lkml.org 
[lkml]   [2022]   [Jan]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subjectdrivers/remoteproc/rcar_rproc.c:28:12: sparse: sparse: incorrect type in assignment (different address spaces)
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 26291c54e111ff6ba87a164d85d4a4e134b7315c
commit: 285892a74f1370a12249f765c6a4e3b16194852e remoteproc: Add Renesas rcar driver
date: 7 weeks ago
config: ia64-randconfig-s032-20220130 (https://download.01.org/0day-ci/archive/20220201/202202010048.Xq8X0kfI-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 11.2.0
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-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=285892a74f1370a12249f765c6a4e3b16194852e
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 285892a74f1370a12249f765c6a4e3b16194852e
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/remoteproc/

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/rcar_rproc.c:28:12: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *va @@ got void [noderef] __iomem * @@
drivers/remoteproc/rcar_rproc.c:28:12: sparse: expected void *va
drivers/remoteproc/rcar_rproc.c:28:12: sparse: got void [noderef] __iomem *
>> drivers/remoteproc/rcar_rproc.c:45:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *va @@
drivers/remoteproc/rcar_rproc.c:45:20: sparse: expected void volatile [noderef] __iomem *addr
drivers/remoteproc/rcar_rproc.c:45:20: sparse: got void *va

vim +28 drivers/remoteproc/rcar_rproc.c

20
21 static int rcar_rproc_mem_alloc(struct rproc *rproc,
22 struct rproc_mem_entry *mem)
23 {
24 struct device *dev = &rproc->dev;
25 void *va;
26
27 dev_dbg(dev, "map memory: %pa+%zx\n", &mem->dma, mem->len);
> 28 va = ioremap_wc(mem->dma, mem->len);
29 if (!va) {
30 dev_err(dev, "Unable to map memory region: %pa+%zx\n",
31 &mem->dma, mem->len);
32 return -ENOMEM;
33 }
34
35 /* Update memory entry va */
36 mem->va = va;
37
38 return 0;
39 }
40
41 static int rcar_rproc_mem_release(struct rproc *rproc,
42 struct rproc_mem_entry *mem)
43 {
44 dev_dbg(&rproc->dev, "unmap memory: %pa\n", &mem->dma);
> 45 iounmap(mem->va);
46
47 return 0;
48 }
49

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

\
 
 \ /
  Last update: 2022-01-31 17:22    [W:0.023 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site