Hi Punnaiah, [auto build test ERROR on mtd/master] [also build test ERROR on v4.9-rc8 next-20161205] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Punnaiah-Choudary-Kalluri/mtd-arasan-Add-device-tree-binding-documentation/20161205-162929 base: git://git.infradead.org/linux-mtd.git master config: x86_64-allmodconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/mtd/nand/arasan_nand.c: In function 'anfc_read_buf': >> drivers/mtd/nand/arasan_nand.c:348:3: error: implicit declaration of function 'readsl' [-Werror=implicit-function-declaration] readsl(nfc->base + DATA_PORT_OFST, bufptr, pktsize/4); ^~~~~~ drivers/mtd/nand/arasan_nand.c: In function 'anfc_write_buf': >> drivers/mtd/nand/arasan_nand.c:402:3: error: implicit declaration of function 'writesl' [-Werror=implicit-function-declaration] writesl(nfc->base + DATA_PORT_OFST, bufptr, pktsize/4); ^~~~~~~ cc1: some warnings being treated as errors vim +/readsl +348 drivers/mtd/nand/arasan_nand.c 342 anfc_wait_for_event(nfc); 343 buf_rd_cnt++; 344 345 if (buf_rd_cnt == pktcount) 346 anfc_enable_intrs(nfc, XFER_COMPLETE); 347 > 348 readsl(nfc->base + DATA_PORT_OFST, bufptr, pktsize/4); 349 bufptr += (pktsize / 4); 350 351 if (buf_rd_cnt < pktcount) 352 anfc_enable_intrs(nfc, (READ_READY | eccintr)); 353 } 354 355 anfc_wait_for_event(nfc); 356 } 357 358 static void anfc_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) 359 { 360 u32 pktcount, pktsize; 361 unsigned int buf_wr_cnt = 0; 362 u32 *bufptr = (u32 *)buf; 363 struct nand_chip *chip = mtd_to_nand(mtd); 364 struct anfc_nand_chip *achip = to_anfc_nand(chip); 365 struct anfc *nfc = to_anfc(chip->controller); 366 dma_addr_t paddr; 367 368 if (nfc->iswriteoob) { 369 pktsize = len; 370 pktcount = 1; 371 } else { 372 pktsize = achip->pktsize; 373 pktcount = mtd->writesize / pktsize; 374 } 375 376 anfc_setpktszcnt(nfc, pktsize, pktcount); 377 378 if (nfc->dma) { 379 paddr = dma_map_single(nfc->dev, (void *)buf, len, 380 DMA_TO_DEVICE); 381 if (dma_mapping_error(nfc->dev, paddr)) { 382 dev_err(nfc->dev, "Write buffer mapping error"); 383 return; 384 } 385 lo_hi_writeq(paddr, nfc->base + DMA_ADDR0_OFST); 386 anfc_enable_intrs(nfc, XFER_COMPLETE); 387 writel(PROG_PGPROG, nfc->base + PROG_OFST); 388 anfc_wait_for_event(nfc); 389 dma_unmap_single(nfc->dev, paddr, len, DMA_TO_DEVICE); 390 return; 391 } 392 393 anfc_enable_intrs(nfc, WRITE_READY); 394 writel(PROG_PGPROG, nfc->base + PROG_OFST); 395 396 while (buf_wr_cnt < pktcount) { 397 anfc_wait_for_event(nfc); 398 buf_wr_cnt++; 399 if (buf_wr_cnt == pktcount) 400 anfc_enable_intrs(nfc, XFER_COMPLETE); 401 > 402 writesl(nfc->base + DATA_PORT_OFST, bufptr, pktsize/4); 403 bufptr += (pktsize / 4); 404 405 if (buf_wr_cnt < pktcount) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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