tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/linusw/linux-gpio.git devel-gpio-driver-isolation head: 95af28c7af12975e4c4ccb3d33974fadc8b4656a commit: 6a690b9e1ee32cfe12a86891f5db2dabcca4e5cf [30/31] gpio: Drop driver header from legacy header include config: mips-allmodconfig (attached as .config) compiler: mips-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 6a690b9e1ee32cfe12a86891f5db2dabcca4e5cf # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=mips If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers//mfd/sm501.c:40:19: error: field 'gpio' has incomplete type struct gpio_chip gpio; ^~~~ drivers//mfd/sm501.c: In function 'sm501_gpio_get': drivers//mfd/sm501.c:889:35: error: implicit declaration of function 'gpiochip_get_data'; did you mean 'gpio_get_value'? [-Werror=implicit-function-declaration] struct sm501_gpio_chip *smgpio = gpiochip_get_data(chip); ^~~~~~~~~~~~~~~~~ gpio_get_value drivers//mfd/sm501.c:889:35: warning: initialization makes pointer from integer without a cast [-Wint-conversion] drivers//mfd/sm501.c: In function 'sm501_gpio_set': drivers//mfd/sm501.c:920:35: warning: initialization makes pointer from integer without a cast [-Wint-conversion] struct sm501_gpio_chip *smchip = gpiochip_get_data(chip); ^~~~~~~~~~~~~~~~~ drivers//mfd/sm501.c: In function 'sm501_gpio_input': drivers//mfd/sm501.c:945:35: warning: initialization makes pointer from integer without a cast [-Wint-conversion] struct sm501_gpio_chip *smchip = gpiochip_get_data(chip); ^~~~~~~~~~~~~~~~~ drivers//mfd/sm501.c: In function 'sm501_gpio_output': drivers//mfd/sm501.c:971:35: warning: initialization makes pointer from integer without a cast [-Wint-conversion] struct sm501_gpio_chip *smchip = gpiochip_get_data(chip); ^~~~~~~~~~~~~~~~~ drivers//mfd/sm501.c: At top level: drivers//mfd/sm501.c:1003:21: error: variable 'gpio_chip_template' has initializer but incomplete type static const struct gpio_chip gpio_chip_template = { ^~~~~~~~~ drivers//mfd/sm501.c:1004:3: error: 'const struct gpio_chip' has no member named 'ngpio' .ngpio = 32, ^~~~~ drivers//mfd/sm501.c:1004:13: warning: excess elements in struct initializer .ngpio = 32, ^~ drivers//mfd/sm501.c:1004:13: note: (near initialization for 'gpio_chip_template') drivers//mfd/sm501.c:1005:3: error: 'const struct gpio_chip' has no member named 'direction_input' .direction_input = sm501_gpio_input, ^~~~~~~~~~~~~~~ drivers//mfd/sm501.c:1005:21: warning: excess elements in struct initializer .direction_input = sm501_gpio_input, ^~~~~~~~~~~~~~~~ drivers//mfd/sm501.c:1005:21: note: (near initialization for 'gpio_chip_template') drivers//mfd/sm501.c:1006:3: error: 'const struct gpio_chip' has no member named 'direction_output' .direction_output = sm501_gpio_output, ^~~~~~~~~~~~~~~~ drivers//mfd/sm501.c:1006:22: warning: excess elements in struct initializer .direction_output = sm501_gpio_output, ^~~~~~~~~~~~~~~~~ drivers//mfd/sm501.c:1006:22: note: (near initialization for 'gpio_chip_template') drivers//mfd/sm501.c:1007:3: error: 'const struct gpio_chip' has no member named 'set' .set = sm501_gpio_set, ^~~ drivers//mfd/sm501.c:1007:11: warning: excess elements in struct initializer .set = sm501_gpio_set, ^~~~~~~~~~~~~~ drivers//mfd/sm501.c:1007:11: note: (near initialization for 'gpio_chip_template') drivers//mfd/sm501.c:1008:3: error: 'const struct gpio_chip' has no member named 