Messages in this thread | | | Date | Sun, 28 Jun 2020 04:57:07 +0800 | From | kernel test robot <> | Subject | drivers/remoteproc/stm32_rproc.c:109:12: sparse: sparse: incorrect type in assignment (different address spaces) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4e99b32169e84b4ece5a1d74eb0b7e4ef07866b3 commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 9 days ago config: arm-randconfig-s031-20200628 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-dirty git checkout 670d0a4b10704667765f7d18f7592993d02783aa # save the attached .config to linux build tree make W=1 C=1 ARCH=arm CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/remoteproc/stm32_rproc.c:109:12: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *va @@ got void [noderef] __iomem * @@ drivers/remoteproc/stm32_rproc.c:109:12: sparse: expected void *va >> drivers/remoteproc/stm32_rproc.c:109:12: sparse: got void [noderef] __iomem * >> drivers/remoteproc/stm32_rproc.c:126:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *iomem_cookie @@ got void *va @@ >> drivers/remoteproc/stm32_rproc.c:126:20: sparse: expected void volatile [noderef] __iomem *iomem_cookie drivers/remoteproc/stm32_rproc.c:126:20: sparse: got void *va
vim +109 drivers/remoteproc/stm32_rproc.c
13140de09cc2dd Fabien Dessenne 2019-05-14 101 13140de09cc2dd Fabien Dessenne 2019-05-14 102 static int stm32_rproc_mem_alloc(struct rproc *rproc, 13140de09cc2dd Fabien Dessenne 2019-05-14 103 struct rproc_mem_entry *mem) 13140de09cc2dd Fabien Dessenne 2019-05-14 104 { 13140de09cc2dd Fabien Dessenne 2019-05-14 105 struct device *dev = rproc->dev.parent; 13140de09cc2dd Fabien Dessenne 2019-05-14 106 void *va; 13140de09cc2dd Fabien Dessenne 2019-05-14 107 13140de09cc2dd Fabien Dessenne 2019-05-14 108 dev_dbg(dev, "map memory: %pa+%x\n", &mem->dma, mem->len); 13140de09cc2dd Fabien Dessenne 2019-05-14 @109 va = ioremap_wc(mem->dma, mem->len); 13140de09cc2dd Fabien Dessenne 2019-05-14 110 if (IS_ERR_OR_NULL(va)) { 13140de09cc2dd Fabien Dessenne 2019-05-14 111 dev_err(dev, "Unable to map memory region: %pa+%x\n", 13140de09cc2dd Fabien Dessenne 2019-05-14 112 &mem->dma, mem->len); 13140de09cc2dd Fabien Dessenne 2019-05-14 113 return -ENOMEM; 13140de09cc2dd Fabien Dessenne 2019-05-14 114 } 13140de09cc2dd Fabien Dessenne 2019-05-14 115 13140de09cc2dd Fabien Dessenne 2019-05-14 116 /* Update memory entry va */ 13140de09cc2dd Fabien Dessenne 2019-05-14 117 mem->va = va; 13140de09cc2dd Fabien Dessenne 2019-05-14 118 13140de09cc2dd Fabien Dessenne 2019-05-14 119 return 0; 13140de09cc2dd Fabien Dessenne 2019-05-14 120 } 13140de09cc2dd Fabien Dessenne 2019-05-14 121 13140de09cc2dd Fabien Dessenne 2019-05-14 122 static int stm32_rproc_mem_release(struct rproc *rproc, 13140de09cc2dd Fabien Dessenne 2019-05-14 123 struct rproc_mem_entry *mem) 13140de09cc2dd Fabien Dessenne 2019-05-14 124 { 13140de09cc2dd Fabien Dessenne 2019-05-14 125 dev_dbg(rproc->dev.parent, "unmap memory: %pa\n", &mem->dma); 13140de09cc2dd Fabien Dessenne 2019-05-14 @126 iounmap(mem->va); 13140de09cc2dd Fabien Dessenne 2019-05-14 127 13140de09cc2dd Fabien Dessenne 2019-05-14 128 return 0; 13140de09cc2dd Fabien Dessenne 2019-05-14 129 } 13140de09cc2dd Fabien Dessenne 2019-05-14 130
:::::: The code at line 109 was first introduced by commit :::::: 13140de09cc2dd5e5166ad42292bb82af4e23cef remoteproc: stm32: add an ST stm32_rproc driver
:::::: TO: Fabien Dessenne <fabien.dessenne@st.com> :::::: CC: Bjorn Andersson <bjorn.andersson@linaro.org>
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