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Message-ID: <202210210504.1ztETs5p-lkp@intel.com>
Date: Fri, 21 Oct 2022 05:37:32 +0800
From: kernel test robot <lkp@...el.com>
To: Kefeng Wang <wangkefeng.wang@...wei.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Will Deacon <will@...nel.org>, Christoph Hellwig <hch@....de>,
Arnd Bergmann <arnd@...db.de>,
"Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
Subject: drivers/remoteproc/rcar_rproc.c:45:20: sparse: sparse: incorrect
type in argument 1 (different address spaces)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: aae703b02f92bde9264366c545e87cec451de471
commit: d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee ARM: mm: kill unused runtime hook arch_iounmap()
date: 4 months ago
config: arm-randconfig-s053-20221020
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash drivers/remoteproc/ drivers/video/fbdev/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.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 *io_addr @@ got void *va @@
drivers/remoteproc/rcar_rproc.c:45:20: sparse: expected void volatile [noderef] __iomem *io_addr
drivers/remoteproc/rcar_rproc.c:45:20: sparse: got void *va
--
drivers/video/fbdev/xilinxfb.c:287:34: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *fb_virt @@ got void [noderef] __iomem * @@
drivers/video/fbdev/xilinxfb.c:287:34: sparse: expected void *fb_virt
drivers/video/fbdev/xilinxfb.c:287:34: sparse: got void [noderef] __iomem *
>> drivers/video/fbdev/xilinxfb.c:371:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *io_addr @@ got void *fb_virt @@
drivers/video/fbdev/xilinxfb.c:371:32: sparse: expected void volatile [noderef] __iomem *io_addr
drivers/video/fbdev/xilinxfb.c:371:32: sparse: got void *fb_virt
drivers/video/fbdev/xilinxfb.c:395:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *io_addr @@ got void *fb_virt @@
drivers/video/fbdev/xilinxfb.c:395:32: sparse: expected void volatile [noderef] __iomem *io_addr
drivers/video/fbdev/xilinxfb.c:395:32: sparse: got void *fb_virt
vim +45 drivers/remoteproc/rcar_rproc.c
285892a74f1370 Julien Massot 2021-12-07 20
285892a74f1370 Julien Massot 2021-12-07 21 static int rcar_rproc_mem_alloc(struct rproc *rproc,
285892a74f1370 Julien Massot 2021-12-07 22 struct rproc_mem_entry *mem)
285892a74f1370 Julien Massot 2021-12-07 23 {
285892a74f1370 Julien Massot 2021-12-07 24 struct device *dev = &rproc->dev;
285892a74f1370 Julien Massot 2021-12-07 25 void *va;
285892a74f1370 Julien Massot 2021-12-07 26
285892a74f1370 Julien Massot 2021-12-07 27 dev_dbg(dev, "map memory: %pa+%zx\n", &mem->dma, mem->len);
285892a74f1370 Julien Massot 2021-12-07 @28 va = ioremap_wc(mem->dma, mem->len);
285892a74f1370 Julien Massot 2021-12-07 29 if (!va) {
285892a74f1370 Julien Massot 2021-12-07 30 dev_err(dev, "Unable to map memory region: %pa+%zx\n",
285892a74f1370 Julien Massot 2021-12-07 31 &mem->dma, mem->len);
285892a74f1370 Julien Massot 2021-12-07 32 return -ENOMEM;
285892a74f1370 Julien Massot 2021-12-07 33 }
285892a74f1370 Julien Massot 2021-12-07 34
285892a74f1370 Julien Massot 2021-12-07 35 /* Update memory entry va */
285892a74f1370 Julien Massot 2021-12-07 36 mem->va = va;
285892a74f1370 Julien Massot 2021-12-07 37
285892a74f1370 Julien Massot 2021-12-07 38 return 0;
285892a74f1370 Julien Massot 2021-12-07 39 }
285892a74f1370 Julien Massot 2021-12-07 40
285892a74f1370 Julien Massot 2021-12-07 41 static int rcar_rproc_mem_release(struct rproc *rproc,
285892a74f1370 Julien Massot 2021-12-07 42 struct rproc_mem_entry *mem)
285892a74f1370 Julien Massot 2021-12-07 43 {
285892a74f1370 Julien Massot 2021-12-07 44 dev_dbg(&rproc->dev, "unmap memory: %pa\n", &mem->dma);
285892a74f1370 Julien Massot 2021-12-07 @45 iounmap(mem->va);
285892a74f1370 Julien Massot 2021-12-07 46
285892a74f1370 Julien Massot 2021-12-07 47 return 0;
285892a74f1370 Julien Massot 2021-12-07 48 }
285892a74f1370 Julien Massot 2021-12-07 49
:::::: The code at line 45 was first introduced by commit
:::::: 285892a74f1370a12249f765c6a4e3b16194852e remoteproc: Add Renesas rcar driver
:::::: TO: Julien Massot <julien.massot@....bzh>
:::::: CC: Mathieu Poirier <mathieu.poirier@...aro.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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