tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 81b6b96475ac7a4ebfceae9f16fb3758327adbfe commit: ec4ba01e894d3165e4d1ccbef782ef5593b708b4 mtd: rawnand: Add new Cadence NAND driver to MTD subsystem date: 8 weeks ago config: i386-randconfig-f002-20191129 (attached as .config) compiler: gcc-7 (Debian 7.5.0-1) 7.5.0 reproduce: git checkout ec4ba01e894d3165e4d1ccbef782ef5593b708b4 # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot All warnings (new ones prefixed by >>): drivers/mtd/nand/raw/cadence-nand-controller.c: In function 'cadence_nand_cdma_transfer': >> drivers/mtd/nand/raw/cadence-nand-controller.c:1283:12: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] (void *)dma_buf, (void *)dma_ctrl_dat, ^ drivers/mtd/nand/raw/cadence-nand-controller.c:1283:29: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] (void *)dma_buf, (void *)dma_ctrl_dat, ^ vim +1283 drivers/mtd/nand/raw/cadence-nand-controller.c 1246 1247 static int 1248 cadence_nand_cdma_transfer(struct cdns_nand_ctrl *cdns_ctrl, u8 chip_nr, 1249 int page, void *buf, void *ctrl_dat, u32 buf_size, 1250 u32 ctrl_dat_size, enum dma_data_direction dir, 1251 bool with_ecc) 1252 { 1253 dma_addr_t dma_buf, dma_ctrl_dat = 0; 1254 u8 thread_nr = chip_nr; 1255 int status; 1256 u16 ctype; 1257 1258 if (dir == DMA_FROM_DEVICE) 1259 ctype = CDMA_CT_RD; 1260 else 1261 ctype = CDMA_CT_WR; 1262 1263 cadence_nand_set_ecc_enable(cdns_ctrl, with_ecc); 1264 1265 dma_buf = dma_map_single(cdns_ctrl->dev, buf, buf_size, dir); 1266 if (dma_mapping_error(cdns_ctrl->dev, dma_buf)) { 1267 dev_err(cdns_ctrl->dev, "Failed to map DMA buffer\n"); 1268 return -EIO; 1269 } 1270 1271 if (ctrl_dat && ctrl_dat_size) { 1272 dma_ctrl_dat = dma_map_single(cdns_ctrl->dev, ctrl_dat, 1273 ctrl_dat_size, dir); 1274 if (dma_mapping_error(cdns_ctrl->dev, dma_ctrl_dat)) { 1275 dma_unmap_single(cdns_ctrl->dev, dma_buf, 1276 buf_size, dir); 1277 dev_err(cdns_ctrl->dev, "Failed to map DMA buffer\n"); 1278 return -EIO; 1279 } 1280 } 1281 1282 cadence_nand_cdma_desc_prepare(cdns_ctrl, chip_nr, page, > 1283 (void *)dma_buf, (void *)dma_ctrl_dat, 1284 ctype); 1285 1286 status = cadence_nand_cdma_send_and_wait(cdns_ctrl, thread_nr); 1287 1288 dma_unmap_single(cdns_ctrl->dev, dma_buf, 1289 buf_size, dir); 1290 1291 if (ctrl_dat && ctrl_dat_size) 1292 dma_unmap_single(cdns_ctrl->dev, dma_ctrl_dat, 1293 ctrl_dat_size, dir); 1294 if (status) 1295 return status; 1296 1297 return cadence_nand_cdma_finish(cdns_ctrl); 1298 } 1299 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation