From 4946f15e8c334840bf277a0bf924371eae120fcd Mon Sep 17 00:00:00 2001 From: Rikard Falkeborn Date: Tue, 30 Nov 2021 22:40:43 +0100 Subject: [PATCH] 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 Signed-off-by: Thomas Gleixner 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 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, -- 2.11.0