Hi, 0) A rather spartan build, on x86_64, which did include drivers/pinctrl/mediatek/pinctrl-mtk-common.o failed like this: drivers/pinctrl/mediatek/pinctrl-mtk-common.c: In function ‘mtk_gpio_to_irq’: drivers/pinctrl/mediatek/pinctrl-mtk-common.c:838:8: error: implicit declaration of function ‘irq_find_mapping’ [-Werror=implicit-function-declaration] irq = irq_find_mapping(pctl->domain, pin->eint.eintnum); ^~~~~~~~~~~~~~~~ drivers/pinctrl/mediatek/pinctrl-mtk-common.c: In function ‘mtk_pctrl_init’: drivers/pinctrl/mediatek/pinctrl-mtk-common.c:1474:17: error: implicit declaration of function ‘irq_domain_add_linear’ [-Werror=implicit-function-declaration] pctl->domain = irq_domain_add_linear(np, ^~~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/mediatek/pinctrl-mtk-common.c:1475:27: error: ‘irq_domain_simple_ops’ undeclared (first use in this function) pctl->devdata->ap_num, &irq_domain_simple_ops, NULL); ^~~~~~~~~~~~~~~~~~~~~ drivers/pinctrl/mediatek/pinctrl-mtk-common.c:1475:27: note: each undeclared identifier is reported only once for each function it appears in drivers/pinctrl/mediatek/pinctrl-mtk-common.c:1484:14: error: implicit declaration of function ‘irq_create_mapping’ [-Werror=implicit-function-declaration] int virq = irq_create_mapping(pctl->domain, i); ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors make[3]: *** [drivers/pinctrl/mediatek/pinctrl-mtk-common.o] Error 1 make[2]: *** [drivers/pinctrl/mediatek] Error 2 make[1]: *** [drivers/pinctrl] Error 2 make: *** [drivers] Error 2 1) That build had CONFIG_COMPILE_TEST set (obviously) but CONFIG_IRQ_DOMAIN not set. 2) This quick hack fixes that for me: diff --git a/drivers/pinctrl/mediatek/Kconfig b/drivers/pinctrl/mediatek/Kconfig index 419ea4d5964d..066087156dcc 100644 --- a/drivers/pinctrl/mediatek/Kconfig +++ b/drivers/pinctrl/mediatek/Kconfig @@ -7,6 +7,7 @@ config PINCTRL_MTK select GENERIC_PINCONF select GPIOLIB select OF_GPIO + select IRQ_DOMAIN # For ARMv7 SoCs config PINCTRL_MT2701 3) Would you like me to submit a proper (but lightly tested) patch or do you prefer to fix this yourself? Thanks, Paul Bolle -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html