Hi Veerasenareddy, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.17-rc6 next-20220228] [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/0day-ci/linux/commits/Veerasenareddy-Burru/Add-octeon_ep-driver/20220301-130525 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 719fce7539cd3e186598e2aed36325fe892150cf config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20220301/202203011646.KOYQZTf2-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 11.2.0 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/0day-ci/linux/commit/4f90d53a8dea4a3aa77ba5ba8d34d576b81bd773 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Veerasenareddy-Burru/Add-octeon_ep-driver/20220301-130525 git checkout 4f90d53a8dea4a3aa77ba5ba8d34d576b81bd773 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=alpha SHELL=/bin/bash drivers/net/ethernet/marvell/octeon_ep/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/net/ethernet/marvell/octeon_ep/octep_tx.c: In function 'octep_setup_iq': drivers/net/ethernet/marvell/octeon_ep/octep_tx.c:110:14: error: implicit declaration of function 'vzalloc'; did you mean 'kvzalloc'? [-Werror=implicit-function-declaration] 110 | iq = vzalloc(sizeof(*iq)); | ^~~~~~~ | kvzalloc >> drivers/net/ethernet/marvell/octeon_ep/octep_tx.c:110:12: warning: assignment to 'struct octep_iq *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 110 | iq = vzalloc(sizeof(*iq)); | ^ >> drivers/net/ethernet/marvell/octeon_ep/octep_tx.c:148:23: warning: assignment to 'struct octep_tx_buffer *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 148 | iq->buff_info = vzalloc(buff_info_size); | ^ drivers/net/ethernet/marvell/octeon_ep/octep_tx.c:178:9: error: implicit declaration of function 'vfree'; did you mean 'kvfree'? [-Werror=implicit-function-declaration] 178 | vfree(iq); | ^~~~~ | kvfree cc1: some warnings being treated as errors -- drivers/net/ethernet/marvell/octeon_ep/octep_rx.c: In function 'octep_setup_oq': drivers/net/ethernet/marvell/octeon_ep/octep_rx.c:83:14: error: implicit declaration of function 'vzalloc'; did you mean 'kvzalloc'? [-Werror=implicit-function-declaration] 83 | oq = vzalloc(sizeof(*oq)); | ^~~~~~~ | kvzalloc >> drivers/net/ethernet/marvell/octeon_ep/octep_rx.c:83:12: warning: assignment to 'struct octep_oq *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 83 | oq = vzalloc(sizeof(*oq)); | ^ >> drivers/net/ethernet/marvell/octeon_ep/octep_rx.c:116:25: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 116 | oq->buff_info = (struct octep_rx_buffer *) | ^ drivers/net/ethernet/marvell/octeon_ep/octep_rx.c:134:9: error: implicit declaration of function 'vfree'; did you mean 'kvfree'? [-Werror=implicit-function-declaration] 134 | vfree(oq->buff_info); | ^~~~~ | kvfree cc1: some warnings being treated as errors vim +110 drivers/net/ethernet/marvell/octeon_ep/octep_tx.c 95 96 /** 97 * octep_setup_iq() - Setup a Tx queue. 98 * 99 * @oct: Octeon device private data structure. 100 * @q_no: Tx queue number to be setup. 101 * 102 * Allocate resources for a Tx queue. 103 */ 104 static int octep_setup_iq(struct octep_device *oct, int q_no) 105 { 106 u32 desc_ring_size, buff_info_size, sglist_size; 107 struct octep_iq *iq; 108 int i; 109 > 110 iq = vzalloc(sizeof(*iq)); 111 if (!iq) 112 goto iq_alloc_err; 113 oct->iq[q_no] = iq; 114 115 iq->octep_dev = oct; 116 iq->netdev = oct->netdev; 117 iq->dev = &oct->pdev->dev; 118 iq->q_no = q_no; 119 iq->max_count = CFG_GET_IQ_NUM_DESC(oct->conf); 120 iq->ring_size_mask = iq->max_count - 1; 121 iq->fill_threshold = CFG_GET_IQ_DB_MIN(oct->conf); 122 iq->netdev_q = netdev_get_tx_queue(iq->netdev, q_no); 123 124 /* Allocate memory for hardware queue descriptors */ 125 desc_ring_size = OCTEP_IQ_DESC_SIZE * CFG_GET_IQ_NUM_DESC(oct->conf); 126 iq->desc_ring = dma_alloc_coherent(iq->dev, desc_ring_size, 127 &iq->desc_ring_dma, GFP_KERNEL); 128 if (unlikely(!iq->desc_ring)) { 129 dev_err(iq->dev, 130 "Failed to allocate DMA memory for IQ-%d\n", q_no); 131 goto desc_dma_alloc_err; 132 } 133 134 /* Allocate memory for hardware SGLIST descriptors */ 135 sglist_size = OCTEP_SGLIST_SIZE_PER_PKT * 136 CFG_GET_IQ_NUM_DESC(oct->conf); 137 iq->sglist = dma_alloc_coherent(iq->dev, sglist_size, 138 &iq->sglist_dma, GFP_KERNEL); 139 if (unlikely(!iq->sglist)) { 140 dev_err(iq->dev, 141 "Failed to allocate DMA memory for IQ-%d SGLIST\n", 142 q_no); 143 goto sglist_alloc_err; 144 } 145 146 /* allocate memory to manage Tx packets pending completion */ 147 buff_info_size = OCTEP_IQ_TXBUFF_INFO_SIZE * iq->max_count; > 148 iq->buff_info = vzalloc(buff_info_size); 149 if (!iq->buff_info) { 150 dev_err(iq->dev, 151 "Failed to allocate buff info for IQ-%d\n", q_no); 152 goto buff_info_err; 153 } 154 155 /* Setup sglist addresses in tx_buffer entries */ 156 for (i = 0; i < CFG_GET_IQ_NUM_DESC(oct->conf); i++) { 157 struct octep_tx_buffer *tx_buffer; 158 159 tx_buffer = &iq->buff_info[i]; 160 tx_buffer->sglist = 161 &iq->sglist[i * OCTEP_SGLIST_ENTRIES_PER_PKT]; 162 tx_buffer->sglist_dma = 163 iq->sglist_dma + (i * OCTEP_SGLIST_SIZE_PER_PKT); 164 } 165 166 octep_iq_reset_indices(iq); 167 oct->hw_ops.setup_iq_regs(oct, q_no); 168 169 oct->num_iqs++; 170 return 0; 171 172 buff_info_err: 173 dma_free_coherent(iq->dev, sglist_size, iq->sglist, iq->sglist_dma); 174 sglist_alloc_err: 175 dma_free_coherent(iq->dev, desc_ring_size, 176 iq->desc_ring, iq->desc_ring_dma); 177 desc_dma_alloc_err: 178 vfree(iq); 179 oct->iq[q_no] = NULL; 180 iq_alloc_err: 181 return -1; 182 } 183 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx