Re: [PATCH 2/2] mtd: rawnand: nuvoton: add new driver for the Nuvoton MA35 SoC

Hi Hui-Ping,

kernel test robot noticed the following build warnings:

[auto build test WARNING on mtd/nand/next]
[also build test WARNING on linus/master v6.11-rc3 next-20240813]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Hui-Ping-Chen/dt-bindings-mtd-nuvoton-ma35d1-nand-add-new-bindings/20240812-110259
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next
patch link:    https://lore.kernel.org/r/20240812030045.20831-3-hpchen0nvt%40gmail.com
patch subject: [PATCH 2/2] mtd: rawnand: nuvoton: add new driver for the Nuvoton MA35 SoC
config: arc-randconfig-r133-20240813 (https://download.01.org/0day-ci/archive/20240814/202408140515.pbHkvxZD-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240814/202408140515.pbHkvxZD-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 [off-list ref]
| Closes: https://lore.kernel.org/oe-kbuild-all/202408140515.pbHkvxZD-lkp@intel.com/ (local)

sparse warnings: (new ones prefixed by >>)

quoted

drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:119:3: sparse: sparse: symbol 'E_BCHALGORITHM' was not declared. Should it be static?
drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:333:28: sparse: sparse: cast removes address space '__iomem' of expression

   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:348:39: sparse: sparse: cast removes address space '__iomem' of expression

quoted

drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:746:41: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected char *register ptr @@     got void [noderef] __iomem * @@

   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:746:41: sparse:     expected char *register ptr
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:746:41: sparse:     got void [noderef] __iomem *
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:760:18: sparse: sparse: cast removes address space '__iomem' of expression

quoted

drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:774:32: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected char *ptr @@     got void [noderef] __iomem * @@

   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:774:32: sparse:     expected char *ptr
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:774:32: sparse:     got void [noderef] __iomem *
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:813:32: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected char *ptr @@     got void [noderef] __iomem * @@
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:813:32: sparse:     expected char *ptr
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:813:32: sparse:     got void [noderef] __iomem *
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:516:49: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected char *register ptr @@     got void [noderef] __iomem * @@
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:516:49: sparse:     expected char *register ptr
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:516:49: sparse:     got void [noderef] __iomem *
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:516:49: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected char *register ptr @@     got void [noderef] __iomem * @@
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:516:49: sparse:     expected char *register ptr
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:516:49: sparse:     got void [noderef] __iomem *
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:516:49: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected char *register ptr @@     got void [noderef] __iomem * @@
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:516:49: sparse:     expected char *register ptr
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:516:49: sparse:     got void [noderef] __iomem *
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:516:49: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected char *register ptr @@     got void [noderef] __iomem * @@
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:516:49: sparse:     expected char *register ptr
   drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c:516:49: sparse:     got void [noderef] __iomem *

vim +/E_BCHALGORITHM +119 drivers/mtd/nand/raw/nuvoton_ma35d1_nand.c

   111	
   112	/* BCH algorithm related constants and variables */
   113	enum {
   114		eBCH_NONE = 0,
   115		eBCH_T8,
   116		eBCH_T12,
   117		eBCH_T24,
   118		eBCH_CNT
 > 119	} E_BCHALGORITHM;
   120	

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