From: kernel test robot <lkp@intel.com>
To: Tanmay Shah <tanmay.shah@amd.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Ben Levinsky <ben.levinsky@amd.com>
Subject: drivers/remoteproc/xlnx_r5_remoteproc.c:209:20: sparse: sparse: cast removes address space '__iomem' of expression
Date: Thu, 13 Apr 2023 23:18:34 +0800 [thread overview]
Message-ID: <202304132306.utSmesDI-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: de4664485abbc0529b1eec44d0061bbfe58a28fb
commit: 6b291e8020a8bd90e94ee13d61f251040425c90d drivers: remoteproc: Add Xilinx r5 remoteproc driver
date: 5 months ago
config: arm64-randconfig-s052-20230413 (https://download.01.org/0day-ci/archive/20230413/202304132306.utSmesDI-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 12.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6b291e8020a8bd90e94ee13d61f251040425c90d
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 6b291e8020a8bd90e94ee13d61f251040425c90d
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/remoteproc/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304132306.utSmesDI-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/remoteproc/xlnx_r5_remoteproc.c:209:20: sparse: sparse: cast removes address space '__iomem' of expression
drivers/remoteproc/xlnx_r5_remoteproc.c:315:20: sparse: sparse: cast removes address space '__iomem' of expression
vim +/__iomem +209 drivers/remoteproc/xlnx_r5_remoteproc.c
190
191 /*
192 * zynqmp_r5_mem_region_map()
193 * @rproc: single R5 core's corresponding rproc instance
194 * @mem: mem descriptor to map reserved memory-regions
195 *
196 * Callback to map va for memory-region's carveout.
197 *
198 * return 0 on success, otherwise non-zero value on failure
199 */
200 static int zynqmp_r5_mem_region_map(struct rproc *rproc,
201 struct rproc_mem_entry *mem)
202 {
203 void __iomem *va;
204
205 va = ioremap_wc(mem->dma, mem->len);
206 if (IS_ERR_OR_NULL(va))
207 return -ENOMEM;
208
> 209 mem->va = (void *)va;
210
211 return 0;
212 }
213
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
next reply other threads:[~2023-04-13 15:19 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-13 15:18 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-11-05 7:29 drivers/remoteproc/xlnx_r5_remoteproc.c:209:20: sparse: sparse: cast removes address space '__iomem' of expression kernel test robot
2023-11-03 23:30 kernel test robot
2023-11-02 22:36 kernel test robot
2023-05-15 23:06 kernel test robot
2023-03-29 15:30 kernel test robot
2023-03-19 3:08 kernel test robot
2023-01-11 0:29 kernel test robot
2022-12-25 1:32 kernel test robot
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