Messages in this thread Patch in this message | | | Date | Tue, 30 Nov 2021 23:22:13 -0000 | From | "tip-bot2 for Rikard Falkeborn" <> | Subject | [tip: irq/core] genirq/generic_chip: Constify irq_generic_chip_ops |
| |
The following commit has been merged into the irq/core branch of tip:
Commit-ID: 4946f15e8c334840bf277a0bf924371eae120fcd Gitweb: https://git.kernel.org/tip/4946f15e8c334840bf277a0bf924371eae120fcd Author: Rikard Falkeborn <rikard.falkeborn@gmail.com> AuthorDate: Tue, 30 Nov 2021 22:40:43 +01:00 Committer: Thomas Gleixner <tglx@linutronix.de> CommitterDate: Wed, 01 Dec 2021 00:15:07 +01:00
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
--- include/linux/irqdomain.h | 2 +- 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 553da48..d476405 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 6f29bf4..f0862eb 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,
| |