drivers/remoteproc/stm32_rproc.c:122:12: sparse: sparse: incorrect type in assignment (different address spaces)
From: kernel test robot
Date: Fri Sep 22 2023 - 07:34:20 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 27bbf45eae9ca98877a2d52a92a188147cd61b07
commit: 03bd158e1535e68bcd2b1e095b0ebcad7c84bd20 remoteproc: stm32: use correct format strings on 64-bit
date: 3 months ago
config: csky-randconfig-r121-20230906 (https://download.01.org/0day-ci/archive/20230922/202309221940.9AnFVhVs-lkp@xxxxxxxxx/config)
compiler: csky-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230922/202309221940.9AnFVhVs-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/202309221940.9AnFVhVs-lkp@xxxxxxxxx/
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 *addr @@ got void *va @@
drivers/remoteproc/stm32_rproc.c:139:20: sparse: expected void volatile [noderef] __iomem *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
vim +122 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
:::::: The code at line 122 was first introduced by commit
:::::: 13140de09cc2dd5e5166ad42292bb82af4e23cef remoteproc: stm32: add an ST stm32_rproc driver
:::::: TO: Fabien Dessenne <fabien.dessenne@xxxxxx>
:::::: CC: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
--
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