diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 143a9bdbaa53..bbcac3af2a7a 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -304,7 +304,6 @@ void acpi_gpiochip_request_interrupts(struct gpio_chip *chip)
 	if (ACPI_FAILURE(status))
 		return;
 
-	INIT_LIST_HEAD(&acpi_gpio->events);
 	acpi_walk_resources(handle, "_AEI",
 			    acpi_gpiochip_request_interrupt, acpi_gpio);
 }
@@ -603,6 +602,25 @@ acpi_gpio_adr_space_handler(u32 function, acpi_physical_address address,
 				break;
 			}
 		}
+
+		/*
+		 * The same GPIO can be shared between operation region and
+		 * event but only if the access here is ACPI_READ. In that
+		 * case we "borrow" the event GPIO instead.
+		 */
+		if (!found && agpio->sharable == ACPI_SHARED &&
+		     function == ACPI_READ) {
+			struct acpi_gpio_event *event;
+
+			list_for_each_entry(event, &achip->events, node) {
+				if (event->pin == pin) {
+					desc = event->desc;
+					found = true;
+					break;
+				}
+			}
+		}
+
 		if (!found) {
 			desc = gpiochip_request_own_desc(chip, pin,
 							 "ACPI:OpRegion");
@@ -719,6 +737,7 @@ void acpi_gpiochip_add(struct gpio_chip *chip)
 	}
 
 	acpi_gpio->chip = chip;
+	INIT_LIST_HEAD(&acpi_gpio->events);
 
 	status = acpi_attach_data(handle, acpi_gpio_chip_dh, acpi_gpio);
 	if (ACPI_FAILURE(status)) {