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-rw-r--r--include/linux/gpio/driver.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 0ea328e71ec9..a4d5eb37744a 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -95,6 +95,13 @@ struct gpio_irq_chip {
unsigned int num_parents;
/**
+ * @parent_irq:
+ *
+ * For use by gpiochip_set_cascaded_irqchip()
+ */
+ unsigned int parent_irq;
+
+ /**
* @parents:
*
* A list of interrupt parents of a GPIO chip. This is owned by the