[PATCH 2/2] gpio: xgene-sb: select IRQ_DOMAIN_HIERARCHY

[Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>]

This driver calls irq_domain_hierarchy() and irq_chip_*_parent().
They are available only when CONFIG_IRQ_DOMAIN_HIERARCHY is enabled.

Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---

 drivers/gpio/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index f235eae04c16..461d6fc3688b 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -504,6 +504,7 @@ config GPIO_XGENE_SB
 	depends on ARCH_XGENE && OF_GPIO
 	select GPIO_GENERIC
 	select GPIOLIB_IRQCHIP
+	select IRQ_DOMAIN_HIERARCHY
 	help
 	  This driver supports the GPIO block within the APM X-Gene
 	  Standby Domain. Say yes here to enable the GPIO functionality.
-- 
2.7.4

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