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X-CSE-ConnectionGUID: wpIWVSIOQZqurD2djmlnLQ== X-CSE-MsgGUID: BUaVDTOpTLuL5f7dlqHG+g== X-IronPort-AV: E=McAfee;i="6800,10657,11813"; a="82115538" X-IronPort-AV: E=Sophos;i="6.24,199,1774335600"; d="scan'208";a="82115538" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jun 2026 08:33:56 -0700 X-CSE-ConnectionGUID: n8vb8tOgRXCJkjZ2rbSM6A== X-CSE-MsgGUID: Z1BzjFuHRQG3sJwy1lbEwg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,199,1774335600"; d="scan'208";a="270183860" Received: from lkp-server01.sh.intel.com (HELO f0d55cb201f0) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 11 Jun 2026 08:33:54 -0700 Received: from kbuild by f0d55cb201f0 with local (Exim 4.98.2) (envelope-from ) id 1wXhPj-00000000NLi-2HnD; Thu, 11 Jun 2026 15:33:51 +0000 Date: Thu, 11 Jun 2026 23:33:17 +0800 From: kernel test robot To: Ben Skeggs Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Dave Airlie , Timur Tabi Subject: drivers/gpu/drm/nouveau/nvif/chanc36f.c:36:9: sparse: sparse: cast removes address space '__iomem' of expression Message-ID: <202606112339.qedgsPAM-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9716c086c8e8b141d35aa61f2e96a2e83de212a7 commit: 862450a85b85a3e88e9065c9d2421f3ef17d054c drm/nouveau/gf100-: track chan progress with non-WFI semaphore release date: 1 year, 1 month ago config: powerpc-randconfig-r112-20260611 (https://download.01.org/0day-ci/archive/20260611/202606112339.qedgsPAM-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 16.1.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260611/202606112339.qedgsPAM-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 | Fixes: 862450a85b85 ("drm/nouveau/gf100-: track chan progress with non-WFI semaphore release") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202606112339.qedgsPAM-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/nouveau/nvif/chanc36f.c:36:9: sparse: sparse: cast removes address space '__iomem' of expression >> drivers/gpu/drm/nouveau/nvif/chanc36f.c:36:9: sparse: sparse: cast removes address space '__iomem' of expression >> drivers/gpu/drm/nouveau/nvif/chanc36f.c:36:9: sparse: sparse: cast removes address space '__iomem' of expression >> drivers/gpu/drm/nouveau/nvif/chanc36f.c:36:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nvif/chanc36f.c:42:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/gpu/drm/nouveau/nvif/chanc36f.c:42:9: sparse: sparse: cast removes address space '__iomem' of expression vim +/__iomem +36 drivers/gpu/drm/nouveau/nvif/chanc36f.c 25 26 static int 27 nvif_chanc36f_sem_release(struct nvif_chan *chan, u64 addr, u32 data) 28 { 29 struct nvif_push *push = &chan->push; 30 int ret; 31 32 ret = PUSH_WAIT(push, NVIF_CHANC36F_SEM_RELEASE_SIZE); 33 if (ret) 34 return ret; 35 > 36 PUSH_MTHD(push, NVC36F, SEM_ADDR_LO, lower_32_bits(addr), 37 38 SEM_ADDR_HI, upper_32_bits(addr), 39 40 SEM_PAYLOAD_LO, data); 41 42 PUSH_MTHD(push, NVC36F, SEM_EXECUTE, 43 NVDEF(NVC36F, SEM_EXECUTE, OPERATION, RELEASE) | 44 NVDEF(NVC36F, SEM_EXECUTE, RELEASE_WFI, DIS) | 45 NVDEF(NVC36F, SEM_EXECUTE, PAYLOAD_SIZE, 32BIT) | 46 NVDEF(NVC36F, SEM_EXECUTE, RELEASE_TIMESTAMP, DIS)); 47 48 return 0; 49 } 50 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki