drivers/remoteproc/stm32_rproc.c:139:20: sparse: sparse: incorrect type in argument 1 (different address spaces)

kernel test robot
2023-11-08T01:11:04Z

head: 13d88ac54ddd1011b6e94443958e798aa06eb835
commit: 03bd158e1535e68bcd2b1e095b0ebcad7c84bd20 remoteproc: stm32: use correct format strings on 64-bit
date: 5 months ago
config: mips-randconfig-r122-20231108 (https://download.01.org/0day-ci/archive/20231108/202311080824.j8FQFyrT-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231108/202311080824.j8FQFyrT-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311080824.j8FQFyrT-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 const volatile [noderef] __iomem *addr @@ got void *va @@
drivers/remoteproc/stm32_rproc.c:139:20: sparse: expected void const 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 +139 drivers/remoteproc/stm32_rproc.c

13140de09cc2dd5 Fabien Dessenne 2019-05-14 114
13140de09cc2dd5 Fabien Dessenne 2019-05-14 115 static int stm32_rproc_mem_alloc(struct rproc *rproc,
13140de09cc2dd5 Fabien Dessenne 2019-05-14 116 struct rproc_mem_entry *mem)
13140de09cc2dd5 Fabien Dessenne 2019-05-14 117 {
13140de09cc2dd5 Fabien Dessenne 2019-05-14 118 struct device *dev = rproc->dev.parent;
13140de09cc2dd5 Fabien Dessenne 2019-05-14 119 void *va;
13140de09cc2dd5 Fabien Dessenne 2019-05-14 120
03bd158e1535e68 Arnd Bergmann 2023-06-09 121 dev_dbg(dev, "map memory: %pad+%zx\n", &mem->dma, mem->len);
13140de09cc2dd5 Fabien Dessenne 2019-05-14 @122 va = ioremap_wc(mem->dma, mem->len);
13140de09cc2dd5 Fabien Dessenne 2019-05-14 123 if (IS_ERR_OR_NULL(va)) {
03bd158e1535e68 Arnd Bergmann 2023-06-09 124 dev_err(dev, "Unable to map memory region: %pad+0x%zx\n",
13140de09cc2dd5 Fabien Dessenne 2019-05-14 125 &mem->dma, mem->len);
13140de09cc2dd5 Fabien Dessenne 2019-05-14 126 return -ENOMEM;
13140de09cc2dd5 Fabien Dessenne 2019-05-14 127 }
13140de09cc2dd5 Fabien Dessenne 2019-05-14 128
13140de09cc2dd5 Fabien Dessenne 2019-05-14 129 /* Update memory entry va */
13140de09cc2dd5 Fabien Dessenne 2019-05-14 130 mem->va = va;
13140de09cc2dd5 Fabien Dessenne 2019-05-14 131
13140de09cc2dd5 Fabien Dessenne 2019-05-14 132 return 0;
13140de09cc2dd5 Fabien Dessenne 2019-05-14 133 }
13140de09cc2dd5 Fabien Dessenne 2019-05-14 134
13140de09cc2dd5 Fabien Dessenne 2019-05-14 135 static int stm32_rproc_mem_release(struct rproc *rproc,
13140de09cc2dd5 Fabien Dessenne 2019-05-14 136 struct rproc_mem_entry *mem)
13140de09cc2dd5 Fabien Dessenne 2019-05-14 137 {
13140de09cc2dd5 Fabien Dessenne 2019-05-14 138 dev_dbg(rproc->dev.parent, "unmap memory: %pa\n", &mem->dma);
13140de09cc2dd5 Fabien Dessenne 2019-05-14 @139 iounmap(mem->va);
13140de09cc2dd5 Fabien Dessenne 2019-05-14 140
13140de09cc2dd5 Fabien Dessenne 2019-05-14 141 return 0;
13140de09cc2dd5 Fabien Dessenne 2019-05-14 142 }
13140de09cc2dd5 Fabien Dessenne 2019-05-14 143