[PATCH v4 2/3] pinctrl: cix: Add pin-controller support for sky1

[kernel test robot]

Hi Gary,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linusw-pinctrl/devel]
[also build test WARNING on linusw-pinctrl/for-next robh/for-next linus/master v6.18-rc1 next-20251017]
[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/Gary-Yang/dt-bindings-pinctrl-Add-cix-sky1-pinctrl/20251017-155001
base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
patch link:    https://lore.kernel.org/r/20251017074646.3344924-3-gary.yang%40cixtech.com
patch subject: [PATCH v4 2/3] pinctrl: cix: Add pin-controller support for sky1
config: nios2-randconfig-r121-20251018 (https://download.01.org/0day-ci/archive/20251018/202510181916.q32y7Jel-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 9.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251018/202510181916.q32y7Jel-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202510181916.q32y7Jel-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/pinctrl/cix/pinctrl-sky1-base.c:289:17: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected unsigned int [usertype] *pin_reg @@     got void [noderef] __iomem * @@
   drivers/pinctrl/cix/pinctrl-sky1-base.c:289:17: sparse:     expected unsigned int [usertype] *pin_reg
   drivers/pinctrl/cix/pinctrl-sky1-base.c:289:17: sparse:     got void [noderef] __iomem *
>> drivers/pinctrl/cix/pinctrl-sky1-base.c:290:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *addr @@     got unsigned int [usertype] *pin_reg @@
   drivers/pinctrl/cix/pinctrl-sky1-base.c:290:25: sparse:     expected void const volatile [noderef] __iomem *addr
   drivers/pinctrl/cix/pinctrl-sky1-base.c:290:25: sparse:     got unsigned int [usertype] *pin_reg
>> drivers/pinctrl/cix/pinctrl-sky1-base.c:293:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *addr @@     got unsigned int [usertype] *pin_reg @@
   drivers/pinctrl/cix/pinctrl-sky1-base.c:293:25: sparse:     expected void volatile [noderef] __iomem *addr
   drivers/pinctrl/cix/pinctrl-sky1-base.c:293:25: sparse:     got unsigned int [usertype] *pin_reg
   drivers/pinctrl/cix/pinctrl-sky1-base.c:358:17: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected unsigned int [usertype] *pin_reg @@     got void [noderef] __iomem * @@
   drivers/pinctrl/cix/pinctrl-sky1-base.c:358:17: sparse:     expected unsigned int [usertype] *pin_reg
   drivers/pinctrl/cix/pinctrl-sky1-base.c:358:17: sparse:     got void [noderef] __iomem *
   drivers/pinctrl/cix/pinctrl-sky1-base.c:359:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *addr @@     got unsigned int [usertype] *pin_reg @@
   drivers/pinctrl/cix/pinctrl-sky1-base.c:359:25: sparse:     expected void const volatile [noderef] __iomem *addr
   drivers/pinctrl/cix/pinctrl-sky1-base.c:359:25: sparse:     got unsigned int [usertype] *pin_reg
   drivers/pinctrl/cix/pinctrl-sky1-base.c:372:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *addr @@     got unsigned int [usertype] *pin_reg @@
   drivers/pinctrl/cix/pinctrl-sky1-base.c:372:25: sparse:     expected void volatile [noderef] __iomem *addr
   drivers/pinctrl/cix/pinctrl-sky1-base.c:372:25: sparse:     got unsigned int [usertype] *pin_reg
   drivers/pinctrl/cix/pinctrl-sky1-base.c:398:17: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected unsigned int [usertype] *pin_reg @@     got void [noderef] __iomem * @@
   drivers/pinctrl/cix/pinctrl-sky1-base.c:398:17: sparse:     expected unsigned int [usertype] *pin_reg
   drivers/pinctrl/cix/pinctrl-sky1-base.c:398:17: sparse:     got void [noderef] __iomem *
   drivers/pinctrl/cix/pinctrl-sky1-base.c:399:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *addr @@     got unsigned int [usertype] *pin_reg @@
   drivers/pinctrl/cix/pinctrl-sky1-base.c:399:25: sparse:     expected void const volatile [noderef] __iomem *addr
   drivers/pinctrl/cix/pinctrl-sky1-base.c:399:25: sparse:     got unsigned int [usertype] *pin_reg
   drivers/pinctrl/cix/pinctrl-sky1-base.c:403:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *addr @@     got unsigned int [usertype] *pin_reg @@
   drivers/pinctrl/cix/pinctrl-sky1-base.c:403:25: sparse:     expected void volatile [noderef] __iomem *addr
   drivers/pinctrl/cix/pinctrl-sky1-base.c:403:25: sparse:     got unsigned int [usertype] *pin_reg

vim +289 drivers/pinctrl/cix/pinctrl-sky1-base.c

   282	
   283	static int sky1_pmx_set_one_pin(struct sky1_pinctrl *spctl,
   284					    unsigned int pin, unsigned char muxval)
   285	{
   286		u32 reg_val;
   287		u32 *pin_reg;
   288	
 > 289		pin_reg = spctl->base + pin * SKY1_PIN_SIZE;
 > 290		reg_val = readl(pin_reg);
   291		reg_val &= ~SKY1_MUX_MASK;
   292		reg_val |= muxval << SKY1_MUX_SHIFT;
 > 293		writel(reg_val, pin_reg);
   294	
   295		dev_dbg(spctl->dev, "write: offset 0x%x val 0x%x\n",
   296			pin * SKY1_PIN_SIZE, reg_val);
   297		return 0;
   298	}
   299	

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