[xlnx:xlnx_rebase_v5.10 1018/1760] drivers/clk/clk-xlnx-clock-wizard-v.c:119:21: warning: cast from pointer to integer of different size

kernel test robot lkp at intel.com
Wed Aug 11 20:45:09 PDT 2021


tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.10
head:   bf98c1493fb23bfd7e2678498b7e337ce2cd1d53
commit: 81494997bdd4943edc98a4d7689dd28db2960307 [1018/1760] clocking-wizard: Add versal clocking wizard support
config: i386-randconfig-r013-20210812 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/Xilinx/linux-xlnx/commit/81494997bdd4943edc98a4d7689dd28db2960307
        git remote add xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xlnx xlnx_rebase_v5.10
        git checkout 81494997bdd4943edc98a4d7689dd28db2960307
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

   drivers/clk/clk-xlnx-clock-wizard-v.c: In function 'clk_wzrd_recalc_rate':
>> drivers/clk/clk-xlnx-clock-wizard-v.c:119:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     119 |    (void __iomem *)((u64)divider->base + divider->offset);
         |                     ^
>> drivers/clk/clk-xlnx-clock-wizard-v.c:119:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     119 |    (void __iomem *)((u64)divider->base + divider->offset);
         |    ^
   drivers/clk/clk-xlnx-clock-wizard-v.c: In function 'clk_wzrd_dynamic_reconfig':
   drivers/clk/clk-xlnx-clock-wizard-v.c:149:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     149 |    (void __iomem *)((u64)divider->base + divider->offset);
         |                     ^
   drivers/clk/clk-xlnx-clock-wizard-v.c:149:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     149 |    (void __iomem *)((u64)divider->base + divider->offset);
         |    ^


vim +119 drivers/clk/clk-xlnx-clock-wizard-v.c

   113	
   114	static unsigned long clk_wzrd_recalc_rate(struct clk_hw *hw,
   115						  unsigned long parent_rate)
   116	{
   117		struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw);
   118		void __iomem *div_addr =
 > 119				(void __iomem *)((u64)divider->base + divider->offset);
   120		unsigned int vall, valh;
   121		u32 div;
   122		u32 p5en, edge, prediv2;
   123		u32 all;
   124	
   125		edge = !!(readl(div_addr) & BIT(8));
   126		p5en = !!(readl(div_addr) & BIT(13));
   127		prediv2 = !!(readl(div_addr) & BIT(11));
   128		vall = readl(div_addr + 4) & 0xff;
   129		valh = readl(div_addr + 4) >> 8;
   130		all = valh + vall + edge;
   131		if (!all)
   132			all = 1;
   133		div = (prediv2 + 1) * (all + (prediv2 * p5en) / 2);
   134		return  DIV_ROUND_UP_ULL((u64)parent_rate, div);
   135	}
   136	

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