From: kernel test robot <lkp@intel.com>
Cc: oe-kbuild-all@lists.linux.dev, llvm@lists.linux.dev
Subject: drivers/staging/gpib/eastwood/fluke_gpib.c:196:23: warning: variable 'nec_priv' set but not used
Date: Wed, 8 Jan 2025 22:59:09 +0800 [thread overview]
Message-ID: <202501082213.4JCKIepk-lkp@intel.com> (raw)
CC: linux-kernel@vger.kernel.org
TO: Dave Penkler <dpenkler@gmail.com>
Hi Dave,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 09a0fa92e5b45e99cf435b2fbf5ebcf889cf8780
commit: 165e8cc3cfec9ef51f3376b0d49b115294f34f3b staging: gpib: Add KBUILD files for GPIB drivers
date: 3 months ago
config: arm-randconfig-003-20250105 (https://download.01.org/0day-ci/archive/20250108/202501082213.4JCKIepk-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 096551537b2a747a3387726ca618ceeb3950e9bc)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250108/202501082213.4JCKIepk-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501082213.4JCKIepk-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/staging/gpib/eastwood/fluke_gpib.c:10:
In file included from drivers/staging/gpib/eastwood/fluke_gpib.h:9:
In file included from include/linux/dmaengine.h:12:
In file included from include/linux/scatterlist.h:8:
In file included from include/linux/mm.h:2213:
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_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/staging/gpib/eastwood/fluke_gpib.c:196:23: warning: variable 'nec_priv' set but not used [-Wunused-but-set-variable]
196 | struct nec7210_priv *nec_priv;
| ^
2 warnings generated.
--
In file included from drivers/staging/gpib/nec7210/nec7210.c:14:
In file included from include/linux/pci.h:2676:
In file included from include/linux/dma-mapping.h:11:
In file included from include/linux/scatterlist.h:8:
In file included from include/linux/mm.h:2213:
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_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/staging/gpib/nec7210/nec7210.c:940:16: warning: variable 'command' set but not used [-Wunused-but-set-variable]
940 | unsigned int command;
| ^
>> drivers/staging/gpib/nec7210/nec7210.c:1000:23: warning: bitwise operation between different enumeration types ('enum auxmr_bits' and 'enum ppr_bits') [-Wenum-enum-conversion]
1000 | write_byte(priv, PPR | HR_PPU, AUXMR);
| ~~~ ^ ~~~~~~
>> drivers/staging/gpib/nec7210/nec7210.c:1004:26: warning: bitwise operation between different enumeration types ('enum auxmr_bits' and 'enum auxra_bits') [-Wenum-enum-conversion]
1004 | priv->auxa_bits = AUXRA | HR_HLDA;
| ~~~~~ ^ ~~~~~~~
>> drivers/staging/gpib/nec7210/nec7210.c:1010:26: warning: bitwise operation between different enumeration types ('enum auxmr_bits' and 'enum auxrb_bits') [-Wenum-enum-conversion]
1010 | priv->auxb_bits = AUXRB | HR_CPTE;
| ~~~~~ ^ ~~~~~~~
5 warnings generated.
vim +/nec_priv +196 drivers/staging/gpib/eastwood/fluke_gpib.c
55936779f49612 Dave Penkler 2024-09-18 190
55936779f49612 Dave Penkler 2024-09-18 191 static int fluke_line_status(const gpib_board_t *board)
55936779f49612 Dave Penkler 2024-09-18 192 {
55936779f49612 Dave Penkler 2024-09-18 193 int status = ValidALL;
55936779f49612 Dave Penkler 2024-09-18 194 int bsr_bits;
55936779f49612 Dave Penkler 2024-09-18 195 struct fluke_priv *e_priv;
55936779f49612 Dave Penkler 2024-09-18 @196 struct nec7210_priv *nec_priv;
55936779f49612 Dave Penkler 2024-09-18 197
55936779f49612 Dave Penkler 2024-09-18 198 e_priv = board->private_data;
55936779f49612 Dave Penkler 2024-09-18 199 nec_priv = &e_priv->nec7210_priv;
55936779f49612 Dave Penkler 2024-09-18 200
55936779f49612 Dave Penkler 2024-09-18 201 bsr_bits = fluke_paged_read_byte(e_priv, BUS_STATUS, BUS_STATUS_PAGE);
55936779f49612 Dave Penkler 2024-09-18 202
55936779f49612 Dave Penkler 2024-09-18 203 if ((bsr_bits & BSR_REN_BIT) == 0)
55936779f49612 Dave Penkler 2024-09-18 204 status |= BusREN;
55936779f49612 Dave Penkler 2024-09-18 205 if ((bsr_bits & BSR_IFC_BIT) == 0)
55936779f49612 Dave Penkler 2024-09-18 206 status |= BusIFC;
55936779f49612 Dave Penkler 2024-09-18 207 if ((bsr_bits & BSR_SRQ_BIT) == 0)
55936779f49612 Dave Penkler 2024-09-18 208 status |= BusSRQ;
55936779f49612 Dave Penkler 2024-09-18 209 if ((bsr_bits & BSR_EOI_BIT) == 0)
55936779f49612 Dave Penkler 2024-09-18 210 status |= BusEOI;
55936779f49612 Dave Penkler 2024-09-18 211 if ((bsr_bits & BSR_NRFD_BIT) == 0)
55936779f49612 Dave Penkler 2024-09-18 212 status |= BusNRFD;
55936779f49612 Dave Penkler 2024-09-18 213 if ((bsr_bits & BSR_NDAC_BIT) == 0)
55936779f49612 Dave Penkler 2024-09-18 214 status |= BusNDAC;
55936779f49612 Dave Penkler 2024-09-18 215 if ((bsr_bits & BSR_DAV_BIT) == 0)
55936779f49612 Dave Penkler 2024-09-18 216 status |= BusDAV;
55936779f49612 Dave Penkler 2024-09-18 217 if ((bsr_bits & BSR_ATN_BIT) == 0)
55936779f49612 Dave Penkler 2024-09-18 218 status |= BusATN;
55936779f49612 Dave Penkler 2024-09-18 219
55936779f49612 Dave Penkler 2024-09-18 220 return status;
55936779f49612 Dave Penkler 2024-09-18 221 }
55936779f49612 Dave Penkler 2024-09-18 222
:::::: The code at line 196 was first introduced by commit
:::::: 55936779f4961299efa99a6843c8ff3b019d3858 staging: gpib: Add Fluke cda based cards GPIB driver
:::::: TO: Dave Penkler <dpenkler@gmail.com>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-01-08 14:59 UTC|newest]
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