[PATCH v1] gpio: loongson: enable irqdomain hierarchy config

[Yinbo Zhu]

The loongson gpio driver need select IRQ_DOMAIN_HIERARCHY and add
such support.

Signed-off-by: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
---
 drivers/gpio/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 55b7c5bae4aa..0f014411703e 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -395,6 +395,7 @@ config GPIO_LOONGSON_64BIT
 	depends on LOONGARCH || COMPILE_TEST
 	select GPIO_GENERIC
 	select GPIOLIB_IRQCHIP
+	select IRQ_DOMAIN_HIERARCHY
 	help
 	  Say yes here to support the GPIO functionality of a number of
 	  Loongson series of chips. The Loongson GPIO controller supports
-- 
2.20.1