gpio: Remove unused 'irqchip' argument to gpiochip_set_cascaded_irqchip()

This argument hasn't ever been used since it was introduced in commit
1425052097b5 ("gpio: add IRQ chip helpers in gpiolib"). Let's drop it to
reduce reading confusion.

Cc: Evan Green <>
Cc: Thierry Reding <>
Cc: Grygorii Strashko <>
Signed-off-by: Stephen Boyd <>
Signed-off-by: Linus Walleij <>
1 file changed