linux-kernel - Re: [PATCH 1/1] Adding support for aXiom touchscreen controller

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Message-ID: <202601230252.ZlyhNYe2-lkp@intel.com>
Date: Fri, 23 Jan 2026 03:03:43 +0800
From: kernel test robot <lkp@...el.com>
To: AThomas63 <andrew.thomas@...chnetix.com>, dmitry.torokhov@...il.com
Cc: oe-kbuild-all@...ts.linux.dev, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, mark.satterthwaite@...chnetix.com,
	andrew.thomas@...chnetix.com, m.felsch@...gutronix.de,
	kamel.bouhara@...tlin.com
Subject: Re: [PATCH 1/1] Adding support for aXiom touchscreen controller

Hi AThomas63,

kernel test robot noticed the following build errors:

[auto build test ERROR on dtor-input/next]
[also build test ERROR on dtor-input/for-linus hid/for-next linus/master v6.19-rc6 next-20260122]
[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/AThomas63/Adding-support-for-aXiom-touchscreen-controller/20260122-212452
base:   https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
patch link:    https://lore.kernel.org/r/20260122124819.273188-2-andrew.thomas%40touchnetix.com
patch subject: [PATCH 1/1] Adding support for aXiom touchscreen controller
config: sh-randconfig-r072-20260123 (https://download.01.org/0day-ci/archive/20260123/202601230252.ZlyhNYe2-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 14.3.0
smatch version: v0.5.0-8994-gd50c5a4c
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260123/202601230252.ZlyhNYe2-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601230252.ZlyhNYe2-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/input/touchscreen/axiom_core.c: In function 'axiom_unpack_device_info':
>> drivers/input/touchscreen/axiom_core.c:110:27: error: implicit declaration of function 'FIELD_GET' [-Wimplicit-function-declaration]
     110 |         info->device_id = FIELD_GET(AX_DEV_ID_MASK, w);
         |                           ^~~~~~~~~


vim +/FIELD_GET +110 drivers/input/touchscreen/axiom_core.c

   103	
   104	static void axiom_unpack_device_info(const u8 *buf,
   105					     struct axiom_device_info *info)
   106	{
   107		u16 w;
   108	
   109		w = get_unaligned_le16(buf);
 > 110		info->device_id = FIELD_GET(AX_DEV_ID_MASK, w);
   111		info->mode = !!(w & AX_MODE);
   112	
   113		w = get_unaligned_le16(buf + 2);
   114		info->runtime_fw_rev_minor = FIELD_GET(AX_FW_REV_MINOR_MASK, w);
   115		info->runtime_fw_rev_major = FIELD_GET(AX_FW_REV_MAJOR_MASK, w);
   116	
   117		w = get_unaligned_le16(buf + 4);
   118		info->device_build_variant = FIELD_GET(AX_VARIANT_MASK, w);
   119		info->runtime_fw_status = !!(w & AX_FW_STATUS);
   120		info->tcp_revision = FIELD_GET(AX_TCP_REV_MASK, w);
   121	
   122		w = get_unaligned_le16(buf + 6);
   123		info->bootloader_fw_rev_minor = FIELD_GET(AX_BOOT_REV_MINOR_MASK, w);
   124		info->bootloader_fw_rev_major = FIELD_GET(AX_BOOT_REV_MAJOR_MASK, w);
   125	
   126		info->jedec_id = get_unaligned_le16(buf + 8);
   127	
   128		w = get_unaligned_le16(buf + 10);
   129		info->num_usages = FIELD_GET(AX_NUM_USAGES_MASK, w);
   130		info->silicon_revision = FIELD_GET(AX_SILICON_REV_MASK, w);
   131		info->runtime_fw_rev_patch = FIELD_GET(AX_RUNTIME_FW_PATCH_MASK, w);
   132	}
   133	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki