[kbuild-all] [xlnx:master 59/60] drivers/clk/clk-xlnx-clock-wizard-v.c:119:43: sparse: sparse: cast removes address space '<asn:2>' of expression

Hi Vishal, First bad commit (maybe != root cause): tree: https://github.com/Xilinx/linux-xlnx master head: 043f8a226a752a1dd11f7ff64cee6dbe7334d394 commit: c0b33b8ccd38096c815f2dd39746044d0aa079d3 [59/60] staging: xlnxsync: Fix the uapi header license config: h8300-randconfig-s031-20210209 (attached as .config) compiler: h8300-linux-gcc (GCC) 9.3.0 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: v0.6.3-215-g0fb77bb6-dirty # https://github.com/Xilinx/linux-xlnx/commit/c0b33b8ccd38096c815f2dd397460... git remote add xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xlnx master git checkout c0b33b8ccd38096c815f2dd39746044d0aa079d3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=h8300 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-v.c:149:43: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h): include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through include/linux/io.h): arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h): include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through include/linux/io.h): arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h): include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through include/linux/io.h): arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h): include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through include/linux/io.h): arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h): include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through include/linux/io.h): arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h): include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through include/linux/io.h): arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h): include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] b @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:225:22: sparse: expected unsigned int [usertype] b include/asm-generic/io.h:225:22: sparse: got restricted __le32 [usertype] drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through include/linux/io.h): arch/h8300/include/asm/io.h:44:11: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h): include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] b @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:225:22: sparse: expected unsigned int [usertype] b include/asm-generic/io.h:225:22: sparse: got restricted __le32 [usertype] drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through include/linux/io.h): arch/h8300/include/asm/io.h:44:11: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h): include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through include/linux/io.h): arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h): include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] b @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:225:22: sparse: expected unsigned int [usertype] b include/asm-generic/io.h:225:22: sparse: got restricted __le32 [usertype] drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through include/linux/io.h): arch/h8300/include/asm/io.h:44:11: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h): include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through include/linux/io.h): arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/clk/clk-xlnx-clock-wizard-v.c: note: in included file (through arch/h8300/include/asm/io.h, include/linux/io.h): vim +119 drivers/clk/clk-xlnx-clock-wizard-v.c a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 113 a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 114 static unsigned long clk_wzrd_recalc_rate(struct clk_hw *hw, a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 115 unsigned long parent_rate) a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 116 { a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 117 struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw); a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 118 void __iomem *div_addr = a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 @119 (void __iomem *)((u64)divider->base + divider->offset); a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 120 unsigned int vall, valh; a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 121 u32 div; a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 122 u32 p5en, edge, prediv2; a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 123 u32 all; a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 124 a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 125 edge = !!(readl(div_addr) & BIT(8)); a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 126 p5en = !!(readl(div_addr) & BIT(13)); a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 127 prediv2 = !!(readl(div_addr) & BIT(11)); a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 128 vall = readl(div_addr + 4) & 0xff; a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 129 valh = readl(div_addr + 4) >> 8; a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 130 all = valh + vall + edge; a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 131 if (!all) a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 132 all = 1; a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 133 div = (prediv2 + 1) * (all + (prediv2 * p5en) / 2); a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 134 return DIV_ROUND_UP_ULL((u64)parent_rate, div); a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 135 } a7f1c7dfe2600b Shubhrajyoti Datta 2020-03-31 136 :::::: The code at line 119 was first introduced by commit :::::: a7f1c7dfe2600b52aaec17d35e0a4c75d4102930 clocking-wizard: Add versal clocking wizard support :::::: TO: Shubhrajyoti Datta <shubhrajyoti.datta(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