[kbuild-all] [monstr-microblaze:master-next-test 37/84] drivers/clk/clk-xlnx-clock-wizard.c:125:43: sparse: sparse: cast removes address space '<asn:2>' of expression

tree: git://git.monstr.eu/linux-2.6-microblaze master-next-test head: 851bfc6a2e2551b819a7f0d8791ea0a0cce089bf commit: 060ba9cd02a160888fe34a4f0b97e5933ceeb2b0 [37/84] clk: clocking-wizard: Move clocking wizard out of staging area config: i386-randconfig-s002-20200921 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-201-g24bdaac6-dirty git checkout 060ba9cd02a160888fe34a4f0b97e5933ceeb2b0 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/clk/clk-xlnx-clock-wizard.c:144:43: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/clk/clk-xlnx-clock-wizard.c:225:43: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/clk/clk-xlnx-clock-wizard.c:244:43: sparse: sparse: cast removes address space '<asn:2>' of expression In file included from include/linux/clk-provider.h:15, from drivers/clk/clk-xlnx-clock-wizard.c:12: include/linux/of.h: In function '__of_changeset_add_update_property_stringv': include/linux/of.h:1542:2: warning: function '__of_changeset_add_update_property_stringv' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 1542 | str = kvasprintf(GFP_KERNEL, fmt, vargs); | ^~~ drivers/clk/clk-xlnx-clock-wizard.c: In function 'clk_wzrd_recalc_rate': drivers/clk/clk-xlnx-clock-wizard.c:125:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 125 | (void __iomem *)((u64)divider->base + divider->offset); | ^ drivers/clk/clk-xlnx-clock-wizard.c:125:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 125 | (void __iomem *)((u64)divider->base + divider->offset); | ^ drivers/clk/clk-xlnx-clock-wizard.c: In function 'clk_wzrd_dynamic_reconfig': drivers/clk/clk-xlnx-clock-wizard.c:144:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 144 | (void __iomem *)((u64)divider->base + divider->offset); | ^ drivers/clk/clk-xlnx-clock-wizard.c:144:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 144 | (void __iomem *)((u64)divider->base + divider->offset); | ^ drivers/clk/clk-xlnx-clock-wizard.c: In function 'clk_wzrd_recalc_ratef': drivers/clk/clk-xlnx-clock-wizard.c:225:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 225 | (void __iomem *)((u64)divider->base + divider->offset); | ^ drivers/clk/clk-xlnx-clock-wizard.c:225:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 225 | (void __iomem *)((u64)divider->base + divider->offset); | ^ drivers/clk/clk-xlnx-clock-wizard.c: In function 'clk_wzrd_dynamic_reconfig_f': drivers/clk/clk-xlnx-clock-wizard.c:244:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 244 | (void __iomem *)((u64)divider->base + divider->offset); | ^ drivers/clk/clk-xlnx-clock-wizard.c:244:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 244 | (void __iomem *)((u64)divider->base + divider->offset); | ^ git remote add monstr-microblaze git://git.monstr.eu/linux-2.6-microblaze git fetch --no-tags monstr-microblaze master-next-test git checkout 060ba9cd02a160888fe34a4f0b97e5933ceeb2b0 vim +125 drivers/clk/clk-xlnx-clock-wizard.c 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 119 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 120 static unsigned long clk_wzrd_recalc_rate(struct clk_hw *hw, 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 121 unsigned long parent_rate) 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 122 { 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 123 struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw); 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 124 void __iomem *div_addr = 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 @125 (void __iomem *)((u64)divider->base + divider->offset); 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 126 unsigned int val; 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 127 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 128 val = readl(div_addr) >> divider->shift; 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 129 val &= div_mask(divider->width); 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 130 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 131 return divider_recalc_rate(hw, parent_rate, val, divider->table, 26a8a4d03250e9f drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Michal Simek 2018-11-27 132 divider->flags, divider->width); 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 133 } 74788b36bff8a38 drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c Chirag Parekh 2018-09-10 134 :::::: The code at line 125 was first introduced by commit :::::: 74788b36bff8a38bd9070823a3e5e03dcb77c99c staging: clocking-wizard: Add support for dynamic reconfiguration :::::: TO: Chirag Parekh <chirag.parekh(a)xilinx.com&gt; :::::: CC: Michal Simek <michal.simek(a)xilinx.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org