drivers/soc/fsl/qe/qmc.c:2002:30: warning: unused variable 'qmc_data_qe'

From: kernel test robot
Date: Mon Sep 23 2024 - 00:53:46 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: de5cb0dcb74c294ec527eddfe5094acfdb21ff21
commit: eb680d563089e55b20cb7730ed881638fe4425b7 soc: fsl: cpm1: qmc: Add support for QUICC Engine (QE) implementation
date: 3 weeks ago
config: powerpc-randconfig-r054-20240923 (https://download.01.org/0day-ci/archive/20240923/202409231229.EFlvN9m0-lkp@xxxxxxxxx/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 8663a75fa2f31299ab8d1d90288d9df92aadee88)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240923/202409231229.EFlvN9m0-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/202409231229.EFlvN9m0-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

In file included from drivers/soc/fsl/qe/qmc.c:12:
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:2228:
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_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/soc/fsl/qe/qmc.c:2002:30: warning: unused variable 'qmc_data_qe' [-Wunused-const-variable]
2002 | static const struct qmc_data qmc_data_qe = {
| ^~~~~~~~~~~
2 warnings generated.


vim +/qmc_data_qe +2002 drivers/soc/fsl/qe/qmc.c

2001
> 2002 static const struct qmc_data qmc_data_qe = {
2003 .version = QMC_QE,
2004 .tstate = 0x30000000,
2005 .rstate = 0x30000000,
2006 .zistate = 0x00000200,
2007 .zdstate_hdlc = 0x80FFFFE0,
2008 .zdstate_transp = 0x003FFFE2,
2009 .rpack = 0x80000000,
2010 };
2011

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