gpio: xgene-sb: select IRQ_DOMAIN_HIERARCHY

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@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index f235eae04c16ed1096689329c0462df74e05a36d..461d6fc3688b61128f280a84c8ed3e1073488ab0 100644 (file)
--- 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.