irq_generic_chip_ops = { .map = irq_map_generic_chip, .unmap = irq_unmap_generic_chip, .xlate = irq_domain_xlate_onetwocell, |