Hi Heiko, kernel test robot noticed the following build errors: [auto build test ERROR on next-20240905] [also build test ERROR on v6.11-rc6] [cannot apply to lee-mfd/for-mfd-next groeck-staging/hwmon-next lee-leds/for-leds-next linus/master lee-mfd/for-mfd-fixes v6.11-rc6 v6.11-rc5 v6.11-rc4] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Heiko-Stuebner/mfd-core-make-platform_data-pointer-const-in-struct-mfd_cell/20240906-025553 base: next-20240905 patch link: https://lore.kernel.org/r/20240905185232.2899464-2-heiko%40sntech.de patch subject: [PATCH v7 1/8] mfd: core: make platform_data pointer const in struct mfd_cell config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240908/202409081514.inB0qj3o-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 05f5a91d00b02f4369f46d076411c700755ae041) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240908/202409081514.inB0qj3o-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/202409081514.inB0qj3o-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/hid/hid-sensor-hub.c:8: In file included from include/linux/hid.h:29: In file included from include/linux/hid_bpf.h:6: In file included from include/linux/bpf.h:21: In file included from include/linux/kallsyms.h:13: In file included from include/linux/mm.h:2206: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from drivers/hid/hid-sensor-hub.c:8: In file included from include/linux/hid.h:29: In file included from include/linux/hid_bpf.h:6: In file included from include/linux/bpf.h:31: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:26: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: 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/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from drivers/hid/hid-sensor-hub.c:8: In file included from include/linux/hid.h:29: In file included from include/linux/hid_bpf.h:6: In file included from include/linux/bpf.h:31: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:26: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: 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/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from drivers/hid/hid-sensor-hub.c:8: In file included from include/linux/hid.h:29: In file included from include/linux/hid_bpf.h:6: In file included from include/linux/bpf.h:31: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:26: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/hexagon/include/asm/io.h:328: 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); | ~~~~~~~~~~ ^ >> drivers/hid/hid-sensor-hub.c:744:33: error: initializing 'struct hid_sensor_hub_device *' with an expression of type 'const void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] 744 | struct hid_sensor_hub_device *hsdev = | ^ 745 | data->hid_sensor_hub_client_devs[i].platform_data; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 7 warnings and 1 error generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for OMAP2PLUS_MBOX Depends on [n]: MAILBOX [=y] && (ARCH_OMAP2PLUS || ARCH_K3) Selected by [m]: - TI_K3_M4_REMOTEPROC [=m] && REMOTEPROC [=y] && (ARCH_K3 || COMPILE_TEST [=y]) vim +744 drivers/hid/hid-sensor-hub.c 401ca24fb34aee srinivas pandruvada 2012-09-05 732 401ca24fb34aee srinivas pandruvada 2012-09-05 733 static void sensor_hub_remove(struct hid_device *hdev) 401ca24fb34aee srinivas pandruvada 2012-09-05 734 { 401ca24fb34aee srinivas pandruvada 2012-09-05 735 struct sensor_hub_data *data = hid_get_drvdata(hdev); 401ca24fb34aee srinivas pandruvada 2012-09-05 736 unsigned long flags; e651a1da442ae0 Srinivas Pandruvada 2015-02-19 737 int i; 401ca24fb34aee srinivas pandruvada 2012-09-05 738 401ca24fb34aee srinivas pandruvada 2012-09-05 739 hid_dbg(hdev, " hardware removed\n"); 401ca24fb34aee srinivas pandruvada 2012-09-05 740 hid_hw_close(hdev); f2f13a68c37c13 Axel Lin 2012-09-19 741 hid_hw_stop(hdev); 401ca24fb34aee srinivas pandruvada 2012-09-05 742 spin_lock_irqsave(&data->lock, flags); e651a1da442ae0 Srinivas Pandruvada 2015-02-19 743 for (i = 0; i < data->hid_sensor_client_cnt; ++i) { e651a1da442ae0 Srinivas Pandruvada 2015-02-19 @744 struct hid_sensor_hub_device *hsdev = e651a1da442ae0 Srinivas Pandruvada 2015-02-19 745 data->hid_sensor_hub_client_devs[i].platform_data; e651a1da442ae0 Srinivas Pandruvada 2015-02-19 746 if (hsdev->pending.status) e651a1da442ae0 Srinivas Pandruvada 2015-02-19 747 complete(&hsdev->pending.ready); e651a1da442ae0 Srinivas Pandruvada 2015-02-19 748 } 401ca24fb34aee srinivas pandruvada 2012-09-05 749 spin_unlock_irqrestore(&data->lock, flags); 401ca24fb34aee srinivas pandruvada 2012-09-05 750 mfd_remove_devices(&hdev->dev); 401ca24fb34aee srinivas pandruvada 2012-09-05 751 mutex_destroy(&data->mutex); 401ca24fb34aee srinivas pandruvada 2012-09-05 752 } 401ca24fb34aee srinivas pandruvada 2012-09-05 753 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki