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From: kernel test robot <lkp@intel.com>
To: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org
Subject: drivers/dma/sun6i-dma.c:244:45: sparse: sparse: incorrect type in argument 1 (different address spaces)
Date: Tue, 25 Aug 2020 03:12:34 +0800	[thread overview]
Message-ID: <202008250327.NLZAd8gs%lkp@intel.com> (raw)

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d012a7190fc1fd72ed48911e77ca97ba4521bccd
commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces
date:   10 weeks ago
config: m68k-randconfig-s031-20200824 (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
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: v0.6.2-191-g10164920-dirty
        git checkout 670d0a4b10704667765f7d18f7592993d02783aa
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=m68k 

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/dma/sun6i-dma.c:297:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:302:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:348:15: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:349:17: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:455:19: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:459:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:461:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:462:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:544:26: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:551:17: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:848:17: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:871:17: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:911:17: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:912:17: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:228:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:228:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:228:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:228:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:228:9: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/dma/sun6i-dma.c:244:45: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *address @@     got void [noderef] __iomem *base @@
   drivers/dma/sun6i-dma.c:244:45: sparse:     expected void *address
   drivers/dma/sun6i-dma.c:244:45: sparse:     got void [noderef] __iomem *base
   drivers/dma/sun6i-dma.c:246:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:246:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:246:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:246:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:246:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:246:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:246:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:246:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:1029:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:1030:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:1029:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/sun6i-dma.c:1030:9: sparse: sparse: cast removes address space '__iomem' of expression

# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=670d0a4b10704667765f7d18f7592993d02783aa
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 670d0a4b10704667765f7d18f7592993d02783aa
vim +244 drivers/dma/sun6i-dma.c

555859308723d8 Maxime Ripard 2014-07-17  240  
555859308723d8 Maxime Ripard 2014-07-17  241  static inline void sun6i_dma_dump_chan_regs(struct sun6i_dma_dev *sdev,
555859308723d8 Maxime Ripard 2014-07-17  242  					    struct sun6i_pchan *pchan)
555859308723d8 Maxime Ripard 2014-07-17  243  {
42c0d54e623695 Vinod Koul    2014-07-28 @244  	phys_addr_t reg = virt_to_phys(pchan->base);
555859308723d8 Maxime Ripard 2014-07-17  245  
555859308723d8 Maxime Ripard 2014-07-17  246  	dev_dbg(sdev->slave.dev, "Chan %d reg: %pa\n"
555859308723d8 Maxime Ripard 2014-07-17  247  		"\t___en(%04x): \t0x%08x\n"
555859308723d8 Maxime Ripard 2014-07-17  248  		"\tpause(%04x): \t0x%08x\n"
555859308723d8 Maxime Ripard 2014-07-17  249  		"\tstart(%04x): \t0x%08x\n"
555859308723d8 Maxime Ripard 2014-07-17  250  		"\t__cfg(%04x): \t0x%08x\n"
555859308723d8 Maxime Ripard 2014-07-17  251  		"\t__src(%04x): \t0x%08x\n"
555859308723d8 Maxime Ripard 2014-07-17  252  		"\t__dst(%04x): \t0x%08x\n"
555859308723d8 Maxime Ripard 2014-07-17  253  		"\tcount(%04x): \t0x%08x\n"
555859308723d8 Maxime Ripard 2014-07-17  254  		"\t_para(%04x): \t0x%08x\n\n",
555859308723d8 Maxime Ripard 2014-07-17  255  		pchan->idx, &reg,
555859308723d8 Maxime Ripard 2014-07-17  256  		DMA_CHAN_ENABLE,
555859308723d8 Maxime Ripard 2014-07-17  257  		readl(pchan->base + DMA_CHAN_ENABLE),
555859308723d8 Maxime Ripard 2014-07-17  258  		DMA_CHAN_PAUSE,
555859308723d8 Maxime Ripard 2014-07-17  259  		readl(pchan->base + DMA_CHAN_PAUSE),
555859308723d8 Maxime Ripard 2014-07-17  260  		DMA_CHAN_LLI_ADDR,
555859308723d8 Maxime Ripard 2014-07-17  261  		readl(pchan->base + DMA_CHAN_LLI_ADDR),
555859308723d8 Maxime Ripard 2014-07-17  262  		DMA_CHAN_CUR_CFG,
555859308723d8 Maxime Ripard 2014-07-17  263  		readl(pchan->base + DMA_CHAN_CUR_CFG),
555859308723d8 Maxime Ripard 2014-07-17  264  		DMA_CHAN_CUR_SRC,
555859308723d8 Maxime Ripard 2014-07-17  265  		readl(pchan->base + DMA_CHAN_CUR_SRC),
555859308723d8 Maxime Ripard 2014-07-17  266  		DMA_CHAN_CUR_DST,
555859308723d8 Maxime Ripard 2014-07-17  267  		readl(pchan->base + DMA_CHAN_CUR_DST),
555859308723d8 Maxime Ripard 2014-07-17  268  		DMA_CHAN_CUR_CNT,
555859308723d8 Maxime Ripard 2014-07-17  269  		readl(pchan->base + DMA_CHAN_CUR_CNT),
555859308723d8 Maxime Ripard 2014-07-17  270  		DMA_CHAN_CUR_PARA,
555859308723d8 Maxime Ripard 2014-07-17  271  		readl(pchan->base + DMA_CHAN_CUR_PARA));
555859308723d8 Maxime Ripard 2014-07-17  272  }
555859308723d8 Maxime Ripard 2014-07-17  273  

:::::: The code at line 244 was first introduced by commit
:::::: 42c0d54e62369584f2491f072f405602ff504e0e dmaengine: sun6i: fix build failure on x86, xilinx targets

:::::: TO: Vinod Koul <vinod.koul@intel.com>
:::::: CC: Vinod Koul <vinod.koul@intel.com>

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

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             reply	other threads:[~2020-08-24 19:13 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-24 19:12 kernel test robot [this message]
  -- strict thread matches above, loose matches on Subject: below --
2022-01-01 14:27 drivers/dma/sun6i-dma.c:244:45: sparse: sparse: incorrect type in argument 1 (different address spaces) kernel test robot
2021-11-25 15:56 kernel test robot
2021-11-20  0:50 kernel test robot
2020-11-15  7:00 kernel test robot
2020-06-28  7:42 kernel test robot

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