The sunxi-nmi and sun4i irq chips are selected by ARCH_SUNXI on both arm and arm64 (recently added). However on arm64, we don't explicitly select GENERIC_IRQ_CHIP which is required by the sunxi-nmi irq chip driver and causes build breaks on 4.6-rc1 :
UPD include/generated/compile.h CC init/version.o LD init/built-in.o drivers/built-in.o: In function `sunxi_sc_nmi_set_type': drivers/irqchip/irq-sunxi-nmi.c:114: undefined reference to `irq_setup_alt_chip' drivers/built-in.o: In function `irq_domain_add_linear': include/linux/irqdomain.h:253: undefined reference to `irq_generic_chip_ops' include/linux/irqdomain.h:253: undefined reference to `irq_generic_chip_ops' drivers/built-in.o: In function `sunxi_sc_nmi_irq_init': drivers/irqchip/irq-sunxi-nmi.c:146: undefined reference to `irq_alloc_domain_generic_chips' drivers/irqchip/irq-sunxi-nmi.c:161: undefined reference to `irq_get_domain_generic_chip' drivers/irqchip/irq-sunxi-nmi.c:170: undefined reference to `irq_gc_mask_clr_bit' drivers/irqchip/irq-sunxi-nmi.c:171: undefined reference to `irq_gc_mask_set_bit' drivers/irqchip/irq-sunxi-nmi.c:172: undefined reference to `irq_gc_ack_set_bit' drivers/irqchip/irq-sunxi-nmi.c:170: undefined reference to `irq_gc_mask_clr_bit' This patch fixes the dependency by introducing a separate Kconfig symbol for sunxi irqchips which does the proper dependency selections. Build tested on arm and arm64. Fixes: commit ce3dd55b99b1 ("arm64: Introduce Allwinner SoC config option") Suggested-by: Olof Johansson <o...@lixom.net> Cc: Andre Przywara <andre.przyw...@arm.com> Cc: Russell King <li...@arm.linux.org.uk> Cc: Maxime Ripard <maxime.rip...@free-electrons.com> Cc: Chen-Yu Tsai <w...@csie.org> Cc: Catalin Marinas <catalin.mari...@arm.com> Cc: Will Deacon <will.dea...@arm.com> Cc: Thomas Gleixner <t...@linutronix.de> Cc: Jason Cooper <ja...@lakedaemon.net> Cc: Marc Zyngier <marc.zyng...@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poul...@arm.com> --- arch/arm/mach-sunxi/Kconfig | 2 +- arch/arm64/Kconfig.platforms | 1 + drivers/irqchip/Kconfig | 6 ++++++ drivers/irqchip/Makefile | 4 ++-- 4 files changed, 10 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index c124d65..7a4fc8c 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -4,9 +4,9 @@ menuconfig ARCH_SUNXI select ARCH_REQUIRE_GPIOLIB select ARCH_HAS_RESET_CONTROLLER select CLKSRC_MMIO - select GENERIC_IRQ_CHIP select PINCTRL select SUN4I_TIMER + select SUNXI_IRQCHIP select RESET_CONTROLLER if ARCH_SUNXI diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms index efa77c1..c77ad2d 100644 --- a/arch/arm64/Kconfig.platforms +++ b/arch/arm64/Kconfig.platforms @@ -2,6 +2,7 @@ menu "Platform selection" config ARCH_SUNXI bool "Allwinner sunxi 64-bit SoC Family" + select SUNXI_IRQCHIP help This enables support for Allwinner sunxi based SoCs like the A64. diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 3e12479..772c8ba 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -165,6 +165,12 @@ config ST_IRQCHIP help Enables SysCfg Controlled IRQs on STi based platforms. +config SUNXI_IRQCHIP + bool + select GENERIC_IRQ_CHIP + help + Support for Allwinner A1x/A20/A31 SoCs NMI IRQ chip driver + config TANGO_IRQ bool select IRQ_DOMAIN diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index b03cfcb..c9626f4 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -19,8 +19,8 @@ obj-$(CONFIG_CLPS711X_IRQCHIP) += irq-clps711x.o obj-$(CONFIG_OR1K_PIC) += irq-or1k-pic.o obj-$(CONFIG_ORION_IRQCHIP) += irq-orion.o obj-$(CONFIG_OMAP_IRQCHIP) += irq-omap-intc.o -obj-$(CONFIG_ARCH_SUNXI) += irq-sun4i.o -obj-$(CONFIG_ARCH_SUNXI) += irq-sunxi-nmi.o +obj-$(CONFIG_SUNXI_IRQCHIP) += irq-sun4i.o +obj-$(CONFIG_SUNXI_IRQCHIP) += irq-sunxi-nmi.o obj-$(CONFIG_ARCH_SPEAR3XX) += spear-shirq.o obj-$(CONFIG_ARM_GIC) += irq-gic.o irq-gic-common.o obj-$(CONFIG_REALVIEW_DT) += irq-gic-realview.o -- 1.7.9.5