Hi Brian, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on pinctrl/devel] [also build test WARNING on v5.0-rc1 next-20190103] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Brian-Masney/qcom-spmi-add-support-for-hierarchical-IRQ-chip/20190107-110503 base: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel config: arm64-allmodconfig (attached as .config) compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=arm64 All warnings (new ones prefixed by >>): drivers/pinctrl//qcom/pinctrl-spmi-gpio.c: In function 'pmic_gpio_probe': >> drivers/pinctrl//qcom/pinctrl-spmi-gpio.c:974:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] npins = (int) of_id->data; ^ vim +974 drivers/pinctrl//qcom/pinctrl-spmi-gpio.c 952 953 static int pmic_gpio_probe(struct platform_device *pdev) 954 { 955 const struct of_device_id *of_id; 956 struct device *dev = &pdev->dev; 957 struct pinctrl_pin_desc *pindesc; 958 struct pinctrl_desc *pctrldesc; 959 struct pmic_gpio_pad *pad, *pads; 960 struct pmic_gpio_state *state; 961 int ret, npins, i; 962 u32 reg; 963 964 ret = of_property_read_u32(dev->of_node, "reg", ®); 965 if (ret < 0) { 966 dev_err(dev, "missing base address"); 967 return ret; 968 } 969 970 of_id = of_match_device(pmic_gpio_of_match, &pdev->dev); 971 if (!of_id) 972 return -EINVAL; 973 > 974 npins = (int) of_id->data; 975 976 state = devm_kzalloc(dev, sizeof(*state), GFP_KERNEL); 977 if (!state) 978 return -ENOMEM; 979 980 platform_set_drvdata(pdev, state); 981 982 state->dev = &pdev->dev; 983 state->map = dev_get_regmap(dev->parent, NULL); 984 985 pindesc = devm_kcalloc(dev, npins, sizeof(*pindesc), GFP_KERNEL); 986 if (!pindesc) 987 return -ENOMEM; 988 989 pads = devm_kcalloc(dev, npins, sizeof(*pads), GFP_KERNEL); 990 if (!pads) 991 return -ENOMEM; 992 993 pctrldesc = devm_kzalloc(dev, sizeof(*pctrldesc), GFP_KERNEL); 994 if (!pctrldesc) 995 return -ENOMEM; 996 997 pctrldesc->pctlops = &pmic_gpio_pinctrl_ops; 998 pctrldesc->pmxops = &pmic_gpio_pinmux_ops; 999 pctrldesc->confops = &pmic_gpio_pinconf_ops; 1000 pctrldesc->owner = THIS_MODULE; 1001 pctrldesc->name = dev_name(dev); 1002 pctrldesc->pins = pindesc; 1003 pctrldesc->npins = npins; 1004 pctrldesc->num_custom_params = ARRAY_SIZE(pmic_gpio_bindings); 1005 pctrldesc->custom_params = pmic_gpio_bindings; 1006 #ifdef CONFIG_DEBUG_FS 1007 pctrldesc->custom_conf_items = pmic_conf_items; 1008 #endif 1009 1010 for (i = 0; i < npins; i++, pindesc++) { 1011 pad = &pads[i]; 1012 pindesc->drv_data = pad; 1013 pindesc->number = i; 1014 pindesc->name = pmic_gpio_groups[i]; 1015 1016 pad->irq = platform_get_irq(pdev, i); 1017 if (pad->irq < 0) 1018 return pad->irq; 1019 1020 pad->base = reg + i * PMIC_GPIO_ADDRESS_RANGE; 1021 1022 ret = pmic_gpio_populate(state, pad); 1023 if (ret < 0) 1024 return ret; 1025 } 1026 1027 state->chip = pmic_gpio_gpio_template; 1028 state->chip.parent = dev; 1029 state->chip.base = -1; 1030 state->chip.ngpio = npins; 1031 state->chip.label = dev_name(dev); 1032 state->chip.of_gpio_n_cells = 2; 1033 state->chip.can_sleep = false; 1034 1035 state->ctrl = devm_pinctrl_register(dev, pctrldesc, state); 1036 if (IS_ERR(state->ctrl)) 1037 return PTR_ERR(state->ctrl); 1038 1039 ret = gpiochip_add_data(&state->chip, state); 1040 if (ret) { 1041 dev_err(state->dev, "can't add gpio chip\n"); 1042 return ret; 1043 } 1044 1045 /* 1046 * For DeviceTree-supported systems, the gpio core checks the 1047 * pinctrl's device node for the "gpio-ranges" property. 1048 * If it is present, it takes care of adding the pin ranges 1049 * for the driver. In this case the driver can skip ahead. 1050 * 1051 * In order to remain compatible with older, existing DeviceTree 1052 * files which don't set the "gpio-ranges" property or systems that 1053 * utilize ACPI the driver has to call gpiochip_add_pin_range(). 1054 */ 1055 if (!of_property_read_bool(dev->of_node, "gpio-ranges")) { 1056 ret = gpiochip_add_pin_range(&state->chip, dev_name(dev), 0, 0, 1057 npins); 1058 if (ret) { 1059 dev_err(dev, "failed to add pin range\n"); 1060 goto err_range; 1061 } 1062 } 1063 1064 return 0; 1065 1066 err_range: 1067 gpiochip_remove(&state->chip); 1068 return ret; 1069 } 1070 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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