tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 0b58e108042b0ed28a71cd7edf5175999955b233 commit: dfa556e45ae9ecc199e598222debc8f1883a7cce [9442/10451] platform: cznic: turris-omnia-mcu: Add support for MCU connected GPIOs config: s390-randconfig-r054-20240703 (https://download.01.org/0day-ci/archive/20240703/202407031646.trNSwajF-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 326ba38a991250a8587a399a260b0f7af2c9166a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240703/202407031646.trNSwajF-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202407031646.trNSwajF-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/platform/cznic/turris-omnia-mcu-gpio.c:13: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:173: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:2253: include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from drivers/platform/cznic/turris-omnia-mcu-gpio.c:16: In file included from include/linux/gpio/driver.h:8: In file included from include/linux/irqchip/chained_irq.h:10: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' 102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) | ^ In file included from drivers/platform/cznic/turris-omnia-mcu-gpio.c:16: In file included from include/linux/gpio/driver.h:8: In file included from include/linux/irqchip/chained_irq.h:10: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) | ^ In file included from drivers/platform/cznic/turris-omnia-mcu-gpio.c:16: In file included from include/linux/gpio/driver.h:8: In file included from include/linux/irqchip/chained_irq.h:10: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 693 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 701 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 709 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 718 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 727 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 736 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> drivers/platform/cznic/turris-omnia-mcu-gpio.c:1027:10: error: no member named 'of_gpio_n_cells' in 'struct gpio_chip' 1027 | mcu->gc.of_gpio_n_cells = 3; | ~~~~~~~ ^ >> drivers/platform/cznic/turris-omnia-mcu-gpio.c:1028:10: error: no member named 'of_xlate' in 'struct gpio_chip' 1028 | mcu->gc.of_xlate = omnia_gpio_of_xlate; | ~~~~~~~ ^ 13 warnings and 2 errors generated. vim +1027 drivers/platform/cznic/turris-omnia-mcu-gpio.c 999 1000 int omnia_mcu_register_gpiochip(struct omnia_mcu *mcu) 1001 { 1002 bool new_api = mcu->features & OMNIA_FEAT_NEW_INT_API; 1003 struct device *dev = &mcu->client->dev; 1004 unsigned long irqflags; 1005 int err; 1006 1007 err = devm_mutex_init(dev, &mcu->lock); 1008 if (err) 1009 return err; 1010 1011 mcu->gc.request = omnia_gpio_request; 1012 mcu->gc.get_direction = omnia_gpio_get_direction; 1013 mcu->gc.direction_input = omnia_gpio_direction_input; 1014 mcu->gc.direction_output = omnia_gpio_direction_output; 1015 mcu->gc.get = omnia_gpio_get; 1016 mcu->gc.get_multiple = omnia_gpio_get_multiple; 1017 mcu->gc.set = omnia_gpio_set; 1018 mcu->gc.set_multiple = omnia_gpio_set_multiple; 1019 mcu->gc.init_valid_mask = omnia_gpio_init_valid_mask; 1020 mcu->gc.can_sleep = true; 1021 mcu->gc.names = omnia_mcu_gpio_templates; 1022 mcu->gc.base = -1; 1023 mcu->gc.ngpio = ARRAY_SIZE(omnia_gpios); 1024 mcu->gc.label = "Turris Omnia MCU GPIOs"; 1025 mcu->gc.parent = dev; 1026 mcu->gc.owner = THIS_MODULE; > 1027 mcu->gc.of_gpio_n_cells = 3; > 1028 mcu->gc.of_xlate = omnia_gpio_of_xlate; -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki