Commit 4946f15e authored by Rikard Falkeborn's avatar Rikard Falkeborn Committed by Thomas Gleixner
Browse files

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: default avatarRikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20211130214043.1257585-1-rikard.falkeborn@gmail.com
parent d58071a8

include/linux/irqdomain.h

+1 −1
Original line number Diff line number Diff line
@@ -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;

kernel/irq/generic-chip.c

+1 −1
Original line number Diff line number Diff line
@@ -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,