Re: [PATCH v3 1/1] drm/lsdc: add drm driver for loongson display controller

[kernel test robot <lkp@intel.com>]

[-- Attachment #1: Type: text/plain, Size: 2559 bytes --]

Hi Sui,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on drm/drm-next]
[also build test WARNING on v5.17-rc2 next-20220128]
[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]

url:    https://github.com/0day-ci/linux/commits/Sui-Jingfeng/drm-lsdc-add-drm-driver-for-loongson-display-controller/20220131-043734
base:   git://anongit.freedesktop.org/drm/drm drm-next
config: parisc-randconfig-s031-20220131 (https://download.01.org/0day-ci/archive/20220131/202201311300.pgcsprIS-lkp(a)intel.com/config)
compiler: hppa-linux-gcc (GCC) 11.2.0
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-dirty
        # https://github.com/0day-ci/linux/commit/219048b8904ab97749c0bc3ea426b858d9562de0
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Sui-Jingfeng/drm-lsdc-add-drm-driver-for-loongson-display-controller/20220131-043734
        git checkout 219048b8904ab97749c0bc3ea426b858d9562de0
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=parisc SHELL=/bin/bash drivers/gpu/drm/lsdc/

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/gpu/drm/lsdc/lsdc_pll.c:190:9: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/gpu/drm/lsdc/lsdc_pll.c:404:34: sparse: sparse: shift too big (42) for type long
>> drivers/gpu/drm/lsdc/lsdc_pll.c:405:47: sparse: sparse: shift too big (32) for type unsigned long

vim +/__iomem +190 drivers/gpu/drm/lsdc/lsdc_pll.c

   184	
   185	
   186	static int lsdc_pixpll_setup(struct lsdc_pll * const this)
   187	{
   188		this->mmio = ioremap(this->reg_base, this->reg_size);
   189	
 > 190		drm_info(this->ddev, "PIXPLL%u REG[%x, %u] map to %llx\n",
   191			this->index, this->reg_base, this->reg_size, (u64)this->mmio);
   192	
   193		return 0;
   194	}
   195	

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