Hi Oliver, I love your patch! Perhaps something to improve: [auto build test WARNING on media-tree/master] [also build test WARNING on v5.18-rc6] [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/intel-lab-lkp/linux/commits/Oliver-Neukum/imon_raw-respect-DMA-coherency/20220512-210422 base: git://linuxtv.org/media_tree.git master config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20220513/202205130246.Kh3xxrsg-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/5e1a1b1e9c8288033f5f1f1d70a3d7506114fad3 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Oliver-Neukum/imon_raw-respect-DMA-coherency/20220512-210422 git checkout 5e1a1b1e9c8288033f5f1f1d70a3d7506114fad3 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/media/rc/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from include/linux/swab.h:5, from include/uapi/linux/byteorder/little_endian.h:14, from include/linux/byteorder/little_endian.h:5, from arch/arm/include/uapi/asm/byteorder.h:22, from include/asm-generic/bitops/le.h:6, from arch/arm/include/asm/bitops.h:267, from include/linux/bitops.h:33, from include/linux/log2.h:12, from include/asm-generic/div64.h:55, from arch/arm/include/asm/div64.h:107, from include/linux/math.h:6, from include/linux/math64.h:6, from include/linux/time.h:6, from include/linux/stat.h:19, from include/linux/module.h:13, from drivers/media/rc/imon_raw.c:5: drivers/media/rc/imon_raw.c: In function 'imon_ir_data': >> include/uapi/linux/byteorder/little_endian.h:39:50: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 39 | #define __be64_to_cpu(x) __swab64((__force __u64)(__be64)(x)) | ^ include/uapi/linux/swab.h:128:54: note: in definition of macro '__swab64' 128 | #define __swab64(x) (__u64)__builtin_bswap64((__u64)(x)) | ^ include/linux/byteorder/generic.h:93:21: note: in expansion of macro '__be64_to_cpu' 93 | #define be64_to_cpu __be64_to_cpu | ^~~~~~~~~~~~~ drivers/media/rc/imon_raw.c:32:20: note: in expansion of macro 'be64_to_cpu' 32 | u64 data = be64_to_cpu(imon->ir_buf); | ^~~~~~~~~~~ vim +39 include/uapi/linux/byteorder/little_endian.h 5921e6f8809b16 David Howells 2012-10-13 15 5921e6f8809b16 David Howells 2012-10-13 16 #define __constant_htonl(x) ((__force __be32)___constant_swab32((x))) 5921e6f8809b16 David Howells 2012-10-13 17 #define __constant_ntohl(x) ___constant_swab32((__force __be32)(x)) 5921e6f8809b16 David Howells 2012-10-13 18 #define __constant_htons(x) ((__force __be16)___constant_swab16((x))) 5921e6f8809b16 David Howells 2012-10-13 19 #define __constant_ntohs(x) ___constant_swab16((__force __be16)(x)) 5921e6f8809b16 David Howells 2012-10-13 20 #define __constant_cpu_to_le64(x) ((__force __le64)(__u64)(x)) 5921e6f8809b16 David Howells 2012-10-13 21 #define __constant_le64_to_cpu(x) ((__force __u64)(__le64)(x)) 5921e6f8809b16 David Howells 2012-10-13 22 #define __constant_cpu_to_le32(x) ((__force __le32)(__u32)(x)) 5921e6f8809b16 David Howells 2012-10-13 23 #define __constant_le32_to_cpu(x) ((__force __u32)(__le32)(x)) 5921e6f8809b16 David Howells 2012-10-13 24 #define __constant_cpu_to_le16(x) ((__force __le16)(__u16)(x)) 5921e6f8809b16 David Howells 2012-10-13 25 #define __constant_le16_to_cpu(x) ((__force __u16)(__le16)(x)) 5921e6f8809b16 David Howells 2012-10-13 26 #define __constant_cpu_to_be64(x) ((__force __be64)___constant_swab64((x))) 5921e6f8809b16 David Howells 2012-10-13 27 #define __constant_be64_to_cpu(x) ___constant_swab64((__force __u64)(__be64)(x)) 5921e6f8809b16 David Howells 2012-10-13 28 #define __constant_cpu_to_be32(x) ((__force __be32)___constant_swab32((x))) 5921e6f8809b16 David Howells 2012-10-13 29 #define __constant_be32_to_cpu(x) ___constant_swab32((__force __u32)(__be32)(x)) 5921e6f8809b16 David Howells 2012-10-13 30 #define __constant_cpu_to_be16(x) ((__force __be16)___constant_swab16((x))) 5921e6f8809b16 David Howells 2012-10-13 31 #define __constant_be16_to_cpu(x) ___constant_swab16((__force __u16)(__be16)(x)) 5921e6f8809b16 David Howells 2012-10-13 32 #define __cpu_to_le64(x) ((__force __le64)(__u64)(x)) 5921e6f8809b16 David Howells 2012-10-13 33 #define __le64_to_cpu(x) ((__force __u64)(__le64)(x)) 5921e6f8809b16 David Howells 2012-10-13 34 #define __cpu_to_le32(x) ((__force __le32)(__u32)(x)) 5921e6f8809b16 David Howells 2012-10-13 35 #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) 5921e6f8809b16 David Howells 2012-10-13 36 #define __cpu_to_le16(x) ((__force __le16)(__u16)(x)) 5921e6f8809b16 David Howells 2012-10-13 37 #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) 5921e6f8809b16 David Howells 2012-10-13 38 #define __cpu_to_be64(x) ((__force __be64)__swab64((x))) 5921e6f8809b16 David Howells 2012-10-13 @39 #define __be64_to_cpu(x) __swab64((__force __u64)(__be64)(x)) 5921e6f8809b16 David Howells 2012-10-13 40 #define __cpu_to_be32(x) ((__force __be32)__swab32((x))) 5921e6f8809b16 David Howells 2012-10-13 41 #define __be32_to_cpu(x) __swab32((__force __u32)(__be32)(x)) 5921e6f8809b16 David Howells 2012-10-13 42 #define __cpu_to_be16(x) ((__force __be16)__swab16((x))) 5921e6f8809b16 David Howells 2012-10-13 43 #define __be16_to_cpu(x) __swab16((__force __u16)(__be16)(x)) 5921e6f8809b16 David Howells 2012-10-13 44 -- 0-DAY CI Kernel Test Service https://01.org/lkp
