linux-kernel - drivers/gpu/drm/xe/xe_guc_capture.c:218: warning: cannot understand function prototype: 'struct __guc_mmio_reg_descr

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Message-ID: <202504270013.yxJGp0R1-lkp@intel.com>
Date: Sun, 27 Apr 2025 00:17:57 +0800
From: kernel test robot <lkp@...el.com>
To: Zhanjun Dong <zhanjun.dong@...el.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Matt Roper <matthew.d.roper@...el.com>,
	Alan Previn <alan.previn.teres.alexis@...el.com>
Subject: drivers/gpu/drm/xe/xe_guc_capture.c:218: warning: cannot understand
 function prototype: 'struct __guc_mmio_reg_descr_group *extlists; '

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   02ddfb981de88a2c15621115dd7be2431252c568
commit: b170d696c1e2226713471d810c63b1162335079f drm/xe/guc: Add XE_LP steered register lists
date:   7 months ago
config: riscv-randconfig-002-20250426 (https://download.01.org/0day-ci/archive/20250427/202504270013.yxJGp0R1-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250427/202504270013.yxJGp0R1-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/202504270013.yxJGp0R1-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/xe/xe_guc_capture.c:218: warning: cannot understand function prototype: 'struct __guc_mmio_reg_descr_group *extlists; '


vim +218 drivers/gpu/drm/xe/xe_guc_capture.c

   211	
   212	struct xe_guc_state_capture {
   213		const struct __guc_mmio_reg_descr_group *reglists;
   214		/**
   215		 * NOTE: steered registers have multiple instances depending on the HW configuration
   216		 * (slices or dual-sub-slices) and thus depends on HW fuses discovered
   217		 */
 > 218		struct __guc_mmio_reg_descr_group *extlists;
   219		struct __guc_capture_ads_cache ads_cache[GUC_CAPTURE_LIST_INDEX_MAX]
   220							[GUC_STATE_CAPTURE_TYPE_MAX]
   221							[GUC_CAPTURE_LIST_CLASS_MAX];
   222		void *ads_null_cache;
   223	};
   224	

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