Hi Thorsten, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.11-rc3 next-20240816] [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/Thorsten-Blum/mmc-mtk-sd-Improve-data-type-in-msdc_timeout_cal/20240816-102400 base: linus/master patch link: https://lore.kernel.org/r/20240815234602.59684-1-thorsten.blum%40toblux.com patch subject: [PATCH] mmc: mtk-sd: Improve data type in msdc_timeout_cal() config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240817/202408171942.A1TKwW7h-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 26670e7fa4f032a019d23d56c6a02926e854e8af) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240817/202408171942.A1TKwW7h-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408171942.A1TKwW7h-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): In file included from drivers/mmc/host/mtk-sd.c:11: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:2228: include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from drivers/mmc/host/mtk-sd.c:11: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from drivers/mmc/host/mtk-sd.c:11: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from drivers/mmc/host/mtk-sd.c:11: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/hexagon/include/asm/io.h:328: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ >> drivers/mmc/host/mtk-sd.c:805:3: warning: comparison of distinct pointer types ('typeof ((clk_ns)) *' (aka 'unsigned int *') and 'uint64_t *' (aka 'unsigned long long *')) [-Wcompare-distinct-pointer-types] 805 | do_div(clk_ns, mmc->actual_clock); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:222:28: note: expanded from macro 'do_div' 222 | (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ | ~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~ >> drivers/mmc/host/mtk-sd.c:805:3: error: incompatible pointer types passing 'u32 *' (aka 'unsigned int *') to parameter of type 'uint64_t *' (aka 'unsigned long long *') [-Werror,-Wincompatible-pointer-types] 805 | do_div(clk_ns, mmc->actual_clock); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:238:22: note: expanded from macro 'do_div' 238 | __rem = __div64_32(&(n), __base); \ | ^~~~ include/asm-generic/div64.h:213:38: note: passing argument to parameter 'dividend' here 213 | extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor); | ^ >> drivers/mmc/host/mtk-sd.c:805:3: warning: shift count >= width of type [-Wshift-count-overflow] 805 | do_div(clk_ns, mmc->actual_clock); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/div64.h:234:25: note: expanded from macro 'do_div' 234 | } else if (likely(((n) >> 32) == 0)) { \ | ^ ~~ include/linux/compiler.h:76:40: note: expanded from macro 'likely' 76 | # define likely(x) __builtin_expect(!!(x), 1) | ^ 9 warnings and 1 error generated. vim +805 drivers/mmc/host/mtk-sd.c 208489032bdd8d Chaotian Jing 2015-06-15 794 557011b6b8c87c Chun-Hung Wu 2020-07-20 795 static u64 msdc_timeout_cal(struct msdc_host *host, u64 ns, u64 clks) 208489032bdd8d Chaotian Jing 2015-06-15 796 { 0caf60c4b110b5 Amey Narkhede 2020-09-18 797 struct mmc_host *mmc = mmc_from_priv(host); d5c9ac0e2eb203 Thorsten Blum 2024-08-16 798 u64 timeout; d5c9ac0e2eb203 Thorsten Blum 2024-08-16 799 u32 clk_ns, mode = 0; 208489032bdd8d Chaotian Jing 2015-06-15 800 0caf60c4b110b5 Amey Narkhede 2020-09-18 801 if (mmc->actual_clock == 0) { 208489032bdd8d Chaotian Jing 2015-06-15 802 timeout = 0; 208489032bdd8d Chaotian Jing 2015-06-15 803 } else { d5c9ac0e2eb203 Thorsten Blum 2024-08-16 804 clk_ns = 1000000000U; 0caf60c4b110b5 Amey Narkhede 2020-09-18 @805 do_div(clk_ns, mmc->actual_clock); 557011b6b8c87c Chun-Hung Wu 2020-07-20 806 timeout = ns + clk_ns - 1; 557011b6b8c87c Chun-Hung Wu 2020-07-20 807 do_div(timeout, clk_ns); 557011b6b8c87c Chun-Hung Wu 2020-07-20 808 timeout += clks; 208489032bdd8d Chaotian Jing 2015-06-15 809 /* in 1048576 sclk cycle unit */ 4fe54318496004 AngeloGioacchino Del Regno 2021-12-16 810 timeout = DIV_ROUND_UP(timeout, BIT(20)); 762d491a8bff7a Chaotian Jing 2017-10-16 811 if (host->dev_comp->clk_div_bits == 8) 762d491a8bff7a Chaotian Jing 2017-10-16 812 sdr_get_field(host->base + MSDC_CFG, 762d491a8bff7a Chaotian Jing 2017-10-16 813 MSDC_CFG_CKMOD, &mode); 762d491a8bff7a Chaotian Jing 2017-10-16 814 else 762d491a8bff7a Chaotian Jing 2017-10-16 815 sdr_get_field(host->base + MSDC_CFG, 762d491a8bff7a Chaotian Jing 2017-10-16 816 MSDC_CFG_CKMOD_EXTRA, &mode); 208489032bdd8d Chaotian Jing 2015-06-15 817 /*DDR mode will double the clk cycles for data timeout */ 208489032bdd8d Chaotian Jing 2015-06-15 818 timeout = mode >= 2 ? timeout * 2 : timeout; 208489032bdd8d Chaotian Jing 2015-06-15 819 timeout = timeout > 1 ? timeout - 1 : 0; 208489032bdd8d Chaotian Jing 2015-06-15 820 } 557011b6b8c87c Chun-Hung Wu 2020-07-20 821 return timeout; 557011b6b8c87c Chun-Hung Wu 2020-07-20 822 } 557011b6b8c87c Chun-Hung Wu 2020-07-20 823 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
