Re: [PATCH] HID: hid-goodix: Add Goodix HID-over-SPI driver

From: kernel test robot
Date: Fri May 24 2024 - 13:43:06 EST


Hi Charles,

kernel test robot noticed the following build warnings:

[auto build test WARNING on hid/for-next]
[also build test WARNING on linus/master v6.9 next-20240523]
[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/Charles-Wang/HID-hid-goodix-Add-Goodix-HID-over-SPI-driver/20240524-183743
base: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next
patch link: https://lore.kernel.org/r/20240524103407.36861-1-charles.goodix%40gmail.com
patch subject: [PATCH] HID: hid-goodix: Add Goodix HID-over-SPI driver
config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20240525/202405250142.ZtT610HW-lkp@xxxxxxxxx/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 7aa382fd7257d9bd4f7fc50bb7078a3c26a1628c)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240525/202405250142.ZtT610HW-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/202405250142.ZtT610HW-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

In file included from drivers/hid/hid-goodix.c:9:
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: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/hid/hid-goodix.c:9:
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:9:
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-goodix.c:9:
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:9:
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-goodix.c:9:
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:9:
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-goodix.c:627:36: warning: unused variable 'goodix_spi_acpi_match' [-Wunused-const-variable]
627 | static const struct acpi_device_id goodix_spi_acpi_match[] = {
| ^~~~~~~~~~~~~~~~~~~~~
8 warnings generated.


vim +/goodix_spi_acpi_match +627 drivers/hid/hid-goodix.c

626
> 627 static const struct acpi_device_id goodix_spi_acpi_match[] = {
628 { "GXTS7986" },
629 { },
630 };
631 MODULE_DEVICE_TABLE(acpi, goodix_spi_acpi_match);
632

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