Kernel warns about mutable irq_chips in ISA drivers: "not an immutable chip, please consider fixing!" Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the new helper functions, and call the appropriate gpiolib functions. William Breathitt Gray (4): gpio: 104-dio-48e: Make irq_chip immutable gpio: 104-idi-48: Make irq_chip immutable gpio: 104-idio-16: Make irq_chip immutable gpio: ws16c48: Make irq_chip immutable drivers/gpio/gpio-104-dio-48e.c | 10 +++++++--- drivers/gpio/gpio-104-idi-48.c | 10 +++++++--- drivers/gpio/gpio-104-idio-16.c | 18 +++++++++++------- drivers/gpio/gpio-ws16c48.c | 10 +++++++--- 4 files changed, 32 insertions(+), 16 deletions(-) base-commit: 6ae8e1d0d5e5de922315830aea975c63e8c70b2f -- 2.37.2