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Sat, 18 Nov 2023 03:49:22 +0000 Date: Sat, 18 Nov 2023 11:49:11 +0800 From: kernel test robot To: Arnd Bergmann Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Arnaud Pouliquen Subject: drivers/remoteproc/stm32_rproc.c:139:20: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202311181131.FV6wkpIs-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Arnd, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 791c8ab095f71327899023223940dd52257a4173 commit: 03bd158e1535e68bcd2b1e095b0ebcad7c84bd20 remoteproc: stm32: use correct format strings on 64-bit date: 5 months ago config: arm-randconfig-r121-20231118 (https://download.01.org/0day-ci/archive/20231118/202311181131.FV6wkpIs-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231118/202311181131.FV6wkpIs-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202311181131.FV6wkpIs-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/remoteproc/stm32_rproc.c:122:12: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *va @@ got void [noderef] __iomem * @@ drivers/remoteproc/stm32_rproc.c:122:12: sparse: expected void *va drivers/remoteproc/stm32_rproc.c:122:12: sparse: got void [noderef] __iomem * >> drivers/remoteproc/stm32_rproc.c:139:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *io_addr @@ got void *va @@ drivers/remoteproc/stm32_rproc.c:139:20: sparse: expected void volatile [noderef] __iomem *io_addr drivers/remoteproc/stm32_rproc.c:139:20: sparse: got void *va drivers/remoteproc/stm32_rproc.c:644:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/remoteproc/stm32_rproc.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/xarray.h, ...): include/linux/page-flags.h:240:46: sparse: sparse: self-comparison always evaluates to false vim +139 drivers/remoteproc/stm32_rproc.c 13140de09cc2dd Fabien Dessenne 2019-05-14 114 13140de09cc2dd Fabien Dessenne 2019-05-14 115 static int stm32_rproc_mem_alloc(struct rproc *rproc, 13140de09cc2dd Fabien Dessenne 2019-05-14 116 struct rproc_mem_entry *mem) 13140de09cc2dd Fabien Dessenne 2019-05-14 117 { 13140de09cc2dd Fabien Dessenne 2019-05-14 118 struct device *dev = rproc->dev.parent; 13140de09cc2dd Fabien Dessenne 2019-05-14 119 void *va; 13140de09cc2dd Fabien Dessenne 2019-05-14 120 03bd158e1535e6 Arnd Bergmann 2023-06-09 121 dev_dbg(dev, "map memory: %pad+%zx\n", &mem->dma, mem->len); 13140de09cc2dd Fabien Dessenne 2019-05-14 @122 va = ioremap_wc(mem->dma, mem->len); 13140de09cc2dd Fabien Dessenne 2019-05-14 123 if (IS_ERR_OR_NULL(va)) { 03bd158e1535e6 Arnd Bergmann 2023-06-09 124 dev_err(dev, "Unable to map memory region: %pad+0x%zx\n", 13140de09cc2dd Fabien Dessenne 2019-05-14 125 &mem->dma, mem->len); 13140de09cc2dd Fabien Dessenne 2019-05-14 126 return -ENOMEM; 13140de09cc2dd Fabien Dessenne 2019-05-14 127 } 13140de09cc2dd Fabien Dessenne 2019-05-14 128 13140de09cc2dd Fabien Dessenne 2019-05-14 129 /* Update memory entry va */ 13140de09cc2dd Fabien Dessenne 2019-05-14 130 mem->va = va; 13140de09cc2dd Fabien Dessenne 2019-05-14 131 13140de09cc2dd Fabien Dessenne 2019-05-14 132 return 0; 13140de09cc2dd Fabien Dessenne 2019-05-14 133 } 13140de09cc2dd Fabien Dessenne 2019-05-14 134 13140de09cc2dd Fabien Dessenne 2019-05-14 135 static int stm32_rproc_mem_release(struct rproc *rproc, 13140de09cc2dd Fabien Dessenne 2019-05-14 136 struct rproc_mem_entry *mem) 13140de09cc2dd Fabien Dessenne 2019-05-14 137 { 13140de09cc2dd Fabien Dessenne 2019-05-14 138 dev_dbg(rproc->dev.parent, "unmap memory: %pa\n", &mem->dma); 13140de09cc2dd Fabien Dessenne 2019-05-14 @139 iounmap(mem->va); 13140de09cc2dd Fabien Dessenne 2019-05-14 140 13140de09cc2dd Fabien Dessenne 2019-05-14 141 return 0; 13140de09cc2dd Fabien Dessenne 2019-05-14 142 } 13140de09cc2dd Fabien Dessenne 2019-05-14 143 :::::: The code at line 139 was first introduced by commit :::::: 13140de09cc2dd5e5166ad42292bb82af4e23cef remoteproc: stm32: add an ST stm32_rproc driver :::::: TO: Fabien Dessenne :::::: CC: Bjorn Andersson -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki