Hi Kiran, kernel test robot noticed the following build warnings: [auto build test WARNING on bluetooth-next/master] [also build test WARNING on bluetooth/master linus/master v6.14-rc3 next-20250218] [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/Kiran-K/Bluetooth-btintel_pcie-Read-hardware-exception-data/20250218-202903 base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master patch link: https://lore.kernel.org/r/20250218122620.762523-1-kiran.k%40intel.com patch subject: [PATCH v1 1/4] Bluetooth: btintel_pcie: Setup buffers for firmware traces config: sparc-randconfig-002-20250218 (https://download.01.org/0day-ci/archive/20250219/202502190143.0LmI162j-lkp@xxxxxxxxx/config) compiler: sparc-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250219/202502190143.0LmI162j-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/202502190143.0LmI162j-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/bluetooth/btintel_pcie.c: In function 'btintel_pcie_setup_dbgc': >> drivers/bluetooth/btintel_pcie.c:134:72: warning: right shift count >= width of type [-Wshift-count-overflow] 134 | db_frag.bufs[i].buf_addr_msb = (u32)((buf->data_p_addr >> 32) & 0xffffffff); | ^~ vim +134 drivers/bluetooth/btintel_pcie.c 90 91 /* This function initializes the memory for DBGC buffers and formats the 92 * DBGC fragment which consists header info and DBGC buffer's LSB, MSB and 93 * size as the payload 94 */ 95 static int btintel_pcie_setup_dbgc(struct btintel_pcie_data *data) 96 { 97 struct btintel_pcie_dbgc_ctxt db_frag; 98 struct data_buf *buf; 99 int i; 100 101 data->dbgc.count = BTINTEL_PCIE_DBGC_BUFFER_COUNT; 102 data->dbgc.bufs = devm_kcalloc(&data->pdev->dev, data->dbgc.count, 103 sizeof(*buf), GFP_KERNEL); 104 if (!data->dbgc.bufs) 105 return -ENOMEM; 106 107 data->dbgc.buf_v_addr = dmam_alloc_coherent(&data->pdev->dev, 108 data->dbgc.count * 109 BTINTEL_PCIE_DBGC_BUFFER_SIZE, 110 &data->dbgc.buf_p_addr, 111 GFP_KERNEL | __GFP_NOWARN); 112 if (!data->dbgc.buf_v_addr) 113 return -ENOMEM; 114 115 data->dbgc.frag_v_addr = dmam_alloc_coherent(&data->pdev->dev, 116 sizeof(struct btintel_pcie_dbgc_ctxt), 117 &data->dbgc.frag_p_addr, 118 GFP_KERNEL | __GFP_NOWARN); 119 if (!data->dbgc.frag_v_addr) 120 return -ENOMEM; 121 122 data->dbgc.frag_size = sizeof(struct btintel_pcie_dbgc_ctxt); 123 124 db_frag.magic_num = BTINTEL_PCIE_MAGIC_NUM; 125 db_frag.ver = BTINTEL_PCIE_DBGC_FRAG_VERSION; 126 db_frag.total_size = BTINTEL_PCIE_DBGC_FRAG_PAYLOAD_SIZE; 127 db_frag.num_buf = BTINTEL_PCIE_DBGC_FRAG_BUFFER_COUNT; 128 129 for (i = 0; i < data->dbgc.count; i++) { 130 buf = &data->dbgc.bufs[i]; 131 buf->data_p_addr = data->dbgc.buf_p_addr + i * BTINTEL_PCIE_DBGC_BUFFER_SIZE; 132 buf->data = data->dbgc.buf_v_addr + i * BTINTEL_PCIE_DBGC_BUFFER_SIZE; 133 db_frag.bufs[i].buf_addr_lsb = (u32)(buf->data_p_addr & 0xffffffff); > 134 db_frag.bufs[i].buf_addr_msb = (u32)((buf->data_p_addr >> 32) & 0xffffffff); 135 db_frag.bufs[i].buf_size = BTINTEL_PCIE_DBGC_BUFFER_SIZE; 136 } 137 138 memcpy(data->dbgc.frag_v_addr, &db_frag, sizeof(db_frag)); 139 return 0; 140 } 141 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
