Commit 25e4fe92 authored by Dmitry Eremin-Solenikov's avatar Dmitry Eremin-Solenikov Committed by Linus Walleij

gpiolib: cleanup chained handler and data

Clean up chained handler and handler data if they were set by
Signed-off-by: default avatarDmitry Eremin-Solenikov <>
Signed-off-by: Linus Walleij's avatarLinus Walleij <>
parent 845c8770
......@@ -443,6 +443,8 @@ void gpiochip_set_chained_irqchip(struct gpio_chip *gpiochip,
irq_set_handler_data(parent_irq, gpiochip);
irq_set_chained_handler(parent_irq, parent_handler);
gpiochip->irq_parent = parent_irq;
/* Set the parent IRQ for all affected IRQs */
......@@ -551,6 +553,11 @@ static void gpiochip_irqchip_remove(struct gpio_chip *gpiochip)
if (gpiochip->irq_parent) {
irq_set_chained_handler(gpiochip->irq_parent, NULL);
irq_set_handler_data(gpiochip->irq_parent, NULL);
/* Remove all IRQ mappings and delete the domain */
if (gpiochip->irqdomain) {
for (offset = 0; offset < gpiochip->ngpio; offset++)
......@@ -121,6 +121,7 @@ struct gpio_chip {
unsigned int irq_base;
irq_flow_handler_t irq_handler;
unsigned int irq_default_type;
int irq_parent;
#if defined(CONFIG_OF_GPIO)
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment