[linux-next:master 11548/13643] drivers/dma/fsl-edma-main.c:61:16: sparse: sparse: cast removes address space '__iomem' of expression

[linux-next:master 11548/13643] drivers/dma/fsl-edma-main.c:61:16: sparse: sparse: cast removes address space '__iomem' of expression

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   a47fc304d2b678db1a5d760a7d644dac9b067752
commit: 72f5801a4e2b7122ed8ff5672ea965a0b3458e6b [11548/13643] dmaengine: fsl-edma: integrate v3 support
config: i386-randconfig-061-20230901 (https://download.01.org/0day-ci/archive/20230901/202309011955.2X7I4ybQ-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230901/202309011955.2X7I4ybQ-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/202309011955.2X7I4ybQ-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/dma/fsl-edma-main.c:61:16: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-main.c:65:9: sparse: sparse: cast removes address space '__iomem' of expression
--
>> drivers/dma/fsl-edma-common.c:76:15: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:93:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:96:17: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:98:15: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:100:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:125:19: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:131:17: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/dma/fsl-edma-common.c:134:9: sparse: sparse: cast removes address space '__iomem' of expression

vim +/__iomem +61 drivers/dma/fsl-edma-main.c

    55	
    56	static irqreturn_t fsl_edma3_tx_handler(int irq, void *dev_id)
    57	{
    58		struct fsl_edma_chan *fsl_chan = dev_id;
    59		unsigned int intr;
    60	
  > 61		intr = edma_readl_chreg(fsl_chan, ch_int);
    62		if (!intr)
    63			return IRQ_HANDLED;
    64	
    65		edma_writel_chreg(fsl_chan, 1, ch_int);
    66	
    67		fsl_edma_tx_chan_handler(fsl_chan);
    68	
    69		return IRQ_HANDLED;
    70	}
    71	

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