'get' .get = sm501_gpio_get, ^~~ drivers//mfd/sm501.c:1008:11: warning: excess elements in struct initializer .get = sm501_gpio_get, ^~~~~~~~~~~~~~ drivers//mfd/sm501.c:1008:11: note: (near initialization for 'gpio_chip_template') drivers//mfd/sm501.c: In function 'sm501_gpio_register_chip': drivers//mfd/sm501.c:1026:8: error: dereferencing pointer to incomplete type 'struct gpio_chip' gchip->label = "SM501-HIGH"; ^~ drivers//mfd/sm501.c:1036:9: error: implicit declaration of function 'gpiochip_add_data'; did you mean 'tty_audit_add_data'? [-Werror=implicit-function-declaration] return gpiochip_add_data(gchip, chip); ^~~~~~~~~~~~~~~~~ tty_audit_add_data drivers//mfd/sm501.c: In function 'sm501_register_gpio': >> drivers//mfd/sm501.c:1082:2: error: implicit declaration of function 'gpiochip_remove'; did you mean 'klist_remove'? [-Werror=implicit-function-declaration] gpiochip_remove(&gpio->low.gpio); ^~~~~~~~~~~~~~~ klist_remove drivers//mfd/sm501.c: At top level: drivers//mfd/sm501.c:1003:31: error: storage size of 'gpio_chip_template' isn't known static const struct gpio_chip gpio_chip_template = { ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +1082 drivers//mfd/sm501.c f61be273d3699d Ben Dooks 2008-07-25 1010 f791be492f76de Bill Pemberton 2012-11-19 1011 static int sm501_gpio_register_chip(struct sm501_devdata *sm, f61be273d3699d Ben Dooks 2008-07-25 1012 struct sm501_gpio *gpio, f61be273d3699d Ben Dooks 2008-07-25 1013 struct sm501_gpio_chip *chip) f61be273d3699d Ben Dooks 2008-07-25 1014 { f61be273d3699d Ben Dooks 2008-07-25 1015 struct sm501_platdata *pdata = sm->platdata; f61be273d3699d Ben Dooks 2008-07-25 1016 struct gpio_chip *gchip = &chip->gpio; 60e540d617b40e Arnaud Patard 2008-07-25 1017 int base = pdata->gpio_base; f61be273d3699d Ben Dooks 2008-07-25 1018 28130bea3bcfef Ben Dooks 2008-07-25 1019 chip->gpio = gpio_chip_template; f61be273d3699d Ben Dooks 2008-07-25 1020 f61be273d3699d Ben Dooks 2008-07-25 1021 if (chip == &gpio->high) { 60e540d617b40e Arnaud Patard 2008-07-25 1022 if (base > 0) f61be273d3699d Ben Dooks 2008-07-25 1023 base += 32; f61be273d3699d Ben Dooks 2008-07-25 1024 chip->regbase = gpio->regs + SM501_GPIO_DATA_HIGH; 98325f8f8e9508 Ben Dooks 2009-01-10 1025 chip->control = sm->regs + SM501_GPIO63_32_CONTROL; f61be273d3699d Ben Dooks 2008-07-25 @1026 gchip->label = "SM501-HIGH"; f61be273d3699d Ben Dooks 2008-07-25 1027 } else { f61be273d3699d Ben Dooks 2008-07-25 1028 chip->regbase = gpio->regs + SM501_GPIO_DATA_LOW; 98325f8f8e9508 Ben Dooks 2009-01-10 1029 chip->control = sm->regs + SM501_GPIO31_0_CONTROL; f61be273d3699d Ben Dooks 2008-07-25 1030 gchip->label = "SM501-LOW"; f61be273d3699d Ben Dooks 2008-07-25 1031 } f61be273d3699d Ben Dooks 2008-07-25 1032 f61be273d3699d Ben Dooks 2008-07-25 1033 gchip->base = base; f61be273d3699d Ben Dooks 2008-07-25 1034 chip->ourgpio = gpio; f61be273d3699d Ben Dooks 2008-07-25 1035 3a504105f0e4cf Linus Walleij 2016-03-30 1036 return gpiochip_add_data(gchip, chip); f61be273d3699d Ben Dooks 2008-07-25 1037 } f61be273d3699d Ben Dooks 2008-07-25 1038 f791be492f76de Bill Pemberton 2012-11-19 1039 static int sm501_register_gpio(struct sm501_devdata *sm) f61be273d3699d Ben Dooks 2008-07-25 1040 { f61be273d3699d Ben Dooks 2008-07-25 1041 struct sm501_gpio *gpio = &sm->gpio; f61be273d3699d Ben Dooks 2008-07-25 1042 resource_size_t iobase = sm->io_res->start + SM501_GPIO; f61be273d3699d Ben Dooks 2008-07-25 1043 int ret; f61be273d3699d Ben Dooks 2008-07-25 1044 f61be273d3699d Ben Dooks 2008-07-25 1045 dev_dbg(sm->dev, "registering gpio block %08llx\n", f61be273d3699d Ben Dooks 2008-07-25 1046 (unsigned long long)iobase); f61be273d3699d Ben Dooks 2008-07-25 1047 f61be273d3699d Ben Dooks 2008-07-25 1048 spin_lock_init(&gpio->lock); f61be273d3699d Ben Dooks 2008-07-25 1049 f61be273d3699d Ben Dooks 2008-07-25 1050 gpio->regs_res = request_mem_region(iobase, 0x20, "sm501-gpio"); 4202151f5d4ad8 Markus Elfring 2018-03-08 1051 if (!gpio->regs_res) { f61be273d3699d Ben Dooks 2008-07-25 1052 dev_err(sm->dev, "gpio: failed to request region\n"); f61be273d3699d Ben Dooks 2008-07-25 1053 return -ENXIO; f61be273d3699d Ben Dooks 2008-07-25 1054 } f61be273d3699d Ben Dooks 2008-07-25 1055 f61be273d3699d Ben Dooks 2008-07-25 1056 gpio->regs = ioremap(iobase, 0x20); 4202151f5d4ad8 Markus Elfring 2018-03-08 1057 if (!gpio->regs) { f61be273d3699d Ben Dooks 2008-07-25 1058 dev_err(sm->dev, "gpio: failed to remap registers\n"); f61be273d3699d Ben Dooks 2008-07-25 1059 ret = -ENXIO; 28130bea3bcfef Ben Dooks 2008-07-25 1060 goto err_claimed; f61be273d3699d Ben Dooks 2008-07-25 1061 } f61be273d3699d Ben Dooks 2008-07-25 1062 f61be273d3699d Ben Dooks 2008-07-25 1063 /* Register both our chips. */ f61be273d3699d Ben Dooks 2008-07-25 1064 f61be273d3699d Ben Dooks 2008-07-25 1065 ret = sm501_gpio_register_chip(sm, gpio, &gpio->low); f61be273d3699d Ben Dooks 2008-07-25 1066 if (ret) { f61be273d3699d Ben Dooks 2008-07-25 1067 dev_err(sm->dev, "failed to add low chip\n"); f61be273d3699d Ben Dooks 2008-07-25 1068 goto err_mapped; f61be273d3699d Ben Dooks 2008-07-25 1069 } f61be273d3699d Ben Dooks 2008-07-25 1070 f61be273d3699d Ben Dooks 2008-07-25 1071 ret = sm501_gpio_register_chip(sm, gpio, &gpio->high); f61be273d3699d Ben Dooks 2008-07-25 1072 if (ret) { f61be273d3699d Ben Dooks 2008-07-25 1073 dev_err(sm->dev, "failed to add high chip\n"); f61be273d3699d Ben Dooks 2008-07-25 1074 goto err_low_chip; f61be273d3699d Ben Dooks 2008-07-25 1075 } f61be273d3699d Ben Dooks 2008-07-25 1076 f61be273d3699d Ben Dooks 2008-07-25 1077 gpio->registered = 1; f61be273d3699d Ben Dooks 2008-07-25 1078 f61be273d3699d Ben Dooks 2008-07-25 1079 return 0; f61be273d3699d Ben Dooks 2008-07-25 1080 f61be273d3699d Ben Dooks 2008-07-25 1081 err_low_chip: 88d5e520aa9701 abdoulaye berthe 2014-07-12 @1082 gpiochip_remove(&gpio->low.gpio); f61be273d3699d Ben Dooks 2008-07-25 1083 f61be273d3699d Ben Dooks 2008-07-25 1084 err_mapped: 28130bea3bcfef Ben Dooks 2008-07-25 1085 iounmap(gpio->regs); 28130bea3bcfef Ben Dooks 2008-07-25 1086 28130bea3bcfef Ben Dooks 2008-07-25 1087 err_claimed: f61be273d3699d Ben Dooks 2008-07-25 1088 release_resource(gpio->regs_res); f61be273d3699d Ben Dooks 2008-07-25 1089 kfree(gpio->regs_res); f61be273d3699d Ben Dooks 2008-07-25 1090 f61be273d3699d Ben Dooks 2008-07-25 1091 return ret; f61be273d3699d Ben Dooks 2008-07-25 1092 } f61be273d3699d Ben Dooks 2008-07-25 1093 :::::: The code at line 1082 was first introduced by commit :::::: 88d5e520aa9701eb3e4f46165e02097cc03d363a driver:gpio remove all usage of gpio_remove retval in driver :::::: TO: abdoulaye berthe <berthe.ab@xxxxxxxxx> :::::: CC: Linus Walleij <linus.walleij@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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