linux-kernel - drivers/platform/mellanox/mlxbf-pmc.c:1172:14: sparse: sparse: incorrect type in assignment (different address spaces)

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Message-ID: <202410191601.5pf9Y9Iw-lkp@intel.com>
Date: Sat, 19 Oct 2024 16:42:09 +0800
From: kernel test robot <lkp@...el.com>
To: Shravan Kumar Ramani <shravankr@...dia.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Hans de Goede <hdegoede@...hat.com>,
	Vadim Pasternak <vadimp@...dia.com>,
	David Thompson <davthompson@...dia.com>
Subject: drivers/platform/mellanox/mlxbf-pmc.c:1172:14: sparse: sparse:
 incorrect type in assignment (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3d5ad2d4eca337e80f38df77de89614aa5aaceb9
commit: 423c3361855c1e81f1cb91728a2ac5ddfd2cbf16 platform/mellanox: mlxbf-pmc: Add support for BlueField-3
date:   1 year, 1 month ago
config: arm64-randconfig-r133-20241018 (https://download.01.org/0day-ci/archive/20241019/202410191601.5pf9Y9Iw-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 14.1.0
reproduce: (https://download.01.org/0day-ci/archive/20241019/202410191601.5pf9Y9Iw-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/202410191601.5pf9Y9Iw-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/platform/mellanox/mlxbf-pmc.c:1172:14: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *addr @@     got void [noderef] __iomem * @@
   drivers/platform/mellanox/mlxbf-pmc.c:1172:14: sparse:     expected void *addr
   drivers/platform/mellanox/mlxbf-pmc.c:1172:14: sparse:     got void [noderef] __iomem *
>> drivers/platform/mellanox/mlxbf-pmc.c:1174:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void [noderef] __iomem *addr @@     got void *addr @@
   drivers/platform/mellanox/mlxbf-pmc.c:1174:31: sparse:     expected void [noderef] __iomem *addr
   drivers/platform/mellanox/mlxbf-pmc.c:1174:31: sparse:     got void *addr
   drivers/platform/mellanox/mlxbf-pmc.c:1186:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void [noderef] __iomem *addr @@     got void *addr @@
   drivers/platform/mellanox/mlxbf-pmc.c:1186:32: sparse:     expected void [noderef] __iomem *addr
   drivers/platform/mellanox/mlxbf-pmc.c:1186:32: sparse:     got void *addr
   drivers/platform/mellanox/mlxbf-pmc.c:1194:14: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *addr @@     got void [noderef] __iomem * @@
   drivers/platform/mellanox/mlxbf-pmc.c:1194:14: sparse:     expected void *addr
   drivers/platform/mellanox/mlxbf-pmc.c:1194:14: sparse:     got void [noderef] __iomem *
   drivers/platform/mellanox/mlxbf-pmc.c:1198:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void [noderef] __iomem *addr @@     got void *addr @@
   drivers/platform/mellanox/mlxbf-pmc.c:1198:32: sparse:     expected void [noderef] __iomem *addr
   drivers/platform/mellanox/mlxbf-pmc.c:1198:32: sparse:     got void *addr
   drivers/platform/mellanox/mlxbf-pmc.c:1415:14: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *addr @@     got void [noderef] __iomem * @@
   drivers/platform/mellanox/mlxbf-pmc.c:1415:14: sparse:     expected void *addr
   drivers/platform/mellanox/mlxbf-pmc.c:1415:14: sparse:     got void [noderef] __iomem *
   drivers/platform/mellanox/mlxbf-pmc.c:1417:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void [noderef] __iomem *addr @@     got void *addr @@
   drivers/platform/mellanox/mlxbf-pmc.c:1417:31: sparse:     expected void [noderef] __iomem *addr
   drivers/platform/mellanox/mlxbf-pmc.c:1417:31: sparse:     got void *addr
   drivers/platform/mellanox/mlxbf-pmc.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/slab.h, ...):
   include/linux/page-flags.h:242:46: sparse: sparse: self-comparison always evaluates to false

vim +1172 drivers/platform/mellanox/mlxbf-pmc.c

  1163	
  1164	/* Method to handle crspace counter programming */
  1165	static int mlxbf_pmc_program_crspace_counter(int blk_num, uint32_t cnt_num,
  1166						     uint32_t evt)
  1167	{
  1168		uint32_t word;
  1169		void *addr;
  1170		int ret;
  1171	
> 1172		addr = pmc->block[blk_num].mmio_base +
  1173			(rounddown(cnt_num, 2) * MLXBF_PMC_CRSPACE_PERFSEL_SZ);
> 1174		ret = mlxbf_pmc_readl(addr, &word);
  1175		if (ret)
  1176			return ret;
  1177	
  1178		if (cnt_num % 2) {
  1179			word &= ~MLXBF_PMC_CRSPACE_PERFSEL1;
  1180			word |= FIELD_PREP(MLXBF_PMC_CRSPACE_PERFSEL1, evt);
  1181		} else {
  1182			word &= ~MLXBF_PMC_CRSPACE_PERFSEL0;
  1183			word |= FIELD_PREP(MLXBF_PMC_CRSPACE_PERFSEL0, evt);
  1184		}
  1185	
  1186		return mlxbf_pmc_write(addr, MLXBF_PMC_WRITE_REG_32, word);
  1187	}
  1188	

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